A biomedical manufacturing process has only 12.5% chance of producing a commercially successful result. The mean number of processes to be performed before a commercially successful one is?

Answers

Answer 1

The mean number of processes to be performed before a commercially successful one is 8.

The probability of success in each attempt is 0.125, so the parameter of the geometric distribution is p=0.125.

The mean of a geometric distribution with parameter p is equal to 1/p, so:

Mean = 1/p = 1/0.125 = 8

Therefore, the mean number of processes to be performed before a commercially successful one is 8.

In probability and statistics, the mean (or average) is a measure of the central tendency of a set of numbers. It is calculated by adding up all the numbers in a set and then dividing the sum by the total number of values in the set. The mean is a commonly used measure of the central tendency because it takes into account all the values in the set and provides a single value that represents the "typical" value.

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Related Questions

If the dealership you are buying the car from is offering 6.3% interest on a 5 year loan, what will your monthly payment be? How am I able to solve this when the selling price is $56,937.

Answers

Answer:

Step-by-step explanation:

To calculate the monthly payment on a loan, you can use the formula for the monthly payment on an annuity: P = (r * PV) / (1 - (1 + r)^(-n)), where P is the monthly payment, r is the monthly interest rate, PV is the present value of the loan (i.e., the amount borrowed), and n is the total number of monthly payments.

In this case, the amount borrowed is $56,937 and the interest rate is 6.3% per year. To convert this to a monthly interest rate, we divide by 12: r = 0.063 / 12 = 0.00525. The loan term is 5 years, so the total number of monthly payments is n = 5 * 12 = 60.

Substituting these values into our formula for the monthly payment, we get: P = (0.00525 * 56937) / (1 - (1 + 0.00525)^(-60)) ≈ $1102.53. So, the monthly payment on this loan would be approximately $1102.53.

An equilateral triangle is shown inside a square inside a regular pentagon inside a regular hexagon. Write an expression for the exact area of each shaded region in the figure. Then find the approximate area of the entire shaded region, rounded to the nearest whole unit.

Answers

An expression for the exact area of each shaded region in the figure include the following:

Shaded area = area of the regular hexagon - area of the regular pentagon  + area of the square - area of the equilateral triangle.

How to calculate the area of a regular polygon?

In Mathematics and Geometry, the area of a regular polygon can be calculated by using the following formula:

Area of a regular polygon = (n × s × a)/2

Where:

n is the number of sides.s is the side length.a is the apothem.

Based on the diagram (see attachment), the area of the first shaded region is given by;

Area of first shaded region = Area regular hexagon - Area regular pentagon

For the area of the second shaded region, we have;

Area of second shaded region = Area of a square - Area of the equilateral triangle

Therefore, the total area of all of the shaded regions is given by;

Total shaded area = {area of the regular hexagon - area of the regular pentagon} + area of the square - {area of the equilateral triangle}.

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if 3x+2y=36 and (5y)/(3x)=5, what is the value of x+y?

Answers

Answer:

16

Step-by-step explanation:

5y/3x = 5

3x = 5y/5

3x = y

3x + 2y = 36

y + 2y = 36

3y = 36

y = 36/3

y = 12

3x = y

3x = 12

x = 12/3

x = 4

x + y

= 4 + 12

= 16

x + y = 16

Line g has an equation of y = 2x + 1. Line h includes the point (-5, 2) and is perpendicular
to line g. What is the equation of line h?
Write the equation in slope-intercept form. Write the numbers in the equation as simplified
proper fractions, improper fractions, or integers.
Submit

Answers

The equation of line h is: y = (-1/2)x - 1/2

Slope-intercept form is y=mx+b, where m is the slope and b is the y-intercept. Line g’s equation is already in the correct form. If line g has a slope m=ab, then line h perpendicular to it will have a slope m⊥=−ba.

2/1 = 2, so the reciprocal is 1/2. It will also be negative to become: y= (-1/2)x + b.
We want to find the y-intercept, b.

Plug in the coordinate that line h passes through (-5,2) for the (x,y) values in the equation.
2 = (-1/2)(-5) + b
2 = 5/2 + b
Subtract 5/2 from both sides:
Note that 2 is equal to 4/2, which makes it easier to deal with.
(4/2) - (5/2) = b

Simplify:
-1/2 = b.

Put all values into line h’s equation, and y = (-1/2)x - 1/2.

A rainwater collection system uses a cylindrical storage tank with a diameter of 50 cm and a height of 80 cm what is the total volume of water in cubic centimeters that can be collected

Answers

Answer:

157,000

Step-by-step explanation:

π r² h

Find the side lengths of each triangle.

Answers

Answer:

9) 36     36  and   36 (all three sides equal)

10) 3.1    3.1  and  3.3  (two sides equal)

Step-by-step explanation:

#9

This is an equilateral triangle so all three sides are equal
Expressions for two of the sides are 6y and 4y + 12

Set these expressions equal to each other and solve for y:
6y = 4y + 12
6y - 4y = 12
2y = 12
y =6

So the side with expression 6y becomes 6 · 6 = 36

Since it is an equilateral triangle, each of the three sides is 36

#10
This is an isosceles triangle with side 2x + 1.7 = x + 2.4

Solve for x:
2x + 1.7 = x + 2.4

2x - x = 2.4 - 1.7
x = 0.7

So the side with x + 2.4 = 0.7 + 2.4 = 3.1 same as the side with 2x + 1.7

The third side with 4x + 0.5 = 4(0.7) + 0.5 = 2.8 + 0.5 = 3.3

So the sides of this triangle are 3.1, 3.1 and 3.3

Factor by grouping. Then supply the term that is missing below. 4mn+3m+8n+6=(m+2)(?+3)

Answers

Answer:

4mn + 3m + 8n + 6 = (m + 2)(4n + 3)

The missing term is 4n.

A college student takes the same number of credits each semester. They had 19 credits when they started, and after 6 semesters, they had 67 credits. Which of these expresses the rate at which they is earning credits?

Answers

As per the given variables, the rate at which they earn credits is 8 credits per semester

Total number of credits = 19

Total number of semesters = 6

Credits after six semesters = 67

Calculating the change in credits -

Change in credits -

Credits after six semesters - Inital credits

= 67  - 19

= 48 credits

Total time = 6 semesters

Calculating the change in credits over the six semesters and dividing by the total time to get the pace at which the college student is acquiring credits.

Therefore, the rate at which the college student is earning credits is:

Rate = Change in credits / Total time

= 48 credits / 6 semesters

= 8 credits per semester

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Evaluate the following expression.
If x=12,y=8, and z=6.
X2y-2z over 4

Answers

The value of the expression "(x²y - 2z)/4", when x = 12 , y = 8 and z = 6, is (c) 285.

An "Expression" is defined as a combination of numbers, variables, and mathematical operations such as addition, subtraction, multiplication, division, and exponentiation, which are written using mathematical symbols and follow certain rules.

We have to evaluate the expression : (x²y - 2z)/4, if x = 12 , y = 8 and z = 6,

To evaluate , we substitute x = 12 , y = 8 and z = 6, in the expression,

So, We have,

⇒ (12² × 8 - 2×6)/4,

⇒ (144 × 8 - 12)/4,

⇒ (144 × 8 - 12)/4,

⇒ (1152 - 12)/4,

⇒ 1140/4,

⇒ 285,

Therefore, the value of the given expression, when x=12, y=8, and z=6, is 285, the correct option is (c).

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A bug crawls 5 1/2 feet in 28.6 seconds. At that pace, how many seconds does it take the bug to crawl one foot?

Answers

Answer:

5.2 seconds

Step-by-step explanation:

To get one foot, we need to divide by 5.5

Set up a proportion:

[tex]\frac{5.5}{5.5}=\frac{28.6}{5.5}[/tex]

Solve:

[tex]1ft.=5.2secs.[/tex]

PLSSS HELP ITS DUE TOMMROW I WILL GIVE U MORE POINTS WHEN I GET MORE PLSSS

Answers

Answer:

[tex]A_{\text{red}} = 1766.25 \text{ in}^2[/tex]

Step-by-step explanation:

We can see that there are four bands total on the target, two of which are red bands. With this information, we can solve for the radius of the circle within each band, since we know that each band is the same width:

[tex]r_1 = \dfrac{1}{4} \cdot 30 = 7.5\\[/tex]

[tex]r_2 = \dfrac{2}{4} \cdot 30 = 15\\[/tex]

[tex]r_3 = \dfrac{3}{4} \cdot 30 = 22.5\\[/tex]

[tex]r_4 = 30[/tex]

We can now find the area of each red band by subtracting:

the area of the circle within the white band just inward of the red band

-- from --

the area of the circle within the red band.

Finding the area of the outer red band:

[tex]A_{\text{outer red}} = A(\text{circle within outer red}) - A(\text{circle within outer white})[/tex]

[tex]A_{\text{outer red}} = A(\odot \text{ with radius }r_4) - A(\odot \text{ with radius } r_3)[/tex]

↓ substituting the radius values into the circle area formula ([tex]\pi r^2[/tex])

[tex]A_{\text{outer red}} = (\pi \cdot 30^2) - (\pi \cdot 22.5^2)[/tex]

↓ using 3.14 for [tex]\pi[/tex]

[tex]A_{\text{outer red}} = (3.14 \cdot 30^2) - (3.14 \cdot 22.5^2)[/tex]

↓ evaluating the right side

[tex]A_{\text{outer red}} = 2826 - 1589.625[/tex]

[tex]A_{\text{outer red}} = 1236.375 \text{ in}^2[/tex]

Finding the area of the inner red band:

[tex]A_{\text{inner red}} = A(\text{circle within inner red}) - A(\text{circle within inner white})[/tex]

[tex]A_{\text{inner red}} = A(\odot \text{ with radius }r_2) - A(\odot \text{ with radius } r_1)[/tex]

↓ substituting the radius values into the circle area formula ([tex]\pi r^2[/tex])

[tex]A_{\text{inner red}} = (\pi \cdot 15^2) - (\pi \cdot 7.5^2)[/tex]

↓ using 3.14 for π

[tex]A_{\text{inner red}} = (3.14 \cdot 15^2) - (3.14 \cdot 7.5^2)[/tex]

↓ evaluating the right side

[tex]A_{\text{inner red}} = 706.5 - 176.625[/tex]

[tex]A_{\text{inner red}} = 529.875 \text{ in}^2[/tex]

Finally, we can find the area of all of the red on the target by adding the area of the outer and inner red bands.

[tex]A_{\text{red}} = A_{\text{outer red}} + A_{\text{inner red}}[/tex]

[tex]A_{\text{red}} = 1236.375 \text{ in}^2 + 529.875 \text{ in}^2[/tex]

[tex]\boxed{A_{\text{red}} = 1766.25 \text{ in}^2}[/tex]

Find the equation of the line that passes through the point (3,−5) and is perpendicular to the line y=1/5x-2

Answers

To prove that the line y = -5x + 10 passes through the point (3,-5) and is perpendicular to the line y = 1/5x - 2, we need to show two things:

1. The point (3,-5) lies on the line y = -5x + 10.
2. The slope of the line y = -5x + 10 is -5, which is the negative reciprocal of the slope of the line y = 1/5x - 2.

1. To show that the point (3,-5) lies on the line y = -5x + 10, we can substitute x = 3 and y = -5 into the equation y = -5x + 10:

-5 = -5(3) + 10

-5 = -15 + 10

-5 = -5

Since the equation is true, the point (3,-5) lies on the line y = -5x + 10.

2. To show that the slope of the line y = -5x + 10 is -5, we can rewrite the equation in slope-intercept form, y = mx + b, where m is the slope and b is the y-intercept:

y = -5x + 10

Comparing this to the general form of the slope-intercept equation, we see that the slope is -5. Therefore, the slope of the line y = -5x + 10 is -5.

Since we have shown that the point (3,-5) lies on the line y = -5x + 10 and the slope of the line is -5, which is the negative reciprocal of the slope of the line y = 1/5x - 2, we have proven that the line y = -5x + 10 passes through the point (3,-5) and is perpendicular to the line y = 1/5x - 2.

‼️‼️‼️‼️WILL MARK BRAINLIEST‼️‼️‼️‼️

Answers

Answer:

S = 2π(14^2) + 2π(14)(154)

= 2π(196) + 2π(2,156)

= 4,704π = 14,778.1 ft^2

Using 3.14 for π:

S = 4,704(3.14) = 14,770.6 ft^2

the line is parellel to graph of 2x-3y=7 and contains the point (-3,-3)

Answers

The equation of the line parallel to the graph of 2x - 3y = 7 and containing the point (-3,-3) is y = (2/3)x - 1.

What is the equation of the parallel line?

The formula for equation of line is expressed as;

y = mx + b

Where m is slope and b is y-intercept.

Given the equation of the graph: 2x - 3y = 7.

First, we need to rearrange the given equation into slope-intercept form (y = mx + b) by solving for y:

2x - 3y = 7

-3y = -2x + 7

y = (2/3)x - 7/3

The slope of the given line is 2/3.

Hence, any line parallel to it will also have a slope of 2/3.

Using the point-slope form, we determine the equation of the line that passes through (-3,-3) and has a slope of 2/3:

y - y1 = m(x - x1)

y - (-3) = (2/3)(x - (-3))

y + 3 = (2/3)x + 2

y = (2/3)x - 1

Therefore, the equation of the line is y = (2/3)x - 1.

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Math is hard!!
Point A is shown on the number line below.

What is the location of point A?

Answers

The answer is C. -1.6

The lines are separating the segment into 20ths. Look at the picture below.
Hope this helps

For two programs at a university, the type of student for two majors is as follows. find the probability a student is a graduate student, given they are a history major.

Answers

The probability that a student is a graduate student given they are a history major is approximately 0.16.

What is probability?

The likelihood or chance that an event will occur is quantified by probability. A number between 0 and 1, where 0 denotes that the occurrence is impossible and 1, denotes that the event is certain, is generally used to express it.

According to question:

We are given the following information:

Total number of students who are history major: 463

Total number of graduate students: 261

Number of graduate students who are history major: 73

We can use the formula for conditional probability to find the probability that a student is a graduate student given that they are a history major:

P(graduate | history) = P(graduate and history)/P(history)

P(graduate | history) = 73/463

P(graduate | history) ≈ 0.1575 (rounded to the nearest hundredth)

Therefore, the probability that a student is a graduate student given they are a history major is approximately 0.16.

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A card is drawn from a deck of 52 cards. What is the probability that it is a 3 or a spade?

Answers

Answer:

P = 4/13 = 0.308

Step-by-step explanation:

3 cards 3

13 spade cards (includes the card 3 of spades)

[tex]P=(3+13)/52= 16/52 = 4/13=0.308[/tex]

Hope this helps.

14. The distance between (x, 2) and (0, 6) is 5 units. Use the Distance Formula to determine
the value of x. Show all your work.

Answers

Answer:

The value of x is 3.

Step-by-step explanation:

The Distance Formula is:

d = √[(x2 - x1)² + (y2 - y1)²]

Using the given points, we have:

d = √[(0 - x)² + (6 - 2)²]

Simplifying inside the square root gives:

d = √[x² + 16]

We know that the distance between (x, 2) and (0, 6) is 5 units, so we can set up the equation:

5 = √[x² + 16]

Squaring both sides gives:

25 = x² + 16

Subtracting 16 from both sides gives:

9 = x²

Taking the square root of both sides gives:

x = ±3

Since we are looking for the value of x, we choose the positive solution:

x = 3

Therefore, the value of x is 3.

The volume of the following square pyramid is
48^3. What is the length of 'l'? Round your answer to the nearest hundredth.

Answers

The length of 'l' is approximately equal to 331.13 units

Volume refers to the amount of space occupied by a three-dimensional object. In other words, it is the measure of how much space an object takes up.

The formula to calculate the volume of a square pyramid is:

Volume = (1/3) x Base Area x Height

where the base area is the area of the square base, and the height is the perpendicular distance from the apex to the base.

Let's substitute the given values in the formula and solve for the height:

48³ = (1/3) x l² x h

Multiplying both sides by 3, we get:

3 x 48³ = l² x h

Dividing both sides by l², we get:

h = (3 x 48³) / l²

Now, we can substitute the value of h in the original formula to get:

48³ = (1/3) x l² x [(3 x 48³) / l²]

Simplifying this equation, we get:

48³ = 48³

This equation is true, which means our solution is correct. Therefore, the length of 'l' is equal to the square root of (3 x 48³), which is approximately equal to 331.13 units (rounded to the nearest hundredth).

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On a scale drawing of a soccer field, 0.5 cm equals 8 m.
If the drawing has dimensions 6.5 cm X 3.25 cm, what is the actual length of the soccer field, in meters?

Answers

Answer:

[tex]\sf Length\, of\,the\,field=\boxed{\sf 104(m)}}.[/tex]

Step-by-step explanation:

1. Create a conversion factor.

A conversion factor is just a fraction that contains an equivalence. We make the numerator be the unit we want to have as a result and the denominator is the current unit that we have.

The problem states that 0.5 cm equals 8 m, and we want to convert from cm to m, therefore, a conversion factor for this problem is:

[tex]\sf \dfrac{8(m)}{0.5(cm)}[/tex]

2. Use the conversion factor to convert each unit,

To use the conversion factor, just multiply each measure by the fraction:

[tex]\sf 6.5(cm) \dfrac{8(m)}{0.5(cm)}[/tex]

Here the centimeters (cm) cancel out each other and the ending answer is expressed in meters:

[tex]\sf 6.5(cm) \dfrac{8(m)}{0.5(cm)}=\boxed{\sf 104(m)}.[/tex]

For the other measure:

[tex]\sf 3.25(cm) \dfrac{8(m)}{0.5(cm)}=\boxed{\sf 52(m)}.[/tex]

So a soccer field, as you may already know, is always longer than it is wide, therefore, the greatest measure (104m) should be the length of the field.

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Casey is going to wear a gray sportscoat and is trying to decide what tie he should wear to work. In his​ closet, he has 29 ​ties, 15 of which he feels go well with the sport coat. If Casey selects one tie at​ random, determine the probability and the odds of the tie going well or not going well with the sport coat.

Answers

The probability of Casey selecting a tie that goes well with the sport coat is 0.517.

The probability of Casey selecting a tie that does not go well with the sport coat is 0.483

What are the probability and the odds of the tie going well or not going well with the sport coat?

The probability of Casey selecting a tie that goes well with the sport coat is:

P(goes well) = 15/29

P(goes well) ≈ 0.517

The probability of Casey selecting a tie that does not go well with the sport coat is:

P(does not go well) = 1 - P(goes well)

P(does not go well) = 1 - 15/29 = 14/29

P(does not go well) ≈ 0.483

The odds in favor of the tie going well with the sport coat are:

P(goes well) : P(does not go well) = 15/29 : 14/29

P(goes well) : P(does not go well) = 15:14

The odds against the tie going well with the sport coat are:

P(does not go well) : P(goes well) = 14/29 : 15/29

P(does not go well) : P(goes well) = 14:15

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The scatter plot shows the amount of money, y, Sally was paid in each of her jobs versus the number of hours x she worked in each job.

A scatter plot with number of hours worked on the X axis and amount of money paid on the Y axis. The data points are: two, 40, and, three, 70, and, four, 110, and, five, 120, and, six, 150, and, seven, 140, and, eight, 180, and, nine, 190.

Part A

Which equation best models a line of fit for the data?
A. y = 24x + 10
B. y = 21x + 11
C. y = −18x + 15
D. y = 20x
Part B

The slope of the line of fit means that for every additional hour that Sally works, she earns an additional
dollars, on average.

Answers

Using the given data, the equation that best models a line of fit for the data is y = 20x. The slope of the line of fit indicates that for each additional hour that Sally works, she earns an additional $20, on average. So, the correct option is D).

For finding the equation of the line of best fit and the slope

Firstly, Find the mean of x and y.

Mean of x = (2 + 3 + 4 + 5 + 6 + 7 + 8 + 9) / 8 = 5.5

Mean of y = (40 + 70 + 110 + 120 + 150 + 140 + 180 + 190) / 8 = 127.5

Calculate the deviations from the mean for x and y.

Deviation from mean of x = x - mean of x

= [2 - 5.5, 3 - 5.5, 4 - 5.5, 5 - 5.5, 6 - 5.5, 7 - 5.5, 8 - 5.5, 9 - 5.5]

= [-3.5, -2.5, -1.5, -0.5, 0.5, 1.5, 2.5, 3.5]

Deviation from mean of y = y - mean of y

= [40 - 127.5, 70 - 127.5, 110 - 127.5, 120 - 127.5, 150 - 127.5, 140 - 127.5, 180 - 127.5, 190 - 127.5]

= [-87.5, -57.5, -17.5, -7.5, 22.5, 12.5, 52.5, 62.5]

Calculate the product of the deviations for each data point.

Product of deviations = deviation from mean of x * deviation from mean of y

[(2-5.5) * (40-127.5)] + [(3-5.5) * (70-127.5)] + [(4-5.5) * (110-127.5)] + [(5-5.5) * (120-127.5)] + [(6-5.5) * (150-127.5)] + [(7-5.5) * (140-127.5)] + [(8-5.5) * (180-127.5)] + [(9-5.5) * (190-127.5)]

= [-135.625, -51.875, 32.625, 28.125, 17.8125, 26.25, 137.8125, 229.0625]

Calculate the sum of the deviations of x squared.

Sum of deviations of x squared = (deviation from mean of x)²

= (-3.5)² + (-2.5)² + (-1.5)² + (-0.5)² + 0.5² + 1.5² + 2.5² + 3.5²

= 70

Calculate the slope of the line of best fit.

slope = sum of products of deviations / sum of deviations of x squared

= (−135.625 + (−51.875) + 32.625 + 28.125 + 17.8125 + 26.25 + 137.8125 + 229.0625) / 70

= 20

Calculate the y-intercept of the line of best fit.

y-intercept = mean of y - slope * mean of x

= 127.5 - 20 * 5.5

= 10

The equation of the line of best fit in slope-intercept form.

y = slope * x + y-intercept

= 20x + 10

Therefore, the equation that best models a line of fit for the data is D) y = 20x, and the slope is 20. So, the correct answer is D).

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Solve x²-3x+ 5 = 0.
A.
3+√-29
+VE
2
and
3-
2
-29
B. 3+√29 and 3-√29
O c. 3+√-11 and 3-√-11
2
2
D. 3+√11 and 3-√11

Answers

Using the quadratic formula to solve the equation x²-3x+ 5 = 0, the resultant answer is (D) 3+√11/2 and 3-√11/2.

What is the quadratic formula?

The quadratic formula in elementary algebra is a formula that yields the answer to a quadratic problem.

In addition to the quadratic formula, other methods of solving quadratic equations include factoring, completing the square, graphing, and others.

A second-order equation of the form ax² + bx + c = 0 denotes a quadratic equation, where a, b, and c are real number coefficients and a 0.

So, we have the equation:

x²-3x+ 5 = 0

Now, solve it using the quadratic formula as follows:

x²-3x+ 5 = 0

a = 1

b = -3

c = 5

x = -(-3)±√(-3)² -4*1*5/2

Solve this further:

x = 3±√11/2

Therefore, using the quadratic formula to solve the equation x²-3x+ 5 = 0, the resultant answer is (D) 3+√11/2 and 3-√11/2.

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Correct question:

Solve x²-3x+ 5 = 0.

A.3+√-29 +VE/2 and 3- 2-29

B. 3+√29 and 3-√29

C. 3+√-11 and 3-√-11/2

D. 3+√11/2 and 3-√11/2

Write the standard form of the following polynomial.
(2x-3)²-3(x-2)(x+4)-7

X² ? X+ ?

Answers

To write the standard form of the polynomial (2x-3)²-3(x-2)(x+4)-7, we need to simplify and expand the expression.

(2x-3)²-3(x-2)(x+4)-7
= (2x-3)(2x-3) - 3(x²+2x-8) - 7
= 4x² - 12x + 9 - 3x² - 6x + 24 - 7
= x² - 18x + 26

Therefore, the standard form of the polynomial is x² - 18x + 26.

Assertion: 7V5, V2+21 are the irrational number Reason: every integer is a rational number​

Answers

Assertion: Yes, √2 is an irrational number.

Reason: The decimal expansion of √2 is 1.41421356237 which is a non-recurring and non-terminating number.

How to solve

Both (A) and (R) are true and Reason (R) is the correct explanation of Assertion (A).

Assertion: Yes, √2 is an irrational number.

Reason: The decimal expansion of √2 is 1.41421356237 which is a non-recurring and non-terminating number.

All real numbers that are not rational numbers are referred to as irrational numbers in mathematics. In other words, it is impossible to describe an irrational number as the ratio of two integers.

Read more about irrational numbers here:

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The Complete Question

Assertion (A): V2 is an irrational number. Reason (R) : Decimal expansion of an irrational number is non-recurring and non terminating???? a) Both (A) and (R) are true and Reason (R) is the correct explanation of Assertion (A) b) Both (A) and ( R) are true but Reason (R) is not a correct explanation of (A) c) Assertion (A) is true and Reason (R) is false d) Assertion (A) is false and Reason (R) is true​

The ratio of two numbers is 7 to 3 and the sum of their squares is 232. Find the numbers.

Answers

Let the two numbers be 7x and 3x.

We know that (7x)^2 + (3x)^2 = 232.

Expanding this equation, we get 58x^2 = 232.

Dividing both sides by 58, we get x^2 = 4.

Therefore, x = +/- 2.

Plugging this value of x into the expression for the two numbers, we get that the numbers are 14 and 6, or -14 and -6.
Let's call the two numbers in this problem "x" and "y". We know that the ratio of x to y is 7 to 3, so we can write:

x/y = 7/3

We can use this information to solve for one of the variables in terms of the other. For example, we can solve for y in terms of x:

y = (3/7) x

Now we know that one of the numbers is equal to (3/7) times the other. We also know that the sum of their squares is 232, so we can write:

x^2 + y^2 = 232

Substituting y = (3/7) x, we get:

x^2 + (3/7)^2 x^2 = 232

Simplifying, we get:

(1 + (3/7)^2) x^2 = 232

(1 + 9/49) x^2 = 232

(58/49) x^2 = 232

x^2 = (232 * 49) / 58

x^2 = 196

Taking the square root of both sides, we get:

x = 14

Now we can use the equation y = (3/7) x to find y:

y = (3/7) * 14 = 6

Therefore, the two numbers are 14 and 6.

2raised to power m-3 = 1​

Answers

Answer:

m = 3

Step-by-step explanation:

Given:

[tex]2^{m-3}[/tex] = 1

Take the logarithm of both sides (logarithm of 1 is 0):

m - 3 = 0

Add 3 to both sides:

m - 3 + 3 = 0 + 3

m = 3

Hence, m = 3.

Logarithm is the power to which a number must be raised in order to get some other number. For example:

The base ten logarithm of 100 is 2, because ten raised to the power of two is 100: log 100 = 2. Meaning [tex]10^{2}[/tex] = 100.

In IXL I need help im bad :(

Answers

Answer:

Wilma will pay $23.44 total.

Step-by-step explanation:

Cost of sweater = (+) $24.49

Discount = (-) $5

Shipping cost = (+) $3.95

Solve:

24.49 - 5 = 19.49

19.49 + 3.95 = 23.44

Wilma will pay $23.44 total.

what is the value for 43.7 x 0.25

Answers

Answer:

43.7 x 0.25 is 10.925

Step-by-step explanation:

To multiply decimals, we can use the following steps:

1. Multiply the numbers as if they were whole numbers, ignoring the decimal points.

2. Count the total number of decimal places in the factors being multiplied. This will be the number of decimal places in the product.

3. Place the decimal point in the product so that it has the same number of decimal places as the total counted in step 2.

Using these steps, we can find the product of 43.7 and 0.25 as follows:

1. 437 x 25 = 10925

2. There are two decimal places in 43.7 and two decimal places in 0.25, so there are a total of four decimal places in the factors being multiplied.

3. Place the decimal point in the product so that it has four decimal places: 10.925

Therefore, the value of 43.7 x 0.25 is 10.925.

0.25 * 43.7
= 437/40
= 10(whole number)37/40
= 10.925
Spelled result in words is four hundred thirty-seven fortieths (or ten and thirty-seven fortieths).

How do we solve fractions step by step?

1.) Conversion a decimal number to a fraction: 0.25 = 25/100 = 1/4


a) Write down the decimal 0.25 divided by 1: 0.25 = 0.25/1

b) Multiply both top and bottom by 10 for every number after the decimal point. (For example, if there are two numbers after the decimal point, then use 100, if there are three then use 1000, etc.)
0.25/1
= 2.5/10
= 25/100

Note: 25/100 is called a decimal fraction.

c) Simplify and reduce the fraction
25/100
= 1 * 25/4 * 25
= 1 * 25/4 * 25
= 1/4

2.) Conversion a decimal number to a fraction: 43.7 = 437/10 = 437/10


a) Write down the decimal 43.7 divided by 1: 43.7 = 43.7/1

b) Multiply both top and bottom by 10 for every number after the decimal point. (For example, if there are two numbers after the decimal point, then use 100, if there are three then use 1000, etc.)
43.7/1. = 437/10

Note: 437/10 is called a decimal fraction.

c) Simplify and reduce the fraction
437/10 = 437 * 1/10 * 1= 437 * 1/10 * 1


3.)Multiple: 0.25 * 43.7 = 1 · 437/4 · 10
= 437/40

Multiply both numerators and denominators. Result fraction keep to lowest possible denominator GCD(437, 40) = 1. In the following intermediate step, it cannot further simplify the fraction result by canceling.
In other words - one quarter multiplied by four hundred thirty-seven tenths is four hundred thirty-seven fortieths.

PLEASE HELP SOLVE 30 PTS

Answers

(1.767,0) are the zero points

Answer:

The polynomial has a unique zero in the interval [1,2] by using intermediate value theorem

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