Hey I kinda need some help with this could u help?

Hey I Kinda Need Some Help With This Could U Help?

Answers

Answer 1

Answer:

[tex]x = 13 ~~ \text{and}~~ y= 10[/tex]

Step-by-step explanation:

[tex]~~~~~~2.31 \times 10^x = 2200 \times 1.05 \times 10^y\\\\\implies 2.31 \times 10^x = 2310 \times 10^y\\\\\implies \dfrac{10^x}{10^y} = \dfrac{2310}{2.31}\\\\\implies 10^{x-y}=1000\\\\\implies 10^{x-y} = 10^3\\\\\implies x - y = 3[/tex]

[tex]\text{If x = 13 and y = 10 then the difference will be 3.}[/tex]


Related Questions

Without buying points, a monthly mortgage payment will be $958. buying 1 point at closing would reduce the payment to $948.75. if each point costs $1000.00, rounded to the nearest year, how long would it take to break even by buying 1 point? a. 7 years b. 8 years c. 9 years d. 10 years please select the best answer from the choices provided a b c d

Answers

If  each point costs $1000.00. how long would it take to break even by buying is:9 years.

Time

First step

Monthly savings=$958-$948.75

Monthly savings=$9.25

Second step

Time=(Cost of points/Mothly savings)/ 12 months

Time=($1,000/$9.25)/12 months

Time=108/12 months

Time=9 years

Therefore how long would it take to break even by buying is:9 years.

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City Hall is 4 meters shorter than the bank. The bank is 13 meters tall. The hospital is 11 meters tall. How tall is City Hall?

Answers

Answer:

The answer is 9

Because the 4 meters short than bank and ban is 13 meters

So subtract 13 - 4=9

Step-by-step explanation:

PLEASE MARK ME BRAINLIEST IF MY ANSWER IS CORRECT PLEASE

Chloe gave out a survey to some students in her school about their favorite color. 219 of those surveyed said their favorite color was purple. If 73% of the students surveyed said their favorite color was purple, how many students were surveyed in total?

Answers

If 73% of the students surveyed said their favorite color was purple,  1,000 students were surveyed in total.

What is the percentage?

It's the ratio of two integers stated as a fraction of a hundred parts. It is a metric for comparing two sets of data, and it is expressed as a percentage using the percent symbol.

Let the total number of persons surveyed be x. However, the question tells us that 350 respondents, or 35% of this x, make up the total.

Hence, mathematically, we have;

73% of x = 219

(73/100) × x = 219

73x = 100×219

73x = 219,000

x = 219,000/219

x = 1,000 students

Thus, if 73% of the students surveyed said their favorite color was purple, 1,000 students were surveyed in total.

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Use the drop-down menu to complete each statement. according to this graph, at $10 the quantity supplied is about . as the price of the good rises, the quantity supplied will .

Answers

Answer:

14

increase

Step-by-step explanation:

Answer:

14, increase

Step-by-step explanation:

i beg <3
what is the domain? a. (-infinity, infinity) b. (-infinity,4) c. (-4,4) d. (0,4) what is the range? a. (-infinity, infinity) b. (-infinity,4] c. [-4,4] d. (0,4)

Answers

Answer:

Given:

A set of functions,

A. y = -(x-4)^2  

B. y=3(x- 4)^2

C. y = [x] + 4

D. y = -5x + 4.  

To Find:

The function whose range is (-infinity, 4].

Solution:

1. The function y = -(x-4)^2 has a minimum value of 0 and it is an increasing function. Hence the maximum value tends towards infinite. Hence the range is [0, infinite).

2. The function y = 3(x-4)^2 has a minimum value of 0 and it is an increasing function. Hence the maximum value tends towards infinite. Hence the range is [0, infinite).

3. y = [x] + 4 (where [x] = greatest integer function). This function is an increasing function with a minimum value towards negative infinity and the maximum value tends towards the positive side of infinity.  

=> Range of y = [x]  + 4 is (-infinite, infinite).

4. y = -5x+4 is a continuous increasing function without any exceptions.  

=> Range of y = -5x+4 is (-infinite,infinite)

Therefore, none of the functions has their range from (-infinity,4].

Step-by-step explanation:

Could someone help me with this? I need to solve for X. Here is the problem.

Answers

The two angles given are vertical angles, which mean they are equal to each other.

2x + 2 = 3x -52

Add 52 to both sides:

2x + 54 = 3x

Subtract 2x from both sides:

54 = x

Rewrite as x = 54

Answer: x = 54

To use the tree house as the start of the zip line, the cable needs to be attached to
the starting tree at a height 18 feet above the ground.
To meet the slope constraint, Esteban wants to change the height 7 feet and end the
zip line at a height 11 feet above the ground. He claims this vertical change meets the
slope constraint.
Test Esteban's claim for Tree A and Tree B. Use specific numbers from the situation to
justify or refute whether having a vertical change of 7 feet will satisfy the slope
constraint for each tree.

Answers

For both tree A and tree B calculated slope is less than 0.06. Then it does not satisfy the slope constraint.

What is the slope?

The slope is the ratio of rising or falling and running. The difference between the ordinate is called rise or fall and the difference between the abscissa is called run.

To use the treehouse as the start of the zip line, the cable needs to be attached to the starting tree at a height of 18 feet above the ground.

To meet the slope constraint, Esteban wants to change the height to 7 feet and end the zip line at a height of 11 feet above the ground.

He claims this vertical change meets the slope constraint.

The slope for tree A will be

[tex]\rm Slope \ A = \dfrac{7}{120}\\\\Slope \ A = 0.0583[/tex]

The slope for tree B will be

[tex]\rm Slope \ B = \dfrac{7}{160}\\\\Slope \ B = 0.043[/tex]

For both tree A and tree B calculated slope is less than 0.06. Then it does not satisfy the slope constraint.

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find the area plssssssssssssssssss

Answers

Answer: 32 m^2

Step-by-step explanation:

first set up your equation; A=A rectange - 2(A square). The you plug in your numbers A = 40-2(4). The you do 40-8 = 32

Solve the inequality 20 – 6x < -10. ​

Answers

Answer:

x = 5

Step-by-step explanation:

what is 7h-5(3h-8) = -72

Answers

Answer:

14

Step-by-step explanation:

7h-5(3h-8)=-72

7h-15h+40=-72

-8h=-112

h=14

Answer:

Answer is 14

Step-by-step explanation:

7h-15h+40 = -72-8h = -72-40-8h = -112h = -112

------

-8

h = 14

Hope it helps!

BYE

Given that f (x) =x^2 -10x +24 and g (x) =x - 6, find f (x) - g (x) and express the result in standard form

Answers

Answer:

x^2 + 9x + 30 = 0

Step-by-step explanation:

Given: f(x) = x² – 10x + 24

g(x) = x – 6

f(- x) = g(x) :

(-x)² - 10(- x) + 24 = x - 6

x² + 10x + 24 - x + 6 = 0

Result: x² + 9x + 30 = 0

Answer:

Y = (x - 11/2)^2 -1/4

Step-by-step explanation:

subtract g(x) to f(x)

f (x) - g (x) = x^2 -10x +24 -x + 6

f (x) - g (x) = x^2 -11x +30

Let's call Y

Y = x^2 -11x +30

The standard form is by definition as Y = a (x-b)^2 + h

In this specific case:

Y = (x - 11/2)^2 -121/4 + 30

Y = (x - 11/2)^2 -1/4

f(x) = x^2. What is g(x)?

A. g(x) = (4x)^2
B. g(x) = 2x^2
C. g(x) = (2x)^2
D. g(x) = (1/2x)^2​

Answers

Answer:

C

Step-by-step explanation:

g(x) through the point (1,4) so its mean when x equal to 1, g(x) equal to 4 so you replace that point so you can choosse C

Which inequality represents the graph?
z≤-10 z≥-10
z-10 z<-10
K
+
-25-20 -15-10 -5
0
0
5
O

Answers

Answer: z _> -10

Step-by-step explanation:

Bart wants to deposit his piggy bank savings into a savings account. If he deposits $325. 76, how many whole years will it take, at 2% simple

Interest, for that amount to grow to $400. 00?


A. 12 years

B. 4 years

C. 16 years

D. 8 years

Answers

Answer:

Step-by-step explanation:

Compounding interest :

Future value of money = Present value * (1+ r)^N

r - interest rate

n - number of period

In our example, Present value = 325.76, FV = 400, r = 2%, and we need to find N

by solving that we can find it that N is equal to 10.3675

Simple interest :

400 - 325.76 = 74.26$ we need to increase

325.76*2% = 6.5152$ each year

74.26 / 6.5152 = 11.3949

as a whole year = 12years

what is the surface area, in square inches, of the rectangular prism formed by folding the next below?

Answers

Therefore, the surface area of the rectangular prism is 2600 square inches.

What is surface area?

In geometry, surface area is the total area that the surface of a 3-dimensional object covers. It is the sum of the areas of all the faces or surfaces that make up the object. Surface area is often used to determine the amount of material needed to cover an object or to calculate the heat transfer between an object and its surroundings.

Here,

To find the surface area of the rectangular prism, we need to find the area of each of its faces and add them together. Looking at the net, we see that there are three pairs of identical rectangles: the top and bottom faces, the front and back faces, and the left and right faces. Each of these rectangles has dimensions of 23 inches by 8 inches.

Therefore, the surface area of the rectangular prism is:

=2 * (23 in. * 8 in.) (top and bottom faces)

=2 * (36 in. * 8 in.) (front and back faces)

=2 * (23 in. * 36 in.) (left and right faces)

= 368 + 576 + 1656

= 2600 square inches

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HELP!!!

is the following relation a function?


yes or no?

Answers

Answer:

I think the answer is no

Step-by-step explanation:

It's been awhile but if I remember correctly a function cannot be a parabola (this graph) because it does not pass the vertical line test. If there are two points on a vertical line it is not a function. Hope this helps!

What will the equation be if f(x)= x^2 is translated 6 units left and 3 units up?

Answers

Answer:

(x+6)^2+3

Step-by-step explanation:

translate 6 left

left is negative

so (x+6)^2. it is + because the x goes in the opposite direction causing (x-6)^2 to go right

and 3 units up so add x by 3 to get (x+6)^2+3

Answer:

g(x) = (x + 6)² + 3

Step-by-step explanation:

To move horizontally replace each x with (x ± c)

if you move it to the right, you need x - c

if you move it to the left , you need x + c

Since we are moving to the left 6, we will have: g(x) = x² + 6

To move up or down, add or subtract the constant equal to the units moved, so to move it up 3 would give us:

g(x) = (x + 6)² + 3

A graph is below for further conformation.

hope this helps!

the price of a sweater was reduced from $20 to $12. by what percentage was the price of the sweater reduced?

A.8% B.80% C.60% D.40%


PLEASE HELP ME!!!!​

Answers

Answer:

40%

Step-by-step explanation:

The original is $20. It is now 12/20 is ?/100

12*100=1,200/20=60     100-60=40%

Answer:

D. 40%

Step-by-step explanation:

ConceptsPercent Change

Percent change refers to how much, as a percentage, a quantity increases or decreases. The formula for percent change is [tex]\frac{FV-IV}{IV} * 100 = PC[/tex]. Keep in mind percent change is not negative, but can be written as 40% decrease or 40% increase.

FV = Final ValueIV = Initial ValuePC = Percent Change (%)ApplicationHow Does this Apply Here?

We are being asked to find the percent change, or the change in the price of the sweater from $20 to $12. Thus, we will have to use the aforementioned formula. $20 is the initial value and $12 is the final value.

Solving

Solving for Percent Change

Step 1: Plug in values.

[tex]\frac{12-20}{20} * 100[/tex]

Step 2: Simplify.

[tex]\frac{8}{20} * 100[/tex] [tex]800/20[/tex] [tex]40[/tex]

Therefore, the answer is D. 40%.

1.4.
Which scatter plot shows a negative linear association between x and y?
A.
B.
y
y
C.
D.
..
..
.


.

Answers

Answer:

need more details

Step-by-step explanation:

...


For x2 + 3x - 18 = (x - 3)(x + a), what value
of a would make this equation true?

Answers

a=6

you can check be substituting the a value into (x-3)(x+a) once you substitute you can use foil to check and see if things make sense

Find the equation of the line with slope = -6 and passing through (-2,10). Write your equation in the
form y = mx + b.
Submit Question

Answers

[tex](\stackrel{x_1}{-2}~,~\stackrel{y_1}{10})\qquad \qquad \stackrel{slope}{m}\implies -6 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{10}=\stackrel{m}{-6}(x-\stackrel{x_1}{(-2)}) \\\\\\ y-10=-6(x+2)\implies y-10=-6x-12\implies y=-6x-2[/tex]

if 54735 = 53000+735+p what is the value of p

Answers

Answer:

1000 :)

Step-by-step explanation:

We need to subtract to solve!!

54735 - 53000 = 1735

1735 - 735 = 1000

Have an amazing day!!

Please rate and mark brainliest!!!

5pts and whoever has the correct answer gets brainliest ​

Answers

Answer:

B

Step-by-step explanation:

HELP TAKE YOUR TIME°!!!


FOR MY SISTER

Answers

Answer:

1.15

2.1

3.3

45

5.3

6.8

7.4

8.5

9. 24

Step-by-step explanation:

Carry on learning

Answer:

1. 15

2. 1

3. 3

4.  2.5

5. 3

6. 8

7. 4

8. 5

9. 24

10. 6

11. 3

12. 52

13. 44

14. 38

15. 24

16. 12

17. 2

18. 12

Step-by-step explanation:

I need help because I dont quiet understand pls explain?

Explain how to create a graph to model the relationship between the 2 quantities in the table.

Answers

Answer:

For every hour they work (x), they are being paid $25. (d)

Step-by-step explanation:

So, D=25x

Which statement is correct about the period of the function y = sin x?

A) There are 180° in a unit circle, so the period is 180°

B) There are 180° in a unit circle, so the period is 360°

C) There are 360° in a unit circle, so the period is 180°

D) There are 360° in a unit circle, so the period is 360°

Answers

Answer:

C

Step-by-step explanation:

The function sine of 'x' repeats its value after a full rotation of π radians. In degrees, that would be 180 degrees. On a unit circle, the sine is the y-component at any point along the circumference of the circle. In the first two quadrants, the y-component is the exact same until you exceed a rotation of 180 degrees. The degree of a circle is 360 degrees, therefore the answer would be C.

about 2/5 of Joys cottage property is covered with trees. About 21 km2 are open fields. In Km2, how much of her property is covered in trees

Answers

Fractions are written as the ratio of two integers. 8.4km^2 of her property are covered in trees

Ratios and proportions

Fractions are written as the ratio of two integers

Given the following parameters

total area of open field = 21km^2

If 2/5 of Joys cottage property is covered with trees, the amount covered in trees is expressed as:

Amount covered in trees = 2/5 * 21

Amount covered in trees = 42/5

Amount covered in trees  = 8.4km^2

Hence 8.4km^2 of her property are covered in trees

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I really need help, I'm struggling. Question is in image. ​

Answers

Answer:

See below ~

Step-by-step explanation:

(a)

Original Temp : -7°FTemp change : 15°F⇒ -7°F + 15°F = 8°F

(b)

Temp in Juneau = -28°FTemp in Montreal = -15°FDifference in temp = -28 - (-15)-28 + 15 = -13°F lower

Question 3
6 pts
A ball is thrown vertically upward with an initial velocity of 48 feet per
second and started from a height of 8 ft off the ground.
a. Write a vertical motion equation that models the situation.
b. How long will it take the ball to hit the ground? (round to the nearest
Hundredth)
c. How long will it take the ball to be 56 ft above the ground?
No answer text provided.

Answers

(a) The vertical motion equation for the ball is h = 8 + 48t - 16t².

(b) The time for the ball to hit the ground is 3.15 s.

(c) The time for the ball to travel 56 ft above the ground is 0.79 s.

Vertical motion equation for the ball

The vertical motion equation for the ball is calculated as follows;

h = h₀ + vt - ¹/₂gt²

h = 8 + 48t - ¹/₂(32)t²

h = 8 + 48t - 16t²

Time for the ball to hit the ground

0 = 8 + 48t - 16t²

solve the above quadratic equation with formula method;

a = -16, b = 48, c = 8

t = 3.15 s

Time for the ball to be 56 ft above the groundlet upward motion be positive

h = 8 + 48t + 16t²

56 = 8 + 48t + 16t²

0 = -48 + 48t + 16t²

solve the above quadratic equation with formula method;

a = 16, b = 48, c = -48

t = 0.79 s

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whats the minimum and maximum value of f(x)=3(x+8)^2−10

Answers

Answer:

(-8,-10)

Step-by-step explanation:

Rewrite (x+8)2(x+8)² as (x+8)(x+8).

f(x)=3((x+8)(x+8))−10

Expand (x+8) (x+8) using the FOIL Method.

Apply the distributive property.

f(x)=3(x(x+8)+8(x+8))−10

Apply the distributive property.

f(x)=3(x⋅x+x⋅8+8(x+8))−10
Apply the distributive property.

Simplify and combine like terms.

Simplify each term.

Multiply x by x.

f(x)=3(x2+x⋅8+8x+8⋅8)−10

Move 8 to the left of x.

f(x)=3(x2+8⋅x+8x+8⋅8)−10

Multiply 8 by 8.

f(x)=3(x2+8x+8x+64)−10

Add 8x and 8x.

f(x)=3(x2+16x+64)−10

Apply the distributive property.

f(x)=3x2+3(16x)+3⋅64−10

Simplify.

Multiply 16 by 3.

f(x)=3x2+48x+3⋅64−10

Multiply 3 by 64.

f(x)=3x2+48x+192−10

Subtract 10 from 192.

f(x)=3x2+48x+182

The minimum of a quadratic function occurs at x=[tex]-\frac{b}{2a}[/tex] If a is positive, the minimum value of the function is f ([tex]-\frac{b}{2a}[/tex]).

Substitute in the values of aa and b.

x=−[tex]\frac{48}{2(3)}[/tex]

x=-8

Replace the variable x with −8 in the expression.

f(−8)=3(−8)2+48(−8)+182

Y=-10

Therefore, the minimum value is (-8,-10) but if it is asking for just the y-value it would be -10.

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