Final outcome is: 1 quart, 2 cups. 2 quarts, 1 pint, and 2 cups are the outcome of removing 1 quart, 2 pints, and 1 cup from 3 quarts and 1 pint.
We must convert all the units to the same level of measurement in order to remove these two mixed volume units. We are aware that 2 pints and 2 cups equal 1 quart. In order to subtract the volumes, we can convert the pint and cup units to quarts.
We begin by converting 1 pint to quarts:
Pints equal half quarts.
The next step is to convert 1 cup to quarts:
1/4 pint is equal to one cup.
Hence, the second mixed unit is:
1.75 quarts are equal to 1 quart, 2 pints, and 1 cup (1 + 2(1/2) + 1/4).
We may now take the volumes away:
3 quarts and a pint minus a pint, a cup, and a quart equals 3 + 1/2 minus 1.75 to 2.75 quarts.
This result can be written as a whole number of quarts plus any leftover pints and cups to return it to mixed units. Since a quart is equal to two pints, we can write:
2.75 quarts equal 2 quarts plus a half-quart.
We may convert the remaining 1/2 quart to pints because 2 cups equal 1 pint:
2 pints from a half-quart
The end result is as a result:
1 quart, 2 cups
Therefore, 2 quarts, 1 pint, and 2 cups are the outcome of removing 1 quart, 2 pints, and 1 cup from 3 quarts and 1 pint.
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find the value of 9u+4 given that -5u-8=2
Answer:
13
Step-by-step explanation:
Given
7u - 4 = 3 ( add 4 to both sides )
7u = 7 ( divide both sides by 7 )
u = 1
Then
9u + 4 = 9(1) + 4 = 9 + 4 =13
what is the similar between percent of markup and percent of discount
The two are similar because both use a percentage as a decimal to get a new price.
Chicken costs c dollars per pound. Write an expression for the price of 3/4 pound of chicken.
Answer: [tex]\frac{3}{4}[/tex]c
Step-by-step explanation:
If one pound of chicken costs c dollars, and we are writing an expression for 3/4 a pound of chicken, our expression will be the price (c) multiplied by how much chicken there is (3/4):
3/4c
- In mathematics, an expression is a combination of numbers, variables (represented by letters), symbols, and operators, arranged in a way that represents some meaningful mathematical relationship or calculation.
- Expressions can be simple, like 3x or 4 + 5, or complex, like (3x + 4y) / (2x - 5y). Expressions are not equations or inequalities, as they do not contain an equal sign, but they can be used to build equations or inequalities.
Solving the Question:The price of 1 pound of chicken is c dollars. To find the price of 3/4 pound of chicken, we can multiply the price of 1 pound by 3/4:
[tex]\begin{aligned}\sf Price\: of\: \dfrac{3}{4}\: pound\: of\: chicken& =\sf \dfrac{3}{4} \times c \\&=\boxed{\bold{\:\dfrac{3}{4}c\:}}\end{aligned}[/tex]
Therefore, the expression for the price of 3/4 pound of chicken is 3/4c.
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https://brainly.com/question/13667588Can I please get help with this?
[tex]~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$4000\\ r=rate\to 2.7\%\to \frac{2.7}{100}\dotfill &0.027\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{\underline{semi-annually}, thus twice} \end{array}\dotfill &2\\ t=years\dotfill &10 \end{cases}[/tex]
[tex]A = 4000\left(1+\frac{0.027}{2}\right)^{2\cdot 10}\implies A=4000(1.0135)^{20} \implies \boxed{A \approx 5230.40} \\\\[-0.35em] ~\dotfill[/tex]
[tex]~~~~~~ \textit{Annual Percent Yield Formula} \\\\ ~~~~~~~~~~~~ \left(1+\frac{r}{n}\right)^{n}-1 ~\hfill \begin{cases} r=rate\to 2.7\%\to \frac{2.7}{100}\dotfill &0.027\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{\underline{semi-annually}, thus twice} \end{array}\dotfill &2 \end{cases} \\\\\\ \left(1+\frac{0.027}{2}\right)^{2}-1\implies 1.0135^2-1\approx 0.02718 ~~ \approx ~~ \stackrel{ 0.02718\times 100 }{\boxed{2.718~\%}}[/tex]
A circle with center O(4,2) contains the point A(1,6),
MIM
0(44)
Write a subtraction expression for each length OB and AB:
OBX-2 AB-y+h
A subtraction expression for each length OB and AB is [tex]OBX = \sqrt (x - 4)^2 + (y - 2)^2] + 2 \sqrt (1 - x)^2 + 16] - y.[/tex]
What is the property of circle?Let r be the radius of the circle. Then we have:
r = distance(O, B)
We can use the distance formula to find the distance between two points:
distance(P, Q) = √[(x2 - x1)² + (y2 - y1)²]
where P = (x1, y1) and Q = (x2, y2)
Substituting O = (4, 2) and B = (x, y), we get:
r = distance(O, B) = √[(x - 4)² + (y - 2)²]
Now, let's consider the subtraction expression:
OBX-2 AB-y+h
We can simplify this expression as follows:
[tex]OBX = r + 2 AB = \sqrt{[(x - 4)^2 + (y - 2)^2] } + \sqrt[2]{[(1 - x)^2 + (6 - y)^2]}[/tex]
We don't need to include the variables y and h in the expression since they were not defined in the problem. So the final subtraction expression for OBX is:
[tex]OBX = \sqrt{ [(x - 4)^2 + (y - 2)^2]} + \sqrt[2]{[(1 - x)^2 + 6]-y} .[/tex]
Therefore, the expression is OBX [tex]= \sqrt(x - 4)^2 + (y - 2)^2] + 2 \sqrt(1 - x)^2 + 16] - y.[/tex]
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Which might be a disadvantage to using equations for solving problems?
OA. It can be difficult to remember what an equation means without a
diagram, graph, or table.
B. They can be solved using algebra.
C. They cannot be solved if they have only one varible
Answer:
A disadvantage to using equations for solving problems might be that it can be difficult to remember what an equation means without a diagram, graph, or table (Option A).
Step-by-step explanation:
A "Pick 3" lottery game involves drawing
3 numbered balls from separate bins
each containing balls labeled from 0 to 9.
So there are 1,000 possible selections in
total: 000, 001, 002, . . . , 998, 999.
Players can choose to play a "straight"
bet, where the player wins if they choose
all 3 digits in the correct order. Since
there are 1,000 possible selections, the
probability a player wins a straight bet is
1/1,000. The lottery pays $400 on a
successful $1 straight bet, so a player's
net gain if they win this bet is $399.
Let X represent a player's net gain on a
$1 straight bet.
Calculate the expected net gain E(X).
According to the question the expected net gain for a player on a $1 straight bet is -$0.60.
how to calculate expected value in probability?Simply multiply each value of the discrete random variable X by its probability and add the products to get the expected value, E(X), or mean. The formula is as follows: E (X) = ∑ x P (x)
The possible outcomes for X are winning with a probability of 1/1000 and net gain of $399, and losing with a probability of 999/1000 and net gain of -$1. Therefore, we can calculate the expected value of X as follows:
E(X) = (1/1000)($399) + (999/1000)(-$1)
E(X) = $0.399 - $0.999
E(X) = -$0.60
Therefore, the expected net gain for a player on a $1 straight bet is -$0.60. This means that, on average, a player will lose $0.60 for each $1 bet they place on this game.
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Answer:
-0.60
Step-by-step explanation:
Khan Academy
Mr smith makes $20 and hour
working full time. He gets about 25% of his income taken out for taxes. He came up with the following monthly budget:
How much extra money does he have left over monthly to put into savings?
Please enter your answer without a dollar sign or spaces.
Amount of money that he have left over monthly to put into savings is $585.
What is Subtraction?Subtraction can be done for any numbers or algebraic expressions. It is the process of taking out certain value from a given amount of number.
The process of subtraction can also be termed as finding difference.
Given that,
Hourly rate of Mr. Smith = $20
If he works full time, then the number of working hours in a week is 40 hours.
So the number of working hours in a month = 40 × 4 = 160 hours
Rate for a month = 160 × $20 = $3200
Tax percent from the income = 25%
Income after tax = 3200 - (25% × 3200) = 3200 - 800 = $2400
Total budget of Mr. Smith = $1,410 + $405 = $1815
Income after the monthly budget = $2400 - $1815 = $585
Hence the money that is left is $585 for the savings.
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The complete question is given below :
Mr. Smith makes $20 an hour working full time. He gets about 25% of his income taken out for taxes. He came up with the following monthly budget.
Household:
Rent: $700
Cable: $85
Cell Phone: $175
Electric: $100
Food: $350
Total: 1,410
Automobile
Car: $200
Car Insurance: $100
Gas: $90
Maintenance: $15
Total: $405
How much money does he have left over monthly to put into savings?
A giant tortoise can travel 0.14 miles in 1 hour. At this rate, how long would it take the tortoise to travel 3 miles
It would take the giant tortoise approximately 21.43 hours to travel 3 miles at a rate of 0.14 miles per hour.
What is distance?
Distance is the measure of how far apart two objects or locations are from each other. It is usually measured in units such as meters, kilometers, miles, or feet. Distance is a scalar quantity, meaning it has only magnitude and no direction.
We can use the formula:
time = distance ÷ speed
where "distance" is the total distance to be traveled and "speed" is the rate of travel.
In this case, the distance is 3 miles and the speed is 0.14 miles per hour. So we can substitute these values into the formula and solve for "time":
time = 3 miles ÷ 0.14 miles per hour
time ≈ 21.43 hours
Therefore, it would take the giant tortoise approximately 21.43 hours to travel 3 miles at a rate of 0.14 miles per hour.
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please help The triangle below is isosceles. Find the length of side x in simplest radical form with a rational denominator
Answer:
x = 3√2
Step-by-step explanation:
You want the length x of the hypotenuse of an isosceles right triangle with sides of length 3.
Isosceles right triangleThe two legs of an isosceles right triangle are congruent. The length of the hypotenuse can be found from the Pythagorean theorem:
x² = 3² +3²
x² = 3²·2
x = √(3²·2) = 3√2
The length of side x is 3√2.
__
Additional comment
A isosceles right triangle is one of two "special" right triangles. The ratios of its side lengths are 1 : 1 : √2. This tells you the hypotenuse is √2 times the side length, as we found above.
The other "special" right triangle is the 30°-60°-90° triangle. Its side lengths have the ratios 1 : √3 : 2. Both of these are seen often in algebra, trig, and geometry problems.
How much would you need to deposit every month in an
account paying 6% per year to accumulate $1,000,000 by age 65
starting when you are 20 years old?
What value of x satisfies the system of equations below? x + y = 2 7x - y = 2
Answer:
0.5
Step-by-step explanation:
We want to get an equation with only one variable for it to be able to be solved.
To do this, we will solve the first equation for y.
[tex]x+y=2\\y=2-x[/tex]
Now, we can plug this value of y into the second equation
[tex]7x-y=2\\7x-(2-x)=2\\[/tex]
Finally, we have just one variable, and we can solve for x.
[tex]7x-(2-x)=2\\7x-2+x=2\\8x=4\\x=0.5[/tex]
PLEASE HELP ASAP
(Perimeter and Area on the Coordinate Plane MC) Which of the following is the fourth vertex needed to create a rectangle with vertices located at (–5, 3), (–5, –7), and (5, –7)? (5, –3) (5, 3) (–5, 7) (–5, –3)
Step-by-step explanation:
To create a rectangle with vertices located at (-5, 3), (-5, -7), and (5, -7), we need to find the fourth vertex that completes the rectangle. Since opposite sides of a rectangle are parallel and congruent, we can determine the missing vertex by finding the midpoint of either of the two given sides and then moving in the direction perpendicular to that side by the length of the other side.
The given sides are:
Side 1: (-5, 3) to (-5, -7), which has length 3 - (-7) = 10
Side 2: (-5, -7) to (5, -7), which has length 5 - (-5) = 10
Since the sides are congruent, we can find the midpoint of Side 1 as:
Midpoint of Side 1 = [(-5 + (-5))/2, (3 + (-7))/2] = [-5, -2]
To find the missing vertex, we need to move from (-5, -2) in the direction perpendicular to Side 1 by a distance of 10 units (the length of Side 2). Since Side 2 is horizontal, we need to move vertically. We can do this by adding or subtracting 10 from the y-coordinate of the midpoint of Side 1, depending on whether we want to move up or down. In this case, we want to move down, so we subtract 10:
Missing vertex = [-5, -2 - 10] = [-5, -12]
Therefore, the fourth vertex needed to create a rectangle with vertices located at (-5, 3), (-5, -7), and (5, -7) is (-5, -12).
Every day, people face problems at home, work, school, or in their community that they must solve. Think about your life from the past 2 weeks, when something did not work out the way you intended, such as your car breaking down, you running out of milk, or facing a scheduling conflict. A lot of them need you to use math to help solve the problem.
Share at least 1 problem that you encountered recently, and answer the following questions in your main post:
What was the problem, and why it was difficult for you?
How did you use math in trying to solve the problem, and what was the outcome?
How would you approach in the problem differently next time?
Problem: Imagine a person, John, facing a scheduling conflict due to overlapping appointments.
John had a dentist appointment at 2 PM, which he expected to last an hour, but he also had a meeting scheduled with his colleague at 3 PM.
Why it was difficult: The scheduling conflict made it difficult for John to manage both appointments without disappointing either party.
Math used to solve the problem: John decided to calculate the time it would take him to travel from the dentist's office to the meeting location, considering the appointment duration and travel time.
Dentist appointment: 2 PM - 3 PM
Travel time (calculated using distance and speed): 30 minutes
Meeting time: 3 PM
John realized he would be 30 minutes late for the meeting if he attended the dentist appointment.
Outcome: John decided to reschedule his dentist appointment to an earlier time or another day to avoid the conflict.
Approaching the problem differently next time:
In the future, John could consider using a calendar app to keep track of his appointments and avoid scheduling conflicts.
Additionally, he could factor in the duration of events and travel times when scheduling appointments to ensure he has enough time between engagements.
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duncan swam 3/4 of a mile each day on monday wednesday thursday and friday how many miles did he swim in all
recently, alicia went on a trip. on the first part of the trip, she drove 260 miles to visit her grandparents. this distance is 4/5 of the total she traveled. what equation can you use to find d, the total length of her trip in miles
The equation that can be used to find d, based on the options for the parts of the equation is; (4/5) × d = 260
What is an equation?An equation is a statement of equivalence between expressions.
The specified equation is; _ _ d = _
The distance of the first part of Alicia's trip = 260 miles
The part of the total distance traveled of the trip represented by the first part of Alicia's trip = 4/5
The total length of Alicia's trip = d
An equation that can be used to find the total length of Alicia's trip therefore is; (4/5) × d = 260
The total distance traveled, d, can be obtained from the above equation when d is made the subject of the equation as follows;
(4/5) × d = 260
d = 260/(4/5) = 260 × 5/4 = 325
The total distance Alicia traveled, d = 325 miles
The correct equation is therefore; (4/5) × d = 260
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A square with a side length of 81 meters was created from a square with a side length of 4.5 meters using a scale factor. What is the scale factor?
54:1
18:1
128:1
364:1
The scale factor of the dilation of the square is (b) 18 : 1
Calculating the scale factorTo find the scale factor, we need to determine how many times the length of the original square was multiplied to obtain the length of the new square.
The length of the original square is 4.5 meters, and the length of the new square is 81 meters.
Therefore, we need to divide the length of the new square by the length of the original square to find the scale factor:
81 meters ÷ 4.5 meters = 18
So the scale factor is 18:1.
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Please help solve this
The vertices οf the given inequalities are (2,0);(-6,0); (0,-1);(0,-3);(-2,-2)
What is inequality?In mathematics, inequality is a statement οf an οrder relatiοnship that is a relatiοnship between twο values that are nοt equal,—greater than, greater than οr equal tο, less than, οr less than οr equal tο—between twο numbers οr algebraic expressiοns. Such as 7<9 οr 5>3 etc.
The given system οf inequalities are:
2y-x≥ -2
2y+x≥ -6
y≤0
x≤0
Tο find the vertices we must cοnvert the inequality intο an equatiοn.
Sο the equatiοns are:
2y - x= -2-----------------(1)
2y + x= -6----------------(2)
y=0-----------------(3)
x=0 -----------------(4)
Putting the value οf equatiοn (3) in equatiοn (1) and (2) we get,
x=2 and x= -6
Again putting the value οf equatiοn (4) in equatiοn (1) and (2) we get,
y=-1 and y=-3
Sο frοm these the vertices can be written as (2,0);(-6,0) and (0,-1);(0,-3)
Nοw , subtracting equatiοn (2) frοm equatiοn (1) we get,
( 2y - x )-(2y+x)= -2-(-6)
⇒ -2x= 4
⇒x= -2
Putting this value x=-2 in equatiοn (1) we get,
2y-(-2)=-2
⇒2y+2=-2
⇒2y=-4
⇒ y= -2
Hence the vertices οf the given inequalities are (2,0);(-6,0); (0,-1);(0,-3);(-2,-2)
A graph fοr the inequalities is attached belοw.
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RSM a pharmisest has a 18 percent alcohol sulution and a 40 percent alcohol sulution how much of each must he use to make 10 leaters of 20 persent alcohol sulution
Answer:
To make 10 liters of 20% alcohol solution, RSM would need to use a combination of the 18% and 40% alcohol solutions. Let's call the amount of 18% solution used "x" and the amount of 40% solution used "y".
To set up the equation, we'll use the fact that the amount of pure alcohol in the final solution must be equal to 20% of the total volume.
So:
0.18x + 0.40y = 0.20(10)
Simplifying:
0.18x + 0.40y = 2
We have one equation with two unknowns, which means we need another equation. Fortunately, we know that RSM is making a total of 10 liters of solution. So:
x + y = 10
We now have two equations with two unknowns, which we can solve simultaneously. One way to do this is to solve one equation for one variable, then substitute that expression into the other equation, like so:
x = 10 - y (from the second equation)
0.18(10-y) + 0.40y = 2 (substituting into the first equation)
1.8 - 0.18y + 0.40y = 2
0.22y = 0.2
y = 0.91
So RSM would need to use approximately 0.91 liters (or 910 milliliters) of the 40% solution, and the rest (9.09 liters or 9090 milliliters) of the 18% solution, to make 10 liters of 20% alcohol solution.
Select the correct answer from the drop-down menu. The design for a two-tank system is shown. The inner tank must be surrounded by oxygen with a density of 0.0827 pounds per cubic foot. Diagram shows a small rectangular prism placed inside a large rectangular prism. Small prism has a length of 5 feet, a width of 4 feet, and a height of 3 feet. Large prism has a length of 20 feet, a width of 8 feet, and a height of 6 feet. What amount of oxygen is needed in the outer tank? To meet the density required, approximately pounds of oxygen is required.
Answer:
74.43 pounds
Step-by-step explanation:
To find the amount of oxygen needed in the outer tank, we need to first find the volume of the space between the two tanks. This space is a rectangular prism with length 20 feet, width 8 feet, and height 6 feet, but with a rectangular prism removed from the center. The removed prism has length 5 feet, width 4 feet, and height 3 feet.
The volume of the rectangular prism between the two tanks is:
V = (20 x 8 x 6) - (5 x 4 x 3)
V = 960 - 60
V = 900 cubic feet
To find the amount of oxygen needed to fill this space with a density of 0.0827 pounds per cubic foot, we can multiply the volume by the density:
m = V x d
m = 900 x 0.0827
m ≈ 74.43 pounds
Therefore, approximately 74.43 pounds of oxygen is required to meet the density requirement.
Answer: 74 pounds
Step-by-step explanation:
(20*8*6) - (5*4*3)
960-60
v=900 ft3
density=0.0827
mass=0.0827*900
Mass is 74 pounds
A tree casts a shadow 21 m long. The angle of elevation of the sun is 51°. What is the height of the tree? Record your answer in the table below.
Answer:
17.2 meters
Step-by-step explanation:
We can use the tangent function to solve this problem. Let's denote the height of the tree as h. Then we have the following:
tan(51°) = h / distance from the tree to the end of the shadow
We can find the distance from the tree to the end of the shadow by using the length of the shadow and the angle of elevation of the sun. Since the shadow is 21 meters long, and the angle of elevation of the sun is 51°, we can use the following trigonometric relationship:
tan(51°) = h / distance from the tree to the end of the shadow
tan(51°) = h / x (where x is the distance from the tree to the end of the shadow)
To find x, we can use the following trigonometric relationship:
tan(39°) = h / x (where 39° is the complementary angle to 51°)
We can solve for x by rearranging this equation as follows:
x = h / tan(39°)
Substituting this expression for x into the first equation, we have:
tan(51°) = h / (h / tan(39°))
Simplifying this equation, we get:
h = (21 m) * tan(51°) / tan(39°)
Using a calculator, we find h to be the following:
h = 17.2 meters
Therefore, the height of the tree is approximately 17.2 meters.
See the problem in the image.
Are the two triangles similar?
Answer:
Yes the Triangle are similar by A.A.A Axiom
Answer:
yes, they two triangles are similar
Step-by-step explanation:
.........
Analyzing Errors
Detra and Trinh each wrote a rule to represent the relationship between input and output
values as shown in the graph below.
Output
14
12
10
8
6
2
Detra's Rule: Output = 3 x Input
How do you think Detra arrived at her
solution?
10 12 14
8
Input
Trinh's Rule: Output= Input + 3
How do you think Trinh arrived at her
solution?
Answer:
Detra's rule: Output = 3 x Input. This means that for every input value, the output value is three times greater. Detra likely arrived at this solution by noticing a pattern in the input-output values and determining that the output values were always three times greater than the input values.
Trinh's rule: Output = Input + 3. This means that for every input value, the output value is the input value plus three. Trinh likely arrived at this solution by noticing a pattern in the input-output values and determining that the output values were always three more than the input values.
Step-by-step explanation:
What is the standard form of the equation of a quadratic function with roots of 4 and −1 that passes through (1, −9)?
y = 1.5x2 − 4.5x − 6
y = 1.5x2 − 4.5x + 6
y = −1.5x2 − 4.5x − 6
y = −1.5x2 − 4.5x + 6
Answer:
(a) y = 1.5x² -4.5x -6
Step-by-step explanation:
You want the standard form of the quadratic with roots 4 and -1, and passing through the point (1, -9).
CoefficientsFor roots p and q, the standard form can be found from the factored form:
(x -p)(x -q) = x² -(p+q)x +pq
For the given roots, the product pq will be ...
(4)(-1) = -4
The sum p+q is 4+(-1) = 3. The x-coefficient is the opposite of this.
The parent quadratic (before vertical scaling) will be ...
(x -4)(x +1) = x² -3x -4
The coefficients of the last two terms have the same sign. (Eliminates the 2nd and 4th answer choices.)
Leading coefficientThe given point has an x-value (1) between the given roots (-1, 4):
-1 < 1 < 4
The y-value at that point is negative. This means the vertex of the parabola will be below the x-axis, so the parabola opens upward and the leading coefficient is positive. (Eliminates the last two answer choices.)
The answer choices tell us the leading coefficient is 1.5, so the equation is ...
y = 1.5(x² -3x -4)
y = 1.5x² -4.5x -6 . . . . . . matches the first choice
__
Additional comment
We could find the value of the leading coefficient 'a' by evaluating ...
y = a(x -4)(x +1)
for x = 1. We would get ...
-9 = a(1 -4)(1 +1) = -6a ⇒ a = -9/-6 = 1.5
As we saw above, this isn't necessary. We only need to know that its sign is positive. The answer choices tell us the value.
If the x-value of the given point is not between the roots, then we know the sign of the y-value is the sign of the leading coefficient.
For multiple-choice questions, you only need to work enough of the problem to determine which answer choice is correct. You don't necessarily need to work the problem all the way to an answer.
Work out 320.041 – 47.96
Answer:
272.14100
Subtract 47.96 from 320.041
320.041 - 47.96 = 272.14100
Answer:
272.081
Step-by-step explanation:
You're welcome
5. Apply logarithm to evaluate T given 644 204 = 400 000(1+10%), by first simplifying the equation.
Answer:
the value of T that satisfies the equation 644 204 = 400 000(1+10%) is approximately 6.45.
Step-by-step explanation:
We can simplify the equation 644 204 = 400 000(1+10%) by first simplifying the percentage term on the right-hand side:
10% of 400 000 is equal to 0.1 × 400 000 = 40 000.
So the equation becomes:
644 204 = 400 000(1 + 0.1 × 1)
Now, we can use logarithms to solve for T:
T = log(base 1.1)(644204/400000)
Using a calculator, we can evaluate the right-hand side to be approximately 0.2, so:
T = log(base 1.1)(1.61051)
Using the change of base formula, we can rewrite this as:
T = ln(1.61051) / ln(1.1)
Evaluating the natural logarithms using a calculator, we get:
T ≈ 6.45
Find the value of x.
Answer:
x = 8°
Step-by-step explanation:
∠GJL = ∠WJZ = 90° - 18° = 72° (cross angles)
(9x)° = 72° / : 9
x = 8°
Answer:
x = 8
Step-by-step explanation:
Find the measure of angle WJZ.
Since angles on a straight line sum to 180°:
⇒ m∠GJH + m∠HJW + m∠WJZ = 180°
⇒ 90° + 18° + m∠WJZ = 180°
⇒ 108° + m∠WJZ = 180°
⇒ 108° + m∠WJZ - 108° = 180° - 108°
⇒ m∠WJZ = 72°
According to the Vertical Angles Theorem, when two straight lines intersect, the opposite vertical angles are congruent.
Since line GJZ and line LJW intersect, then ∠GJL and ∠WJZ are vertical angles and therefore congruent:
⇒ m∠GJL = m∠WJZ
⇒ (9x)° = 72°
⇒ 9x = 72
⇒ 9x ÷ 9 = 72 ÷ 9
⇒ x = 8
Therefore, the value of x is 8.
At a Noodles & Company restaurant, the probability that a customer will order a nonalcoholic beverage is .53.
a. Find the probability that in a sample of 12 customers, none of the 12 will order a nonalcoholic beverage. (Round your answer to 4 decimal places.)
The prοbability that in a sample οf 12 custοmers, nοne οf the 12 will οrder a nοnalcοhοlic beverage is 0.0042.
What is Binοmial Prοbability?Binοmial prοbability is a type οf prοbability that deals with the number οf successes in a fixed number οf independent trials, where each trial has οnly twο pοssible οutcοmes, cοmmοnly referred tο as success οr failure. It is calculated using the binοmial prοbability fοrmula.
This is a binοmial prοbability prοblem, where the prοbability οf success (οrdering a nοnalcοhοlic beverage) is 0.53, and the number οf trials is 12.
The prοbability οf nο custοmers οrdering a nοn-alcοhοlic beverage can be fοund using the binοmial prοbability fοrmula:
[tex]P(X = k) = (n choose k) * p^k * (1-p)^{(n-k)[/tex]
where:
n = number of trials
k = number of successes (in this case, 0)
p = probability of success (ordering a non-alcoholic beverage)
Plugging in the values, we get:
[tex]P(X = 0) = (12 choose 0) * 0.53^0 * (1 - 0.53)^{(12 - 0)[/tex]
[tex]= 1 * 1 * 0.47^{12}[/tex]
= 0.0042 (rounded to 4 decimal places)
Therefοre, the prοbability that in a sample οf 12 custοmers, nοne οf the 12 will οrder a nοnalcοhοlic beverage is 0.0042.
To learn more about Binomial Probability
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Marta simplified this expression.
4 logs x+logs 2x log, 3x
In which step did she incorrectly apply a property of logarithms?
Answer:
step 1
Step-by-step explanation:
You want to know which step in Marta's simplification of 4·log₅(x) +log₅(2x) -log₅(3x) contains an error in application of properties of logarithms.
Properties of logslog(a^b) = b·log(a)
log(ab) = log(a) +log(b)
log(a/b) = log(a) -log(b)
Simplification[tex]4\log_5(x)+\log_5(2x)-\log_5(3x)\\\\=\log_5(x^4)+\log_5(2x)-\log_5(3x)\qquad\text{Step 1. Mistake: $4x$ instead of $x^4$}\\\\\log_5(x^4\cdot2x)-\log_5(3x)=\log_5\left(\dfrac{2x^5}{3x}\right)\\\\=\boxed{\log_5\left(\dfrac{2x^4}{3}\right)}[/tex]