a washer and dryer cost a total of $936. The cost of the washer is two times the cost of the dryer. find the cost of each item

Answers

Answer 1

Step-by-step explanation:

The washer costs $624 and the dryer costs 312.

624 is double 312 so that works out. Also if you add 624 and 312 you get 936.

Answer 2

Answer:

Washer = 642
Dryer = 321

Step-by-step explanation:


Related Questions

jake has an account that is compounded every month at a rate of 3.5%.if he invests $20,000,what will the balance be after 5 years

Answers

The formula that you will use is I = P*r*t so first you put in your numbers I = (20,000)(3.5%)(5)
You can’t have 3.5 as your rate so you divide that by 100 and you will get 0.035 and then you multiply 20,000 x 0.035 x 5 and you will get 3,500

Jake’s balance will be $3,500 after 5 years

The graph of f(x) = 2x + 1 is shown below. Explain how to find the average rate of change between x = 0 and x = 3.

The graph of f(x) = 2x + 1 is shown below. Explain how to find the average rate of change between x =

Answers

7/3 is the average rate of change.

Average rate of change of a function f(x) between any x values a and b = slope of the secant line connecting f(a) and f(b). This means (f(b)-f(a))/ (b-a). If a=0 and b=3, the average rate of change equals (f(3)-f(0))/(3-0).
f(3)=8+1=9, and f(0)= 1+1=2. So the average rate of change is (9-2)/3= 7/3.

Marjorie collected 126 seashells when she went to the beach.
About how many did she collect, rounded to the nearest hundred?

Answers

Answer:

100

Step-by-step explanation:

The number 126 is between 100 and 200.  It is closer to 100 so that is our answer rounded to the nearest hundred.                

Why is triangle always 180 degrees?

Answers

Triangle is always 180 degrees because the sum of all angles in a triangle is 180 degrees. This is known as the "Triangle Angle Sum Theorem." The theorem states that the sum of all angles in a triangle is equal to 180 degrees.

1. A triangle is a three-sided polygon with three angles.

2. The sum of the three angles in any triangle must be 180 degrees.

3. This is known as the Triangle Angle Sum Theorem.

4. The Triangle Angle Sum Theorem states that the sum of the angles in a triangle must equal 180 degrees.

5. It does not matter which angles the triangle has, the sum will always equal 180 degrees.

6. This theorem is based on the fact that the sum of the angles in any triangle is equal to two right angles or 180 degrees.

7. The Triangle Angle Sum Theorem can be proven by drawing a triangle, and then measuring and adding the three angles.

8. The sum of the three angles will always equal 180 degrees.

9. Therefore, triangle is always 180 degrees.

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Please answer correctly

Please answer correctly

Answers

URS= 20º

Hope this helps!!

What percent of 480 is 160?
A. 0.3%
B. 3%
C. 30%
D. 33.3%
E. 300%

Answers

Answer: E

Explanation: If you are using a calculator, simply enter 480÷160×100 which will give you 300 as the answer.

Fill in the missing fraction: Do not reduce your answer. What is 10/12 plus blank equals 16/12​

Answers

Answer:

The missing fraction is 6/12

(you can further simplify this but the question requires that you don't do that)

Step-by-step explanation:

To add fractions easily, their denominators should have the same value, so the denominator should be 12,

Then, to get 16 in the numerator, we need to find a number that on adding to 10, gives 16, or,

10 + x = 16

x = 16 - 10

x = 6

So, the numerator should be 6

so we get the fraction, 6/12

We can also solve it in an alternate way,

\(10/12 + x = 16/12\\x = 16/12 - 10/12\\x = (16-10)/12\\x = 6/12\)

help me out please ill give you 5 star, brainlist

help me out please ill give you 5 star, brainlist

Answers

Answer:

H

Step-by-step explanation:

you can see that it's increasing by 50 for each line

4*50=200

Please help me I need to finish this :)

Please help me I need to finish this :)

Answers

The correct answer for the problem above is A.

find the exact value of cos-1 (sqrt 3/2)

Answers

The exact value of cos^-1( √3/2) = 30°

What is trigonometric ratio?

The trigonometric functions are real functions which relate an angle of a right-angled triangle to ratios of two side lengths.

There are special angles in trigonometry, this angles have exact value and can be obtained without using calculator. Examples of this calculator are; 30°, 60°, 45°

sin30 = 1/2

cos 30 = √3/2

tan 30 = 1/√3

cos 60 = 1/2

sin 60 = √3/2

tan 60 = √3

Therefore, if cos^-1( √3/2) = x

cos x = √3/2

cos 30 = √3/2

cos x = cos 30

therefore x = 30

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Solve: startfraction 2 over 3 endfraction minus 4 x plus startfraction 7 over 2 endfraction equals negative 9 x plus startfraction 5 over 6. endfraction. â€"" 4x = â€""9x x = x equals negative startfraction 3 over 2 endfraction. x = x equals negative startfraction 2 over 3 endfraction. x = x equals startfraction 2 over 3 endfraction. x = x equals startfraction 3 over 2 endfraction.

Answers

The solution to the equation is x = 17/30.

To solve the equation, start by combining like terms on both sides.

On the left side, we have the fraction 2/3 and the term -4x.

On the right side, we have the fraction 7/2 and the term -9x.

To combine the fractions, we need a common denominator.

The least common multiple of 3 and 2 is 6.

So, we can rewrite 2/3 as 4/6 and 7/2 as 21/6.

Now, the equation becomes:

4/6 - 4x = 21/6 - 9x

Next, let's get rid of the fractions by multiplying both sides of the equation by 6:

6 * (4/6 - 4x) = 6 * (21/6 - 9x)

This simplifies to:

4 - 24x = 21 - 54x

Now, we can combine the x terms on one side and the constant terms on the other side.

Adding 24x to both sides gives:

4 + 24x - 24x = 21 - 54x + 24x

This simplifies to:

4 = 21 - 30x

Next, subtract 21 from both sides:

4 - 21 = 21 - 30x - 21

This simplifies to:

-17 = -30x

Finally, divide both sides by -30 to solve for x:

-17 / -30 = -30x / -30

This simplifies to:

x = 17/30

So the solution to the equation is x = 17/30.

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Five years ago, someone used her $40,000 saving to make a down payment for a townhouse in RTP. The house is a three-bedroom townhouse and sold for $200,000 when she bought it. After paying down payment, she financed the house by borrowing a 30-year mortgage. Mortgage interest rate is 4.25%. Right after closing, she rent out the house for $1,800 per month. In addition to mortgage payment and rent revenue, she listed the following information so as to figure out investment return: 1. HOA fee is $75 per month and due at end of each year 2. Property tax and insurance together are 3% of house value 3. She has to pay 10% of rent revenue for an agent who manages her renting regularly 4. Her personal income tax rate is 20%. While rent revenue is taxable, the mortgage interest is tax deductible. She has to make the mortgage amortization table to figure out how much interest she paid each year 5. In last five years, the market value of the house has increased by 4.8% per year 6. If she wants to sell the house today, the total transaction cost will be 5% of selling price Given the above information, please calculate the internal rate of return (IRR) of this investment in house

Can you show the math as far as formulas go?

Answers

Given the following information: Five years ago, someone used her $40,000 saving to make a down payment for a townhouse in RTP. The house is a three-bedroom townhouse and sold for $200,000 when she bought it. After paying down payment, she financed the house by borrowing a 30-year mortgage.

Mortgage interest rate is 4.25%. Right after closing, she rent out the house for $1,800 per month. In addition to mortgage payment and rent revenue, she listed the following information so as to figure out investment return: 1. HOA fee is $75 per month and due at end of each year 2. Property tax and insurance together are 3% of house value 3. She has to pay 10% of rent revenue for an agent who manages her renting regularly 4. Her personal income tax rate is 20%. While rent revenue is taxable, the mortgage interest is tax deductible. She has to make the mortgage amortization table to figure out how much interest she paid each year 5. In the last five years, the market value of the house has increased by 4.8% per year 6.

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solve the following simultaneous equations 5x+7y = 17 ; 7x+5y = 19

Answers

Answer:

\(x=2.\ y=1\)

Step-by-step explanation:

\(We\ are\ given\ the\ following\ pair\ of\ equations:\\5x+7y=17\\7x+5y=19\\Now,\\As\ the\ co-efficients\ of\ none\ of\ the\ algebraic\ terms\ match,\\We\ can\ take\ the\ LCM\ of\ their\ co-efficients;\\As\ the\ co-efficients\ of\ the\ x-terms\ are\ 5,7\ respectively;\\Their\ LCM\ is\ 35.\)

\(Hence,\\7(5x+7y)=7(17)\\-5(7x+5y)=-5(19)\\Hence,\\35x+49y=119\\-35x-25y=-95\\Hence,\\Adding\ the\ two\ equations\ we\ have:\\(35x+49y)+(-35x-25y)=(119)+(-95)\\(35x-35x)+(49y-25y)=119-95\\24y=24\\y=\frac{24}{24}=1\)

\(Now,\\Lets\ consider\ the\ First\ Equation:\\5x+7y=17\\Substituting\ y=1,\\5x+7*1=17\\5x+7=17\\5x=17-7\\5x=10\\x=\frac{10}{5}=2\\\\Together,\\x=2.\ y=1\)

A contractor is building a wheelchair ramp for a doorway. To meet ADA
guidelines the ramp must have a rise-run ratio of 2:15. What angle will a
ramp of this ratio make with the ground?

Answers

Answer:

pls show a picuture

Step-by-step explanation:

Did you know it takes about 40 pounds of olives to make 3 liters of olive oil? Orchard A grew about 2000 pounds of olives. How many liters of olive oil would this make?

Answers

Answer:

150

Step-by-step explanation:

Using the unitary method,we can say that 150  liters of olive oil it will make.

What is unitary method?The unitary method is a technique in mathematics for solving a problem by finding the value of a single unit, I.e.,1,(by dividing) and then finding the necessary value by multiplying the single unit value.A method of solving a problem that involves first determining the value of a single unit,And then multiplying that value to determine the required value.

According to the question,

40 pounds of olives to make 3 liters of olive oil.2000 pounds of olives will make 150  liters of olive oil.    3/40= 0.075 0.075 * 2000150

hence,We may estimate that 150 liters of olive oil will be produced using the unitary approach.

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the population of weights for men attending a local health club is normally distributed with a mean of 166-lbs and a standard deviation of 26-lbs. an elevator in the health club is limited to 33 occupants, but it will be overloaded if the total weight is in excess of 5940-lbs. assume that there are 33 men in the elevator. what is the average weight beyond which the elevator would be considered overloaded? average weight

Answers

This means that if the average weight of the men in the elevator is more than 180 lbs, the elevator would be overloaded.

To determine the average weight beyond which the elevator would be considered overloaded, we can follow these steps:
Find the total weight limit for 33 occupants: 5940 lbs.

Divide the total weight limit by the number of occupants to find the average weight per person: 5940 / 33 = 180 lbs.
Now, we need to find the difference between the average weight per person (180 lbs) and the mean weight of the population (166 lbs): 180 - 166 = 14 lbs.
Since we have the difference and the standard deviation (26 lbs), we can now calculate the Z-score:

Z = (difference) / (standard deviation) = 14 / 26 ≈ 0.54.
The average weight beyond which the elevator would be considered overloaded is 180 lbs.

The corresponding Z-score for this weight is approximately 0.54.

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please help me this is worth alot of points:(

please help me this is worth alot of points:(

Answers

SOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO

I´m sure this was already answered because for me it says it was from a while ago so ima just take tha points

THAMKSSSSSSSSSSSSSSSSSSSSSS

The projected worth (in millions of dollars) of a large company is modeled by the equation w = 241(1.06) t. the variable t represents the number of years since 2000. what is the projected annual percent of growth, and what should the company be worth in 2011?

Answers

Answer:

6%- 457 Million

Step-by-step explanation:

w=241(1.06)^11=457 million

Gina wants to make pumpkin pies for a Thanksgiving dinner. Thanksgiving. You need 8.8 pounds of squash and each pound it costs $0.93. How much will you spend

Answers

To calculate how much Gina will spend on squash for making pumpkin pies, we can multiply the required weight of squash by the cost per pound.

Weight of squash = 8.8 pounds

Cost per pound = $0.93

Total cost = Weight of squash * Cost per pound

= 8.8 * $0.93

= $8.16

Therefore, Gina will spend approximately $8.16 on squash for making pumpkin pies for Thanksgiving dinner.

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ssume that a sample is used to estimate a population mean . find the 95% confidence interval for a sample of size 49 with a mean of 21.5 and a population standard deviation of 19.4. enter your answer as an open-interval

Answers

The 95% confidence interval for the population mean is (16.426, 26.574

To find the 95% confidence interval, we can use the formula:

Confidence interval = sample mean ± (z-score)*(population standard deviation/√n)

where the z-score for a 95% confidence level is 1.96.

Plugging in the values given in the question, we get:

Confidence interval = 21.5 ± (1.96)*(19.4/√49)

Simplifying this expression, we get:

Confidence interval = 21.5 ± 5.074

Therefore, the 95% confidence interval for the population mean is (16.426, 26.574) as an open-interval.

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the ratio of pencils to erasers is 4:1 if there are 20 pencils how many earsers are there

Answers

There are 5 erasers to accompany the 20 pencils based on the given ratio.

If the ratio of pencils to erasers is 4:1, and there are 20 pencils, we can determine the number of erasers by setting up a proportion.

The proportion can be written as:

pencils/erasers = 4/1

Given that there are 20 pencils, we can substitute this value into the proportion:

20/erasers = 4/1

To solve for erasers, we can cross-multiply:

\(20*1=4*erasers\)

\(20 = 4*eraser\)

Since there is only 1 unit assigned to erasers, we multiply the unit value (5) by the number of eraser units (1) to find the total number of erasers, which is 5.

Dividing both sides by 4:

20/4 = erasers

5 = erasers

Therefore, there are 5 erasers.

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round off to nearest 100 to 221​

Answers

Step-by-step explanation:

hope helps you

have a good day

round off to nearest 100 to 221

The fourth term of a sequence is 375. Each term after the first is five times the previous term. Write an explicit function that models the general term of the sequence f(n)

Answers

The explicit function that models the general term of the sequence can be written as f(n) = 375 * 5^(n-4), where n represents the position of the term in the sequence.

In this sequence, each term after the first is obtained by multiplying the previous term by 5. The first term is not explicitly given, but we can deduce it by working backward from the fourth term. Since the fourth term is 375, the third term would be 375 divided by 5, which is 75. Continuing this pattern, the second term would be 75 divided by 5, which is 15. Finally, the first term would be 15 divided by 5, which is 3.

To generalize this pattern, we observe that each term is obtained by multiplying the previous term by 5. In other words, f(n) = 5 * f(n-1). We also know that f(1) = 3. By substituting the previous term's expression into the equation, we get f(n) = 5 * 5^(n-1) * f(1). Simplifying further, we have f(n) = 375 * 5^(n-4).

Therefore, the explicit function f(n) = 375 * 5^(n-4) models the general term of the sequence, where n represents the position of the term in the sequence.

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Prism a is similar to prism b. The volume of prism a is 2080 cm³. What is the volume of prism b? 260 cm³ 520 cm³ 1040 cm³ 16,640 cm³ a smaller prism with a side length of four centimeters. A larger, similar prism with a side length in the same position of eight centimeters.

Answers

Volume of B = 260 cm³ .

Given data:

Volume of the prism A = 2080

Now,

Let us find the ratio of the volume of prisms given in the diagram:

Va/Vb = 8³/4³

Vb = Va / 8

Since the condition is:

The volume of Prism A = The volume of Prism B

Therefore,

The ratio of their volumes should be 8.

Va/ Vb = 8

Since Volume of A = 2080

Plug-in the value, you would get:

2080 / 8 = Vb

Vb = 260cm³

Hence the volume of prism b is 260cm³ .

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What is the slope of a horizontal line?

Answers

Answer:

0

Step-by-step explanation:

determine the angle theta in degrees between the calculated vector and the x‑axis, measured counterclockwise from the x-axis.

Answers

You can find the angle θ in degrees between the calculated vector and the x-axis, measured counterclockwise from the x-axis.

To determine the angle θ in degrees between a calculated vector and the x-axis, measured counterclockwise from the x-axis, you can use trigonometry. The x-component and y-component of the vector are needed for this calculation.

Calculate the ratio of the y-component to the x-component of the vector:

y/x = tan(θ)

Use the inverse tangent function (arctan or atan) to find the angle θ:

θ = atan(y/x)

Convert the angle from radians to degrees by multiplying by 180/π:

θ_degrees = θ * (180/π)

By following these steps, you can find the angle θ in degrees between the calculated vector and the x-axis, measured counterclockwise from the x-axis.

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65 points
1. Find the pattern and then write a rule and an
equation that represents the pattern. Then
complete the table,
X= 0 2 10 16 20
Y= 0 1 5 8 10

Answers

Rule: Y is equal to the square root of X.

Equation: Y = √X

What is algebraic expression?

An algebraic expression is when we use b and words in solving a particular mathematical question.

In this table, the relationship between the values of X and Y appears to be Y = √X.

This can be expressed as a mathematical rule and equation as follows:

Rule: Y is equal to the square root of X.

Equation: Y = √X

We can use this rule to complete the table as following figure.

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65 points1. Find the pattern and then write a rule and anequation that represents the pattern. Thencomplete

The Death Star has 104 mile diameter. How many Death Stars could fit inside of Charon, Pluto's moon, with a radius of 377 mi? Round to the nearest whole number.

Answers

Rounded to the nearest whole number, we find that approximately 287 Death Stars could fit inside Charon.

To find out how many Death Stars could fit inside Charon, we need to compare their sizes based on their respective diameters.

The Death Star has a diameter of 104 miles, which means it has a radius of 52 miles (half of the diameter).

Charon has a radius of 377 miles.

To determine how many Death Stars can fit inside Charon, we can calculate the ratio of their volumes.

The volume of a sphere can be calculated using the formula: V = (4/3) * π * r^3

Let's calculate the volumes:

Volume of Death Star = (4/3) * π * (52)^3

Volume of Charon = (4/3) * π * (377)^3

Now, we can calculate the ratio:

Ratio = (Volume of Charon) / (Volume of Death Star)

Ratio ≈ [(4/3) * π * (377)^3] / [(4/3) * π * (52)^3]

Simplifying the equation:

Ratio ≈ (377^3) / (52^3)

Using a calculator, we find:

Ratio ≈ 40,289,753 / 140,608

Ratio ≈ 286.582

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solve the picture (: ill give brainlist if correct (:

solve the picture (: ill give brainlist if correct (:

Answers

Answer:

The answer for your question is A) 1/3

Step-by-step explanation:

as both 21 are like terms you can just add up 3 & 4 and do division

(would appreciate it if you could mark me the brainliest:))

given:

\( \frac{3}{21} + \frac{4}{21} \)

to find:

the simplest form.

solution:

\( \frac{3 + 4}{21} \)

\( = \frac{7}{21} \)

\( = \frac{1}{3} \)

hence, the correct answer is option A.

Which operation should you perform last in the expression 12 × 42?

Answers

Answer:

The order of operations requires that all multiplication and division be performed first, going from left to right in the expression.

Step-by-step explanation:

First, consider expressions that include one or
more of the arithmetic operations: addition,
subtraction, multiplication, and division. The
order of operations requires that all
multiplication and division be performed first,
going from left to right in the expression.
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