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Luda [366]
2 years ago
9

Question 6 of 10

Mathematics
1 answer:
OLEGan [10]2 years ago
5 0

Answer: y = 0 and x = -1

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Stacey has a square piece of cloth. She cuts 3 inches off of the length of the square and 3 inches off of the width. The area of
ratelena [41]

Answer:

The side length of the original square was 6 inches

Step-by-step explanation:

we know that

The area of a square is

A=b^2

where

b is the length side of the square

Let

x ---> the length of the original square

The area of the original square is

A=x^{2}\ in^2

The length of the smaller square is

b=(x-3)\ in

The area of the smaller square is

A=(x-3)^2\ in^2

The area of the smaller square is 1/4 the area of the original square

so

(x-3)^2=\frac{1}{4} x^{2}

solve for x

x^2-6x+9=\frac{1}{4} x^{2}

Multiply by 4 both sides

4x^2-24x+36=x^{2}

4x^2-x^2-24x+36=0\\3x^2-24x+36=0

Solve the quadratic equation by graphing

using a graphing tool

x=2, x=6

see the attached figure

The solution is x=6 in

Remember that the solution must be greater than 3 inches (because Stacey cuts  3 inches off of the length of the square and 3 inches off of the width)

therefore

The side length of the original square was 6 inches

3 0
2 years ago
Justin recently started working for a company that pays him $11.40 per hour. He is expected to work a total of 251 days for 8 ho
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Answer:

22,891.20

Step-by-step explanation:

I took this quiz and got it right.

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2 years ago
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Celina can walk 4 miles in 1 hour and can run 8 miles in 1 hour. What percent of Celina’s average running speed is her average w
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Okay. So, we're looking for the percentage of Celina's running speed as her walking speed. Her running sped is 8 mph and her walking speed is 4mph. All we have to do is 4/8 = x/100. You put change/original and x/100, because we're looking for the percent of change from running speed to walking speed.  Cross multiply the values to get 400 = 8x. Divide each side by 8 to isolate the "x". 400/8 is 50. x = 50. Celina's walking speed is 50% of her running speed. The answer is B: 50%.
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The owner of a sandwich shop researches the cost of buying different numbers of pounds of sandwich meat. The owner creates a sca
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Answer:

what r the statementzsssssssssssssssssssssssssssssssssss

Step-by-step explanation:

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Huixian mother buys some shares of company A on day 0. on day 7, the share price of company a is $4.60. if she sells all her sha
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I think that u might want to do the share the company money i could be wrong but if i sm sorry

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