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2 years ago

8

James estimated the total cost of groceries to be $50. The actual cost of the groceries is $65. What is the percent error? Round

your answer to the nearest whole percent. Enter your answer in the box. [ ] %

1 answer:

diamong [38]2 years ago

6 0

Answer:

Was it James charles who estimated the total cost

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(05.01)A scale drawing of a living room is shown below. The scale is 1 : 40.

matrenka [14]

Answer:

$A=266\frac{2}{3}\ ft^2$

Step-by-step explanation:

we know that

The scale is $\frac{1}{40}$

That means

1 unit in the drawing represent 40 units in the actual

or

1 inch in the drawing represent 40 inches in the actual

step 1

Find the actual dimensions of the living room

Multiply the dimensions of the living room in the drawing by 40

$Length:\ 6(40)=240\ in$

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step 2

Convert inches to feet

Remember that

$1\ ft=12\ in$

To convert inches to feet , divide by 12

so

$Length:\ 240\ in=240/12=20\ ft$

$Width:\ 160\ in=160/12=\frac{40}{3}\ ft$

step 3

Find the area in square feet

Multiply the length by the width

$A=(20)(\frac{40}{3})=\frac{800}{3}\ ft^2$

Convert to mixed number

$A=\frac{800}{3}\ ft^2=\frac{798}{3}+\frac{2}{3}=266\frac{2}{3}\ ft^2$

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2 years ago

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snow_lady [41]

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Using y=mx+b find the slope for<br> 7) 8x + 3y = −9

malfutka [58]

Answer:

-8/3

Step-by-step explanation:

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Let's make y the subject of the formula.

y = - 9/3 - 8x/3

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