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3 years ago

Why does it make sense to use 22/7 as the estimate for pi?

1 answer:

5 0

22/7 makes sense to use as the estimate for pi because dividing 22 by 7 results in the decimal "3.14" to the hundredths place.

Hope this helped!

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The diagram above shows a square PQUV and a regular pentagon QRSTU.<br>Find the value of x.

Misha Larkins [42]

Answer:

Each interior angle of a pentagon equals 108 degrees.

Therefore Angle U = 108 degrees.

The angle of the square is 90 degrees.

Therefore, Angle x = 360 - 108 -90 degrees = 162 degrees!

Step-by-step explanation:

3 0

2 years ago

In a coordinate plane what is the difference between (-3 1/2, 4) and (2 1/2)?

Gala2k [10]

Answer:

Step-by-step explanation:

By difference I think you mean how far away from? I don't really know what you mean by this but I will try to help.

1/2-4=-3 1/2

2-(-3 1/2)=5 1/2

5 1/2

Above is a fraction.

I hope that I helped. Sorry if it wasn't the answer you were looking for.

4 0

2 years ago

Can you answer this for me plssss 0.5(r+2.75)=3

lora16 [44]

Step-by-step explanation:

0.5 ( r + 2.75 ) = 3

r + 2.75 = 3 / 0.5

r + 2.75 = 6

r = 6 - 2.75

r = 3.25

4 0

3 years ago

Read 2 more answers

Find the cost price when,<br>(a) Selling price = Rs 725 and 15% gain

Debora [2.8K]

Step-by-step explanation:

Selling Price (SP) = Rs. 725

profit rate (P%) = 15 %

Now

Cost Price (CP)

$= \frac{sp \: \times 100}{100 + p\%} \\ = \frac{725 \times 100}{100 + 15} \\ = \frac{72500}{115} \\ = rs \: 630.42$

4 0

3 years ago

What is the boundary line for the linear inequality 4x + 2y < 18?

Cloud [144]

Answer:

Simplifying

x = 4.5 + -0.5y

Step-by-step explanation:

4 0

2 years ago