4 years ago

How to get ready for a test the next day

Mathematics

2 answers:

sertanlavr [38]4 years ago

8 0

You can study for your test tomorrow or cheat

11Alexandr11 [23.1K]4 years ago

6 0

Cram cramming all the info is your only hope...or cheat

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If the area of a circle is 121pie square units, what is the diameter

velikii [3]

Since you are given the area, we can solve for radius with this equation:
$A_c = \pi r^2$
$r = \sqrt{ \frac{A_c}{ \pi } } = \sqrt{ \frac{121 \pi }{ \pi } } = \sqrt{121} = 11$

The radius is 11, so the diameter must be 2 times that, which is 22. With the correct units, the answer is 22 units²

4 0

3 years ago

You and your friend went shopping. You bought 2 hats and 3 pairs of gloves for $28.25. Your friend bought 1 hat and 1 pair of gl

vodomira [7]

Answer:

One pair of gloves costs $3.75.

Step-by-step explanation:

Systems of equations

x=hats y=gloves

2x+3y=28.25

x+y=12.25

2(12.25-y)+3y=28.25

24.5+y=28.25

y=3.75

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3 years ago

Plz help me: what is the solution for : |x| -6 = 4

Lisa [10]

Answer:

x can be 10 or -10

Step-by-step explanation:

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4 years ago

Read 2 more answers

To which sets of number does -12 belong

exis [7]

Answer:

-12 belongs to real numbers, rational numbers, and Integers...

Step-by-step explanation:

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4 years ago

What is equivalent to (160 times243)1/5th

kirza4 [7]

9514 1404 393

Answer:

480

Step-by-step explanation:

The expression evaluates to ...

160·243^(1/5) = 160·(3^5)^(1/5) = 160·3 = 480

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3 years ago