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3 years ago

7

PLEASE HELP!!!!!!

1 answer:

katen-ka-za [31]3 years ago

5 0

1. group 1: 4 people: group 2: 5 people
2. group 1: 6 people group 2: 3 people
3. group 1: 3 people group 2: 6 people
4. group 1: 2 people group 2: 7 people
5. group 1: 7 people group 2: 2 people
6. group 1: 8 people group 2: 1 person
7. group 1: 1 person group 2: 8 people
8. group 1: 9 people group 2; 0 people
9. group 1 : no people group 2: 9 people

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The diameter of a circle measures 14 m. What is the circumference of the circle?

sergey [27]

Answer:

Step-by-step explanation:

The circumference is either pi*d or 2 pi r

Use pi*d

3.14 * 14 = 43.96

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2 years ago

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Please help!! With step by step

Sever21 [200]

Answer:

$R=\$145.12$

Step-by-step explanation:

<u>Compound Interest</u>

This is a well-know problem were we want to calculate the regular payment R needed to pay a principal P in n periods with a known rate of interest i.

The present value PV or the principal can be calculated with

$P=F_a\cdot R$

Solving for R

$\displaystyle R=\frac{P}{F_a}$

Where Fa is computed by

$\displaystyle F_a=\frac{1-(1+i)^{-n}}{i}$

We'll use the provided values but we need to convert them first to monthly payments

$i=7\%=7/(12\cdot 100)=0.00583$

$n=3*12=36$

$\displaystyle F_a=\frac{1-(1+0.00583)^{-36}}{0.00583}$

$F_a=32.386$

Thus, each payment is

$\displaystyle R=\frac{4,700}{32.386}=145.12$

$\boxed{R=\$145.12}$

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3 years ago

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Find the area of the shaded regions.

koban [17]

Answer:

A = 27π cm² or about 84.8 cm²

Step-by-step explanation:

Area of a full circle is πR²

As there are four right angles making up a 360° turn, and the missing piece is one of those four, there are ¾ of a circle remaing

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