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2 years ago

Algebra Vocab help? (25 points)

Mathematics

1 answer:

oee [108]2 years ago

6 0

3
6
1
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I hope this helps :)

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This design shows several circles with the same center. The total radius of the design is 8 inches. The angle shown has a measur

Burka [1]

Answer:

11.33 in. to the nearest hundredth.

Step-by-step explanation:

The perimeter of the shaded area = length of the 2 straight lines + the length of the 2 arcs = 4 + length of the 2 arcs.

Calculate the length of the outer arc:

This equals (30 / 360) * perimeter of the largest circle

= 1/12 * 2 π * 8

= 4/3 π in.

The inner circle has a radius of 8 - 2 = 6 ins

so the length of the inner arc

= 1/12 * π * 2 * 6

= π in.

So the perimeter of the shaded region = 4 + 4/3 π + π

= 4 + 7π/3

= 11.33 in.

7 0

2 years ago

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A rectangle prism has a square base of 12 inches and a height of 7 inches. What is the volume of the prism?

Natali [406]

1,008 is the answer I got

3 0

3 years ago

What is the answer to number 23 ?

Vera_Pavlovna [14]

Answer:

Step-by-step explanation:

Use πr²

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2 years ago

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What number is half-way between thirteen and thirty-one

mars1129 [50]

$\frac{13 + 31}{2} = \frac{44}{2} = 21$

Answer: 21

3 0

3 years ago

Julie invested 3000 in a simple interest account for 2 years. At the end of the 2 years, she had earned $75 in interest. What wa

Dahasolnce [82]

The simple interest rate was: 1.25%

Step-by-step explanation:

Simple interest is given by:

$A = Prt\\Here\\A => Interest\\P=>Principal\ Amount\\r => Rate\\t => Time\ in\ years$

Given

Principal amount =$3000

Time = t = 2 years

Interest amount = A = $75

putting the values in the formula

$75 = 3000 * r * 2\\75 = 6000r$

Dividing both sides by 6000

$\frac{6000r}{6000} = \frac{75}{6000}\\r = 0.0125\\$

So,

The rate is:

0.0125 * 100 = 1.25%

Hence,

the simple interest rate was: 1.25%

Keywords: Simple interest, percentage

Learn more about interest at:

#LearnwithBrainly

5 0

3 years ago