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ludmilkaskok [199]
3 years ago
5

How to find the perimeter of a half circle

Mathematics
1 answer:
Mariana [72]3 years ago
6 0
First you find perimeter of circle and then divide with 2 to find the perimeter of a half circle

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I need this answer worked out 24.5 = - 2.5c - 4c
mote1985 [20]
24.5= <span><span>−<span>2.5c</span></span>−<span>4<span>c
</span></span></span><span>24.5=<span><span><span>−<span>2.5c </span></span>+ </span>−<span>4c</span></span></span><span>24.5 = <span>(<span><span>−<span>2.5c</span></span>+<span>−<span>4c</span></span></span>) </span></span><span>24.5=<span>−<span>6.5c </span></span></span><span>24.5=<span>−<span>6.5<span>c
</span></span></span></span><span>−<span>6.5c</span></span>=<span>24.5
</span><span><span><span>−<span>6.5c </span></span><span>− 6.5 </span></span>=<span>24.5 <span>− 6.5 </span></span></span><span>c=<span>−<span>3.769231
These are all the steps that you do to solve this equation. I worked it out fully and the answer is above these words.</span></span></span>
8 0
4 years ago
Need help this is really hard
ioda

Answer:

3

Step-by-step explanation:

5 0
3 years ago
309 ,009 ,990 in expanded form
Mrac [35]

300 + 0 +9,

0 + 0 + 9

900 + 90

8 0
3 years ago
How are rational numbers and Integers similar? How are they different?
saveliy_v [14]

Answer:

Every integer is a rational number, since each integer n can be written in the form n/1. For example 5 = 5/1 and thus 5 is a rational number. However, numbers like 1/2, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers. They are different because Integers include all whole numbers and their negative counterpart e.g. … -4, -3, -2, -1, 0,1, 2, 3, 4,… is a rational number but not an integer. All rational numbers belong to the real numbers. If two numbers are at the same distance from 0 as in the case of 10 and -10 they are called opposites.

Step-by-step explanation:

4 0
4 years ago
Read 2 more answers
Help a friend in need
mafiozo [28]

a) 4.71ft

b) 3.53ft^2

Step-by-step explanation:

Perimeter is 1/2 the circumference

1/2 Circumference = 2*pi*radius

Radius = 1/2 Diameter

Radius = 3/2 = 1.5ft

Circumference = 2*pi*1.5ft = 9.42

1/2 Circumference = 4.71

4.71ft is the perimeter.

The area is 1/2 that of a full circle

A = pi*r^2

A = 3.14*1.5*1.5

A = 7.065ft^2

1/2 A = 3.53ft^2

7 0
3 years ago
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