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r-ruslan [8.4K]

3 years ago

8

Writing to Explain: A circle is divided into 18 equal parts. How many degrees is the angle for each part??How many degrees is th

e angle for 5 parts? Explain.

1 answer:

max2010maxim [7]3 years ago

7 0

A circle has 360 dehrees

360 degrees / 18 equal parts = 20 degrees per part

360 degrees / 5 equal parts = 72 degrees per part

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2 5/7+4 3/5= help please

Ainat [17]

Answer:

$7\frac{11}{35}$

Step-by-step explanation:

$2\frac{5}{7}+4\frac{3}{5}$

add the whole numbers

$2+4=6$

combine the fractions

$\frac{5}{7}+\frac{3}{5}$

LCM is 35 because 7 * 5 =35

$\frac{5}{7}=\frac{5\cdot \:5}{7\cdot \:5}=\frac{25}{35}$

$\frac{3}{5}=\frac{3\cdot \:7}{5\cdot \:7}=\frac{21}{35}$

$\frac{25}{35}+\frac{21}{35}=\frac{25+21}{35}$

$=\frac{46}{35}$

change the improper fraction into mixed number

$6+1\frac{11}{35}$

$=7\frac{11}{35}$

3 0

3 years ago

Solve the equation.<br> -5=x+3<br> Ox=3<br> Ox=-3<br> Ox=8<br> Ox=-8

weqwewe [10]

Answer:
x= -8

Explain:
You first have to make the variable by itself so you subtract 3 on both sides. The x is by itself and you finish by subtracting -5 to 3 and you get the answer x = -8

Hope this helps

3 0

3 years ago

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Solve For X. Solve similar triangles (advanced)

satela [25.4K]

4+3 = 7
7^2 +6^2
49+36 = 85
Radical85 = 9.21
So x will be 3.9

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A plane traveled 1100 miles each way to Cairo and back. The trip was with the wind. It took 11 hours. The trip back was into the

GuDViN [60]

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Step-by-step explanation:

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396 divided by 88 with work shown

RSB [31]

The answer is 4.5, I hope this helps.

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3 years ago