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dmitriy555 [2]
2 years ago
9

Does anyone know this

Mathematics
1 answer:
Tpy6a [65]2 years ago
4 0

Answer: 40

Step-by-step explanation:

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The diagram shows a regular pentagon with centre 0. Work out the size of angle x.
kherson [118]

Step-by-step explanation:

1. Use exterior angles (each adds up to 360) to find interior angles

2. Add this together

3.Take it away from 360

6 0
3 years ago
10. Mr. Schmidt's classes combined have 42 boys and 56 girls. He wants to divide them up into
Gemiola [76]

Answer:

A: 7

B: 8

C: 6

Step-by-step explanation:

You have to try to find the the same greatest factor of both of the numbers.

Since both of the numbers are divisible by 7 the number of groups equals 7.

So you divide the number of girls, which is 56, by 7, the number of girls in each group is 8.

Then you divide the number of boys, which is 42, by 7, the number of boys in each group is 6.

7 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5C%5B%5CBoxed%5C%5D%5C%20%5Cspace%5C%20Hello%20mathematicians" id="TexFormula1" title="\[\Box
kolezko [41]

Answer:

Step-by-step explanation:

Using 3.14 as pi.

Perimeter of a circle = 2*pi*radius

= 2*3.14*10

= 62.8 cm

Area of a circle = pi*radius*radius

= 3.14*10*10

= 314 cm^2

7 0
2 years ago
Read 2 more answers
Find volume and total surface area of the triangular prism. (prism attached)
VladimirAG [237]
Volume = 66cm^{3}
3 0
3 years ago
You score an 84 on the first of two exams. Write and solve an equation to find the score x that you need on the second exam to h
BlackZzzverrR [31]

Answer:

(84+x)/2=88   You need at least a ninety two.

Step-by-step explanation: First realize that average means the sum of all numbers divided by how many numbers there were. For that reason, I wrote the sum of the exams divided by two which equals eighty eight. Isolate the variable. Multiply two to the other side and subtract eighty four to get final answer.

3 0
3 years ago
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