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Natali [406]
2 years ago
11

13 is 29% of what number?

Mathematics
1 answer:
Zielflug [23.3K]2 years ago
4 0

13/23% = 1300/23 (56.52)

<em>Therefore, 13 is 29% of 1300/23 (56.52)</em>

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The volume of a pyramid varies jointly with the base area of the pyramid and its height. The volume of one pyramid is 35 cubic i
Alla [95]
You first might want to divide 36 by 3, giving you 12. Multiply 12 by 5, which results in your answer of 60in^3. The equation for this is V = 1/3(blh)
6 0
2 years ago
a class has 60 students.Given that 85% passed a science test. Find the number of students who failed and then convert o %
Vanyuwa [196]

Given:

Total students = 60

Student passed = 85%

To find:

The number of students who failed and  then convert it in %.

Solution:

We have,

Number of passed student = 85% of Total students

                                            = \dfrac{85}{100}\times 60

                                            = 51

So, number of passes students is 51.

Number of students who failed = Total students - Passes students

                                                    = 60-51

                                                    = 9

So, number of students who failed is 9.

\text{Fail}\%=\dfrac{\text{Failed students}}{\text{Total students}}\times 100

\text{Fail}\%=\dfrac{9}{60}\times 100

\text{Fail}\%=15

Therefore, 15% students fail in the test.

7 0
2 years ago
The sum of two numbers is 310. The difference between the two numbers is 24. a. Find the smaller number, b. Find the greater num
Julli [10]

Answer:

143 and 167 hope this helps

7 0
2 years ago
Read 2 more answers
(Science question)
cestrela7 [59]
I believe the fourth one is the answer.
4 0
3 years ago
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Does a triangle with side lengths 7, StartRoot 80 EndRoot, and StartRoot 31 EndRoot from a right triangle?
AlladinOne [14]

Answer and Step-by-step explanation:

The sides we have are 7, \sqrt{80} , and \sqrt{31} .

The square root of 80 is less than 9 but greater than 8 (because 8^2 is 64, 9^2 is 81, and 80 is in between those two values), and the square root of 31 is definitely less than the square root of 80.

So, \sqrt{80} is the longest side.

1) The square of \sqrt{80} is: (\sqrt{80} )^2=80

2) The sum of the squares of the two shorter sides is:

7^2+(\sqrt{31} )^2=49+31=80

3) Since the square of the longest side is equal to the sum of the squares of the two shorter sides, by the Pythagorean Theorem, the triangle is a right triangles.

Hope this helps!

4 0
2 years ago
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