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ycow [4]
3 years ago
13

The other answer choice is 30

Mathematics
1 answer:
il63 [147K]3 years ago
8 0

Answer:

21 pencils

Step-by-step explanation:

b 21 pencils

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The squares on the two legs of a right triangle have an area of 20 cm and 5 cm, what is the area of the square on the hypotenuse
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I think the answer is 125 cm
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Perimeter and area of a rectangular figure has a perimeter of 34cm its length is 9cm​
Artemon [7]

Answer:

Perimeter of rectangle = 32

Step-by-step explanation:

32 = 2(L+B)

L+B=16

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If 25x2- 49y2 has one factor (5x-7y), then the other factor is…..
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3 years ago
1 more than twice as many CDs is 17
Zinaida [17]

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3 years ago
A student prepares for an exam by studying a list of 10 problems. She can solve 8 of them. For the exam, the instructor selects
lianna [129]

Answer:

Probability to solve 7 problem will be equal to \frac{1}{15}

Step-by-step explanation:

It is given total number of question = 10

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Probability will be equal to ratio of favorable outcome to total sample space

Favorable outcome will be equal to ^8c_7

Total sample space =^{10}c_7

So probability will be equal to P=\frac{^8C_7}{^{10}C_7}=\frac{6}{90}=\frac{1}{15}

So probability to solve 7 problem will be equal to \frac{1}{15}

5 0
4 years ago
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