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3 years ago

Which of the following options have the same value as 30% percent of 81?

Mathematics

1 answer:

Shkiper50 [21]3 years ago

5 0

Answer:

24.3

Step-by-step explanation:

30% of 81 can be found by converting the percentage into the fraction 0.30 and then multiplying: 0.30(81) = 24.3

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A = 8: b = ; C = 10.

lara [203]

Answer:

b=6

$a^{2} + b^{2} = c^{2} \\ {8}^{2} + {b}^{2} = {10}^{2} \\ 64 + {b}^{2} = 100 \\ 100 - 64 = {b}^{2} \\ 36 = {b}^{2} \\ \sqrt{36} = \sqrt{ {b}^{2} } \\ 6 = b$

8 0

3 years ago

(c+5)/(-2)=13<br><br> Someone please help

LiRa [457]

Answer:

-31

Step-by-step explanation:

-2((c+5)/(-2))=13*-2

c+5=-26

c=-31

8 0

3 years ago

Read 2 more answers

Explain how you can find the sign of the product of two or more rational numbers

mr_godi [17]

If the number of positive signs is even and the number of negative signs is odd then it is negative and vice versa. If the number of positive signs is even and the number of negative signs is even then the answer is odd. If the number of positive and negative signs are odd then the answer is always negative.

5 0

3 years ago

Write an expression that represents the sum of m and 5 divided by 14.

Dmitry [639]

Answer:

(m+5)/14

Step-by-step explanation:

Sum= addition. M+5

divided= division. dividing m+5 by 14.

6 0

2 years ago

What is the same as 3/5 and 4/7

kkurt [141]

Answer:

These are all the same questions with one answer. 0.6 is greater than 0.571. Therefore, 3/5 is greater than 4/7 and the answer to the question "Is 3/5 greater than 4/7?" is yes.

Step-by-step explanation:

6 0

3 years ago