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Arisa [49]
3 years ago
8

Pleeeaaassseee hhhheeeelllpppp on problems 5 and 8 ASAP please ill give you brainliest.​

Mathematics
1 answer:
Svetach [21]3 years ago
8 0

Answer:

5) 350 girls

8) all but irrational, that is, {natural, whole, integer, rational}

Step-by-step explanation:

5) The total number of ratio units is 5+7=12. The total number of students is 600, so each ratio units stands for 600/12 = 50 students. Then the 7 ratio units that are girls stand for 7·50 = 350 girls.

__

8) √100 = 10, a natural number, whole number, integer, and rational number. Since it is rational, it is not irrational.

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Which congruence statement is true.!?
andreyandreev [35.5K]

Step-by-step explanation:

\\ \triangle ABC \cong \triangle DFE \\

6 0
3 years ago
Will give brainiest!!!
sashaice [31]

Answer:

616/2500

Step-by-step explanation: You first have to find the number of times a Blue marbles was chosen: 22

Then find the total number of marbles that were chosen. Make a fraction out of it: 22/50

You then see how many times tails was flipped: 28

Do the same thing again: 28/50

Then multiply the two fractions together:

22/50 * 28/50 = 616/2500

7 0
3 years ago
Suppose x=7 is a solution to the equation 4x-2(x+a)=8 how can you find the value of a that make the equation true
marta [7]

Answer:

a = 3

Step-by-step explanation:

Since x = 7 is a solution, substitute x = 7 into the equation and solve for a

4(7) - 2(7 + a) = 8 , that is

28 - 2(7 + a) = 8 ( subtract 28 from both sides )

- 2(7 + a) = - 20 ( divide both sides by - 2 )

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a = 3

8 0
2 years ago
Help 1-8 I need answers and show work!!!
agasfer [191]

Answer:

hope this helps you out good luck

6 0
2 years ago
6. Regroup the numbers in the following problems, putting the numbers that add up to 10 or a multiple of 10 in parentheses.
svetoff [14.1K]

Answer:

a) (2+8)+9

b) (3+7)+5+4

c) (4+16)+2

d) (31+9)+4

Step-by-step explanation:

a) 2+9+8

2 and 8 add up to 10, so we regroup them in parentheses

(2+8)+9


b) 3 + 5 + 4 + 7

3 and 7 add up to 10, so we regroup them in parentheses

(3+7)+5+4


c) 4 + 2 + 16

4 and 16 add up to 20 which is a multiple of 10, so we regroup them in parentheses

(4+16)+2


d) 31 + 4 + 9

31 and 9 add up to 40 which is a multiple of 10, so we regroup them in parentheses

(31+9)+4

4 0
3 years ago
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