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2 years ago

Which of the following is equivalent to 5 · (7 · 4)? *

1 answer:

8 0

B because you multiply 7 times 4 that’s 28 then times 5 that’s 140 so for b you do 5 times 7 that’s 35 then times 4 that’s 140 so b is the correct answer, hope it helps

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Simultaneous Equation

makkiz [27]

Answer:

x = 5 ,

y = 3

Use substitution method .

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3 years ago

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-4(-6 - 2n) = 30 + 8n

kati45 [8]

Answer:

n=6/4

Step-by-step explanation:

-4(-6-2n)=30+8n

24+12n=30+8n

-24 =-24

12n=6+8n

-8n = -8n

4n=6

n=6/4

8 0

2 years ago

Last answer option is

wel

statements 1, 3, 4 are correct

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3 years ago

The sum of 42 fish and x fish is 68 fish. What is the unknown number of fish?

lozanna [386]

Answer:

the unknown number of fish is 26

Step-by-step explanation:

I figured this out by subtracting 68 - 47 = x.

x = 26

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2 years ago

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Find the volume of this 1/4 cylinder after removing the inner part

denpristay [2]

28-21=7

thickness = 2x7=14

$volume = \frac{1}{4} \pi \times h( {ro}^{2} - {ri}^{2} ) \\ = \frac{1}{4} \times 3.14 \times 14( {35}^{2} - {21}^{2} ) = 8620.276$

3 0

2 years ago