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2 years ago

Which expression represents the following calculation?

Mathematics

2 answers:

mrs_skeptik [129]2 years ago

5 0

Answer:

7.4 x (87-24)

Step-by-step explanation:

The translation is that you multiply the difference of two numbers. So you must get the difference first, that's why you put parenthesis around 87-24. Your answers are sideways and are hard to read, so I'll just give you the correct answer without the answer choice.

adell [148]2 years ago

5 0

Answer:

The answer is d

Step-by-step explanation:

Because b and c are out of order answer you should have parenthesis around the numbers to separate so it would be d.

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Akimi4 [234]

Answer:

The answer is 21

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6 0

2 years ago

What is the answer? x+y=15 -2x+5y=-2

zavuch27 [327]

Multiply the first equation by 2

2x + 2y =30

now we’ll add the second equation to the first equation

2x + 2y =30
-2x+5y= -2

7y=28

divide by 7

y=4

now plug y back into the first equation

x + 4 = 15

subtract 4

x=11

6 0

2 years ago

A: 28, 23,30, 25, 27

Serggg [28]

Answer:

Step-by-step explanation:

mean of A=28+23+30+25+27/5 = 26.6

average of B=22+19+15+17+20/5 = 18.6

now,

difference= 26.6-18.6

=8,,

6 0

3 years ago

Can someone help me please?

Zinaida [17]

I think the answer is c sorry if I’m wrong

6 0

2 years ago

Item 29 Divide. 6.8÷4 6.8÷4

Ket [755]

Answer:

1.7

Step-by-step explanation:

You can just use a calculator to make the work easier.

7 0

2 years ago