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Mariulka [41]
3 years ago
5

Which expressions are equivalent when m=1 and m=4? (picture attached)

Mathematics
2 answers:
laiz [17]3 years ago
8 0

Answer:

Option 2 is correct.

Step-by-step explanation:

Given the expressions

\text{5m-3 and 2m+5+m}

\text{3m+4 and m+4+2m}

\text{2m+7 and 3m-3+m}

\text{5m+3 and 4m+2+2m}    

we have to choose the option for which the expressions are equivalent when m=1 and m=4.

The substitution of values shown in table in attachment.

The only option 2 which gives the same values for m=1 and m=4 in both the expressions.

∴ Option 2 is correct.

Neporo4naja [7]3 years ago
4 0
The second one is the only equivalent equation. Simply plug in each variable in each equation. And compare!
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abruzzese [7]
Answer:
$1.21

Explanation:
What we know:
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- price went up by $0.75 per pound

First, we divide $5.88 by 3 to find out how much one pound of apples cost.

5.88/3
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Therefore, the new price of apples per pound is $1.96.

Because the old price of apples per pound was $0.75 cheaper, we subtract 0.75 from 1.96.

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Therefore, the old price of apples per pound was $1.21.

I hope this helps! Please comment if you have any questions.
7 0
3 years ago
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Solve by completing the square and show steps <br> x^(2)+6x+5=0
Crazy boy [7]
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4 0
3 years ago
A Gardner is planting two types of trees
Nina [5.8K]

It will take 6 years for the trees to have same height.

Step-by-step explanation:

Type A tree;

Initial height = 9 feet

We will convert feet into inches because growth is in inches.

1 feet = 12 inches

9 feet = 12*9 = 108 inches

Growth rate = 6 inches per year

Let,

x be the number of years.

A(x) = 108 + 6x

Type B;

Initial height = 4 feet = 4*12 = 48 inches

Growth rate = 16 inches per year

B(x) = 48 + 16x

The height will be same, when functions are equal

A(x) = B(x)

108+6x=48+16x\\108-48=16x-6x\\60=10x\\10x=60

Dividing both sides by 6

\frac{10x}{10}=\frac{60}{10}\\x=6

It will take 6 years for the trees to have same height.

Keywords: function, division

Learn more about division at:

  • brainly.com/question/3614284
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