3 years ago

A dog pen 10 ft by 30 ft is needed. You need to decide how much fence is needed. What concept is used to solve the problem?

Mathematics

1 answer:

MrRa [10]3 years ago

3 0

Are there any answer chocies ?

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3x+30+x=10+2x+5x+2 <br> i need help fast

kupik [55]

Answer:

x=6

Step-by-step explanation:

Group Like Terms:

3x+x+30=10+2x+5x+2

Add similar elements 3x+x=4x:

4x+30=10+2x+5x+2

Add similar elements 2x+5x=7x:

4x+30=10+7x+2

Group like terms:

4x+30=7x+10+2

Add the numbers 10+2=12:

4x+30=7x+12

Subtract 30 from both sides:

4x+30-30=7x+12-30

Simplify:

4x=7x-18

Subtract 7x from both sides:

4x-7x=7x-18-7x

Simplify:

-3x=-18

Divide both sides by -3:

$\frac{-3x}{-3} =\frac{-18}{-3}$

Simplify:

x=6

Hence, the correct answer is 6

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2 years ago

8. Mark chose a number between 0.437 and 0.436 and multiplied it by 4. Then, he

Dvinal [7]

Answer:

y=¾(4x-20)

y=3x-15

Final answer= y - 3(x+12)

=y - 3x-36

=3x-15-3x-36

= -51

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3 years ago

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Write down all the prime numbers between 15 and 25

Tju [1.3M]

17,19,23 are the prime numbers

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3 years ago

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Solve the inequality x - 3 > 7

Katen [24]

Answer:

x > 10

Step-by-step explanation:

Given

x - 3 > 7 ( add 3 to both sides )

x > 10

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3 years ago

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Help what is 2v+5(3v+4

Artemon [7]

explanation:

There isn't an exact way to answer this problem. Is there more to the question? If not, I am unable to answer it for you.

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3 years ago