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Artemon [7]
3 years ago
5

How many solutions does 3(x+2)=14-x have

Mathematics
1 answer:
scoundrel [369]3 years ago
3 0

Answer:

There is only one solution. x = 2

Step-by-step explanation:

3(x + 2) = 14 - x

3x + 6 = 14 - x

3x + x = 14 - 6

4x = 8

x = 2

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A new neighborhood activity complex is being built in erie. The perimeter of the rectangular playing field is 256 yards. The len
maw [93]

Answer:

The length of the rectangular playing field is 84 yards and the width is 44 yards

Step-by-step explanation:

Let

x ------> the length of the rectangular playing field

y -----> the width of the rectangular playing field

we know that

The perimeter of the rectangular playing field is equal to

P=2(x+y)

P=256\ yd

so

256=2(x+y) ------> equation A

we have that

x=2y-4 -----> equation B

Solve the system by substitution

Substitute equation B in equation A and solve for y

256=2(2y-4+y)

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Find the value of x

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therefore

The length of the rectangular playing field is 84 yards and the width is 44 yards

4 0
3 years ago
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Rzqust [24]
t stands here for time.
8 0
3 years ago
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Gavyn was thinking of a number.gavyn halves it and gets an answer of 9.4 what was the original number?
kupik [55]
Answer:

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3 0
3 years ago
Can someone help me answer these two questions
andrew11 [14]

Answer:

C) 7=y=5x+11

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Step-by-step explanation:

<u>Problem 1:</u>

A function is linear if its slope is constant and/or its graph is straight (that means 1-degree polynomials only). Therefore, C is the only correct answer.

<u>Problem 2:</u>

Convert to slope-intercept form (y=mx+b):

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Now we can see that since the original equation is in slope-intercept form (y=mx+b), the slope, m, is -4/5, and the y-intercept, b, is 13/5, making option B the correct answer.

8 0
3 years ago
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