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vazorg [7]
3 years ago
6

Solve for x. Then find the length of each side of the figure.

Advanced Placement (AP)
2 answers:
Kaylis [27]3 years ago
4 0
#51 Write 2x+3(to the power of 2) +
x+2(to the power of 2)=46.

Do that and you should have 4x+9+2x+4=46.

Combine like terms and get 6x+13=46.

Subtract 13 from 46 and you should have 6x=(answer).

Now divide your answer by 6 and that is your x.

Let's JUST SAY that x is 6. You would plug it in as 2(6)+3 and get that side, and 6+2 and get that side. You would get 15 and 8. You know that there are 4 sides so you would do 15(2)+8(2) and get your perimeter! Remember from "Let's JUST SAY" to "perimeter!" is an example.
choli [55]3 years ago
4 0
14-2x + 2x+1 + 3X-1 = 26
14+3x=26
3x=12
x=4

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If a line crosses the y-axis at (0, 1) and has a slope of '4/5 , what is the equation of the line?
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Answer:

y = \frac{4}{5}x + 1

Explanation:

A line has a general equation of

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Since (0,1) is the value of y when x = 0, it is the point of intersection of the line with the y-axis, hence the y-intercept is b=1.

We are given the slope is m = \frac{4}{5}

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y = \frac{4}{5}x + 1

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