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Marrrta [24]
2 years ago
8

Alebgra!!

Mathematics
2 answers:
alukav5142 [94]2 years ago
6 0
Perimeter is the sum of all the sides
A rectangle has four sides=2L+2W

2(2w+7)+2w
4w+14+2w
=6w+14

Please mark as brainliest if it’s correct
Vikentia [17]2 years ago
4 0

Answer:

I think it's 18

Step-by-step explanation:

P=2(l+w)=2(7+2)=18

it's been awhile I believe this is it

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Suppose m varies directly as the square of n.<br> If m = 187.2 when n = 12, what is m when n = 20?
Alona [7]
Answer below as attachment. m=520

3 0
2 years ago
Solve for x in the diagram below.<br> 100°<br> 20<br> 2=
ad-work [718]

Answer:

x = 40

Step-by-step explanation:

The answer is x = 40. This is because the two angles that are x are 1. congruent and 2. supplementary with 100° (They all add up to 180°). I can show this with a simple equation.

1. 2x + 100 = 180

2. 2x = 80

3. x = 40

Hope this helps! (Please consider giving brainliest)

3 0
3 years ago
A line passes through (9, –9) and (10, –5).Write an equation for the line in point-slope form.
CaHeK987 [17]
Y - y1 = [-9-(-5)]/[(9-10] * (x - x1)

y - (-9) = [-9 + 5] / [-1] * (x - 9)

y + 9 = (-4) / (-1) * (x - 9)

y + 9 = 4(x - 9)

y + 9 = 4x - 36

y = 4x - 36 - 9

y = 4x - 45  This is the slope - intercept form.

y - 4x + 45 = 0 This is the standard form
5 0
2 years ago
How large is one side of the square garden plot in meters
Anna [14]
<span> Seeing as area = length X width, we can say that 3 meters X 12 meters = </span>36… meters<span>. With that statement, it can be assumed that (since the area of the square and rectangle are equal) the area of the square is 36.</span>
7 0
2 years ago
4x+1=9+4y please help me solve for x please show step by step I’m very confused
Inessa05 [86]

Answer:

<em>x - y = 2</em>

Step-by-step explanation:

First of all, you would combine like terms, giving you 4x - 4y + 1 = 9.

Next, subtract the numbers, which gives you 4x - 4y = 8.

Finally, divide both sides by 4, which will come to the conclusion of x - y = 2, the simplest form of which this equation can be broken down to.

7 0
3 years ago
Read 2 more answers
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