Answer:10
Step-by-step explanation:
multiply
10x2=20
5x2=10
20+10=30
-m-4=-13
-m=-13+4=-9
m=9
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Answer:
Step-by-step explanation:
<u>The slope-intercept form:</u>
- y = mx + b, where m- slope, b- y-intercept
<u>Use point (5, -3) and m = -4/5:</u>
- -3 = -4/5*5 + b
- -3 = -4 + b
- b = -3 + 4
- b = 1
<u>The line is:</u>
Answer:
Length = 18 in
Width = 15 in
Step-by-step explanation:
We have that the area of a rectangle is:
A = L * W
but L = 1.2 * W
A = 1.2 * (W ^ 2)
1.2 * (W ^ 2) = 270
(W ^ 2) = 270 / 1.2
W ^ 2 = 225
Therefore, W is equal to:
W = 225 ^ (1/2)
W = +/- 15, but only +15 makes sense
W = 15
Now for L:
L = 1.2 * 15
L = 18
A = 15 * 18 = 270 in ^ 2