3x + 5y = 10 Subtract 3x from both sides.
5y = -3x + 10 Divide both sides by 5.
y = -3/5x + 2
First, let's write an equation for the situation.
Jim's weight is 30 pounds less than Tom's, so his weight is:
n - 30
If Tom's and Jim's weights add to 210:
n + (n - 30) = 210
Solve for n:
2n - 30 = 210
2n = 240
n = 120
Tom weighs 120 pounds.
Step-by-step explanation:
= 4x² + 12x + 9
= 4x² + 6x + 6x + 9
= 2x(2x + 3) + 3(2x + 3)
= (2x + 3)(2x + 3)
= (2x + 3)²
Answer: 141.12 in²
Step-by-step explanation:
Separate into two triangles where the height extends from the 147 degree angle to the 28.8 in side.
cos57 = A/18
A = 9.8 in
Plug into the following formula:
bh =
(28.8)(9.8) = 141.12 in²
Answer:
Look when angle 3= angle B
It would make AD parallel to BC
Step-by-step explanation:
So go with
AD//BC
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