Answer:
Faces ~ 6
Edges ~ 12
Vertices ~ 8
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Answer:
The square below has an area of x^2-10x+25x
2
−10x+25x, squared, minus, 10, x, plus, 25 square meters.
What expression represents the length of one side of the square?
Step-by-step explanation:
Answer:
<u>(a) x = 2</u>
Step-by-step explanation:
x - 12 = -8x + 6
First, move all the like terms to one side of the equation. We will move all the x's to the left, and the rest to the right in this equation. (Don't forget to pay attention to the signs of the numbers as you move them over the equal sign.)
x - 12 + 8x = 6
x + 8x = 6 + 12
9x = 18
Next, solve for x by isolating it to one side of the equation. Here, we'll have to divide 18 by 9 (do the opposite of what 9 is doing with x; instead of multiplying it with 18 like it currently is with x, divide 18 by it.)
x =
x = 2
Therefore, your answer is (a), since x = 2.
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Answer:
1/3D + 10 = 3/5D
10 = 3/5 D ÷ 1/3 D
10 = 3D/5 ÷ D/3
10 = 3D/5 × 3/D
(btw there is no cross cancleing, just straight up multiply.)
<u>next</u>
10 = 9D/5D
cancel the 10 and 5D to make 10 to 2, and 5d to D.
Next, cancel both the D's (the 9d and the d (the d becomes 1 which is just 9 over nothing. translates to just a simple 9.))
there is a 2 on the opposite side of the 9, so bring it under 9. so 9/2
then divide to get 4.5
4.5 is the answer!
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Answer:
9
Step-by-step explanation:
he can walk 3 miles in an hour and there are 3 hours so 9