Write a real world situation that can be represented by the expression x - 12 subtraction

1 answer:

3 0

Ed has $37 and decides that he wants to go out to lunch with his friend Barb. They go out to eat, and when it comes time to pay the bill they decide to split it. It will cost Ed $12 to pay his half. How much money will he have left after he pays his share?

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A3-b3=(a-b)(a2+an+b2) 64x6-27

olga nikolaevna [1]

a³-b³=(a-b)(a²+ab+b²)

64x⁶ - 27

64 = 4³,
x⁶ = (x²)³
27 = 3³

64x⁶ - 27 = 4³(x²)³ -3³ = (4x²)³ -3³. Now, we can use a formula where a=4x², b=3

(4x²)³ -3³ = (4x² -3)((4x²)² +4x²*3 + 3²) = (4x² -3)(16x⁴ +12x² + 9)

Answer: 64x⁶ - 27= (4x² -3)(16x⁴ +12x² + 9)

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What adds to 50 and multiplies to 70

kozerog [31]

Im thinking 10 because 10+40=50 and 10x7=70

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You want to buy a new bike, and your parents will contribute $32.50 toward the cost of the bike. If the most expensive bike is $

asambeis [7]

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They the answernis 17.50 fam

Step-by-step explanation:

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Find the area of trapezoid JKLM. Round the answer to the nearest tenth.

maksim [4K]

from the diagram, we can see that the height or line perpendicular to the parallel sides is 8.5.

likewise we can see that the parallel sides or "bases" are 24.3 and 9.7, so

$\textit{area of a trapezoid}\\\\ A=\cfrac{h(a+b)}{2}~~ \begin{cases} h=height\\ a,b=\stackrel{parallel~sides}{bases}\\[-0.5em] \hrulefill\\ h=8.5\\ a=24.3\\ b=9.7 \end{cases}\implies \begin{array}{llll} A=\cfrac{8.5(24.3+9.7)}{2}\\\\ A=\cfrac{8.5(34)}{2}\implies A=144.5~in^2 \end{array}$

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What does -15x + 39 equal

Anna [14]

Answer: (‑(15*x))+39

Step-by-step explanation:

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