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Artemon [7]
3 years ago
7

Which equation demonstrates the distributive property? A) 2 (5 + 7) = 2 (7 + 5) Eliminate B) 2 (5 + 7) = 2 × 5 + 2 × 7 C) (2 × 5

) × 7 = 2 × (5 × 7) D) 7 × (2 × 5) = 7 × (5 × 2)
Mathematics
2 answers:
horrorfan [7]3 years ago
8 0

[|] Answer [|]

\boxed{2(5 \ + \ 7) \ = \ 2 \ * \ 5 \ + \ 2 \ * \ 7}

[|] Explanation [|]

<u><em>Distributive Property:</em></u>

Distributes / simplifies the equation out, making it easier to solve

2(5 + 7) = 2 * 5 + 2 * 7

This makes the problem easier because we are spreading the equation into several smaller parts, making it easer to do step by step. In the end, we get the problem done quicker and simpler.

It is called <u><em>Distributive Property </em></u>because we are distributing the problem / equation into many parts.

\boxed{[|] \ Eclipsed \ [|]}

Gemiola [76]3 years ago
7 0

B) 2 (5 + 7) = 2 × 5 + 2 × 7

Distributing the two multiples the five and seven and adds there them together.

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A cube has side length a. The side lengths are decreased to 50% of their original size. Write an expression in simplest form for
vaieri [72.5K]

Answer:

  V = a³/8

Step-by-step explanation:

The volume of the original cube is the cube of the side length:

  V = a³

When the side length is reduced to half its former value, the new volume is ...

  V = (a/2)³ = a³/2³

  V = a³/8 . . . . volume of the new cube

6 0
3 years ago
a hospital bill is estimated to be $480. It ends up actually costing the patient $524.50. What is the percent of error in the bi
lozanna [386]

Answer:

8.48%

Step-by-step explanation:

Given that,

The estimated bill = $480

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\%=\dfrac{524.50-480}{524.50}\times 100\\\\\%=8.48\%

So, the percentage error in the bill is 8.48%.

6 0
3 years ago
What are the dimensions of a rectangle with an area of 304 and a perimeter of 70?
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Area = 304 cm^2
perimeter = 70
perimeter = 2(l+w)
70 = 2(l+w)
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35 = l+w
Now suppose the length would be = x
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NOW Area = l*w
304 = x * (35-x)
304 = 35x -x^2
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use quadratic formula to solve next ok 
<span> 
</span>
5 0
3 years ago
Simplify: 8bc-9bc+10bc-6bc
jarptica [38.1K]

3bc is the answer to your problem

6 0
3 years ago
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10a = 40
rosijanka [135]
Divide by 10 both sides and you get a=4
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3 years ago
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