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ElenaW [278]
3 years ago
11

How to expand 5(2m)^3

Mathematics
1 answer:
Annette [7]3 years ago
7 0
Answer: 40m^3

Solution steps:

1. Expand (2m)^3.

5 x 2^3 m^3

2. Calculate 2 to the power of 3 to get 8.

5 x 8m^3

3. Multiply 5 and 8 to get 40.

40m^3
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Stacy bakes 14.5 pies in 6 hours. How many pies would she bake in 9 hours? (explain how to solve and solve and the answer)
Olenka [21]

Answer:

21.75 pies

Step-by-step explanation:

First, we can find the speed that Stacy takes to bake pies per hour before solving for how many pies she can bake in 9 hours.

s=14.5pies/6hours

s=\frac{29}{12}pies/hour

Pies Stacy bakes in 9 hours =\frac{29}{12}\times9

=21.75 pies

∴ Stacy bakes 21.75 pies in 9 hours

Hope this helps :)

5 0
3 years ago
Amy can paint a room in 12 hours. Alicia can paint the same room in 16 hours. How long does it take for both Amy and Alicia to p
Simora [160]
Well 12 is 3\4 of 16 so honestly it would take the 8 hours working together.

As far as formula if I had to guess it would look like.. 12Amy(Ay)- 16Alicia(Aa) = 4 hours minus 4 from Amy would be 8hours.

in fraction form might make more sense. 3\4 - 4\4 = 1/4 minus that from Amy and she'll finish together with Alicia 4 hours quicker being 8hours.
3 0
3 years ago
You can’t decide which estate agent to use to sell your home, so you research the number of properties each estate agent has sol
Triss [41]

Answer:

B. 130 70

Step-by-step explanation:

Agent B sold the highest number (53.85% ) of houses given the number of listed houses.

Find the percentage of houses each agent sold.

For A

x/100 * 150 = 75

cross multiply and find x, that would be 50%

For B

x/100 * 130 = 70

cross multiply and find x, that would be 53.85%

for C

x/100 *145 = 75

cross multiply and find x, that would be 51.72%

7 0
3 years ago
In a 30-60-90 triangle, the length of the side opposite the 30 degree angle is 8. Find the length of the side opposite the 60 de
nalin [4]

Answer:

The length of the side opposite the 60 degree angle 'c' = 4

Step-by-step explanation:

<u>Step(i)</u>:-

Given data ∠A = 90° , ∠B = 60° and ∠C = 30°

Given data the length of the side opposite the 30 degree angle is 8

let  'a' = 8

<u><em>step(ii)</em></u>:-

<em>By using sine rule formula in properties of triangle</em>

<em></em>\frac{a}{Sin A} = \frac{b}{Sin B} = \frac{c}{Sin C} = 2 R<em></em>

<em></em>\frac{a}{Sin A}  = \frac{c}{Sin C}<em></em>

\frac{8}{Sin 90}  = \frac{c}{Sin 30}

cross multiplication , we get

\frac{8 X sin 30}{Sin 90}  = c<em></em>

<em>we know that trigonometry formulas</em>

<em>sin 30° = </em>\frac{1}{2}<em>   and sin 90°= 1</em>

<em>C =  8 X 1/2 = 4</em>

<u><em>conclusion</em></u>:-

<em>The length of the side opposite the 60 degree angle 'c' = 4</em>

<em></em>

3 0
3 years ago
Explain why a trapezoid can't be called a parallelogram
Virty [35]
A parallelogram is <span>a four-sided plane rectilinear figure with opposite sides parallel.
</span><span>A trapezoid is a quadrilateral with only one pair of parallel sides.</span>
3 0
3 years ago
Read 2 more answers
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