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Ivahew [28]
3 years ago
13

Determine whether each expression was simplified correctly.​

Mathematics
1 answer:
astra-53 [7]3 years ago
3 0

Answer:

Only b is correctly simplified.

Step-by-step explanation:

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Many games depend on how a ball bounces. For example, if different basketballs rebounded differently, one basketball would bounc
Crank

Answer:

Basketball = 0.743

Step-by-step explanation:

Given

Tennis:

Starting Height = 200 cm

Rebound Height = 111 cm

Soccer Balls;

Starting Height = 200 cm

Rebound Height = 120 cm

Basketball:

Starting Height = 72 inches

Rebound Height = 53.5 inches

Squash:

Starting Height = 100 inches

Rebound Height = 29.5 inches

For measuring the bounciness of a ball, one needs that starting Height of and the rebound Height of that ball which have been listed out above.

Calculating the rebound ratio of each balls.

Rebound Ratio = Rebound Height/Starting Height

Tennis: 111/200= 0.556

Soccer Balls: 120/200 = 1.667

Basketball: 53.5/72 = 0.743

Squash: 29.5/100 = 0.295

From the rebounding ratio calculated above, it can be seen that basketball has the highest rebound ratio of 0.743 and is the bounciest of all whole Squash has the least rebound of 0.295 ratio, hence it is the least bounce of all.

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3 years ago
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X is greater than 4
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What is your number?
Goryan [66]

Answer:

13 and 11

Step-by-step explanation:

how is helpful

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The correct answer is 77 degrees
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The spinner of the compass is two congruent isosceles triangles connected by their bases as shown in the diagram. The base of ea
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Answer:

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Step-by-step explanation:

By pythagorean theorum we calculate the height:

\sqrt{5^2-1^2}

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area = 2*\sqrt{24}

There are two triangles so:

2*2*\sqrt{24}=4\sqrt{24}

Multiply this by 13.25 to get total cost:

=$259.65

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