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2 years ago

Find the quotient of 4/20 divied by 1/5

1 answer:

8 0

When dividing anything by a fraction, it is the same as multiplying by the reciprocal(when you switch the numerator and the denominator). So dividing something by 1/5 is the same as multiplying by 5. The answer to your question is 1

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6. A super-bouncy-ball is thrown 25m into the air. The ball falls, rebounds to 70% of the height of the previous bounce and fall

inn [45]

Answer:

The total distance the ball has travelled after it hits the ground the 5th time is of 48.53m.

Step-by-step explanation:

Geometric sequence:

In a geometric sequence, the quotient of consecutive terms is the same. The nth term of a geometric sequence is given by:

$a_n = a_1q^{n-1}$

In which $a_1$ is the first term and $q$ is the common ratio.

A super-bouncy-ball is thrown 25m into the air. The ball falls, rebounds to 70% of the height of the previous bounce and falls again.

This means that:

$q = 0.7, a_1 = 25*0.7 = 17.5$

Then

$a_n = a_1q^{n-1}$

$a_n = 17.5(0.7)^{n-1}$

First 5 terms:

$a_1 = 17.5$

$a_2 = 17.5(0.7)^{2-1} = 12.25$

$a_3 = 17.5(0.7)^{3-1} = 8.58$

$a_4 = 17.5(0.7)^{4-1} = 6$

$a_5 = 17.5(0.7)^{5-1} = 4.2$

Find the total distance the ball has travelled after it hits the ground the 5th time.

$T = 17.5 + 12.25 + 8.58 + 6 + 4.2 = 48.53$

The total distance the ball has travelled after it hits the ground the 5th time is of 48.53m.

8 0

2 years ago

What is 25 more than 50 as an expression

lesya [120]

Answer:75

Step-by-step explanation: 50 + 25

3 0

2 years ago

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Kate made an 85 on her English test. Her grade on the English test was 37 points less than twice the grade on her Science test.

Irina18 [472]

The grade of her sci test was 61. First I add 37 to 85, the sum being 122. Then if you divide it in half, you get the quotien and final answer of 61

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2 years ago

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= f(x) = (x - 1) 4 4 2 -27 Describe the error in graphing the function

Aleksandr [31]

Step-by-step explanation:

I don't know how to do any of these if you could give me another question that's possibly easier

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2 years ago

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A car travels 568km in 8 1/2 hours. What is the average speed in meters/second?

GaryK [48]

Answer:

The speed would be 60kph

60/60=1

Step-by-step explanation:

60x24=1,440

It would at a speed of 1,440km per day.

In a year it would go 525,600 km.

Every nanosecond it would go 0.0001 cm.

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1 year ago

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