2 years ago

What is a rational number?

Mathematics

1 answer:

mr_godi [17]2 years ago

3 0

A rational number is a number that can be express as the ratio of two integers

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Find the average of 2m,20cm and 95cm give your answer in cm

stepan [7]

Answer:

The average is:

105 cm

Step-by-step explanation:

1 m = 100cm

2m = 2*100 = 200cm

then:

(200 + 20 + 95)/3 = 315/3 = 105cm

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3 years ago

A scientist is interested in the effect of time spent with parents and number of hours

gladu [14]

Answer: If X = 5, z=-3

If X = 37, z= 3.4

Step-by-step explanation:

We know that the formula to find the z-score for any random variable x is given by :-

$z=\dfrac{x-\mu}{\sigma}$

, where $\mu$ = Population mean

$\sigma$ = Population standard deviation.

As per given , we have

$\mu=20\\\\\sigma=5$

Then , the z-score for x =5

$z=\dfrac{5-20}{5}=\dfrac{-15}{5}=-3$

i.e. If X = 5, z=-3

When x =37,then $z=\dfrac{37-20}{5}=\dfrac{17}{5}=3.4$

i.e. If X = 37, z= 3.4

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2 years ago

An account is opened with $1250 at a bank that pays 4.75% interest yearly, write a function A(t) that tells how much money is in

svetlana [45]

Answer:

Step-by-step explanation:

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2 years ago

2. If 15 tickets for a baseball game cost $97. how many tickets can be bought for $71.)

attashe74 [19]

Answer:

technically only 10 but if you round up then its 11.

Step-by-step explanation:

97 divided by 15 ~6.47

71 divided by 6.47~ 10.97

6 0

3 years ago

1,2,3,4,5,6,7,8,9&10 Thank you so so much in advance!!!!!!!!!!!!

scoundrel [369]

1. 84021
2.21
3. 2
4.6
5.3 and the exponent will be 4
6.c
7. 5,6 &7
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9.2
10.

7 0

3 years ago

What is a rational number?​

What is a rational number?