What is one quarter added to one eights?

Answers

Answer 1

Answer: 3/8 would be the answer because 1/4 is a quarter and to add it to 1/8 you need to make it 2/8.

2/8 + 1/8 = 3/8.

Answer 2

Answer: 1/2+1/8=2/10

4/8+1/8=5/8

so you answer is 5/8 and 2/10

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Which set of ordered pairs represents a function? a {(0, 1), (1, 3), (1, 5), (2, 8)} b {(0, 0), (1, 2), (2, 6), (2, 8)} c {(0, 0), (0, 2), (2, 0), (2, 4)}d {(0, 2), (1, 4), (2, 6), (3, 6)}
John just hired a new employee to work in your bakeshop. In one hour the employee burned 150 chocolate chip cookies. If this represented 15% of the days production, how many cookies did you plan on producing that day?
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14 points Write a ratio, in simpliest form that compares the two quantities show your work 400m to 1km

How to convert fractions into decimals?

Answers

A fraction is just a short way to WRITE a division problem. It means "the top number divided by the bottom number". Take the two numbers from the fraction, DO the division, and you get the decimal.

Divide numerator by denominator.

For exemple:

$\boxed{(4)/(5)=0.8}$

A cat heart beats about 130 beats per minute .A kitten heartbeat can be as fast as 240 beats per minute.How many times does a kittens heart beat in one half hour?

Answers

21,600 minutes because 1 hour equals 60 mins. while half in an hour is 30 mins. and 60 + 30 = 90 so you multiply 240 by 90 getting 21,600

Some cheetahs can run as fast as 71 miles per hour. To the nearest hundredth find this rate in feet per second.

Answers

104.13 feet per second.

What does n equal in this equation?

-5n+8= -7

Answers

-5n+8= -7
-8 -8
-5n = -15
/-5 /-5
n = 3

Scientific notation of 864,000,000,000,000

Answers

Answer:

8.64x10 to the power of 14

Step-by-step explanation:

Answer:

Its 8.64x10 to the power of 14

108 identical books have a mass of 30 kg. Find(i) the mass of 150 such books,
(ii) the number of such books that have a mass
of 20 kg.

Answers

Answer:

The mass of 150 books = 41.7kg

The number of books that have mass 20kg = 72 books

Step-by-step explanation:

(I) Number of identical books = 108

Mass of books = 30 kg

Mass of 150 books = ?

Let the mass of 150 books = x kg

To find the mass of 150 books we will use ratio and proportion:

108 books: 30kg = 150 books: x kg

You can also write it like this because ratio can be written in division:

108/30 = 150/x

By cross multiplication:

108x = 150*30

108 x= 4500

Divide both sides by 108

108 x/108 = 4500/108

x= 41.7

Thus the mass of 150 books = 41.7kg

( ii ) The number of books that have a mass of 20 kg = ?

Let assume that the number of books of mass 20 kg = y books

We will again use ratio and proportion method.

108 books: 30kg = y: 20kg

We can write it as:

108/30 = y/20

By cross multiplication:

108 *20 = 30y

2160= 30y

Divide both the terms by 30

2160/30 = 30y/30

72 = y

Therefore the number of books that have mass 20kg = 72 books ....

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