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3 years ago

What is the difference between 21.25-1.509

Mathematics

1 answer:

PSYCHO15rus [73]3 years ago

7 0

Answer:

19.741

Step-by-step explanation:

When subtracting decimals line up the decimals and then add 0s to the end to make it work. SO instead of

21.25

-1.509

___________

It would be

21.250

- 1.509

______________

Solve the subtraction problem like you normally would. THen drop the decimal down so it lies up with the others.

21.250

- 1.509

______________

19.741

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BRAINLIEST AND POINTS!! EASY!!!

SVETLANKA909090 [29]

Hey there!

The mean of the numbers is the average. To find the mean we will simply add all the numbers together, and divide them by the amount of numbers there are. Easy, peesy, lemon squeezy. Lets get started.

7 + 10 + 22 + 10 + 12 + 10 + 12 = 83

Now that we have added those altogether, we can divide them by the amount of numbers there are. The amount of numbers there are comes to a total of 7. Therefore...

83 divided by 7 = 11.857

Answer Choice B. 11.9 is your correct answer.

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3 years ago

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If -48 equals 6(a) then a is what

Oksi-84 [34.3K]

<h2>PLEASE MARK BRAINLIEST!</h2>

Expression:

$\frac{-48}{6}=\frac{6}{6}a$

$-8 = a$

Your answer is -8.

I hope this helps!

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3 years ago

Cubes and cubes roots 27000

Natasha_Volkova [10]

Answer:

lcm for cuberoot

that is 2*2*2*5*5*5*3*3*3

make pairs of three common numbers and write them as one.

2*5*3=30

ans =30

check 30*30*30=27000

cube

multiply 27000 three times with itself

27000*27000*27000

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3 years ago

What is 456,420 divided by 8.75 million

Travka [436]

0.05216228571 is the answer.

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3 years ago

What is the sum of 1 2/5 and 5 3/4

Art [367]

Answer:

$7\frac{3}{20}$

Step-by-step explanation:

Hey there!

Well to add this we need to pu it in improper form.

7/5 + 23/4

Now we need to find the LCM.

5 - 5, 10, 15, 20, 25, 30

4 - 4, 8, 12, 16, 20, 24, 28

So the LCD is 20.

Now we need to change the 5 and 4 to 20.

5*4 = 20

7*4 = 28

28/20

4*5=20

23*5=115

115/20

Now we can add 28 and 115,

= 143/20

Simplified

7 3/20

Hope this helps :)

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4 years ago

Read 2 more answers