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Ilya [14]
4 years ago
14

Why can you use fraction multiplication to check the answer to a fraction division problem? How do you use multiplication to che

ck a division problem?
Mathematics
2 answers:
Triss [41]4 years ago
5 0

Answer:

Division and multiplication are inverse operations. This means they "undo" each other. You can check your answer by multiplying the quotient by the divisor. You should get the dividend.

Check all that you included in your response.

Δ Multiplication and division are inverse operations.

Δ Multiplication “undoes” division.

Δ Verify by multiplying the quotient by the divisor to get the dividend.

You Can Check All

<em> Espero que isto ajude!</em>

<em> Means Hope This Helps! In </em><u><em>Portuguese</em></u>

Vedmedyk [2.9K]4 years ago
4 0
Ex. if your problem is 2/3 ÷ 6/1 you would keep the first fraction the same, change division to multiplication and flip the second fraction
2/3×1/6
Hint: KCC (Keep, change, change)
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a parking garage has 6 levels. Each level has 15 row. Each row has the same number of parking spaces. there are 2,250 parking sp
Mandarinka [93]
To start with, we know there’s a definite amount of parking spaces in all(2,250) and we also know each level(6 in all) had 15 rows of parking spaces.

Equation

A = Parking spots per row


A = 2,250 Divided by(6 levels times 15 rows)

A= 2,250 Divided by 90


A = 25

The correct answer is 25 parking spots per row

To check this answer we can do

25 spots per row, Times 15 rows per level, Times the total amount of levels (6)

= the total amount of parking spots

25*15*6= 2,250

True


This confirms this answer as correct. Hope this helps.
6 0
3 years ago
Sydney needs to earn $35 so she can buy her father a birthday present. her mom said she can make $6 per hour cleaning around the
grin007 [14]
K = 13The smallest zero or root is x = -10
4 0
4 years ago
A box of manufactured items contains 12 items. of which four are defective
VikaD [51]
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ex.) 3 x 4 = 12 
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ex. ) 12 x 3 = (10 x 3) + (2 x 3)</span>divisionAn operation in which we make parts out of a number, which are equalequationA mathematical sentence that contains an equals sign.factorone of two or more numbers, that when multiplied together produce a given productmethoda way of doing somethingmultiplicationAn operation used for the shortening of repeated additionnumber bonda model showing part, part, whole relationshipsnumber of groupsfactor in a multiplication problem that refers to the total equal groupsnumber sentenceA complete sentence that uses numbers and symbols instead of wordspictureillustrate, show, represent, portray, or depictquotientthe answer when one number is divided by another ex.) 14 / 2 = 7repeated additionadding equal groups together ex.) 2 + 2 + 2 + 2rowa horizontal group of items often found in an arraysize of groupsfactor in a multiplication problem that refers to the how many in each grouptape diagramA drawing that looks like a segment of tape, used to illustrate number relationships.unitone segment of a partitioned tape diagramProductThe answer to a multiplication problemRepresents<span>What the number you found stands for in your problem.</span>
4 0
3 years ago
Write a quadratic function f(x) for the area of a rectangle length x+5 width 3x-7
Semmy [17]
The area of a rectangle is the product of its length and width.
l=x+5 \\&#10;w=3x-7 \\ \\&#10;A=lw=(x+5)(3x-7)=3x^2-7x+15x-35=3x^2+8x-35 \\ \\&#10;\boxed{f(x)=3x^2+8x-35}
7 0
3 years ago
What is 8/9 as a decimal rounded to 3 decimal places
Iteru [2.4K]

Answer:

0.8889

Step-by-step explanation:

0.8889 is the 8/9 as a decimal rounded to 3 decimal places

6 0
3 years ago
Read 2 more answers
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