3 years ago

How do you use multiplication to solve division

Mathematics

2 answers:

Firlakuza [10]3 years ago

5 0

When you divide by the reciprocal, you flip the numbers and multiply across.

Sophie [7]3 years ago

5 0

I would say because you have to find out how many times the number its being divided by goes in to it.

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A + b·c = a + c·b is an example of the associative property.

muminat

Answer:

yes , This is an example of the associative property.

Step-by-step explanation:

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3 years ago

In Part C, you determined that the proper ratio of packages of buns, packages of patties, and jars of pickles is 3:2:4. If you w

aivan3 [116]

Answer: packages of buns: 100

packages of patties: 67

jars of pickles: 133

(100,67,133)

Step-by-step explanation: packages of buns: B

packages of patties: P

jars of pickles: J

B:P:J = 3:2:4

B + P + J = 300

Let x be the number we must multiply the numbers to obtain the quantity and keep the ratio.

Bx + Px + Jx = 300

3x + 2x + 4x = 300

x = 300/9

So,

3.300/9 = 100

2.300/9 = 66.6666

4.300/9 = 133.333

As we cannot buy 0.666 or 0.33 of patties and pickles, we round up

So: packages of buns: 100

packages of patties: 67

jars of pickles: 133

7 0

3 years ago

Factorize 225-49<br><img src="https://tex.z-dn.net/?f=%20%7Bx%7D%5E%7B2%7D%20" id="TexFormula1" title=" {x}^{2} " alt=" {x}^{2}

erica [24]

$225-49x^2$

$-49x^2+225$

$=(7x+15)(-7x+15)$

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3 years ago

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Make 'm' the subject of the formula'k=3m-2

zaharov [31]

Answer:

$m = \frac{k + 2}{3}$

Step-by-step explanation:

$k = 3m - 2 \\ 3m = k + 2 \\ m = \frac{k + 2}{3}$

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Vladimir79 [104]

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3 years ago