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3 years ago

What multiplies to 20 and adds up to 9?

Mathematics

2 answers:

Karo-lina-s [1.5K]3 years ago

6 0

There are 4 and 5
4 *5 = 20
4+5 =9

Arturiano [62]3 years ago

4 0

Multiply the 4 and the 5 and you will get a result of 20.
4*5=20

Add the 4 and 5 and you will get a sum of 9

4+5=9

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3 years ago

Suppose j varies jointly with g and v, j=1 when g=6 and v=3. Find j when g=8 and v=11

Lady bird [3.3K]

j=4.88 when g=8 and v=11

Further explanation:

When the increase/decrease in one quantity cause increase/decrease in other quantity, it is called direct variation.

Variation is always accompanied by a variation constant.

<u>Given</u>

g and v vary directly with j

IT can be written as:

j∝gv

Putting the variation constant k

j = kgv

Putting g = 6 and v=3

$j = kgv\\1 = k * 6 * 3\\1 = 18k\\k = \frac{1}{18}$

So the value of k is 1/18 which makes the equation

$j = \frac{1}{18}gv\\ Putting\ g=8\ and\ v=11\\j = \frac{1}{18} * 8 * 11\\j = \frac{88}{18}\\ j =4.88$

So, j=4.88 when g=8 and v=11

Keywords: Variation, Direct Variation

Learn more about variation at:

#LearnwithBrainly

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3 years ago

Division of whole numbers 3075 divided by 3

butalik [34]

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Step-by-step explanation:

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