2 years ago

Explain what it means to have 20% more of a given quantity.

Mathematics

1 answer:

Vinvika [58]2 years ago

3 0

Answer:

It means it is more but not alot 20% is = 0.20

Step-by-step

explanation:

https://www.khanacademy.org/math/algebra-home/alg-basic-eq-ineq/alg-old-school-equations/v/taking-percentages

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-2(8p+2)-3(2-7p)-2(4+2p)=0

zysi [14]

-2(8p+2)-3(2-7p)-2(4+2p)=0

mutiply the first bracket by -2

(-2)(8p)= -16p

(-2)(+2)= -4

mutiply the second bracket by -3

(-3)(2)= -6

(-3)(-7p)= 21p

mutiply the third bracket by -2

(-2)(4)= -8

(-2)(+2p)= -4p

-16p-4-6+21p-8-4p= 0

-16p+21p-4p-4-6-8= 0 ( combine like terms)

5p-4p-4-6-8= 0

p-4-6-8= 0

p-10-8= 0

p-18= 0

move -18 to the other side to get p by itself

sign changes from -18 to +18

p-18+18= 0+18

p= 0+18

Answer: p= 18

8 0

3 years ago

Do. Had an album that holds 900 photos. Each page of albums holds 9 photos. If 37% of the album is empty, how many pages are fil

Xelga [282]

Answer:

63 pages are filled with photos.

Step-by-step explanation:

900 photos with 9 photos a page 900/9=100

100 pages

37% of 100 is 37

100-37 is 63

7 0

2 years ago

Jason earns $28 for every 4 lawns he mows.

aleksandr82 [10.1K]

Answer:

This could easily be answered with a culculator but the answer is 20.

Step-by-step explanation:

5x4=20

5 0

3 years ago

Does anyone know this??

STALIN [3.7K]

Hi there! The answer is C.

Explanation:
We have the following equation:

$\frac{8}{15} = \frac{x}{6}$
To solve this type of equation (with an x in the denominator of a fraction) we must cross-multiply the numerator and the denominator.

$15 \times x = 8 \times 6$
Multiply

$15x = 40$
Divide both sides by 15.

$x = \frac{40}{15} = 2 \frac{2}{3}$
~ Hope this helps you!

5 0

2 years ago

Read 2 more answers

What is the domain of the function graphed below?

Lana71 [14]

Answer:

A: X < 7

Step-by-step explanation:

8 0

1 year ago