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antoniya [11.8K]
3 years ago
8

What is 20% of 90???

Mathematics
2 answers:
rodikova [14]3 years ago
6 0

Answer:

answer :

18

Step-by-step explanation:

use calculator it's easy to solve

nikitadnepr [17]3 years ago
4 0

Answer:

18

Step-by-step explanation:

20% of 90 = (20/100 )* 90

                  = 1/5 * 90

                  = 18

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Rudolph can fly 5 miles in 12 seconds. At<br> that rate, how many miles can he fly per<br> minute?
AleksandrR [38]

Answer:

25 mpm

Step-by-step explanation:

60 devided by 12 = 5

5 times 5 = 25 mpm

7 0
3 years ago
Find the area of the figure.<br> 4.5 cm<br> 5.5 cm<br> 22 cm
Furkat [3]

An 544.5

Step-by-step explanation:

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Factor completly 4x^2 +8x -5
DaniilM [7]

∑ Hey, jillianwagler ⊃

Answer:

\left(2x-1\right)\left(2x+5\right)

Step-by-step explanation:

<u><em>║Given info║:</em></u>

<em>Factor completely: </em>4x^2 +8x -5

<u><em>Solution~:</em></u>

<em>Breaking the expression~:  </em>\left(4x^2-2x\right)+\left(10x-5\right)

<em>Factor out 2x from 4x² -2x : 2x(2x-1)</em>

<em>Factor out 5 from 10x - 5 : 5(2x - 1)</em>

<em>Put together: </em>=2x\left(2x-1\right)+5\left(2x-1\right)

Factor out 2x - 1: =\left(2x-1\right)\left(2x+5\right)

<u><em>xcookiex12</em></u>

<em>8/19/2022</em>

4 0
2 years ago
Simplify (5rs-1t3)(-3r2st).
maxonik [38]
(5rs-1t3)(-3r2st)

-30r^2s^2t+18rst^2
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3 years ago
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