3 years ago

Please tell me the answer and explain how you got it

Mathematics

1 answer:

Charra [1.4K]3 years ago

8 0

Which answer :) xx just for help

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20%of 120 is what number

RSB [31]

$\frac{20}{100} \times 120=?\\\\ \frac{1}{5} \times 120 = ?\\\\ \frac{120}{5}= \boxed {24}$

7 0

3 years ago

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Please help!! Find x, A, B, and C

BARSIC [14]

Answer:

180= 2x+ 4x+ 3x

180= 9x

x=20

a= 40

b= 80

c= 60

40+60+80= 180 (checking answers)

Step-by-step explanation:

6 0

3 years ago

Mark as brainleist if right? HMMMMMMMM<br> FELLING GOOD TODAY

Alekssandra [29.7K]

Answer:

-50

Step-by-step explanation:

Add 2 to both sides: $\frac{c}{5} =-12+2=-10$

Multiply both sides by 5: c = 5 * (-10) = -50.

Thus, the answer is -50.

Hope this helps!

3 0

4 years ago

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The sum of a positive number and 56 times its reciprocal is equal to its cube. What is the number?

cricket20 [7]

Answer:

2×sqrt(2) = 2.828427125...

Step-by-step explanation:

x = "a positive number"

x + 56/x = x³

x² + 56 = x⁴

x⁴ - x² - 56 = 0

(x² + 7)(x² - 8) = 0

this is true only for

x² = -7

x² = 8

x² = -7 would mean that x is an imaginary number. so, that is not a valid solution here.

x² = 8 means

x = sqrt(8) = sqrt(4×2) = 2×sqrt(2) = 2.828427125...

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2 years ago

PLease NEED HELP! thank you

adelina 88 [10]

.32 is the answer to this question

7 0

3 years ago