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3 years ago

What is 30% of 20??Help me please

Mathematics

1 answer:

Nuetrik [128]3 years ago

7 0

Taking 30% percent of something is the same as multiplying by .3

so, .3*20 = 6

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Evaluate -3- (-4) - (-2) + 1.

Shtirlitz [24]

Answer:

Step-by-step explanation:

-3+4+2+1=4

8 0

3 years ago

Help me pleaseeee asap

sdas [7]

Answer:

5089.4cm³ (rounded to 1 d.p.)

Step-by-step explanation:

Volume of cylinder = $\pi$ × r² × h

Volume of cylinder = $\pi$ × 9² × 20

= 1620 $\pi$

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4 0

3 years ago

A ball is thrown from a height of 40 meters with an initial downward velocity of 5 m/s

arsen [322]

0=40-10t-5t^2

t^2+2t-8=0

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t=-4 (not a solution) or t=2

Answer: after 2 seconds

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3 years ago

How do I solve this problem?

lidiya [134]

$B = A(1+\frac{i}{n})^{nt}$
A = 47900
i = 5% = .05
n = number of compounding periods in a year (1,2,12,365)
t = number of years = 5

4 0

3 years ago

Evaluate 6 + 30 divided (4-5) =

ki77a [65]

Answer:

6 + 30 / (4-5) = - 24

Step-by-step explanation:

4-5 goes 1st then you do 6 + 30 .

36 / -1 = -24

3 0

3 years ago

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