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fgiga [73]
3 years ago
15

What is 9/20 written as a decimal and percent?

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
7 0

Answer:

Decimal: 0.45

Percent: 45%

Hope this Helps!

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Use f(x) = 1/2 x and f-^1(x) = 2x to solve the problems.<br> f(2) =<br> f(1) =<br> f-^1 (F2)) =
balu736 [363]

Answer:

f(2) =  

⇒ 1

f−1(1) =  

⇒ 2

f−1(f(2)) =  

⇒ 2

8 0
3 years ago
The mean height of a group of 500 nonsmoking college students is 74 inches and the standard deviation is 5 inches. What is the p
Brrunno [24]
500 (non smokers)÷ 25(random students out of the group)= 20 inches. 20 inches ÷ 74 inches= 3.70
3 0
3 years ago
What is the explicit formula for this sequence?
SVEN [57.7K]

Answer:

The correct answer is b.)

Step-by-step explanation:

Given:

Sequence  -7, -4, -1, 2, 5.......  => a₁ = -7, a₂ = -4, a₃ = -1, a₄ = 2 and a₅ = 5

We conclude that this sequence is arithmetic series.

First we must find difference d:

d = a₂ - a₁ = a₃ - a₂ = -4 - (-7) = -1 - (-4) = -4 + 7 = -1 + 4 = 3

d = 3

The formula for n-th term of the arithmetic series is:

aₙ = a₁ + (n-1) d

aₙ = -7 + (n-1) 3

God with you!!!

4 0
3 years ago
What is the solution to the inequality?<br> −6x+5&gt;−1
Bogdan [553]

Answer:

\boxed{x

Step-by-step explanation:

-6x+5>-1\qquad\text{subtract 5 from both sides}\\\\-6x>-6\qquad\text{change the signs}\\\\6x

3 0
3 years ago
fran reads 54 pages per hour. if she reads a total of 257 pages one weekend , how many hours to the nearest hundredth does she r
natka813 [3]
You basically just have to do . . .

257/54
4.759 . . .
≈ 4.76 hours

Answer: 4.76 hours
4 0
3 years ago
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