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Archy [21]
3 years ago
11

If 32% of a number is 64, what is the number?

Mathematics
2 answers:
Anettt [7]3 years ago
6 0
The answer to the problem is as follows:

We set up a proportion: 64/?= 32/100

Cross multiply: 32*?= 64*100
⇒ ?= 64*100/32= 200

The number is 200<span>.
</span>

I hope my answer has come to your help. God bless and have a nice day ahead!
AlekseyPX3 years ago
4 0
The correct answer is 200 .
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Can someone help please!!!!
Nuetrik [128]

66

Step-by-step explanation:

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7 0
3 years ago
Find the value of C that completes the square
MatroZZZ [7]

Answer:

Step-by-step explanation:

y^2-22y+c

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we know that to find c we will divide b/2 and square it

22/2=11

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6 0
3 years ago
How do you do these questions?
Tanzania [10]

Answer:

μ ≈ 2.33

σ ≈ 1.25

Step-by-step explanation:

Each person has equal probability of ⅓.

\left[\begin{array}{cc}X&P(X)\\1&\frac{1}{3}\\2&\frac{1}{3}\\4&\frac{1}{3}\end{array}\right]

The mean is the expected value:

μ = E(X) = ∑ X P(X)

μ = (1) (⅓) + (2) (⅓) + (4) (⅓)

μ = ⁷/₃

The standard deviation is:

σ² = ∑ (X−μ)² P(X)

σ² = (1 − ⁷/₃)² (⅓) + (2 − ⁷/₃)² (⅓) + (4 − ⁷/₃)² (⅓)

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3 0
3 years ago
Can someone please help?
cupoosta [38]

Answer:

The last one: 25%

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
A cone has a radius of 3 and a height given by the expression 2a. Which expression represents the volume of the cone?
DiKsa [7]
V=(1/3)hπr^2 where h=height and r=radius
given
radius=3
height=2a

r=3
h=2a

v=(1/3)hπr^2
v=(1/3)(2a)π(3)^2
v=(1/3)2aπ9
v=6aπ


so the expression would be some variaant of v=6aπ
5 0
3 years ago
Read 2 more answers
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