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3 years ago

11

When you sample the first individuals you can find, you call it a _____; it's cheap and easy to do, but statistically not a very

strong method.
A.
cluster
B.
stratified random sample
C.
convenience sample
D.
cluster sample
E.
simple random sample

1 answer:

ddd [48]3 years ago

7 0

Answer:

E.

simple random sample

Step-by-step explanation:

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3(v-3)-7v how to simply this equation

Vadim26 [7]

Answer:

$-4v-9$

Step-by-step explanation:

Distribute the $3(v-3)$ , we get:

$3v-9-7v$

Combines like-terms, meaning we combine the numbers with v.

$-4v-9$

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3 years ago

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2 years ago

Zolt Inc. (zolt) stock is selling for $8.22 per share with an EPS of .45 cents per share. What is Zolt's PE ratio? (Round to nea

Umnica [9.8K]

Answer:

18.3 ( when EPS is 45 cents), otherwise there is none of these

Step-by-step explanation:

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EPS = .45 cents (?) ... is it 45 cents ?

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3 years ago

Explain which situation will give you the best price: a discount of 15% and then 10% off that amount, a discount of 10% and then

Anuta_ua [19.1K]

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3 years ago

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Volume of a cone = r²h,

inessss [21]

Answer:

7.5 m 457.5 $\pi$ $m^{2}$

Step-by-step explanation:

First, visualize the original cone and the smaller cone as overlapping similar triangles. The scale factor of the original cone to the smaller cone is 50:40, so if the smaller cone has a radius of 6 m, then the radius of the original cone would be 7.5 m.

The volume of the frustum is the volume of the original cone minus the volume of the smaller cone. The formula for the volume of a cone is V = $\frac{1}{3} \pi r^{2}h$ .

Original Cone = $\frac{1}{3} \pi r^{2}h$ = $\frac{1}{3} \pi *7.5^{2}*50$ = 937.5 $\pi$

Smaller Cone = $\frac{1}{3} \pi r^{2}h$ = $\frac{1}{3} \pi *6^{2}*40$ = 480 $\pi$

Frustum = 937.5 $\pi$ - 480 $\pi$ = 457.5 $\pi$

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2 years ago