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Tanya [424]
3 years ago
12

A national charity contacted 100

Mathematics
1 answer:
Stels [109]3 years ago
3 0

Answer:

c. The mean of all sample proportions of those who make a donation from all random samples of 100 people contacted by phone is 0.05.

Step-by-step explanation:

If this is the same question I had then this would be the correct answer, hope this helps!

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Simplify y^-2/y^-7. Write your answer with a positive exponent only.
attashe74 [19]

Answer:

y^5

Step-by-step explanation:

y^-2/y^-7

When we divide exponents with the same base, we subtract the exponents

y^ ( -2 - -7)

y^ ( -2+7)

y^ 5

4 0
3 years ago
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Pretty ez ngl but need help extra points
baherus [9]

Answer:

Concept: Algebraic Manipulation

  1. 90* 1/6 = 15
  2. Hence its 15 dollars
  3. Rate brainlist
5 0
3 years ago
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Differentiate the following function.<br> y=x(x^2+5)^2
dalvyx [7]
First, expand to make it easier
y=x(x^2+5)(x^2+5)
y=x(x^4+10x^2+25)
y=x^5+10x^3+25x
differentiation
y'=5x^4+30x^2+25 is the derivitive
8 0
3 years ago
The scale factor rounded to the nearest tenth.
mrs_skeptik [129]
Hey there! :)

In the big square, the side length is 3, and in the small one, it's 1

Big to Small = 1/3

1/3 = 0.3333 = 0.3

Your answer is 0.3

Hope this helps :)
5 0
3 years ago
If y(x) = 4x, what is x when y(x) = 4? <br><br> a.2<br> b.1.<br> c.4<br> d.0
zavuch27 [327]

Answer:

b. 1

Step-by-step explanation:

Step 1: Define

y(x) = 4x

y(x) = 4

Step 2: Substitute and Evaluate

4 = 4x

x = 1

8 0
3 years ago
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