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Kisachek [45]
3 years ago
13

Let f(x) = 3x + 5 and g(x) = x2. Find g(x) − f(x).

Mathematics
1 answer:
Gnesinka [82]3 years ago
7 0

Answer:

2x-(3x+5) = -x-5

Step-by-step explanation:

     2x + 0

-

     3x + 5

-———————-

     -x - 5

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A publisher reports that 30% of their readers own a particular make of car. A marketing executive wants to test the claim that t
IgorLugansk [536]

Answer:

we will fail to reject the null hypothesis and conclude that there's insufficient evidence to support the claim that the percentage is actually more than the reported percentage

Step-by-step explanation:

We are given;

Population proportion; p = 30% = 0.3

Sample proportion; p^ = 37% = 0.37

Sample size; n = 100

Let's define the hypotheses;

Null hypothesis; H0: p ≤ 0.3

Alternative hypothesis; Ha: p > 0.3

Formula for the test statistic is;

z = (p^ - p)/√(p(1 - p)/n)

Thus;

z = (0.37 - 0.3)/√(0.3(1 - 0.3)/100)

z = 0.07/0.04582575695

z = 1.53

From z-distribution table, at z=1.53 we have;

p-value = 1 - 0.9370 = 0.063

This p-value is greater than the significance level of 0.02 and thus we will fail to reject the null hypothesis and conclude that there's insufficient evidence to support the claim that the percentage is actually more than the reported percentage

5 0
2 years ago
What’s this answer plzz
Mumz [18]

Answer:

y=1/2x+7

Step-by-step explanation:

No work needed

8 0
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1. Which statement is true about the solutions to
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Step-by-step explanation:

(B).(x=5 or -5) is the homogeneous mixture

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Kelly ran 26.8 miles over 4 days at the beach. She ran the same number of miles each day. How far did she run each day?
mario62 [17]

Answer:

Easy it 6.4 you get it by dividing.

Step-by-step explanation:

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3 years ago
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Answer:

3 packets of burgers =12

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Step-by-step explanation:

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