4 years ago

Please pleasse help math graph 17 pts

Mathematics

1 answer:

Dahasolnce [82]4 years ago

8 0

c is your answer

hope this helps

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Let f(x) = -3x2 + 6x. Find f(2).

rusak2 [61]

Answer:

f(2) = 0

Step-by-step explanation:

All we have to do is substitute 2 in for x everywhere in the expression defined by f(x)

-3(2)(2) + 6(2)

-12 + 12

8 0

3 years ago

I need help doing -12 plus -12 as a world wide explanation

Musya8 [376]

Answer:

-24

Step-by-step explanation:

hope it helps have a good day/night :)

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3 years ago

drug sniffing dogs must be 95% accurate in their responses because their handlers don't want them to miss durgs and also don't w

GenaCL600 [577]

Answer:

95% Confidence interval: (0.8449,0.9951)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 50

Number of times the dog is right, x = 46

$\hat{p} = \dfrac{x}{n} = \dfrac{46}{50} = 0.92$

95% Confidence interval:

$\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

Putting the values, we get:

$0.92 \pm 1.96(\sqrt{\dfrac{0.92(1-0.92)}{50}})\\\\ = 0.92\pm 0.0751\\\\=(0.8449,0.9951)$

(0.8449,0.9951) is the required 95% confidence interval for the proportion of times the dog will be correct.

7 0

3 years ago

Merrell spend a total of $68.82 for two pairs of sneakers with the same cost sales tax is 5.32 meryl also uses a coupon for thre

prisoha [69]

Answer:

$71.14

Step-by-step explanation:

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3 years ago

The difference of two numbers is 3. Their sum is 13. Find the numbers

tekilochka [14]

Subtract 3 from 13 you get 10, divide that by two, you get 5, so one number is 5 and then add the three to the other 5, you get 8
The numbers are 5 & 8

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3 years ago