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2 years ago

Only the first Critical Thinking question. (14 points for answer)

Mathematics

1 answer:

harina [27]2 years ago

5 0

#1) (1/7) (2/88) (1/5)

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Roger can make 3 bird houses in 5 hours. Which proportion could be used to determine how many bird houses Roger could build in 2

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Answer:

the answer should be 12

Step-by-step explanation:

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2 years ago

Which function is shown on the graph?

monitta

Answer:

y = (1/2) cos (x)

Step-by-step explanation:

It has the same period as cos x but only goes half as high and half as low. Normalyy, cos(x) goes up to 1 and down to -1.

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3 years ago

The point (-6, 4) is reflected over the x-axis.<br> What is the new point?

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Answer:

p (6, -4)-------------->p'(6,4)

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2 years ago

A shoe manufacturer collected data regarding men's shoe sizes and found that the distribution of sizes exactly fits the normal c

Lina20 [59]

Answer: 97.72%

Step-by-step explanation:

Given : A shoe manufacturer collected data regarding men's shoe sizes and found that the distribution of sizes exactly fits the normal curve.

Let x be the random variable that represents the shoe sizees.

Also, The population mean = $\mu=11$ ; Standard deviation: $\sigma=1.5$

Formula for z:-

$z=\dfrac{x-\mu}{\sigma}$

Put x= 8, we get

$z=\dfrac{8-11}{1.5}=-2$

Now, the probability that the male shoe sizes are greater than 8 :-

$P(x>8)=P(z>-2)=1-P(z\leq-2)\\\\=1-0.0227501=0.9772499\approx0.9772$

Hence, the percent of male shoe sizes are greater than 8 is 97.72%.

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2 years ago

HELP PLZ ASAP PLZ PLZ PLZ PLZ

alekssr [168]

It 5 hope it helps you have a good night

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2 years ago