3 years ago

I don't know what to do

Mathematics

1 answer:

Anni [7]3 years ago

6 0

F(4)=11 because 4 is bigger than one, so it was the bottom equation you had to do.

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A toy rocket launched into the air has a height ( h feet) at given time ( t seconds) as h= -16^2+160t until it hits the ground.

Gennadij [26K]

Answer:

$t = \frac{53}{32}$

Step-by-step explanation:

$h=\:-16^2+160t$

$9=\:-16^2+160t$ $substitute$

$-16^2+160t=9$

$-256+160t=9$

$-256+160t+256=9+256$

$160t=265$

$\frac{160t}{160}=\frac{265}{160}$

$t=\frac{53}{32}$

At $\frac{53}{32}$ seconds it is at a height of 9 ft.

4 0

3 years ago

Find the value of given expression<br><br><img src="https://tex.z-dn.net/?f=x%20%3D%20%20%5Csqrt%7B27%7D%20%20%5Ctimes%20%20%5Cs

Arisa [49]

Answer:

To attain

➠The value of √27*√3

Solution

➠

$\sqrt{27} \times \sqrt{3 } \\ = > \sqrt{81} \\ = > 9$

Hence, 9 is the resulting Value for √27*√3

6 0

3 years ago

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Pleaseeee help!!!!!!!!!!! I'll see if I could give you Brainliest

Ludmilka [50]

Answer:

6/4 or 1 1/4

Step-by-step explanation:

1/4 times 6 because the question is asking for the recipe to be made 6 times. So 1/4 times 6 or 1/4 time 6/1 is 6/4 or 1 1/4.

4 0

3 years ago

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How to solve equation x/6 + 7 = 20?

hoa [83]

X/6 + 7 = 20

subtract 7 from each side

x/6 + 7 - 7 = 20 - 7
x/6 = 13

multiply each side by 6 to get x alone

x/6 • 6 = 13•6
x = 78

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3 years ago

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The heights of women aged 20 – 29 in the United States are approximately Normal with mean 64.2 inches and standard deviation 2.8

Bumek [7]

Answer: 0.64

Step-by-step explanation:

Given : The heights of women aged 20 – 29 in the United States are approximately Normal with $\mu=64.2$ inches and $\sigma=2.8$ inches.

Let x denotes the height of women.

Since 1 feet = 12 inches

5.5 feet = $5.5\times12=66$ inches

Then, the z-score corresponds to x=66 inches will be :-

$z=\dfrac{66-64.2}{2.8}=0.642857142857\approx0.64$

Hence, the z ‑score for a woman 5.5 feet tall = 0.64

8 0

4 years ago