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3 years ago

5

A region where there is a large Amusement park is experiencing a heatwave officials at the park at a scatter plot showing the nu

mber of visitors in the park require and first aid during the heat wave. which functions best models the given data?

1 answer:

Andreas93 [3]3 years ago

6 0

Answer:

A

Step-by-step explanation:

Vertex appear to be at (5,115)

A) h = -b/2a

= -(20)/2(-2) = 5

k = -2(5²) + 20(5) + 60 = 110

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A sound wave travels through iron at a rate of 5120\,\dfrac{\text{m}}{\text{s}}5120 s m 5120, start fraction, start text, m, e

klio [65]

Answer:

18432 km/h

Step-by-step explanation:

It is given that a sound wave travels through iron at a rate of 5120 m/s.

We know that

1 km = 1000 m

1 hour = 60 minutes

1 minutes = 60 second

Using these conversions we get

1 m = 0.001 km

1 hour = 3600 second

$5120\text{ m/s }=5120\times 0.001\times 3600\text{ km/h}$

$5120\text{ m/s }=18432\text{ km/h}$

Therefore, the sound wave travels through iron at a rate of 18432 km/h.

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3 years ago

PLSSSS HELP MEEE IM FIXING MY GRADES 2 to the power of 2 + 2(4 − 2)

Vitek1552 [10]

Answer:

8

Step-by-step explanation:

2^2+2(4-2)

4+8-4

8

Hope this helps :D

4 0

2 years ago

Read 2 more answers

What's the answer???????

Klio2033 [76]

Your answer is d hope this helps

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2 years ago

Someone please help me on this I'm unsure if my answer is correct

mafiozo [28]

Answer:

A. length = 23 cm; width = 5 cm

Step-by-step explanation:

So if 4 times the width would be $4w$ and 3 more than would be $+ 3$ , the equation would be $l = 4w + 3$ . If the perimeter is 56, then the new equation, $2(4w + 3) + 2(w) = 56$ can be formed. This simplifies to $8w + 6 + 2w = 56$ , then to $10w + 6 = 56$ , then to $10w = 50$ , and finally, $w = 5$ . So the width is 5, and now plug it into the first equation.

$l = 4(5) + 3$ , becomes $l = 20 + 3$ , becomes $l = 23$ .

So the dimensions are: length = 23 cm, width = 5 cm.

*And just to be sure, $2(23 + 5) = 2(28) = 56$ which is correct.

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2 years ago

In August, James begins school shopping for his triplet daughters. One day, he bought 10 pairs of socks for $2.50 each and 3 pai

denpristay [2]

Answer:

2.50*10 350+d

Step-by-step explanation:

thats the answer up below

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2 years ago