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2 years ago

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9966 [12]2 years ago

8 0

I know this isn’t a answer or a step by step explanation but can someone please help and explained this it’s so confusing and hard

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A ball is thrown upward from the top of a building. The function below shows the height of the ball in relation to sea level, f(

nexus9112 [7]

$f(x)=-16t^{2} +48t+100$
Average rate of change from t = 3 to t = 5 = $\frac{f(5)-f(3)}{5-3}= \frac{( -16(5^{2})+48(5)+100)-(-16(3^{2})+48(3)+100)}{2}= \frac{(-16(25)+240+100)-(-16(9)+144+100)}{2}=\frac{(-400+240+100)-(-144+144+100)}{2}= \frac{-60-100}{2}= 
$ $\frac{-160}{2}=-80$

6 0

3 years ago

What's the slope?? <br><br> Thank you!!! :)))

Alja [10]

Answer:

The slope of this line is 4

Step-by-step explanation:

The slope is determined with two points.

Take the pairs (0, - 9) and (1, - 5).

The slope is:

m = (y₂ - y₁) / (x₂ - x₁) = (- 5 - (-9)) / ( 1 - 0) = 4/1 = 4

8 0

9 months ago

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I need help I don't understand

8_murik_8 [283]

What grade are you in

4 0

2 years ago

Mr.Majors ordered six hot dogs and a bucket of popcorn at the conssestion stand.If the popcorn was $3.20 and the total was $18.2

iogann1982 [59]

6x+$3.20=$18.20
Subtract 3.20 from both sides
6x=$15
x=$2.50

Check:
6(2.50)+3.20=18.20
$15+$3.20=$18.20

4 0

3 years ago

Each floor of a building is 13.6 feet tall. If the height of the building is 108.8 feet, how many floors does the building have?

exis [7]

The answer is 8 floors

3 0

2 years ago

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