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miv72 [106K]
3 years ago
8

Anyone knows more about algebric expressions??? Who voulenteer to teach me​

Mathematics
1 answer:
Tresset [83]3 years ago
5 0

algebraic expressions could be easy or hard

how difficult are u talkin

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The function f(t)=-16 + 100 models the height of a ball, in feet, dropped from a 100-foot rooftop at time t, in seconds.
Mazyrski [523]

Using it's concept, it is found that the average rate of change of the function during the interval from 0 to 2 seconds is given by:

B. -32 ft/s; the average change in altitude of the ball each second over that interval.

<h3>What is the average rate of change of a function?</h3>

The average rate of change of a function is given by the change in the output divided by the change in the input. Hence, over an interval [a,b], the rate is given as follows:

r = \frac{f(b) - f(a)}{b - a}

In this problem, the function is given by:

f(t) = -16t² + 100.

The outputs are given as follows:

  • f(0) = -16(0)² + 100 = 100.
  • f(0) = -16(2)² + 100 = 36.

Hence the average rate of change is given by:

r = (36 - 100)/(2 - 0) = -32 ft/s.

And the correct option is:

B. -32 ft/s; the average change in altitude of the ball each second over that interval.

More can be learned about the average rate of change of a function at brainly.com/question/24313700

#SPJ1

8 0
1 year ago
Bonjour,est ce que vous pouvez me faire cette exo svp
saveliy_v [14]
Salut. BC²=AC²-AB² , BC=√((10)²-(8)²) , BC=√(100-64) , BC=√36 , BC=6cm. J'espere t,avoir aidé
7 0
3 years ago
You buy 3.16 pounds of pears​, 1.45 pounds of oranges​, and 2.62 pounds of peaches. What is your total​ bill?
pentagon [3]

Answer:

$8.46

Step-by-step explanation:

pears = $3.76

oranges = $1.58

peaches = $3.12

(i believe this is correct but I am not 100% sure)

3 0
3 years ago
Plz help ASAP plz help
Serggg [28]

Answer:

t=12

Step-by-step explanation:

5t / 4 = 18 - 3

5t / 4 = 15

5t = 15 x 4

5t = 60

t = 12

Hope that helps!

5 0
2 years ago
Read 2 more answers
Carey has $25.00 to spend. He decided to buy a DVD for $10.25 and spend
Mrrafil [7]

Answer:

He can buy 7 bags.

Step-by-step explanation:

25 - 10.25 = 14.75

14.75 can't be divided by 1.99 so we round up 1.99 to 2.

Then we divide ;)

Hope this helped!

5 0
3 years ago
Read 2 more answers
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