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Sliva [168]
3 years ago
7

A math teacher has $900 to buy new calculators. If each calculator costs $90, how many

Mathematics
1 answer:
love history [14]3 years ago
6 0

Answer:

10 calculators

all you have to do is divide 900 by 90

in order to get the answer

when you divide by 90 you get the answer of 10

Step-by-step explanation:

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Zielflug [23.3K]

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h(t)=(t+3) 2 +5 h, left parenthesis, t, right parenthesis, equals, left parenthesis, t, plus, 3, right parenthesis, squared, plu
lesya692 [45]

Answer:

1

Step-by-step explanation:

If I understand the question right, G(t) = -((t-1)^2) + 5 and we want to solve for the average rate of change over the interval −4 ≤ t ≤ 5.

A function for the rate of change of G(t) is given by G'(t).

G'(t) = d/dt(-((t-1)^2) + 5). We solve this by using the chain rule.

d/dt(-((t-1)^2) + 5) = d/dt(-((t-1)^2)) + d/dt(5) = -2(t-1)*d/dt(t-`1) + 0 = (-2t + 2)*1 = -2t + 2

G'(t) = -2t + 2

This is a linear equation, and the average value of a linear equation f(x) over a range can be found by (f(min) + f(max))/2.

So the average value of G'(t) over −4 ≤ t ≤ 5 is given by ((-2(-4) + 2) + (-2(5) + 2))/2 = ((8 + 2) + (-10 + 2))/2 = (10 - 8)/2 = 2/2 = 1

Click to let others know, how helpful is it

3 0
4 years ago
Juliette made the jewelry box shown below. The jewelry box was shaped like a right rectangular prism.
goblinko [34]

Answer: 160.

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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