3 years ago

I don’t know the answer and I’m doing a text I need help!

Mathematics

1 answer:

swat323 years ago

8 0

Answer:

your answer will be A

Step-by-step explanation:

^_^

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Evaluate: 3-mn if m=-4 and n=-8

alexira [117]

Answer:

The answer is -29

Step-by-step explanation:

All you have to do is plug -4 where m is and -8 where n is. Your equation would look like this... 3-(-4)(-8). Then all you have to do is plug it into your calculator and you will get -29.

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Due to inflation, a fixed quantity of money can buy 3% less every year. If Pam has enough in her wallet to buy 47 movie tickets

Nitella [24]

3% x 10 years is 30%. 47 - 30% is 14.1 or 14

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2. The difference between two numbers is 22. Twice the smaller number exceeds the larger number by 17. What are the two numbers?

drek231 [11]

Answer:61 and 39

Step-by-step explanation:

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3 years ago

What is the result of adding these two equations?

kicyunya [14]

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3 years ago

A ball is tossed up in the air at an initial rate of 50 ft/sec from 5 ft off the ground.

Fofino [41]

Answer with Step-by-step explanation:

Since we have given that

Initial velocity = 50 ft/sec = $v_0$

Initial height of ball = 5 feet = $h_0$

a. What type of function models the height (ℎ, in feet) of the ball after tt seconds?

As we know the function for height h with respect to time 't'.

$h(t)=-16t^2+v_0t+h_0\\\\h(t)=-16t^2+50t+5$

b. Explain what is happening to the height of the ball as it travels over a period of time (in tt seconds).

What function models the height, ℎ (in feet), of the ball over a period of time (in tt seconds)?

if it travels over a period of time then time becomes continuous interval . so it will use integration over a period of time

Our function becomes,

$h(t)=\int\limits^t_0 {-16t^2+50t+5} \, dt$

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3 years ago