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Bumek [7]
2 years ago
12

An object is launched at 39.2 meters per second (m/s) from a 42.3-meter tall platform. The equation for the object's height s at

time t seconds after launch is s(t) = -4.9t^2 + 39.2t + 42.3 where s is in meters. Create a table of values and graph the function. Approximately when will the object hit the ground?
Explain
Mathematics
1 answer:
vova2212 [387]2 years ago
4 0

Just add the numbers up and see if that works

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What is the opposite of |-6|
kykrilka [37]

Answer:

-6

Step-by-step explanation:

the answer of |-6|

is 6 if we're gonna talk about the opposite it will be negative

3 0
2 years ago
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Which linear function represents the table?
Nadusha1986 [10]

Answer:

C  

Step-by-step explanation:

8 0
3 years ago
2. The ratio of radii of two cylinders is 1:2 and heights are in the ratio 2:3. Find the ratio of their volumes.
Savatey [412]

Answer: \frac{1}{6} or 1:6

Step-by-step explanation:

The volume of a cylinder can be found with the following formula:

V=\pi r^2h

Where "r" is the radius and "h" is the height of the cylinder.

In this case, let be:

- V_1 the volume of one of this cylinders and V_2 the volume of the other one.

- r_1 the radius of the first one and r_2 the radius of the other cylinder.

- h_1 the height of one of them and h_2 the height of the other cylinder.

Then:

V_1=\pi r_1^2h_1\\\\V_2=\pi r_2^2h_2

Therefore, you know this:

\frac{V_1}{V_2} =\frac{\pi r_1^2h_1}{\pi r_2^2h_2}

Simplifying, you get:

\frac{V_1}{V_2} =\frac{ r_1^2h_1}{ r_2^2h_2}

Now, knowing the ratios given in the exercise, you can substitute them into the equation:

\frac{V_1}{V_2} =\frac{1^2*2}{ 2^2*3}

Evaluating, you get:

\frac{V_1}{V_2} =\frac{2}{ 4*3}\\\\\frac{V_1}{V_2} =\frac{2}{12}\\\\\frac{V_1}{V_2} =\frac{1}{6}

4 0
3 years ago
I would like to request help for this problem. I am having trouble understand how to solve the problem.
VashaNatasha [74]

Answer:

The answer would be C.

Step-by-step explanationIt is C.!!!!!

6 0
3 years ago
Write a system of equations that could be used to solve the situation described below.
attashe74 [19]

If there are 12 coins under the couch and every coin is either a nickel or a penny and together they are forming 32 cents then the equations which represent the problem will be x+y=12, 0.01x+0.05y=0.32. The correct option is B which is x+y=12, 0.01x+0.05y=0.32.

Given There are 12 coins and total money is 32 cents.

Let the number of pennies be x and the number of  nickels be y.

According to question there are 12 coins so the first equation becomes:

x+y=12.

Then we have been told that together they amount to 32 cents.

We know that 1 penny is 1 cent coin and 1 nickel is 5 cent coin so the equation becomes :

1*x+5*x=32

x+5y=32

converting into dollar

0.01x+0.05y=0.32.

Hence the right equations showing the problem of nickel and pennies are x+y=12, 0.01x+0.05y=0.32.

Learn more about equations here brainly.com/question/2972832

#SPJ10

3 0
1 year ago
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