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sergiy2304 [10]
3 years ago
5

Please help almost out of time... simplify completely

Mathematics
1 answer:
Musya8 [376]3 years ago
5 0

8*t^2 / 13*s is the correct answer

Hope this helps!

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7. A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the
svp [43]

Answer: 475.59 meters .

Step-by-step explanation:

The correct equation is the following:

y =-0 .02x^2 +9.5x + 5.6

For this exercise you need to use the Quadratic formula:

x = \frac{-b\±\sqrt{b^2-4ac}}{2a}

In this case you can identify that the values of "a", "b" and "c" are:

a=-0.02\\\\b=9.5\\\\c=5.6

Now you must substitute these values into the Quadratic formula and then evaluate. You get:

x=\frac{-9.5\±\sqrt{(9.5)^2-4(-0.02)(5.6)}}{2(-0.02)}\\\\x_1=475.588\\x_2=-0.588

Choose the positive one and round it to the nearest hundreth:

x_1\approx 475.59

4 0
3 years ago
The residents of a city voted on whether to raise property taxes. The ratio of yes votes to no votes was 5 to 4 . If there were
Kamila [148]
If there were 5 yes votes for every 4 no votes, there were 5 yes votes for every 9 total votes, so 5/9 of the 7911 votes were yes.  5/9*7911=4395.
7 0
3 years ago
What is the inverse of <br><br> X^2-2x+3
schepotkina [342]
So you have x, then you square it to get x^2, then you minus 2x, then +3
The inverse is going backwards so you -3 then +2x then square root x
So you get square root x + 2x -3
I'm pretty sure this is right, sorry if I'm wrong.
4 0
3 years ago
98 = x + 55 what is it????
strojnjashka [21]

Answer:

x = 43

Step-by-step explanation:

x = 98 - 55

<u>x = 43</u>

3 0
3 years ago
Read 2 more answers
Find the coordinates of the Ortho center of triangle ABC with vertices A(2,6) B (8,6) and C (6,2)
liq [111]
The ortho center is (6,4).

3 0
3 years ago
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