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lord [1]
3 years ago
9

PLEASE HELP WITH MATH QUESTION !!! ( WILL MARK BRAINLIEST )

Mathematics
1 answer:
rosijanka [135]3 years ago
8 0

Answer:

any figure is given?? I think so

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Determine the missing length. Show your work!
posledela

Answer:

15

Step-by-step explanation:

Pythagorean theorem: the sum of the squares on the legs of a right triangle is equal to the square on the hypotenuse.

C = the square root of A squared + B squared.

plug in the numbers

C = the square root of 9 squared + 12 squared = 15

8 0
3 years ago
Read 2 more answers
A ball is thrown vertically in the air with a velocity of 90ft/s. Use the projectile formula h=−16t2+v0t to determine at what ti
Debora [2.8K]

Answer:

t=1.7 \ sec\ , t=4.0\ sec

Step-by-step explanation:

<u>Vertical Throw</u>

It refers to a situation where an object is thrown verticaly upwards with some inicial speed v_o and let in free air (no friction) until it completes its movement up and finally returns to the very same point of lauch. The only acting force is gravity

The projectile formula is given as

h=-16t^2+v_0t

where t is time in seconds, h is the height in feet and v is the speed in ft/sec

We are required to find the time t where h=120 ft, knowing v_o=90\ ft/sec

-16t^2+90t=120

Rearranging

-16t^2+90t-120=0

This is a second-degree equation which will be solved with the formula

\displaystyle x=\frac{-b\pm \sqrt{b^2-4ac}}{2a}

\displaystyle x=\frac{-90\pm \sqrt{90^2-4(-16)(-120)}}{2(-16)}

\displaystyle x=\frac{-90\pm \sqrt{1380}}{-32}

Two solutions are obtained

\boxed{t=1.7 \ sec\ , t= 4.\ sec}

Both solutions are possible because the ball actually is at 120 ft in its way up and then when going down

6 0
3 years ago
Read 2 more answers
What is 1 1/10 in a percent
makkiz [27]
The answer is 110%...
6 0
4 years ago
6
swat32
If B was missed typed and is suppose to say 11h + 6=39 then that is your answer but if not none of these are correct
3 0
3 years ago
Read 2 more answers
X4 - 4k3 + 4k Factor out the GCF of all three terms<br>​
Tatiana [17]

Answer:

Step-by-step explanation:

There isn't one. The first term is x^4.

The other two are stated in terms of k. There is nothing common here.

You can do 2 of the three. Terms 2 and 3 have a common factor of 4k, so what you can get is

x^4 - 4k(k^2 - 1)

5 0
3 years ago
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