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Ne4ueva [31]
3 years ago
15

PLEASE HELP ME I AM BIENG TIMED! I WILL GIVE A BRANLIEST AND POINTS!

Mathematics
2 answers:
marusya05 [52]3 years ago
3 0
In doing this you can use the factoring method to do this faster. Start by dividing both sides by two to simplify the equation. X^2 now equals 100.

You can move 100 to the other side of the equation so that x^2-100=0. You can now factor and solve using the zero product property.

x^2-100=0
(x+10)(x-10) = 0
x equals 10 and -10.
Ostrovityanka [42]3 years ago
3 0

Answer:

ill help if you can spell "bieing" the right way

Step-by-step explanation:

just saying

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A rocket carrying fireworks is launched from a hill 80 feet above a lake. The rocket will fall into lake after exploding at its
Anton [14]

Answer:

t = 2secs

Step-by-step explanation:

Given the height above the surface expressed as h = -16t^2 + 64 t + 80.

The velocity of the rocket at its maximum height is zero. Hence;

v(t) = dy/dt = 0

dy/dt = -32t + 64

0 = -32t + 64

32t = 64

t = 64/32

t = 2secs

Hence the rocket will hit the lake after 2 secs

4 0
3 years ago
1. Parallelogram WXYZ is shown on the coordinate plane ect... <br><br> Added photo plz help!!
aliya0001 [1]

Answer:

Step-by-step explanation:

12.718 units

Step-by-step explanation:

The coordinates of the vertices of parallelogram WXYZ are given to be W(0,-1), X(4,0), Y(3,-2) and Z(-1,-3).

So, the perimeter of the parallelogram will be 2(WX + XY) {Since opposite sides of parallelogram are same in length}

Now, length of WX =  units,  To find the units click this link :

https://tex.z-dn.net/?f=%5Csqrt%7B(-1)%5E%7B2%7D%20%2B%204%5E%7B2%7D%20%7D%20%3D%20%5Csqrt%7B17%7D%20%3D%204.123

And, length of XY =  units, To find the units click this link :

https://tex.z-dn.net/?f=%5Csqrt%7B(4-3)%5E%7B2%7D%20%2B%20(0-(-2))%5E%7B2%7D%7D%20%3D%20%5Csqrt%7B5%7D%20%3D%202.236

Therefore, the perimeter of the parallelogram WXYZ = 2(4.123 + 2.236) = 12.718 units. (Answer)

5 0
2 years ago
Find the measure of &lt; 1.<br> 41<br> [?]<br> Enter
serious [3.7K]
The answer is 68°

step by step :
8 0
3 years ago
Read 2 more answers
a triangular flower bed needs a thin metal border all the way around it. The sides are 7 feet, 6 feet, and 9 feet long.
kotegsom [21]
Excuse my awful triangle drawing skills, haha..
So essentially you need to find the perimeter which is done by adding the lengths of the sides.. this gives you 22ft.
Then for part b you need to convert 22ft to yards which gives you 7.3 yards.
Since you can only buy a whole number of yards, you'll actually need 8 yards.
So if the boarder is $8.75 per yard, and you need 8 yards, how much would it cost?
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7 0
3 years ago
Which line segments do you draw to find the center of a circle circumscribed about a triangle?
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You draw perpendicular bisectors to find the center of a circle circumscribed about a triangle. Hook me up with 5 stars :)

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