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rodikova [14]
2 years ago
15

Look at the figure:

Mathematics
1 answer:
photoshop1234 [79]2 years ago
7 0
PLZ HELP IVE BEEN WAITING FOR 1HR : <span>A rectangular prism has a length of 8 in., a width of 4 in., and a height of 2 1/4 in.

The prism is filled with cubes that have edge lengths of 1/4 in.

How many cubes are needed to fill the rectangular prism?</span>
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-16t squared + 16t + 480 t=time after jumping in seconds h=height in feet How many seconds did did it take her to hit the water
Agata [3.3K]
That is height
h=16t^2+16t+480
when h=0 is when it hits the water

0=16t^2+16t+480
undistribbute 16 for ease
0=16(t^2+t+30)
16*0=0 so assume
t^2+t+30=0
factor
(t+6)(t-5)=0
set to zero

t+6=0
minus 6
t=-6
false, since you cannot have negative time

t-5=0
add 5
t=5

at t=5 she hits the water


5 seconds
4 0
3 years ago
How to find the long side of a right triangle that has two same short side?
Nataliya [291]
To find the hypotenuse of a right triangle, you must use a^2 + b^2 = c^2

* keep in mind the hypotenuse MUST be larger than the legs.

The Pythagorean Theorem comes from making 2 squares from the lengths of each leg (that is why it is a^2 and b^2). The hypotenuse must be equal to the area of the two squares created.
8 0
2 years ago
While Edward was visiting his sister in Westminster, he bought a toothbrush that was marked down 80% from an original price of $
Andre45 [30]

Answer:

$1.78

Step-by-step explanation:

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3 years ago
X<img src="https://tex.z-dn.net/?f=%28x%5E%7B2%7D%20%2Bx%2B2%29%28x%5E%7B2%7D%20%2B4x%2B2%29%2B2x%5E%7B2%7D" id="TexFormula1" ti
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Answer:

x

(

2

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5 0
2 years ago
Anybody know this struggling all day with these math questions
Inga [223]

Answer:

its (-1/2,-5/2),(2,5)

Step-by-step explanation:

Substitute 2x2−3 for y into y=3x−1then solve for x.

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