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3 years ago

10

As a basketball is bounced, the motion is parabolic. In the graph above, y = 0 represents hand level for a basketball player. Fi

nd the focus and directrix of the middle bounce (parabola).

1 answer:

WITCHER [35]3 years ago

3 0

Answer:

A on edge2020

Step-by-step explanation:

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Find the area. Simplify your answer.

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Ill need a photo?!! try pasting a photo so i can see it

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What is the sum of 1.9, 3.52 and .075

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5.495.............................

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What percent of 40 is 16?

kotegsom [21]

Answer: E. 40

Step-by-step explanation:

<u>Concept: </u>

- When you encounter questions that state "what percent of [a] is [b]" then it means asking for a fraction of b to a, which is "(b/a)×100%".

- If you are still confused, I would provide some examples

What percent of 20 is 5: (5/20)×100% = 25%
What percent of 10 is 2: (2/10)×100% = 20%

---------------------------------------------------------------------------

<u>Solve:</u>

(16/40)×100% = 0.4 × 100% = 40%

Hope this helps!! :)

Please let me know if you have any questions

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3 years ago

#15. A cube has a volume of 200 cm ^2 write the

levacccp [35]

Answer:

$2(25)^{\dfrac{1}{3}}$

Step-by-step explanation:

The volume of a cube is 200 cm².

We need to find the edge length of the cube.

The formula for the volume of a cube is given by :

$V=a^3$

a is the side of the cube

$a=\sqrt[3]{200} \\\\=(200)^{\dfrac{1}{3}}\\\\=(25\times 8)^{\dfrac{1}{3}}\\\\=(25)^{\dfrac{1}{3}}\times (8)^{\dfrac{1}{3}}\\\\=2(25)^{\dfrac{1}{3}}$

So, the edge length of the cube is $2(25)^{\dfrac{1}{3}}$ .

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3 years ago

Find the value of each of the following polynomial:

VLD [36.1K]

Answer:

Step-by-step explanation:

( i )

$p(x) = 4x^2 -3x + 7\\\\p(1) = 4(1)^2 - 3(1) + 7 = 4 - 3 + 7 = 1 + 7 = 8$

( ii)

$q(y) = 2y ^3 -4y + \sqrt{11}\\\\q(1) = 2( 1)^3 - 4(1) + \sqrt{11} = 2 - 4 + \sqrt{11} = -2 + \sqrt{11}$

(iii)

$r(t) = 4t^4 + 3t^3 -t^2+6\\\\r(p) = 4(p)^4 + 3(p)^3 - (p)^2 + 6= 4p^4 + 3p^3 -p^2 + 6$

(iv)

$s(z) = z^3 -1\\s(1) = (1)^3 -1 = 1 - 1 = 0$

(v)

$p(x) = 3x^2+5x-7 \\\\p(1) = 3(1)^2 + 5(1) - 7 = 3 + 5 - 7 = 8 - 7 = 1$

(vi)

$q(z) =5z^3 -4z +\sqrt{2}\\\\q(2) = 5(2)^3 - 4(2) \sqrt2 = (5 \times 8) - ( 4 \times 2) + \sqrt 2 = 40 - 8 + \sqrt 2 = 32 + \sqrt2$

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