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alex41 [277]
4 years ago
11

Arianna kicks a soccer ball off the ground and into the air with an initial velocity of 42 feet per second. Assume the starting

height of the ball is 0 feet. Approximately what maximum height does the soccer ball reach? (1 point)
A. 1.3 ft
B. 2.6 ft
C.26.0 ft
D. 27.6 ft
Mathematics
1 answer:
ohaa [14]4 years ago
4 0
The answer would be D 27.6 ft


Hope it helps
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Hunter-Best [27]

Answer:

D. -3.3

Step-by-step explanation:

=> 2.8x = -9.24

=> x = -9.24/2.8

=> x = -3.3

5 0
3 years ago
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Given a slope of 2 and a point on the line (1,5), find the y-intercept (b) and write the equation in slope intercepts form (y =
dybincka [34]

Answer:

C.) y=2x+3

Step-by-step explanation:

m=2 (given) or 2/1 to illistrate the point

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HELPPP URGENT!!!
Nady [450]

Answer:

-68ft, or 68ft below sea level

Step-by-step explanation:

-72+4=-68

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7By%7D%20%287%5Csqrt%5B3%5D%7B8y%5E2%7D-%5Csqrt%5B3%5D%7By%5E5%7D%20-4y%5Csqrt%
noname [10]

Answer:

\huge\boxed{-y^2+2y}

Step-by-step explanation:

\sqrt[3]y\cdot\left(7\sqrt[3]{8y^2}-\sqrt[3]{y^5}-4y\sqrt[3]{27y^2}\right)\\\\=(\sqrt[3]y)(7\sqrt[3]{8y^2})-(\sqrt[3]y)(\sqrt[3]{y^5})-(\sqrt[3]y)(4y\sqrt[3]{27y^2})\\\\=7\sqrt[3]{(y)(8y^2)}}-\sqrt[3]{(y)(y^5)}-4y\sqrt[3]{(y)(27y^2)}\\\\=7\sqrt{8y^3}-\sqrt{y^6}-4\sqrt{27y^3}\\\\=7\sqrt[3]{2^3y^3}-\sqrt{y^{2\cdot3}}-4\sqrt{3^3y^3}\\\\=7\sqrt[3]{(2y)^3}-\sqrt{(y^2)^3}-4\sqrt{(3y)^3}\\\\=7\cdot2y-y^2-4\cdot3y\\\\=14y-y^2-12y\\\\=-y^2+2y

Used:

a(a+b)=ab+ac\\\\\sqrt[3]{a\cdot b}=\sqrt[3]a\cdot\sqrt[3]b\\\\\sqrt[3]{a^3}=a\\\\(a^n)^m=a^{n\cdot m}

7 0
2 years ago
Let f(x)=3x-6. Is f one-to-one? If it is find f^-1, if not explain why.
beks73 [17]

Answer:  Yes,  \bold{f^{-1}(x)=\dfrac{x+6}{3}}

<u>Step-by-step explanation:</u>

f(x) = 3x - 6    is a line so it is a function  because

                      it passes the vertical line test

                              and the horizontal line test

To find the inverse, swap the x's and y's and solve for y

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8 0
3 years ago
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