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2 years ago

A=lw Solve for w?? “One Step Problems”

Mathematics

1 answer:

Tresset [83]2 years ago

4 0

Answer:

w=A/l

Step-by-step explanation:

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Assume the population of regulation basketball weights are normally distributed with a mean of 22 and a standard deviation of 1

ankoles [38]

Answer: 0.0228

Step-by-step explanation:

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2 years ago

The fish population in a pond evolves according to the logistic equation and a percentage of fish are removed for each unitof ti

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Suppose that the carrying capacity is 900 fish, the intrinsic growth rate is equal to 2, and the harvest rate is 20%.

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2 years ago

What is x+x+x+x+x+x+x+x+x+x+b+b+b+b+3=

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Answer:

10x+4b+3

Step-by-step explanation:

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2 years ago

A teenager who is 5 feet tall throws an object into the air. The quadratic function LaTeX: f\left(x\right)=-16x^2+64x+5f ( x ) =

tia_tia [17]

Answer:

At approximately x = 0.08 and x = 3.92.

Step-by-step explanation:

The height of the ball is modeled by the function:

$f(x)=-16x^2+64x+5$

Where f(x) is the height after x seconds.

We want to determine the time(s) when the ball is 10 feet in the air.

Therefore, we will set the function equal to 10 and solve for x:

$10=-16x^2+64x+5$

Subtracting 10 from both sides:

$-16x^2+64x-5=0$

For simplicity, divide both sides by -1:

$16x^2-64x+5=0$

We will use the quadratic formula. In this case a = 16, b = -64, and c = 5. Therefore:

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

Substitute:

$\displaystyle x=\frac{-(-64)\pm\sqrt{(-64)^2-4(16)(5)}}{2(16)}$

Evaluate:

$\displaystyle x=\frac{64\pm\sqrt{3776}}{32}$

Simplify the square root:

$\sqrt{3776}=\sqrt{64\cdot 59}=8\sqrt{59}$

Therefore:

$\displaystyle x=\frac{64\pm8\sqrt{59}}{32}$

Simplify:

$\displaystyle x=\frac{8\pm\sqrt{59}}{4}$

Approximate:

$\displaystyle x=\frac{8+\sqrt{59}}{4}\approx 3.92\text{ and } x=\frac{8-\sqrt{59}}{4}\approx0.08$

Therefore, the ball will reach a height of 10 feet at approximately x = 0.08 and x = 3.92.

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2 years ago

PLEASE HELP ITS A TEST PLEASE PLEASE HELP!!!

german

Answer:

if it is a test why are u cheating

Step-by-step explanation:

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2 years ago