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2 years ago

9

The bucket is in the form of a cylinder whose radius is 5 feet and height is 8 inches. Find the volume of the cylinder.

1 answer:

ivann1987 [24]2 years ago

4 0

Answer:

k h098j0

Step-by-step explanation:

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Solve the equation 14 = 14n

user100 [1]

Answer: I think the answer is n = 1.

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2 years ago

What is the domain of the following parabola? (5 points)

nikitadnepr [17]

Answer:

the domain for this parabola is all real numbers

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2 years ago

Twelve students have equally likely chance of being selected in a drawing at school. Eight are girls and four are boys. What is

lubasha [3.4K]

There are 4 boys and 12 students in total. It would be 4/12, but if it was to be simplified, it would be 1/3. The probability of a boy being selected is 1/3.

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3 years ago

Read 2 more answers

Write a quadratic function, in standard form, that fits the set of points. Solve it as a system of three equations. (-4, 9), (0,

Tresset [83]

Answer:

$\boxed{y=2x^2+4x-7}$

Step-by-step explanation:

Let the quadratic function be

$y=ax^2+bx+c$

We substitute $(-4,9)$ into the equation to obtain;

$9=a(-4)^2+b(-4)+c$

$\Rightarrow 9=16a-4b+c---(1)$

We substitute $(0,-7)$ to obtain;

$-7=a(0)^2+b(0)^2+c$

$\Rightarrow c=-7---(2)$

We finally substitute $(1,-1)$ to obtain;

$-1=a(1)^2+b(1)^2+c$

$\Rightarrow -1=a+b+c---(3)$

We put equation (2) into equation (1) to get;

$9=16a-4b-7$

$16a-4b=16$

$\Rightarrow 4a-b=4---(4)$

$\Rightarrow -1=a+b-7$

$\Rightarrow a+b=6---(5)$

We add equation (4) and (5) to get;

$4a+a=6+4$

$\Rightarrow 5a=10$

$\Rightarrow a=2$

We put $a=2$ into equation (5) to get;

$2+b=6$

$\Rightarrow b=6-2$

$\Rightarrow b=4$

The reqiured quadratic function is

$y=2x^2+4x-7$

7 0

2 years ago

I don't know how to do the middle one or how to show work

pogonyaev

Can you take another pic of it because it is blurry

5 0

3 years ago