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marishachu [46]
2 years ago
5

Please help needed its due soon

Mathematics
1 answer:
stiks02 [169]2 years ago
7 0

424.12inches squared

Step-by-step explanation:

Formula= pie X radius squared X height

3.14 times 9 times 15

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In what direction does the function f(x)=−(14x−1)(4x+1) open? Explain.
Svetradugi [14.3K]

Answer: Direction opens downward

Step-by-step explanation:

X-Intercept: (1/14,0),(-1/4,0)

Y-Intercept: (0,1)

Find the vertex using x= -b/2a

Plug it into the vertex form = y=a(x-h)^2 +k

H,K will identify the direction.

4 0
3 years ago
Options for first blank: V=PR V=(PR)^(1/2) V=P^2R Options for second blank 16 5 4
oksano4ka [1.4K]

Answer:

The formula to find the voltage is:

v=\sqrt{P*R}

And the voltage is 4 volts

Step-by-step explanation:

To get the equation of voltage you need to isolate v in one side of the equation. In order to do that, you need to remove the divisor/denominator and its square. How will you do that?

First, multiply both sides with R:

P*R=\frac{v^{2} }{R} *R

That would result into removing the divisor R from the right side of the equation:

P*R=v^{2}

Next, square-root both sides:

\sqrt{P*R} =\sqrt{v^{2} }

That would result in removing the square of v from the right side of the equation:

\sqrt{P*R} =v

Thus we get the equation, v=\sqrt{P*R}.

To find out the voltage, simply replace R with 32 and P with 0.5

v=\sqrt{0.5*32}

r=\sqrt{16}

r=4

Thus, the voltage is 4 volts.

4 0
3 years ago
Just some simple fraction problems, I am stuck on this though.
Zina [86]

Answer:

5 1/6 ÷ 4 2/3 = 31/28

3 3/4 ÷ 1 2/8 = 3

4 2/4 ÷ 2 1/4 = 2

5 2/5 ÷ 1 4/5 = 3

4 2/8 ÷ 3 2/4 = 17/4

3 3/9 ÷ 2 4/12 = 10/7

7 1/2 ÷ 3 3/5 = 25/12

6 2/8 ÷ 3 1/3 = 15/8

Explanation:

5 1/6 ÷ 4 2/3 = 31/6 ÷ 14/3 = (31/14) / (6/3) = (31/14) / 2 [when you divide by a certain number you multiply that number by the denominator] = 31/28

5 1/6 ÷ 4 2/3 = 31/6 ÷ 14/3 = 31/6 × 3/14

7 0
3 years ago
No links, ty <3
levacccp [35]

Answer:

sAy yOu aRe mY bAkA

Step-by-step explanation:

ty for the points <3

4 0
3 years ago
Do 3 lines always, sometimes or never intersect at one point?
Pie

Answer:

Sometimes

Step-by-step explanation:

Three line sometimes intersect

7 0
3 years ago
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