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matrenka [14]
3 years ago
15

Let a and b be real numbers, where a + b +0.

Mathematics
1 answer:
serious [3.7K]3 years ago
6 0

Answer: The first one (A) f(x)= x (x-a)(x-b)²

Step-by-step explanation: Trust me, it’s right

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The volume of a CONE-shaped hole is 75pi ft cubed. If the hole is 9 feet deep, what is the radius of the hole?
Arturiano [62]

Answer:

The radius of hole is 5 feet

Step-by-step explanation:

Depth of conical hole = 9 feet

Let the radius of hole be r

Volume of conical hole =\frac{1}{3} \pi r^2 h

So, Volume of conical hole =\frac{1}{3} \pi \times r^2 \times 9

We are given that volume of a CONE-shaped hole is 75pi ft cubed.

So,\frac{1}{3} \pi \times r^2 \times 9=75 \pi

\frac{1}{3} \times r^2 \times 9=75

r^2=\frac{75 \times 3}{9}

r=\sqrt{\frac{75 \times 3}{9}}

r=5

Hence The radius of hole is 5 feet

6 0
3 years ago
Identify two composite numbers that each have 8 as a factor.
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Two composite numbers that have 8 as a factor are 16 and 24.
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Distributing property and combining like terms <br> -10(1-3x)-10
ikadub [295]

Answer:

-20 + 30x

Step-by-step explanation:

-10(1) = -10

-10(-3x) = 30x

new equation

-10 + 30x -10

-10 + -10 = -20

-20 + 30x

7 0
3 years ago
The scatter plot below shows the height of a tree over time. What is the approximate height of the tree after 10 years show work
gladu [14]
17ft, you go across x-axis till 10(years) and vertically look up to the line which co-ordinates x-axis with y-axis and look up the height(ft)
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3 years ago
A savings account that pays interest every six months is said to have a ___ Interest period.
Doss [256]

Answer:

C. Semiannual

8 0
3 years ago
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