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Andreas93 [3]
3 years ago
8

What values, rounded to the nearest whole number,

Mathematics
1 answer:
liq [111]3 years ago
4 0

Answer: -16, 81, 19

Step-by-step explanation:

f(x)=-16x^2+81x+0

19 feet

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6. To make purple gloves, a factory adds four red drops
-BARSIC- [3]

Answer:

Step-by-step explanation:

50 gallons(8 pints/gallon) = 400 pints

400 pints(4 drops/pint) = 1600 drops red dye

400 pints(3 drops/pint) = 1200 drops blue dye

4 0
3 years ago
How manany 45¢ stamps can you buy with $9?
Nat2105 [25]

Answer:

20 45¢ stamps

Step-by-step explanation:

Since 100¢ = $1,

you have to convert $9 into 900¢

900 ÷ 45 = 20

So you can buy 20 stamps

Hope this helps! :)


4 0
3 years ago
Help me please asap!
Blizzard [7]

4 · x^4 · x^4 · y

4 x^8 y

In words: four times x to the eighth times y

8 0
3 years ago
If a=b+3, express a+b in terms of b and evaluate the expression when b=3​
Reptile [31]

Step-by-step explanation:

a=b+3

when b=3

a+b= b+3+b= 2b+3 = 6+3=9

5 0
3 years ago
The height of a cone is two times its base diameter. What is the volume of the cone in terms of its base radius r? V = r2 V = r3
Gnom [1K]
So hmm check the picture below

the radius "r" is half the diameter, meaning, the diameter is 2r long
now, if the height "h" is twice "d" or 2d, then that means h = 2(2r)

thus    \bf \textit{volume of a cone}\\\\
V=\cfrac{\pi r^2 h}{3}\qquad 
\begin{cases}
h=height\\
r=radius\\
------\\
h=2(2r)
\end{cases}\implies V=\cfrac{\pi r^2[2(2r)]}{3}
\\\\\\
V=\cfrac{4\pi r^3}{3}

8 0
3 years ago
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