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lilavasa [31]
3 years ago
10

There are 4 white and 8 red roses in a bouquet. Find the ratios. The ratio of the number of red roses to the number of white ros

es
Mathematics
1 answer:
pychu [463]3 years ago
7 0

Given:

Number of white roses = 4

Number of red roses = 8

To find:

The ratio of the number of red roses to the number of white roses.

Solution:

Using the given information, the ratio of the number of red roses to the number of white roses is

\text{Required ratio}=\dfrac{\text{Number of red roses}}{\text{Number of white roses}}

\text{Required ratio}=\dfrac{8}{4}

\text{Required ratio}=\dfrac{2}{1}

\text{Required ratio}=2:1

Therefore, the required ratio is 2:1.

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PLEASE SHOW WORK
CaHeK987 [17]

(C)

Step-by-step explanation:

The volume of the conical pile is given by

V = \dfrac{\pi}{3}r^2h

Taking the derivative of V with respect to time, we get

\dfrac{dV}{dt} = \dfrac{\pi}{3}\dfrac{d}{dt}(r^2h)

\:\:\:\:\:\:\:= \dfrac{\pi}{3}\left(2rh\dfrac{dr}{dt} + r^2\dfrac{dh}{dt}\right)

Since r is always equal to h, we can set

\dfrac{dr}{dt} = \dfrac{dh}{dt}

so that our expression for dV/dt becomes

\dfrac{dV}{dt} = \dfrac{\pi}{3}\left(3r^2\dfrac{dh}{dt}\right)

\:\:\:\:\:\:\:= \pi r^2\dfrac{dh}{dt}

Solving for dh/dt, we get

\dfrac{dh}{dt} = \dfrac{1}{\pi r^2}\dfrac{dV}{dt}

\:\:\:\:\:\:\:= \dfrac{1}{9\pi\:\text{m}^2}(36\:\text{m}^3\text{/s})

\:\:\:\:\:\:\:= \dfrac{4}{\pi}\:\text{m/s}

7 0
3 years ago
20 fish are in a bowl 8 die three swim away and six drown how many arein the bowl?
BaLLatris [955]
20-8=12
12-3=9
9-6=3
3 fish are in a bowl.
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7 0
2 years ago
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Riley invested $1,000 in savings bonds. If bonds earn 6.75% interest compounded semi-annually, how much will riley earn in 15 ye
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Answer:

$2,706.86

Step-by-step explanation:

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2 years ago
Your dad is putting a new circular swimming pool in the backyard that has the radius of 8 ft. If he wants to put bricks AROUND t
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Answer:

2r*3.14= c

Step-by-step explanation:

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He will need 51 feet of brick

3 0
2 years ago
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I need help asap please
olga55 [171]
8x^2y is correct
Hope this helps
8 0
3 years ago
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