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MakcuM [25]
2 years ago
9

When finding the common denominator between fractions, which value can be helpful, GCF, or LCM? How?

Mathematics
1 answer:
Angelina_Jolie [31]2 years ago
4 0

Answer:

The answer would be GCF because when you finding the common denominator GCF is how you do it. at least thats what I do and I got it right! :p

hope this helps! :) I don't really know how to explain lol

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a conical tank with vertex down is 10 feet across the top and 12 feet deep. If water is flowing out of the tank at a rate of 12
TiliK225 [7]

Answer:

The water level is dropping at a rate of 0.24 ft/s

Step-by-step explanation:

Here, we simply want to calculate the change in depth (height of the cone) , given the volume change

Mathematically, we have the volume of a cone as;

V = 1/3 * π * r^2 * h

we are given dv/dt as 12 ft^3/m

dv/dh = 1/3 * π * r^2

Substituting the value for the radius, we have

dv/dh = 1/3 * 22/7 * 4^2 = 50.29

dh/dt = dh/dv * dv/dt

dh/dv = 1/(dv/dh) = 1/50.29

Thus,

dh/dt = 1/50.29 * 12

dh/dt = 0.24 ft/s

3 0
3 years ago
If 8(x + 2) - 3( x - 4) = 6( x - 7) + 8, then x is what?
Lelechka [254]

Answer:

62

Step-by-step explanation:

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5 0
3 years ago
HELP ME PLEASE !!!!!!!!!!!!!!!!!!!!!!!!!!!
scoray [572]
7x-3=60
7x=63
x=9

11y+5=60
11y=55
y=11

hope this helps!!!
5 0
3 years ago
5. Lauren has $50 to spend at the Strawberry Festival. She spends $ 10 on admission and $12 on strawberry shortcake. She wants t
olga55 [171]

For this case we have that Lauren's initial amount of money was $ 50, if he spends $10 and $12 on admission and strawberry pie respectively we have:

$50 - ($10 + $12) = $50- $22 = $28

That is, she has $ 28 left

n: Let the variable that represents the amount of games Lauren can play.

Then, it must be fulfilled that:

0.75n \leq28\\n \leq \frac {28} {0.75}\\n \leq37.33

Thus, Lauren can play 37 times the game (at most)

ANswer:

n \leq37.33

Thus, Lauren can play 37 times the game (at most)

4 0
3 years ago
Will givebrainliest if answered correct
polet [3.4K]

Answer:

60

Step-by-step explanation:30+30

4 0
3 years ago
Read 2 more answers
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