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3 years ago

17 is what percent of 32?

Mathematics

1 answer:

navik [9.2K]3 years ago

6 0

Answer:

53.13

Step-by-step explanation:

i just looked it up to back up my answer?

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The summer has ended and it’s time to drain the swimming pool. 20 minutes after pulling the plug, there is still 45 000L of wate

WITCHER [35]

Answer:

a) -900 L/min

b) 63000 L

c) v = -900t +63000

d) 7200 L

Step-by-step explanation:

a) You are given two points on the curve of volume vs. time:

(t, v) = (20, 45000) and (70, 0)

The rate of change is ...

Δv/Δt = (0 -45000)/(70 -20) = -45000/50 = -900 . . . . liters per minute

b) In the first 20 minutes, the change in volume was ...

(20 min)(-900 L/min) = -18000 L

So, the initial volume was ...

initial volume -18000 = 45000

initial volume = 63,000 . . . . liters

c) Since we have the slope and the intercept, we can write the equation in slope-intercept form:

v = -900t +63000

d) Put the number in the equation and do the arithmetic.

When t=62, the amount remaining is ...

v = -900(62) +63000 = -55800 +63000 = 7200

7200 L remain after 62 minutes.

6 0

3 years ago

Solve this inequality for x

r-ruslan [8.4K]

x _> 65/3

hope that helps!

4 0

3 years ago

Please please help me with the answer I can't do this by myself

Ne4ueva [31]

She bought 8 bags of candy since 10 multiplied by eight is 80 and 8 is two less than ten.(ten candies in each bag)

5 0

4 years ago

I'm struggling right now because I learned this but I completely forgot how to do it. I need to find the distance between two po

DochEvi [55]

Answer:

12 units

Step-by-step explanation:

3 0

3 years ago

What is the answer to 21=(x+3)2

IceJOKER [234]

First, distribute 2 to the (x+3) to get:
21 = 2x+6
subtract 6 from both sides to get:
15 = 2x
Finally, we divide both sides by 2 to simplify x to:
x = 7.5 (OR) x = $7 \frac{1}{2}$
(Just so you know, if you pick a brainliest answer, both you and the person who got the brainliest answer get some points.

3 0

4 years ago