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crimeas [40]
3 years ago
5

The level of water in a dam was decreasing by 20% each day. If the level of water was 1500cm,what was the level after two days?

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
7 0

Answer:

960 cm.

Step-by-step explanation:

For the first day:

Subtract the primary level of water by the 20% of it. 20% of 1500 is:

0.2*1500=300 (Convert the percent to decimal)

Then subtract 1500 to 300. That would become 1200cm for the first day.

For the second day:

Subtract the level of water from the first day by 20% of it. 20% of 1200 is:

0.2*1200= 240

Then subtract 1200 to 240. That would become 960 for the second day.

The level of the water after 2 days is 960 cm.

nirvana33 [79]3 years ago
5 0

Answer:900

Step-by-step explanation:

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Write an equation in slope intercept form for the graph of the line.​
olganol [36]

Answer:

  • y = 2x - 3

Step-by-step explanation:

<u>Slope intercept form:</u>

  • y = mx + b, where m - slope, b - y-intercept

<u>Take two points from the graph:</u>

  • (2, 1) and (3, 3)

<u>Find the slope:</u>

  • m = (3 - 1)/(3 - 1) = 2/1 = 2

<u>Find the y-intercept using point (2, 1) and the equation above:</u>

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<u>The line is:</u>

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5 0
2 years ago
Read 2 more answers
2.
Pachacha [2.7K]
Answer: 80 pieces of fruit

Explanation:
Let’s find out the amount of trees Mr Champion has.
He has 14 in total. 1 apple tree and 1 plum tree, and the rest are divided evenly among apricot, pear and peach trees. This means:
1 apple tree + 1 plum tree = 2 trees
14 - 2 = 12 trees
12 / 3 (varieties of trees) = 4
In conclusion, he has
1 apple tree, 1 plum tree, 4 apricot, pear and peach trees.

Now let’s go to the section where he picks the fruit.
6 apricots from 4 trees
10 peaches from 4 trees
3 pears from 4 trees
4 apples from 1 tree

This means:
(6 x 4) + (10 x 4) + (3 x 4) + (4 x 1) = total pieces of fruit picked

24 + 40 + 12 + 4 = total pieces of fruit picked

Now, you add up those four numbers, and you have your answer, 80.



Hope this helps!
5 0
2 years ago
A boy has in his pocket a 50-cent piece, two dimes and two pennies. If he pulls out a coin at random, what is the probability it
rodikova [14]
Well, from what I can tell he has 1 50 cent piece, 2 Dimes, and 2 Pennies. Meaning 5 objects in total, considering that it asks for "at least ten cents" that would mean the 2 Dimes and the 1 50 cent piece.
Since that is 3 objects out of the 5, being 3/5ths, that would mean he has a 60% chance or probability for the first draw.

Hopefully that helps. ^ ^
{-Ghostgate-}
3 0
2 years ago
Read 2 more answers
Please help thank you
allochka39001 [22]
I think it's 20. Sorry if it's wrong
4 0
3 years ago
Solve the equation 6/5y-10=-4<br> X=
defon

6/5y-10=-4

move -10 to the other side

sign changes from -10 to 10

6/5y-10+10= -4+10

6/5y= 6

Mutiply by 5/6 for both sides

6/5(5/6)y=6(5/6)

Cross out 6/5 and 5/6 , divide by 5 and 6 then becomes y

Cross out 5 and 6 on the right side

x= 5

Answer : x= 5

3 0
3 years ago
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