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Lady_Fox [76]
2 years ago
15

During a period of time a reservoir is drained for 2 hours per day 3 times per week. Each time 12 gallons per minute are drained

. What integer represents the change in the number of gallons drained from the reservoir each week?
Mathematics
1 answer:
mestny [16]2 years ago
4 0

Answer:

The integer representing the change is -43,200 gallons

Step-by-step explanation:

Here, we want to get the integer that represents the change in the number of gallons drained from the reservoir each week

Total number of hours per week would be 2 * 3 = 6 hours ;

6 hours is same as 6 * 60 = 3600 minutes

in a minute 12 gallons are drained

In 3600 minutes, the number of gallons drained would be;

3600 * 12 = 43,200 gallons are drained

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300-297+294-291+288-285+...+6-3
vladimir2022 [97]
300 - 297 = 3

294 - 291 = 3

288 - 285 = 3

So, that is a sequence of sums of number 3: 3 + 3 + 3 + .... + 3

How may times will the number 3 be added?

Note that 300 is reduced in 6 units each time => 300 / 6 = 50 => 3 will be added 50 times.

=> 50 * 3 = 150

Answer: 150
7 0
2 years ago
Mr. Malloy wants to make sure Amo and Javier get the best possible grade after five tests and can either give a grade based on t
joja [24]
The data has been properly arranged in tabular form and is shown below in the image.

First we need to find the mean and median of scores of both students.

1) For Amo:
Mean = \frac{97+92+89+55+90}{5}=84.6
Median = Middle Value when data is arranged in ascending order = 90

2) For Javier:
Mean =\frac{68+97+65+92+95}{5}=83.4
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For both the students, value of Median is larger then the mean. So in order to give the best possible grade Mr. Malloy should use the median score for both students.

8 0
2 years ago
Read 2 more answers
Which of the following is a radical equation? x + StartRoot 5 EndRoot = 12 x squared = 16 3 + x StartRoot 7 EndRoot = 13 7 Start
d1i1m1o1n [39]

Answer:

x = 3

Step-by-step explanation:

(8x-8)^{3/2}=64

Multiply both sides by the exponent 2/3.

8x - 8 = 64^{2/3}

Solve for the exponent.

8x-8=16

Add 8 to both sides.

8x = 16+8

8x=24

Divide 8 into both sides.

x=24/8

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6 0
2 years ago
The graph shows two straight lines. The equation of line A is y = 2 - x Work out the equation of line B.
d1i1m1o1n [39]

Answer:

Step-by-step explanation:

The equation of a line can be easily found from the graph.  First, find two points on the line that intersect points on the graph, then plot the changes in the two axis in this manner (change in y)/(change in x), or rise/run.  Thus, the slope of this line is 5/3.  Then, the  b in y = mx + b is simply when the line intersects the y-axis, in this case -5.  Thus, the equation of the line is

y = -5/3x - 5

Hope it helps <3

(If it does please mark brainliest ._. :) )

5 0
2 years ago
A​ golf-course architect has fivefive linden​ trees, fourfour white birch​ trees, and threethree bald cypress trees to plant in
adell [148]

Answer:

27,720 ways

Step-by-step explanation:

The number of permutations of non-distinct items is determined by the following expression:

P = \frac{(N_1+N_2+N_3)!}{N_1!N_2!N_3!}

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P = \frac{(5+4+3)!}{5!4!3!}\\P=27,720\ ways

The landscaper can plant the trees is 27,720 distinct ways.

7 0
2 years ago
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