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OLga [1]
2 years ago
14

The fountain in the pond at the public park near Kevin’s house has a pump that recirculates 75 gallons of water in 1/4 of an hou

r. Express this rate as a unit rate in gallons per hour.
Mathematics
1 answer:
il63 [147K]2 years ago
7 0

Answer:

300 gallons an hour

Step-by-step explanation:

If it pumps 75 gallons in 1/4 of an hour (15 minutes), then if you times that by four to make it a full hour (60 minutes). 75 times 4 is 300.

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Thaddeus models the number of hours of daylight in his town as
AfilCa [17]

Option (A) :  least: 10 hours; greatest: 14 hours

The function f(x) = sin x has all real numbers in its domain, but its range is

−1 ≤ sin x ≤ 1.

How to solve such range questions?

Such questions in which every term is in addition and its range is asked is simplest ones to solve if we know the range of each of term. This can be seen from this question

Given: d(t) = 2sin(xt) + 12

=  −1 ≤ sin (xt) ≤ 1.

=  −2≤ 2 sin (xt) ≤ 2.

=  10 ≤ 2sin (xt) + 12 ≤ 14

=   10 ≤d(t) ≤ 14

Thus  least: 10 hours; greatest: 14 hours

Learn more about range of trigonometric ratios here :

brainly.com/question/14304883

#SPJ4

6 0
2 years ago
find a number such that when 3/4 of it is added to 3½the sum is the same as when 2/3 of it is subtracted from 6½. PLEASE HELP​
galben [10]

Answer:

- 120

Step-by-step explanation:

call x is the number you want to find

  1. (3/4 )x + 3\frac{1}{2} = (2/3)x - 6\frac{1}{2}
  2. (3/4)x + (7/2) = (2/3)x - (13/2)
  3. (3/4)x - (2/3)x = - (13 /2) - (7/2)
  4. (1/12)x = -10
  5. x = -10 / (1/12) = -120
5 0
2 years ago
How many rectangles can you make out of 18 cubes?
-Dominant- [34]
1*1*18
1*2*9
1*3*6
2*3*3


4 0
3 years ago
Read 2 more answers
Suppose a jar contains 20 red marbles and 21 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same
anastassius [24]

Answer:

the probability would be 1-2

7 0
3 years ago
Assume that children is an integer variable containing the number of children in a community and that families is an integer var
kherson [118]

Answer:

Answered

Step-by-step explanation:

Children*1 d/ family

Integer division returns an integer value in most languages.

I am assuming "1d" is double precision 1, which turns the expression into floating point division, thus allowing an answer like 1.8.

it can also be written as

float(children)/float(family)

3 0
3 years ago
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