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ki77a [65]
2 years ago
10

Please help me! I'm stuck! If you answer both a and b, you get brainliest and points!

Mathematics
1 answer:
Rufina [12.5K]2 years ago
7 0

The water is flowing into the pool at 1.5 gallons per minute and it would take 20 minutes to be filled.

<h3>What is an Equation</h3>

An equation is used to show the relationship between two or more numbers and variables.

The pool holds 30 gallons of water. After 5 minutes, the pool is about one fourth full. Hence:

Time to full the pool = 5 minutes * 4 = 20 minutes

Rate of water flow = 30 gallons/20 minutes = 1.5 gallons per minute

The water is flowing into the pool at 1.5 gallons per minute and it would take 20 minutes to be filled.

Find out more on Equation at: brainly.com/question/13763238

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Josh is painting all the walls in his room that is 3m x 4m and 2.75m high, How much paint in square feet is needed?
pantera1 [17]

Answer:

33

Step-by-step explanation:

3*4*2.75=33

7 0
3 years ago
Sammy what is 8/x=5/9
Flura [38]

Answer:

72/5

Step-by-step explanation:

Multiply both sides of equation by x.

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Multiply both sides by 9/5.

8 times 9/5 = x

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3 years ago
2. A medical study tests a new cough medicine on 4250 people. It is effective for 3982 people. What is the experimental probabil
Nutka1998 [239]

Answer:

For a 9000 people, the approximate number of people for whom the medicine will be effect is 8432 people

Step-by-step explanation:

Here we have probability is given by

Probability = \frac{Number\, of \, Success}{Number\, of \, Trials} Where:

Number of success = 3982 and

Number of trials = 4250. therefore;

Probability \, of \, Success = \frac{3982}{4250} = \frac{1991}{2125}

Therefore, when the medicine is used on 9000 people, the approximate number of people for whom the medicine will be effect is given by;

\frac{1991}{2125} = \frac{x}{9000} \rightarrow x \times2125 = 1991 \times 9000\\x = \frac{1991 \times 9000}{2125} = \frac{143352}{17} = 8432\frac{8}{17}

or ≈ 8432 people.

3 0
3 years ago
If four of the exterior angles of a convex pentagon measure
MakcuM [25]

Answer:

120 degrees.

Step-by-step explanation:

The 5 exterior angles sum to 360 degrees.

So the 5th exterior angle = 360 - 4(60)

= 360 - 240

= 120 degrees.

3 0
4 years ago
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Find the slope of the line that passes through the points (1, -3) and (2, -1).
cestrela7 [59]

Answer:

Step-by-step explanation:

1,-2

5 0
4 years ago
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