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LekaFEV [45]
2 years ago
11

Mr.Sampson fills the family pool with water for the summer, after two hours, the water has reached the depth of 2.5 feet.After t

hree hours the water level has riden to 3 3/4
Mathematics
1 answer:
scoray [572]2 years ago
8 0

This question is incomplete

Complete Question

Mr Sampson fills the family pool with water for the summer.After two hours,the water has reached a depth of 2.5 feet. After three hours,the water level has risen to 3 3/4 feet.If the relationship between time and water depth is proportional,what is the constant of proportionality?

Answer:

1.33

Step-by-step explanation:

Time is proportional to Depth

Hence:

T ∝ D

T = kD

Where k is the constant of proportionality

After two hours,the water has reached a depth of 2.5 feet. After three hours,the water level has risen to 3 3/4 feet.

Total number of hours now is 3 + 2 = 5 hours

5 = k × 3 3/4

5 = k × 3.75

k = 5/3.75

k = 1.33

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A line passes through the point (-3,-3) and had a slope of 1/2, what equation is the line?
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Answer:

y + 3 = 1/2(x + 3)

Step-by-step explanation:

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1 year ago
Which of the following is a trinomial?
Masja [62]
Although you didn't provide any answer choices:

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None of those terms can be combined

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Find the equation of a line passing through the point (2, 3) and having a slope of 3.
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Answer:

The answer to your question is the letter B) y = 3x - 3

Step-by-step explanation:

Data

Point = (2, 3)

slope = m = 3

Process

To solve this problem just substitute the values given in the slope-point equation.

Formula

               y - y1 = m(x - x1)

   x1 = 2      y1 = 3

-Substitution

              y - 3 = 3(x - 2)

-Expand

              y - 3 = 3x - 6

-Solve for y

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-Result

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