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Katena32 [7]
3 years ago
12

A leaking faucet drips into a bucket . the faucet drips at a constant rate the level of water in the bucket rises 8 inches in 12

hours what was the rate per hour of water level change
Mathematics
1 answer:
laiz [17]3 years ago
5 0
The rate of water level change per hour is 1.5 inches per hour. You can find it out easily by dividing the total time by the total level change. Hope this Helps:)
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The graph of a proportional relationship contains the point (-30, 18)
Elena L [17]

Answer:

k=-\frac{3}{5}

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form k=\frac{y}{x} or y=kx

In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin

we have the point (-30,18)

so

x=-30, y=18

Find the value of k

k=\frac{y}{x}

substitute

k=\frac{18}{-30}

Simplify

Divide by 6 both numerator and denominator

k=-\frac{3}{5}

4 0
3 years ago
Five of the 25 girls on Alden Middle School’s soccer team are seventh-grade students. Find the percentage of seventh graders on
Fed [463]

Oh, I remember this one. Here's this if you need it, if it doesn't help then let me know.

6 0
3 years ago
What is the name of segment BD ?!
Alenkasestr [34]

Answer:

diameter

Step-by-step explanation:

BD is the diameter of the circle.

4 0
3 years ago
Evaluate the expression when m = 63 and n = 45
sesenic [268]

The value of the given expression (3m - n)² + 4m when m = 63 and n = 45 is equal to 20,916.

<h3>What is an expression?</h3>

An expression can be defined as a mathematical equation which is used to show the relationship existing between two or more variables and numerical quantities.

<u>Given the following variables:</u>

  • m = 63.
  • n = 45.

Substituting the given variables into the given expression, we have;

Expression = (3m - n)² + 4m.

Expression = (3(63) - 45)² + 4(45).

Expression = (189 - 45)² + 180

Expression = 144² + 180

Expression = 20,736 + 180

Expression = 20,916.

Read more on expressions here: brainly.com/question/28260012

#SPJ1

Complete Question:

Evaluate the expression when m = 63 and n = 45. (3m - n)² + 4m.

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1 year ago
Please hurry need help
schepotkina [342]

Answer:

-11

Step-by-step explanation:

5 0
3 years ago
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