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1 year ago

7.5 miles in 1/4 hour

1 answer:

4 0

Answer: name? must ride 7.5 miles in 1/4 hour to achieve this target speed so gender? needs to ride an addititonal 9.8 mile per1/4 hour

Step-by-step explanation: yeah you welcome

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A construction worker is looking at blueprints drawn to a 1/20 scale and notices that a wall is 0.5 feet by 0.25 feet. He claims

Gnoma [55]

Answer:

incorrect

Step-by-step explanation:

we are finding area which is squared, or we can put it in an equation, (0.5*20)*(0.25*20) or 0.5*0.25*20^2 which equals 50 but (0.5*0.25)*20 only equals 2.5 therefor he is incorrect and the correct answer would be 20^2 or 400 times the area.

hope this helps :)

5 0

2 years ago

Translate this sentence into an equation. The sum of 16 and Delia's height is 74. Use the variable d to represent Delia's height

Sedbober [7]

The answer is :

16+d=74

7 0

2 years ago

Read 2 more answers

What is the rate of change?

Ulleksa [173]

sheesh these are easy its 4

4 0

2 years ago

Pam says that the temperature of liquid drops more in the first three minutes of cooling then it does between time nine minutes

liberstina [14]

Answer:

Pam is correct!

Step-by-step explanation:

Pam is correct it would be between nine minutes and 12!

5 0

2 years ago

Which best describes the graphs of the line that passes through (−12, 15) and (4, −5), and the line that passes through (−8, −9)

konstantin123 [22]

Answer:

C) They are perpendicular lines.

Step-by-step explanation:

We first need to find the slope of the graph of the lines passing through these points using:

$m = \frac{y_2-y_1}{x_2-x_1}$

The slope of the line that passes through (−12, 15) and (4, −5) is

$m_{1} = \frac{ - 5 - 15}{4 - - 12}$

$m_{1} = \frac{ - 20}{16} = - \frac{5}{4}$

The slope of the line going through (−8, −9) and (16, 21) is

$m_{2} = \frac{21 - - 9}{16 - - 8}$

$m_{2} = \frac{21 + 9}{16 + 8}$

$m_{2} = \frac{30}{24} = \frac{5}{4}$

The product of the two slopes is

$m_{1} \times m_{2} = - \frac{4}{5} \times \frac{5}{4} = - 1$

Since

$m_{1} \times m_{2} = - 1$

the two lines are perpendicular.

4 0

3 years ago

Read 2 more answers

7.5 miles in​ 1/4 hour

7.5 miles in 1/4 hour