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2 years ago

If you run for 3 hours at 5 miles per hour, how far will you run? ____miles?

Mathematics

2 answers:

Westkost [7]2 years ago

4 0

Answer and Step-by-step explanation:

Simply multiply 3 by 5.

We do this because for every hour we run, we run 5 miles, and the person runs for 3 hours.

So, the answer is 15 miles.

#teamtrees #PAW (Plant And Water)

Fantom [35]2 years ago

3 0

It would be 15 miles because it’s 5 miles per hour and you run for 3 hrs so you multiply 5 times 3

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Two assembly lines I and II have the same rate of defectives in their production of voltage regulators. Six regulators are sampl

Kamila [148]

Answer:

0.4546

Step-by-step explanation:

nCr = n!/(n-r)!r!

Number of ways of selecting the four defective voltage regulators from 12 = 12C4 = 12!/(12-4)!4! = 12!/8!4! = (12 *11*10*9)/(4*3*2*1)

12C4 = 495 ways

Number of ways of selecting 2 defectives from line 1 = 6C2 * 6C2

6C2 = 6!/(6-2)!2! = 6!/4!2! = (6*5)/(2*1) = 15

6C2 * 6C2 = 15*15 = 225 ways

Probability = Number of possible outcomes/ Number of total outcomes

Probability that exactly 2 of the defective regulators came from line 1 = 225/40.95 = 0.4546

4 0

3 years ago

What is the slope to this line?

Artyom0805 [142]

Answer:

hello :

Hello : let A(1,0) B(0,2) in this line

the slope is : (YB - YA)/(XB -XA)

5 0

3 years ago

Two parallelograms are similar. The base of the first is 12cm, and its height is 8 cm. Find the base of the second parallelogram

bearhunter [10]

Answer:

The base of the second parallelogram is 51cm.

Step-by-step explanation:

If the parallelograms are similar, it means by applying the same scale factor to all the sides in one gives you the other. The question tells us the height of the first shape is 8cm and the height of the second shape is 34cm. That means the scale factor is:

$\frac{34}{8}=4.25$

Apply this same scale factor to the base of the first shape to find the base of the second:

$12 \times 4.25=51$

7 0

3 years ago

Last year, Jay was 96 inches tall. This year, he is 108 inches tall. What is the percent increase in Jay’s height

Lerok [7]

Answer: 12.5%

Step-by-step explanation:

108-96=12, so he grew 12 inches.

12/96=0.125,

0.125*100=12.5, 12.5%

3 0

3 years ago

The formula y - y1 = m(x - x1) is the point-slope form of the equation of a line where m is the slope of the line and (x, y) and

a_sh-v [17]

Answer:

The slope of a line that includes the points (4, -2) and (5, 0) is 2

Step-by-step explanation:

You know that the formula y - y1 = m(x - x1) is the point-slope form of the equation of a line where m is the slope of a line.

The line must include the points (4, -2) and (5, 0). So, being:

(x,y)= (4,-2)
(x1,y1)= (5, 0)

and replacing in the point-slope form of the equation of a line:

-2-0=m(4-5)

You solve the equation for m and get:

-2=m*(-1)

$m=\frac{-2}{-1}$

m=2

The slope of a line that includes the points (4, -2) and (5, 0) is 2

5 0

3 years ago