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irakobra [83]
3 years ago
13

Convert 30 feet per second into yards per minute

Mathematics
2 answers:
diamong [38]3 years ago
8 0

Answer:

600 yd/min

Step-by-step explanation:

\displaystyle{\frac{30\text{ ft}}{1\text{ sec}}\times\frac{1\text{ yd}}{3\text{ ft}}}\times\frac{60\text{ sec}}{1\text{ min}}=\frac{1800\text{ yd}}{3\text{ min}}=600\frac{\text{yd}}{\text{min}}

olga55 [171]3 years ago
6 0

Answer:

30 feet converted into yards per minute would come out to 600 yards per minute

Step-by-step explanation:

multiply speed value by 20

30x20=600

Hope this helped :)

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QRST is a rectangle. If RT = 5x – 5 and SQ = x + 11, find the value of x.
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If the discriminant of a quadratic equation is equal to -9, which statement describes the roots?
Mice21 [21]

ANSWER

No real roots.

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EXPLANATION

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3 years ago
Solve the problem. A variable x has the possible observations shown below. Possible observations of x: -3 -1 0 1 1 2 4 4 5 Find
svp [43]

Answer:

The z-score corresponding to an observed value of x of 2 is 0.215.

Step-by-step explanation:

We are given that a variable x has the possible observations shown below;

Possible observations of X: -3, -1, 0, 1, 1, 2, 4, 4, 5.

Firstly, we will find the mean and the standard deviation of X, i.e;

Mean of X, (\mu) = \frac{\sum X}{n}

                       =  \frac{(-3)+ (-1)+ 0+ 1+ 1+ 2+ 4+ 4+ 5}{9}  

                       =  \frac{13}{9}  = 1.44

Standard deviation of X, (\sigma) =  \sqrt{\frac{\sum (X-\bar X)^{2} }{n-1} }

                            =  \sqrt{\frac{(-3-1.44)^{2}+(-1-1.44)^{2}+......+(4-1.44)^{2}+(5-1.44)^{2} }{9-1} }

                            =  2.603

Now, the z-score corresponding to an observed value of x of 2 is given by;

                  z-score =  \frac{X-\mu}{\sigma}

                               =  \frac{2-1.44}{2.603}  = <u>0.215.</u>        

4 0
3 years ago
I need help answering
Marizza181 [45]

Fill in the values and calculate:

1/4 * 6 + 3*7 = 6/4 + 21 = 22 1/2

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