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3 years ago

13

Convert 30 feet per second into yards per minute

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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Super hard question :0 what is 3+3

Julli [10]

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2 years ago

QRST is a rectangle. If RT = 5x – 5 and SQ = x + 11, find the value of x.

Hatshy [7]

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3 years ago

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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.

The roots are complex or imaginary.

EXPLANATION

The quadratic equation

$a {x}^{2} + bx + c = 0$

has discriminant,

$D = {b}^{2} - 4ac$

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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>

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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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3 years ago