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3 years ago

A car traveled 23 miles in 15 minutes. how many miles per hour was it traveling?

Mathematics

2 answers:

lozanna [386]3 years ago

7 0

Answer:

1.53333... mph

Step-by-step explanation:

Well, if you want to figure out the speed (miles per hour), all you need to do is divide the distance by the time. In this case, the distance is 23 miles, and the time is 15 minutes. 23/15= 1.53333...

Hope this helps!! Have an amazing day c:

NNADVOKAT [17]3 years ago

3 0

Answer:

1.533333 miles per hour

If It Helped u do mark me as brainliest

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On a quiz there are four multiple-choice questions worth 3 points each and two true/false questions worth 1 point each. Each mul

Pani-rosa [81]

Answer: Expected value would be $\dfrac{17}{5}$

Step-by-step explanation:

Since we have given that

Number of multiple choice question = 4

Number of true false questions = 2

Number of points for each multiple choice question = 3

Number of points for each true false question = 1

Number of choices in multiple choice = 5

Probability of getting correct answer in multiple choice question = $\dfrac{1}{5}$

Probability of getting correct answer in true false question = $\dfrac{1}{2}$

Expected value of the student's score on the test would be

$E(x)=\sum xp(x)\\\\E(x)=4\times 3\times \dfrac{1}{5}+2\times 1\times \dfrac{1}{2}\\\\E(x)=\dfrac{12}{5}+1\\\\E(x)=\dfrac{12+5}{5}=\dfrac{17}{5}$

Hence, expected value would be $\dfrac{17}{5}$

3 0

4 years ago

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−f+2+4f=8−3f sovle for f

erastova [34]

Answer:

f = 1

Step-by-step explanation:

5 0

3 years ago

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34. For the following exercises, given each set of information, find a linear equation satisfying the conditions, if possible.

skad [1K]

Answer:

The linear equation for the line which passes through the points given as (-1,4) and (5,2), is written in the point-slope form as $y=\frac{1}{3} x-\frac{13}{3}$ .

Step-by-step explanation:

A condition is given that a line passes through the points whose coordinates are (-1,4) and (5,2).

It is asked to find the linear equation which satisfies the given condition.

Step 1 of 3

Determine the slope of the line.

The points through which the line passes are given as (-1,4) and (5,2). Next, the formula for the slope is given as,

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

Substitute 2&4 for $y_{2}$ and $y_{1}$ respectively, and $5 \&-1$ for $x_{2}$ and $x_{1}$ respectively in the above formula. Then simplify to get the slope as follows,