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4 years ago

50 POINTS PLS HELP!!!!

Mathematics

2 answers:

liubo4ka [24]4 years ago

7 0

The answer is a= 3
Best of luck

VARVARA [1.3K]4 years ago

3 0

The plot of the PDF shows the distribution is symmetric. This means that the mean is the same as the median, and that the 50% of the distribution lies to other side of this mean, i.e.

$P(X\ge a)=P(X\le a)=0.50$

For this distribution, $a=3$ .

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What is 10 divide be 1000?

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3 years ago

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The area of a rectangle playgrond is 78 square meters. If the length of the playground is 13 meters, what is its width?

Nezavi [6.7K]

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4 years ago

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Monica runs on a treadmill at an average speed of 7.5 miles per hour for 15 minutes. If, the next day, she runs the same distanc

telo118 [61]

Answer:

Option 2: 14.06 minutes

Step-by-step explanation:

For the first scenario, we will convert the minutes into hours first to get all the quantities in same unit

So,

15 minutes = 1/4 hours = 0.25 hours

Speed = 7.5 miles per hour

Now using the speed, distance and time formula

Speed = distance/time

$Speed = \frac{distance}{time}$

$7.5 = \frac{distance}{0.25}$

$7.5 * 0.25 = Distance$

Distance = 1.875 miles

So the distance for 1st day is 1.875 miles.

For next day

Speed = 8 miles per hour

Distance = 1.875

So,

$speed = \frac{distance}{time}$

$8 = \frac{1.875}{time}$

$time = \frac{1.875}{8}$

$time = 0.234375 hours$

Converting the hours into minutes will give

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So 2nd option is correct..

6 0

4 years ago

Help needed brainliest will be given for attempt

Sonbull [250]

Answer:

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Step-by-step explanation:

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3 years ago

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almond37 [142]

Are you sure you said the whole problem cuz that is impossible to answer

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3 years ago