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2 years ago

What is the mean? 19, 16, 24, 12, 16, 21, 18

Mathematics

2 answers:

attashe74 [19]2 years ago

6 0

I'm pretty sure it's 12.

ella [17]2 years ago

3 0

Hello,

To find the mean of a set of a numbers, you find the sum of all the numbers, and divide the sum by the number of values.

In this case, it would be:

(19+16+24+12+16+21+18)/7 = 126/7 = 18

Hope this helps!

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“Eighteen is equal to the product of a number (n) and 9.”

gregori [183]

Answer:

n=2

Step-by-step explanation:

Create an equation.

9n=18

Divide 9 from both sides.

9n/9=18/9

n=2

Hope this helps!

4 0

1 year ago

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At 5:00pm the temperature read 10° above zero. At midnight it read 4 ° below zero. Find the change

larisa86 [58]

The temperature changed a total of 14° over the course of 7 hours with an average change of 2° per hour drop.

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2 years ago

Two bicyclists were racing toward each other when they were 98 miles apart. Three hours later they did not meet yet and the dist

lesya [120]

Let, speed of 1st bicyclist is x.

So, speed of 2nd bicyclist is x-3 .

We know, relative speed when two objects moves towards each other :

$v = x + ( x-3 )\\\\v = 2x - 3$

Now, distance travelled in 3 hours is (98-2) miles .

So,

$2x-3 = \dfrac{96}{3}\\\\2x - 3 = 32\\\\2x = 35\\\\x = 17.5\ mph$

Therefore, speed of bikes are 17.5 mph and 14.5 mph.

Hence, this is the required solution.

5 0

2 years ago

How do I solve: 15 - w/4 = 28 (this is 2 step equations)

kenny6666 [7]

First we need to isolate the variable so we add 15 to both sides which is
w/4=43 then we need to multiply by 4 to both sides so its 4w=172
then divide by 4 which is 43 so the answer is w=43

8 0

3 years ago

Read 2 more answers

Please help me finish passing

Leto [7]

Answer:

i think it is A but im not too sure

4 0

2 years ago