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VARVARA [1.3K]
3 years ago
12

Find the average of, 18,21,19,25,24,25 With a step by step explanation please.

Mathematics
2 answers:
Pepsi [2]3 years ago
5 0

Answer: 22

Step-by-step explanation: To find the average of this data set, remember that the average of a data set is equal to the sum of the set of numbers divided by how many numbers are in the set.

So to find the average of the data set shown here, let's begin by adding the numbers.

So we have 18 + 21 + 19 + 25 + 24 + 25.

This will be divided by how many numbers are in the set which is 6.

So we have \frac{18 + 21 + 19 + 25 + 24 + 25}{6}

Adding the numbers, we get 132.

So we have \frac{132}{6} which simplfies to 22.

So the average of this data set is 22.

gogolik [260]3 years ago
4 0

Answer: The average is 22

Step-by-step explanation: To calculate any average from a database like this one, add all the numbers to find your total, which in this case would be 132. Then divide the total by however many numeric values you had to add, which would be 6. This gives you your final equation, (132 divided by 6 = 22).

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If 2x/3−x/10=17/10, then x = ?
DedPeter [7]

Answer:

x=3

Step-by-step explanation:

2x/3−x/10=17/10

Multiply each side by 30 to get rid of the fractions

30( 2x/3−x/10)=(17/10)*30

Distribute

20x -3x = 51

Combine like terms

17x = 51

Divide by 17

17x/17 = 51/17

x=3

8 0
4 years ago
Which of the following fractions is closer to 0 than to 1
Nonamiya [84]
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3 years ago
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Jason and Britton are driving to St. George. Jason got a 20 mile head start and drove an
harina [27]

Answer:

  2 hours, 150 miles

Step-by-step explanation:

The relation between time, speed, and distance can be used to solve this problem. It can work well to consider just the distance between the drivers, and the speed at which that is changing.

<h3>Separation distance</h3>

Jason got a head start of 20 miles, so that is the initial separation between the two drivers.

<h3>Closure speed</h3>

Jason is driving 10 mph faster than Britton, so is closing the initial separation gap at that rate.

<h3>Closure time</h3>

The relevant relation is ...

  time = distance/speed

Then the time it takes to reduce the separation distance to zero is ...

  closure time = separation distance / closure speed = 20 mi / (10 mi/h)

  closure time = 2 h

Britton will catch up to Jason after 2 hours. In that time, Britton will have driven (2 h)(75 mi/h) = 150 miles.

__

<em>Additional comment</em>

The attached graph shows the distance driven as a function of time from when Britton started. The distances will be equal after 2 hours, meaning the drivers are in the same place, 150 miles from their starting spot.

3 0
2 years ago
Solve S= lw + wh+ lh for h. Hint: Use the distributive property to factor out h.<br> the<br> vcloc
Ostrovityanka [42]

Answer:

{ \rm{S = lw + wh + lh}}

• Group the h terms by organised term arrangement :

{ \rm{S = (wh + lh) + lw}}

• Then using distributive property, factorise out the value h so that the reverse is true.

{ \rm{S = h(w + l) + lw}}

• for the variable "lw", divide it by h in order to add it to the bracket of (w + l). Make sure the reverse is true:

{ \rm{S = h(w + l) + h( \frac{lw}{h} )}} \\

• finally, completely factorise out the value h

\hookrightarrow \: \: { \boxed{ \boxed { \rm{ \:  \: S = h(w + l +  \frac{lw}{h} ) \:  \: }}}}

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3 years ago
What is 36/42 simplified
Advocard [28]
36/42 in simplest form is 6/7.
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4 years ago
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