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vichka [17]
3 years ago
15

Find the mean absolute deviation of the data set 8, 10, 15, 8, 12, 13, 12 and 14. Round to the nearest hundredth if necessary.

Mathematics
1 answer:
dybincka [34]3 years ago
7 0

Answer:

11.5

Step-by-step explanation:

 (8+10+15+8+12+13+12+14)/8

=(8+12+8+12+13+10+15+14)/8

=(20+20+23+29)/8

=(40+52)/8

=92/8

=11.5

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Nick goes to the store and buys 22 notebooks for $1.50 each. Then he buys 8 pens for $0.55 each. How much money did he spend in
rosijanka [135]

Answer:

$33 for the notebooks and $4.40 for the pens

Step-by-step explanation:

if u would multiply 33 by 1.50 you would get $33

if u would multiply 8 by 0.55 you would get $4.40

8 0
3 years ago
A stereo was originally priced at 75.50. it was marked down 24%. a store had a big sale of 60% off the lowest marked price. what
leva [86]

Answer:

We can calculate the price with both  sales by multiplying the 75.5 units of money by both percentages (to multiply them, we divide them by 100 first):

75.5 * 0.24 * 0.6 \approx. 10.8

3 0
3 years ago
Can a triangle be formed with the side lenghts of 8cm, 4cm, and 12cm
ioda
No, because the sum of the measures shorter legnths of the sides must be greater than the measure of the greatest angle

4+8=12
so therefor the side legnths if you tried to make into a triangle, it would make a line 12 units long

<span>no is the answer</span>
4 0
3 years ago
Read 2 more answers
Sean spends 35 minutes revising for his exam. Erica spends 1 hours 15 minutes revising for her exam. Work out the total time, in
Alja [10]

The total time spent in minutes is 110 minutes

<h3>How to determine the total time?</h3>

The given parameters are:

  • Erica = 1 hour, 15 minutes
  • Sean = 35 minutes

The total time is calculated as:

Total = Erica + Sean

So, we have:

Total = 1 hour, 15 minutes + 35 minutes

1 hour = 60 minutes

So, we have:

Total = 60 minutes + 15 minutes + 35 minutes

Evaluate the sum

Total = 110 minutes

Hence, the total time spent is 110 minutes

Read more about time at:

brainly.com/question/4931057

#SPJ1

4 0
2 years ago
Preform the subtraction: (5x^2 -3xy +10y^2) - (12x^2 +11xz- 7z^2)
Rzqust [24]

we are given

(5x^2 -3xy +10y^2) - (12x^2+11xz-7z^2)

we have to subtract

step-1:  Distribute negative sign

=5x^2 -3xy +10y^2-12x^2-11xz+7z^2

step-2:Combine like terms

=5x^2 -12x^2-3xy -11xz+10y^2+7z^2

=-7x^2-3xy -11xz+10y^2+7z^2

we get

=-7x^2-3xy -11xz+10y^2+7z^2............Answer

3 0
3 years ago
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