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TiliK225 [7]
3 years ago
15

Aika collected data from 10 randomly selected students about the amount of money they have saved. Her data is shown. 320, 190, 4

5, 120, 30, 90, 115, 200, 140, 120. FIND THE MEAN OF THE DATA.
Mathematics
2 answers:
never [62]3 years ago
3 0

Answer:

Mean = 137

Step-by-step explanation:

Add all the numbers- 320+190+45+120+30+90+115+200+140+120 = 1370

Divide the sum by the amount of numbers added- 1370/10 = 137

grigory [225]3 years ago
3 0

Answer:

the mean is 137

Step-by-step explanation:

you have to add up all of the number values that are listed ( 320,190,45,120,30,90,115,200,140,120) and divide by how many values that are there which is 10 so 1,370 divided by 10 is the mean (1,370/10=137)

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3 0
3 years ago
Factor 2x 2 - 10x + 8 completely.
murzikaleks [220]

Answer:

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Step-by-step explanation:

Begin by dividing each term by 2 and pulling the 2 to the front.

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This is a trinomial. Trinomials are three term algebraic expressions typically featuring variables to exponent powers. To break these trinomials down we factor them using the diamond method or GCF. The diamond method states that for a trinomial ax^2+bx+c multiply a*c then find two numbers which multiply to this number and add to b. When you find those numbers, write them as (x-/+ number)(x-/+number).

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6 0
2 years ago
Is correct the number 13
andrey2020 [161]
Yes, the answer is 8.
3 0
3 years ago
Read 2 more answers
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