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IRINA_888 [86]
2 years ago
8

10 Points shown in my point board Helppppp

Mathematics
2 answers:
Daniel [21]2 years ago
7 0
The best answer is "We can expect 135 of the grandparents to spend less than 2 hours a day online" because about 54% of all people said they spend >2 hours online everyday, and 54% of 250 is 135. 

Hope this helps!
disa [49]2 years ago
5 0
Let's turn the percentages into numbers to make things easier. To find a percentage, multiply by the percentage/100, e.g. 25 percent multiply by 0.25:

250*0.54 = 135

As it happens, this is one of the answers: exactly 135 of the grandparents spend less than 2 hours online.
The principle is the same for all of the other percentages.
54% of 250 is an exact number, however if a question comes up where you get a decimal answer, that is when you would select about, for example if it solved to 135.5, you cannot have .5 of a person so the answer would be about, since either 135 or 136 individuals could have watched less than two hours (the only time this should come up in the case of people, however, is if they rounded the percentage).
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Determite weather the ordered pair is a solution of the linear equation x=y+1/2;(-5,-2)
Minchanka [31]

Answer:

(y+1/2  ; y)

Step-by-step explanation:

hello :  all  ordered pair is a solution of the linear equation x=y+1/2;(-5,-2) is :

(y+1/2  ; y)

(-5 ; -2) is not  solution because y = -2  but  -2+1/2 = -3/2 no -5

7 0
3 years ago
50 points for this question<br>​
goldfiish [28.3K]

Answer:

the answer I got is 6 (x+14)

7 0
2 years ago
Alex buys 5 DVDs. Each DVD costs $9. If Alex receives a $2 discount on each DVD, what is the total amount of money alex apends?
LekaFEV [45]

Answer:

The total amount of money Alex spends on 5 DVD = $ 35.

Step-by-step explanation:

Total number of DVD purchased by Alex = 5

The cost of each DVD = $9

So, the total cost of purchasing 5 DVD = 5 x ( csot of 1 DVD)

= 5 x ( $ 9) = $ 45

Now , the discount if 1 DVD = $ 2

So, the total discount of 5 DVD = 5 x ( Discount on1 DVD)

= 5 x ($ 2) = $ 10

⇒ The total amount Alex spends

= Total cost of 5 DVD - Discount on 5 DVD

= $ 45 - $ 10 = $ 35

Hence, the total amount of money Alex spends on 5 DVD = $ 35.

7 0
3 years ago
Simplify and divide the following radical expression: √15/ 3√6
denis-greek [22]

Answer:

Math   way

Step-by-step explanation:

use this to help u

7 0
3 years ago
If a Nintendo Switch costs $219.60 total and I have a 20% off coupon code, how much will the Nintendo switch cost in total?
viva [34]
219.6\100= 2.196
2.196*20= 43.92
219.6-43.92= 175.68

This might be the answer, quite rough in this topic.
8 0
3 years ago
Read 2 more answers
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