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maksim [4K]
3 years ago
15

I don’t know how to do the hole page

Mathematics
1 answer:
FrozenT [24]3 years ago
8 0
#7
20%•$300
$60
300-60
240
Hope this helps!!
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-x-2y=9<br><br>x+4y=9<br><br>elimination
tamaranim1 [39]
You add the second equation to the first which eliminates x and leaves you with 2y=18 so you divide 18 by 2 which is 9 so y=9 now you fill in one question for y so do x+4(9)=9 you get x+36=9 now subtract 36 from 9 and you get -27 so x=-27 and y=9
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3 years ago
Five numbers have a range of 14. Four of the numbers are 20, 22, 31 and 25. Work out the two different possible values for the f
Pepsi [2]

Answer:

17

34

Step-by-step explanation:

Range is the difference between the highest and lowest values of a set of observations

Range = highest value - lowest value

the missing number can either by the highest value or the lowest value. this is because none of the numbers given when subtracted from each other would give a value of 14

let x = missing number

14 = x - 20

x = 20 + 14 = 34

or

14 = 31 - x

x = 31 - 14

x = 17

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3 years ago
What is another way to name 1/4
Sauron [17]
Another way to name 1/4 would be .25
4 0
3 years ago
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Carmen worked more than 40 hours last week and earned $352.95. Her regular hourly pay rate is $7.80. After 40 hours, she is paid
posledela

She worked 50.5 hours last week.

7.80x40=312

352.95-312=40.95

40.95/4.90=10.5

10.5+40=50.5

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3 years ago
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You drive a car that holds 15 gallons of gasoline. Your car uses 0.03 gallons per mile. Which equation best represents this info
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0.03x + 15 y = 0.03x - 15 y = -0.03x + 15 y = -0.03x - 15
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