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ryzh [129]
3 years ago
13

April, x, slept 9 hours; Evelyn slept 2/3

Mathematics
1 answer:
xeze [42]3 years ago
5 0

Answer:

she slept for 3 hours

Step-by-step explanation:

its actually simple so we know that April slept for 9 hours bug Evelyn only slept 2/3 of 9 hours and if you add 1/3 and 2/3 you get 3/3 which equals a whole so all you have to do is devide 9 into 3 and you get 3 parts with 3 now you add 3 and 3 together and that equals 6 and that was two parts you added which is equaled to 2/3 so all you have to do now is subtract 9-6 and you leave with three which is 1/3 so we come to the final answer she slept for three hours

sorry for such a long explanation

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A wakeboard ramp has a rise of 3 feet and a run of 8 feet, what is the slope of the ramp? the slope of the wakeboard in our exam
larisa [96]

Answer:

3/8

Step-by-step explanation:

slope = rise/run = 3/8

3 0
2 years ago
The sum of Ellie's age and Genya's age is 60. In six years, Genya will be eight times as old as Ellie. How old is Ellie now?
ArbitrLikvidat [17]

Answer:

<u>2 years old</u>

Step-by-step explanation:

Let Ellie's age ⇒⇒⇒ x

And Genya's age ⇒⇒⇒ y

∵ The sum of Ellie's age and Genya's age is 60

∴ x + y = 60 ⇒ (1)

∵ In six years, Genya will be eight times as old as Ellie

∴ (y + 6) = 8 (x+6)

∴ y + 6 = 8x + 48       subtract 6 from both sides

∴ y = 8x + 42 ⇒ (2)

By substituting from 2 at 1 with the value of y

∴ x + (8x + 42) = 60

∴ 9x = 60 - 42 = 18

∴ x = 18/9 = 2

∴ y = 60 - x = 58

So, Ellie's age now = 2 years old

And Genya's age = 58 years old

6 0
3 years ago
If there's a sale and the original price is 140 and it's one fifth off how much is the sale?
Alex777 [14]
$112
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hope this helps :)
6 0
3 years ago
Which equation represents the table of values
ycow [4]

Answer:where the equations

Step-by-step explanation:

7 0
3 years ago
Linear System, substitutional method<br><br> 5x+4y=32 <br> 9x-y=33<br><br> helppp
Pachacha [2.7K]
5x + 4y = 32 ⇒ 45x + 36y = 288
9x -  1y = 33 ⇒ <u>45x -    5y = 165</u>
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                                     41      41
                                        y = 3
                            5x + 4(3) = 32
                              5x + 12 = 32
                               <u>    - 12  - 12</u>
                                      <u>5x</u> = <u>20</u>
                                       5      5
                                        x = 4
                                  (x, y) = (4, 3)
6 0
3 years ago
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