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r-ruslan [8.4K]

3 years ago

9

Justin is 3 years older then sam, and justin's age in 2 years will be twice what sam's age was 3 years ago. find their present a

ges.

1 answer:

sineoko [7]3 years ago

8 0

Justin 11 and sam 5.5

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Help please and thanks! :)

Amanda [17]

For number 1. Is 21 = 21
Number 2. 12/25
Number 3. 9
Number 4. 64 =64
Number 5. 15 = 5
Number 6. 4= 4

5 0

3 years ago

How do I solve a+18=7a ?

Slav-nsk [51]

$a+18=7a \ \ \ |\hbox{subtract 7a from both sides} \\
-6a+18=0 \ \ \ |\hbox{subtract 18 from both sides} \\
-6a=-18 \ \ \ |\hbox{divide both sides by (-6)} \\
a=3$

6 0

3 years ago

Read 2 more answers

round off to the nearest thousand ( 3 decimal places) a, 534.9799= b, 2.67905= c,88.61124= d, 705.1487= e,7905.4321= f,3 7705= p

Amiraneli [1.4K]

Answer:

A.535 B.3 C.88.611 D.705.2

Step-by-step explanation:

You round all the way down

5 0

3 years ago

What is the solution to this system of linear equations?

SOVA2 [1]

(7,3)

Step-by-step explanation:

X= -2+3y

....

-2+3y-3y=-2

-2+3y+3y=16

.......

6y=18

...

y=3

x=7

6 0

3 years ago

Read 2 more answers

What is the domain of a^2+6a+9/a-10?

ch4aika [34]

The domain is 14^4 and the answer is23^

4 0

3 years ago