<em>Answer:</em>
<em>100 </em><em>pie </em><em>m^</em><em>2</em>
<em>
</em>
Yes they are equivalent. For the first one you reduce the second equation by 2. For the second pair you reduce the second equation by -3.
Um 3+u so i think 5 im pretty sure im in 2 grade btw
Answer:
Step-by-step explanation:
Let c represent Chanda's age now. In six years, the Sokhem's age will be 2c. At that time, the sum of their ages is ...
(c+6) +2c = 60
3c = 54 . . . . . . . . subtract 6, collect terms
c = 18 . . . . . . . . . . divide by 3
Chanda is 18, Sokhem is 30.
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<em>Check</em>
In 6 years Chanda will be 24, Sokhem will be 36. The sum of their ages then will be 24+36 = 60. Since Chanda is 18 now, Sokhem's age then will be 2 times Chanda's age now.
Answer:
y is 90
Step-by-step explanation:
The y/x is proportional per point (x,y) since this is a direct variation.
That is ,
.
Cross multiply:

Simplify:

Divide both sides by -3

