If y=2x
7y=14x .
6x+14x=20
20x=20
x being 1 x=1
we found x .
and putting in this problem.
y=2x
y will be 2 , y=2
i am so sorry for my bad english :(
Answer:
Step-by-step explanation:First you divide 28 by 4 to see how many ice cream cones she sells in an hour then you multiply the answer (7) by 6 which gives you 42.
Answer:
1)60
2)7
Step-by-step explanation:
1)The square root of 3600 is 60. It is the positive solution of the equation x2 = 3600. The number 3600 is a perfect square.
2)The cube root of 343 is the number which when multiplied by itself three times gives the product as 343. Since 343 can be expressed as 7 × 7 × 7. Therefore, the cube root of 343 = ∛(7 × 7 × 7) = 7.
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