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lana [24]
4 years ago
9

Help fast not sure on this question. Jeff can weed the garden twice as fast as his sister Julia. Together they can weed the gard

en in 3 hours. How long would it take each of them working alone?
A) 4.5 hours; Julia 9 hours
B) 7.5 hours; Julia 15 hours
C) 4.5 hours; Julia 2.25 hours
D) 0.5 hours; Julia 1 hours
Mathematics
1 answer:
aksik [14]4 years ago
8 0

Answer:

c its the only one that makes sense

Step-by-step explanation:

jeff dose more weeds then julia and the only one were this is tru

if im right i get brainliest

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3 years ago
What are the solutions to the quadratic equation (5y + 6)2 = 24?
Ivenika [448]

Answer:

y = \frac{2\sqrt{6} }{5} -\frac{6}{5}  OR  y = \frac{-2\sqrt{6} }{5} -\frac{6}{5}

Step-by-step explanation:

Our quadratic equation is: (5y + 6)² = 24.

The first step is to square root both sides:

5y + 6 = ±√24 = ±2√6

Now subtract 6 from both sides:

5y = ±2√6 - 6

Finally divide by 5 from both sides:

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And, those are the solutions to the equation.

7 0
3 years ago
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