X= (y-21)/2 is the age of Gorans
Answer:
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Step-by-step explanation:
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Answer:
<u>The knitting club has 7 members </u>
Step-by-step explanation:
1. Let's check the information provided to us to answer the question correctly:
Cost of new patterns book = US$ 3.50
Cost of set of knitting needles for each member = US$ 3.20
Cost of set of a ball of yarn for each member = US$ 3.20
2. Write and solve an equation to determine how many members the knitting club has.
Number of members of the knitting club = x
For solving for x, we can use this equation:
3.50 + 3.20x + 5.40x = 63.70
8.60x = 63.70 - 3.50
8.60x = 60.20
x = 60.20/8.60
x = 7
<u>The knitting club has 7 members </u>
The answer is D. All you have to do is graph the equation, and you will have the vertex and the roots. By the way, you can rule out B and C because those two do not follow the rules of a quadratic. Also, A and B have the wrong axis of symmetry, because the rocket lands after 10 seconds.
Answer:
![141 + 3x = 336](https://tex.z-dn.net/?f=141%20%2B%203x%20%3D%20336)
![3x = 195](https://tex.z-dn.net/?f=3x%20%3D%20195)
![x = 65](https://tex.z-dn.net/?f=x%20%3D%2065)
So the cost of labor is $65 per hour.