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IgorC [24]
2 years ago
6

Hector works 12 hours per week at a part-time

Mathematics
1 answer:
rewona [7]2 years ago
6 0

Answer:

Step-by-step explanation:

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HELP ME PLSSS i will give u 15 points and mark u as brainest
drek231 [11]

Answer:

120 is the right answer . mark as brainliest

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The graph of y = 1/2 x2 + 2x + 3 is shown. What are the solutions to the equation 1/2 x2 + 2x + 3 = x + 7?
kirill [66]

Answer:

Step-by-step explanation:

Let's organise our information :

  • the function is (1/2)x²+2x+3

we want to khow the value of x that gives us : (1/2)x²+2x+3=x+7

Now the trick is to write this expression as a quadratic equation with zero at one side :

  • (1/2)x²+2x+3=x+7
  • (1/2)x²+2x+3-x-7=0
  • (1/2)x²+x-4=0

Now let's solve this equation :

  • a= 1/2
  • b= 1
  • c= -4

Δ=1²-4*(1/2)*(-4)

 = 9

So we have two solutions :

  • \left \{ {{y=\frac{-1-3}{2*0.5} } \atop {x=\frac{-1+3}{2*0.5} }} \right.
  • y= -4
  • x= 2

So the solutions are -4 and 2

3 0
3 years ago
Find LCM of 7 and 13
ella [17]
7=7×1 13=13×1 Lcm=7×13 =91
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3 years ago
J − 47 = 37 what would j =
Lynna [10]

Answer:

84

Step-by-step explanation:

37 + 47 = 84

4 0
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What is 'b' in this linear equation? y= 5x - 6​
LUCKY_DIMON [66]

Answer:

B is -6.

Step-by-step explanation:

y=mx+b

6 is negative and is in the place of the y intercept (b)

3 0
2 years ago
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