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IgorLugansk [536]
3 years ago
15

Graph y = x2 + 10x + 25. Determine the number of solutions.

Mathematics
2 answers:
vesna_86 [32]3 years ago
7 0

Answer:

1 solution

Step-by-step explanation:

The equation will be a horizontal parabola that has an x-intercept of (-5,0) therefore 1 solution

GrogVix [38]3 years ago
3 0

Answer:

vertex: (-5,0)

axis of symmetry: x=-5

some points: (-7,4)(-6,1)(-5,0)(-4,1)(-3,4)

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Aiden put two-fifths of his Money into his piggy bank. He had $15 left in his pocket to buy a toy. How much money did aiden have
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Answer:25

Step-by-step explanation:

15x 2/5=25

5 0
3 years ago
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The ratio of isabellathe ratio of isabella's money to shane's money is 3:11. If isabella has $33,how much money does shane have.
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Shane has 121 dollars
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3 years ago
The number N of cars produced at a certain factory in 1 day after t hours of operation is given by Upper N (t )equals 800 t minu
Elden [556K]

Answer:

The cost C as a function of t is C(t) = 30,000 + 6,400,000 t - 40,000 t²

Step-by-step explanation:

The function N(t) = 800 t -  5t², represents the number of cars produced at a time t hours in a day, where 0 ≤ t ≤ 10

The function C(N) = 30,000 + 8,000 N, represents the cost C​ (in dollars) of producing N cars

We need to find The cost C as a function of the time t

That means Substitute N in C by its function by other word find the composite function (C о N)(t)

∵ C(N) = 30,000 + 8,000 N

∵ N(t) = 800 t - 5 t²

- Substitute N in C by 800 t - 5 t²

∴ C(N(t)) = 30,000 + 8000(800 t - 5 t²)

- Multiply the bracket by 8000

∴ C(N(t)) = 30,000 + 8000(800 t) - 8000(5 t²)

∴ C(N(t)) = 30,000 + 6,400,000 t - 40,000 t²

- C(N(t) = C(t)

∴ C(t) = 30,000 + 6,400,000 t - 40,000 t²

The cost C as a function of t is C(t) = 30,000 + 6,400,000 t - 40,000 t²

5 0
3 years ago
25 POINTS!
ludmilkaskok [199]
I would say it is <span>D- (-4,-5), for counterclockwise you turn towards the right. At 180 degrees it would be (4, -5) if you turn again you would get (-4,-5) hope this helps</span>
3 0
3 years ago
Evaluate 2 sin 60° + tan 45° + cos²60°​
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Answer:

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Step-by-step explanation:

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So we get 2 *√3/2 + 1 + 1/4

= √3 +  1.25

3 0
3 years ago
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