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Ghella [55]
3 years ago
9

What is the x-coordinate of the vertex of the parabola whose equation is y = 3x^2 + 12x + 5?

Mathematics
2 answers:
aleksley [76]3 years ago
6 0
(-2, -7) The answer would be -2. I hope that this helped! ;)
ahrayia [7]3 years ago
4 0
Well it will be a simple as grid algebra 
3(2+12)+12x5
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This will give you 35 just please help I need to do this very fast. So if you can help please do.
EleoNora [17]

Answer:

52° and 38°

Step-by-step explanation:

The two angles form a singular right angle.

(x+33)+(2x)=90\\\\x+33+2x=90\\\\3x + 33 = 90\\\\3x+33-33=90-33\\\\3x=57\\\\\boxed{x=19}

The value of 'x' is 19.

m$\angle$1 = x + 33\\\\m$\angle$1 = 19 + 33\\\\m$\angle$1 = \boxed{52}

The measure of angle 1 is 52 degrees.

m\angle2=2x\\\\m\angle2=2(19)\\\\m\angle2=\boxed{38}

The measure of angle 2 is 38 degrees.

Hope this helps.

5 0
3 years ago
Find the area of the shape shown below.
miskamm [114]

Answer:

28 units^2

Step-by-step explanation:

1. First, let's divide this figure into two shapes: a square and a trapezoid. (Look at the image below explanation for division).

2. Next, we should know the area formulas of the square and trapezoid.

  • Square: s^2, where s = side
  • \frac{a+b}{2}h, where a and b = top and bottom and h = height

3. Solving Area of Square and Trapezoid

  • 4^2 = 4 * 4 = 16. Area of square is 16
  • \frac{4+2}{2}*4 = \frac{6}{2} * 4 = 3 * 4 = 12. Area of trapezoid is 12.
  • 16 + 12 = 28

Therefore, the area of the figure is 28 units^2.

5 0
2 years ago
Find the measure of the exterior 21.<br> A. 15°<br> B. 100<br> C. 35<br> D. 145
FromTheMoon [43]

Answer:

The answer will be D. 145

Step-by-step explanation:

Because I said so

3 0
3 years ago
Photo attached please help
aniked [119]
C and E that is the answer
4 0
3 years ago
Steve picks 55 pounds of pears. He packs an equal amount of pears into 6 bags. He then has 4 pounds of pears left. What is the w
Serggg [28]
Because he has 4 pounds of apples left, you are to subtract that from the total pounds picked, which was a total of 55 pounds. So 55 with 4 taken away, or 55 - 4, equals 51. Since he had equally put 51 pounds into six bags, you are to then divide . 51 / 6 = 8.5. He had put 8.5 pounds worth of apples into each bag.
4 0
3 years ago
Read 2 more answers
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