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lana [24]
3 years ago
5

Which statements are true about the parabola represented by the equatlon y = 3x 2 -15x+30​

Mathematics
1 answer:
True [87]3 years ago
3 0
Y = 3x² - 15x + 30
y = 3(x² - 5x) + 30
y = 3(x² - 5x + (5/2)²) + 30
y = 3(x - 5/2)² + 30
The parabola opens upwards. Vertex at (5/2, 30)
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Write the number that is the sum. 6+4=10 5-3=2
shepuryov [24]
I think it's 12. 10 plus 2 = 12. Correct me if I am wrong please.

5 0
4 years ago
What is the equation of the following line written in general form? (The y-intercept is -1.)
Westkost [7]

Answer:

2x-y-1=0

Step-by-step explanation:

.

7 0
3 years ago
SOMEONE HELP ME PLEASE
s2008m [1.1K]

Answer: P (3 or odd) = 1/2

Step-by-step explanation:

<u>Concept:</u>  

Here, we need to know the idea of probability.  

Probability is a measure of the likelihood of an event to occur.  

If you are still confused, please refer to the attachment below for a graphical explanation.

<u>Solve:</u>

The numbers on a dice: 1, 2, 3, 4, 5, 6

Total numbers = 6

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[Since 3 is one of the odd numbers and they are overlapping, so we should subtract 1 from the number of favorable outcomes]

P (3 or odd) = Favorable / Total (refer to the attachment)

P (3 or odd) = [(1 + 3) - 1] / 6

P (3 or odd) = (4 - 1) / 6

P (3 or odd) = 3 / 6

P (3 or odd) = 1/2

Hope this helps!! :)

Please let me know if you have any questions

5 0
3 years ago
If TU = 6 units, what must be true? SU + UT = RT RT + TU = RS RS + SU = RU TU + US = RS
lana [24]

Answer:

Since RT = 12, TU = 6 and RS = 24, T and U are the midpoints of RS and TS respectively. This means that SU + UT = RT.

4 0
3 years ago
The equation of the line graphed below could be which of the following?<br><br> Please help ASAP
igor_vitrenko [27]

Answer:

4.

Step-by-step explanation:

First, you have to decide whether the slope is negative or positive. Since the line is going diagonally upward, it is positive.

That means the answer has to be either 3 or 4.

Next, you have to decide whether the y-intercept is negative or positive, on the graph, you can see that it is positive.

Answer choice 4 is the only equation where both the slope and the y-intercept are positive, so it is the answer.

8 0
3 years ago
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