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ioda
2 years ago
6

Pls help need asap in 10 mins

Mathematics
1 answer:
CaHeK987 [17]2 years ago
4 0
The last one. In arithmetic sequence, the difference between the terms is constant, in this case, the difference is 3
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Urgent!!
STALIN [3.7K]

<u>Given</u>:

Given that the graph of the quadratic function.

We need to determine the value of a in the function's equation.

<u>Value of a:</u>

The value of a can be determined using the formula,

y=a(x-h)^2+k

where (h,k) is the vertex and a is a constant.

From the graph, it is obvious, that the vertex of the parabola is (0,9).

Thus, substituting the vertex (h,k) = (0,9) in the above formula, we get;

y=a(x-0)^2+9

y=ax^2+9  -------- (1)

Let us substitute any one of the coordinate that the graph passes through to determine the value of a.

Let us substitute the point (3,0) in the equation (1), we have;

  0=a(3)^2+9

  0=9a+9

-9=9a

-1=a

Thus, the value of a is -1.

Hence, Option B is the correct answer.

3 0
2 years ago
If m5 =x which angles also have a measure of x? Select all that apply
jeyben [28]

m∠5 has the same measure as m∠12 and m∠9 which is 90°

<h3>Angles</h3>

An angle is formed when two lines intersect each other. Two angles are said to be supplementary if their measures add up to 180 degrees while Two angles are called complementary if their measures add up to 90 degrees.

m∠5 = 90° = x°

m∠5 = m∠12 = m∠9 = 90°

m∠5 has the same measure as m∠12 and m∠9 which is 90°

Find out more on Angles at: brainly.com/question/25770607

3 0
2 years ago
Using the slot method and multiple cases, calculate the probability that you would roll 3 sixes with four standard dice.
Elden [556K]

Answer:

Pr = \frac{1}{216}

Step-by-step explanation:

 The sample space of a single dice is:

S = \{1,2,3,4,5,6\}

n(S) = 6

Required:

The probability of rolling 3 sixes

In a sample space of a roll of die, we have:

n(6) = 1

In a roll of dice, the probability of rolling a 6 is:

P(6) = \frac{n(6)}{n(S)}

P(6) = \frac{1}{6}

In 3 rolls, the probability is:

Pr = P(6)^3

Pr = [\frac{1}{6}]^3

Pr = \frac{1}{216}

4 0
3 years ago
Please help me with these questions (It’s due tomorrow)
NISA [10]
A.) x(x-2)
x^2-2

B.) x(x+6)+3(x+6)
x^2+6x+3x+18
x^2+9x+18

C.) (x+3)(x+6)
x^2+6x+3x+18
x^2+9x+18
5 0
3 years ago
Write an equation for the following problem.
kakasveta [241]

Answer:  Aaron was at the sitter for 5 hours

Step-by-step explanation:

12x + 10 = 58

the 12x is for each hour after the first hour and the 10 is the first hour

-10 from each side

12x = 48

/12

x = 4

4 additional hours plus the original hour

3 0
2 years ago
Read 2 more answers
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