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MrRa [10]
3 years ago
9

A parabola has a vertex (5,-10) and passes through the point (10,-25). Determine the equation of this parabola and put it in ver

tex form.
Mathematics
1 answer:
alekssr [168]3 years ago
5 0

Answer:

-3/5(x-5)^2-10

Step-by-step explanation:

f(x)= a (x-5)^2 -10

f(10)=-25

a ( 10-5)^2 -10 = -25

a . 25 = -15

a = -15/25 = -3/5

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Kevin is taking a two-part test in social studies
Artyom0805 [142]

Answer:

32

Step-by-step explanation:

subract the amount he needs by the number he has

4 0
3 years ago
1. Suppose we have a six-sided die that we roll once. Let ai represent the event that the result is i. Let Bj represent the even
Alex787 [66]

Using the probability concept, it is found that there is a

a) 0.2 = 20% probability that 3 is obtained.

b) 0.3333 = 33.33% probability that 6 is obtained.

c) 0.6667 = 66.67% probability of a number greater than 3.

d) 0.6667 = 66.67% probability of an even number.

A probability is the <u>number of desired outcomes divided by the number of total outcomes</u>.

Item a:

There are 5 numbers greater than 1, one of which is 3, hence:

p = \frac{1}{5} = 0.2

0.2 = 20% probability that 3 is obtained.

Item b:

There are 3 numbers greater than 3, one of which is 6, hence:

p = \frac{1}{3} = 0.3333

0.3333 = 33.33% probability that 6 is obtained.

Item c:

There are 3 even numbers, two of which are greater than 3, hence:

p = \frac{2}{3} = 0.6667

0.6667 = 66.67% probability of a number greater than 3.

Item d:

There are 3 numbers greater than 3, two of which are even, hence:

p = \frac{2}{3} = 0.6667

0.6667 = 66.67% probability of an even number.

A similar problem is given at brainly.com/question/25667645

4 0
3 years ago
F(x) = 2x^ 2 - 3x + 6 find f(-7)
aleksandr82 [10.1K]

Answer:

f(-7) = \bold{125}

Step-by-step explanation:

Given:

f(x) = 2x^2 - 3x + 6

f(-7) = 2(-7)^2 -3(-7) +6 \\ f(-7) = 2(49) -3(-7) +6 \\ f(-7) = 98 +21 +6 \\ f(-7) = 125

5 0
3 years ago
Read 2 more answers
How do I Factor 125x^3 -64<br><br> The answer is not (5x+4)(5x-4) or (5x-4)(25x^2 +15x+16)
pychu [463]

The correct factorization would be (5x - 4)(25x^2 + 20x + 16).

The law of factoring cubes states that we use the following formula when we have two cubes being subtracted by one another.

(a - b)(a^2 + ab + b^2)

If we take the cube root of 125x^3 we get 5x, which will be our a value. If we take the cube root of 64, we get 4, which will be our b value. Then we plug in to the formula.

(5x - 4)((5x)^2 + (5x)(4) + 4^2)

(5x - 4)(25x^2 + 20x + 16)

I think the problem with your second answer is that you just did not properly multiply the 5x and the 4 to get 20x (instead you got 15x).

8 0
3 years ago
What is the distance between (-5, 2) and (-9,<br> 2)?
ValentinkaMS [17]

Answer:

4

Step-by-step explanation:

use the distace formula:

square root of (x2-x1)^2 + (y2-y1)^2

give brainliest please

6 0
3 years ago
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