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3 years ago

Write the equation that matches Kevin’s earnings

Mathematics

1 answer:

natita [175]3 years ago

4 0

Answer:

find the changing y and changing x

Step-by-step explanation:

then you'll get your answer find how many numbers those numbers are going up by

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Write the equation in vertex form of the parabola with the vertex (-4,-4) that goes through the point (-2,-16)

Brrunno [24]

Answer:

$- 3(x + 4) {}^{2} - 4$

Step-by-step explanation:

Vertex form is

$a(x - h) {}^{2} + k = f(x)$

We know that h and k are both -4. Let x be -2 and y be -16.

$a( - 2 + 4) {}^{2} - 4 = - 16$

$a(2) {}^{2} - 4 = - 16$

$4a - 4 = - 16$

$4a = - 12$

$a = - 3$

So the equation in vertex form is

$- 3(x + 4) {}^{2} - 4$

5 0

3 years ago

Using this tree diagram, compute the probability of system failure. Follow each branch to find all possible favorable outcomes f

kifflom [539]

Answer: The system will succeed when the first alarm rings or when the first one fails, but the second one rings. The probability of this is 0.98

The probability of system failure is 1-(probability of success)= 1-0.98= 0.02

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

-5, 20, -80, 320, ... is a geometric sequence a. Find the common ratio, b. Write its recursive rule c. Write its explicit rule.W

mario62 [17]

In order to find the common ratio, we just need to divide a term by the term that comes before it.

So using the terms 20 and -5, we have:

$\text{ratio}=\frac{20}{-5}=-4$

The recursive rule can be found with the formula:

$a_n=a_{n-1}\cdot q$

Where an is the nth term and q is the ratio. So we have:

$a_n=a_{n-1}\cdot(-4)$

The explicit rule can be written as:

$a_n=a_1\cdot q^{n-1}$

Where an is the nth term, a1 is the first term and q is the ratio. So:

$a_n=-5\cdot(-4)^{n-1}$

5 0

1 year ago

How to solve problem

sergey [27]

Your equation would be 2x - 12 + 3x - 15 = 23
Combine like terms and solve for x

6 0

3 years ago

In the triangle below, which equation can be used to solve for x?

Murrr4er [49]

U forgot the attachment

4 0

2 years ago

Read 2 more answers