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2 years ago

Identify the vertex of the function graphed below.

Mathematics

1 answer:

saw5 [17]2 years ago

7 0

(3,-2) is the vertex

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Given: X = r + 2, Y = 2r - 9, and Z = r 2 + 17r + 30. Simplify [X · Y - Z] ÷ X. -r - 24 r - 24 2r2 - 6r - 33 2r2 + 6r + 33

melamori03 [73]

Answer:

r - 24

Step-by-step explanation:

[X · Y - Z] = (r + 2)(2r - 9)] - (r^2 + 17r + 30)

= (2r^2 + 4r - 9r - 18 ) - r^2 - 17r - 30

= 2r^2 - 5r - 18 - r^2 - 17r - 30

= r^2 - 22r - 48

= (r +2)(r - 24)

[X · Y - Z] / X

= [(r +2)(r - 24)] / (r + 2)

= r - 24

7 0

4 years ago

Read 2 more answers

Multiply the binomials: (x+3)(2x-5)

gulaghasi [49]

The answer I got is (2x^2+x-15)

5 0

3 years ago

Evaluate C(6, 3). A.720 B.20 C.120

ludmilkaskok [199]

Answer:

Provide question

Step-by-step explanation:

Provide question

4 0

3 years ago

The number of employees for a certain company has been decreasing each year by 7%. If the company currently has 790 employees a

Vikki [24]

Answer:

The number of employees in 8 years is 442

Step-by-step explanation:

Given:

Decreasing rate = 7%

Current number of employees = 790

To Find:

The number of employees after 8 years is this same rate continues =?

Solution:

Let the number of employees after 8 years be x

The current number of employees is:

$790(1-0.07)^0=790$ ---------------------------------(1)

since the decrase rate is 7% we use 0.07

So after 8 years , eq (1) can be rewritten as

$790(1-0.07)^8= x$

$790(0.93)^8= x$

$790 \times 0.5595= x$

x= 442.005

x= 442 (approx)

6 0

3 years ago

45 45 90<br> This question is using the 45 45 90 rule can someone help

AleksAgata [21]

Answer:

x= 4.24

y= 4.24

Step-by-step explanation:

1) I began by analyzing the given number, which in this case is the hypotenuse. I know the hypotenuse is equal to x√2.

2) I divided 6 by √2, which gave me 4.24.

5 0

3 years ago