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3 years ago

Write a function rule that represents the situation.

Mathematics

1 answer:

Helen [10]3 years ago

8 0

Answer:

i will

Step-by-step explanation:

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Solve the system by substitution -8x+y=-9 y=7

aleksandr82 [10.1K]

In point for (2,7) and in Equation form x=2 y=7

6 0

3 years ago

I need help graphing this Y=3/4x + 3

Irina18 [472]

Answer:

(0,3)

Step-by-step explanation:

graph the line using the slope and y-intercept, or two points.

the slope would be- 3/4

graphing it would be (0,3)

8 0

3 years ago

Read 2 more answers

Find (f/g) (x) for the functions provided: ƒ(x) = x3 − 27, g(x) = 3x − 9

AnnZ [28]

Answer:

$(\frac{f}{g})(x)=\frac{1}{3}(x^2+3x+9)$

Step-by-step explanation:

We have been given that

$f(x)=x^3-27,g(x)=3x-9$

We can use the formula for difference of cubes to simplify the function f(x)

difference of cubes - $a^3-b^3=(a-b)(a^2+ab+b^2)$

$f(x)=x^3-27\\\\=x^3-3^3\\\\=(x-3)(x^2+3x+9)$

And g(x) can be written as

$g(x)=3x-9\\=3(x-3)$

Thus, we have

$(\frac{f}{g})(x)=\frac{(x-3)(x^2+3x+9)}{3(x-3}$

On cancelling the common factors, we get

$(\frac{f}{g})(x)=\frac{1}{3}(x^2+3x+9)$

5 0

3 years ago

Sin(5x+20)

WINSTONCH [101]

Answer:

Yes.

Step-by-step explanation:

Just like normal algebra, you factor our the common factor, in this case, 5.

Thus,

$\sin(5(x + 4))$

4 0

3 years ago

A leather jacket is listed at $230 the discount rate is 25% off the list price what is the sales price of the jacket?

mariarad [96]

Answer:

Discount selling price= $172.5

Step-by-step explanation:

Giving the following information:

Selling price= $230

Discount rate= 25%

To calculate the discount selling price, we need to use the following formula:

Discount selling price= selling price*(1 - discount rate)

Discount selling price= 230* (1-0.25)

Discount selling price= $172.5

5 0

2 years ago