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Vlad [161]
2 years ago
8

Expand then fully factorise 9(f + 3) +36f - 3)

Mathematics
1 answer:
Ganezh [65]2 years ago
3 0

Answer:

3(15f + 8)

Step-by-step explanation:

9f + 27 + 36f - 3

We can take out 3.

3(3f + 9 + 12f -1)

3(15f + 8)

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ashley calculates her salary (base and commission) for the year “y” using the model y= 0.2x + 25,000; where x represents her tot
jarptica [38.1K]

Answer:

The y-intercept in the model represents the base salary

Step-by-step explanation:

In regression analysis, the y-intercept refers to the point where a regression line crosses or cuts the y-intercept. At this point, the value of the explanatory variable X is usually 0.

In the model, the explanatory variable x is Ashley's total sales for the year. On the other hand the dependent variable is the annual salary which depends on total sales.

Substituting x with 0 in the regression model yields;

y = 0.2(0) + 25,000

y = 25,000

The y-intercept is thus 25,000 which is simply the salary earned in the absence of sales. This is simply the basic salary.

8 0
3 years ago
Given f(x) = 2x² + 8x - 4 and g(x) = 5x +6, find 3f(x) – 2g(x).
myrzilka [38]

Step-by-step explanation:

When the problem says 3f(x), it means that you are multiplying f(x) by 3. The same goes for 2g(x).

3(2x^2+8x-4)= 6x^2+24x-12

2(5x+6) = 10x+12

Now, we subtract f(x) from g(x) after being multiplied.

(6x^2+24x-12)-(10x+12)

6x^2+14x-24

7 0
3 years ago
I need help quick! <br> Q: The measure of
Citrus2011 [14]

Answer:

x=34

Step-by-step explanation:

132-64=

68/2=

34

PLEASE MAKE ME BRAINLIEST

7 0
2 years ago
У = 3(х – 4)2 – 8<br> How do you write this in standard form
aniked [119]

Answer:

y = 3x^2-24x+40

Step-by-step explanation:

Hi there!

Standard form: y=ax^2+bx+c

y = 3(x-4)^2-8

Solve (x-4)^2

y = 3(x^2-8x+16)-8

Multiply 3 by the parentheses

y = 3x^2-24x+48-8\\y = 3x^2-24x+40

I hope this helps!

5 0
3 years ago
The fraction represented in(1) is equivalent to the fraction represent in 1 (b)
son4ous [18]
What is the question???
8 0
3 years ago
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