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dolphi86 [110]
3 years ago
10

PLS PLS PLS PLS PLS PLS HELP I NEED THIS QUICK BY THIS FRIDAY!!!!!

Mathematics
2 answers:
kvv77 [185]3 years ago
6 0
12) 9 that would be the answer
abruzzese [7]3 years ago
4 0
10. -1,-6
11. 1,6
12. 9
13. 6
14. 18
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Let f(x) = -4x - 2 and g(x) = 5x - 6. Find fxg and state its domain.
defon

Answer:

c) -20x^2+14x+12

all real numbers

Step-by-step explanation:

So (fg)(x)=f(x)g(x)=(-4x-2)(5x-6).

Need find the expression in standard form we need to use foil:

First:  (-4x)(5x)=-20x^2

Outer: (-4x)(-6)=24x

Inner:  (-2)(5x)=-10x

Last:  (-2)(-6)=12

--------------------------Add like terms:

-20x^2+14x+12

Polynomials have domain all real numbers.

There are no restrictions on what x can be.  For every number you plug in, you will get a number back.  

8 0
3 years ago
Read 2 more answers
Express ( 3/2x-2)^2<br><br> as a trinomial in simplest form.
alexdok [17]

Answer:

9/4x^2 - 6x +4

Step-by-step explanation:

( 3/2x-2)^2

(3/2x-2)(3/2x-2)

9/4x^2 - 3x - 3x +4

9/4x^2 - 6x +4

3/2 x 2 = 6/2 = 3

6 0
3 years ago
Read 2 more answers
Which is true about the completely simplified difference of the polynomials a3b 9a2b2 − 4ab5 and a3b − 3a2b2 ab5?.
PtichkaEL [24]

The simplified difference of the polynomials (a³b+9a²b²-4ab⁵) and (a³b-3a²b²+ab⁵) is (12a²b²-5ab⁵).

<h3>What are Like terms?</h3>

Like terms are those terms that are having the same variables, also the variables are of the same order as well.

for example, 25x and 5x are like terms; 30xy and 7xy are like terms, 9x³ and 4x² are not like terms, etc.

Let's simplify the two of the given polynomials, therefore, find the difference between the two given polynomials.

a^3b+9a^2b^2 - 4ab^5 - (a^3b - 3a^2b^2+ab^5)\\\\= a^3b+9a^2b^2 - 4ab^5 - a^3b + 3a^2b^2-ab^5\\\\\text{Bring Like terms together}\\\\=a^3b - a^3b+9a^2b^2+3a^2b^2 -4ab^5-ab^5\\\\= 12a^2b^2-5ab^5

Hence, the simplified difference of the polynomials (a³b+9a²b²-4ab⁵) and (a³b-3a²b²+ab⁵) is (12a²b²-5ab⁵).

Learn more about Like Terms:

brainly.com/question/2513478

5 0
2 years ago
Joe travels 2 miles in 3 minutes how many miles did he travel in 1 minute
Rudiy27

To find the miles per minute, we need to divide the total distance to the elapsed time. (speed = distance / time)

2 / 3 ≈ 0.67 miles per minute

Best of Luck!

3 0
4 years ago
A school choir needs to make T-shirts for its 75 members and has set aside some money in their budget to pay for them. The membe
Setler79 [48]

Answer:

Equation = 225 + 50y

Step-by-step explanation:

Given

Members = 75

Cost of Shirt = $3

Color = $50 on all shirts

Required

Determine an equation to represent the scenario

Represent the members with x

Such that:

x = 75

First, we need to determine the total cost of ordering x shirts

A shirt costs $3;

So,

x\ shirts = 3 * x

x\ shirts = 3 x

Next, we determine the total cost of colors

Represent each color with y

1\ color = \$50

y\ color = \$50 * y

y\ color = 50 y

The required equation is calculated as thus;

Equation = x\ shirts + y\ color

Equation = 3x + 50y

Substitute 75 for x

Equation = 3 * 75 + 50y

Equation = 225 + 50y

4 0
3 years ago
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