Expand (a + 4)(a – 3) by using the FOIL method.

Answers

Answer 1

Answer: (a+4)(a-3)
a^2 - 3a + 4a - 12
a^2 + a - 12

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X +5+11x=12x+Y It says find the value of y that makes each equation true for all values of

Answers

x + 5 + 11x = 12x + y

Simplify: 12x + 5 = 12x + y (We are adding x and 11x on the left side)

Subtract 12x from each side makes each zero.

5 = y

So we can plug in and test. I'm picking two random numbers to plug in for x. 10, and 82

x = 10, y = 5
10 + 5 + 11(10) = 12(10) + 5
125 = 125

x = 82, y = 5
82 + 5 + 11(82) = 12(82) + 5
989 = 989

So we verified y = 5

Which statement describes the solution to the equation a+5(2a−1)+3=11a−2 ?A.The equation has no solution.

b. The equation has exactly one solution, a=2 11 .

C. The equation has exactly one solution, a=−4 .

D. The equation has infinitely many solutions.

Answers

a+5(2a-1)+3=11a-2
First thing to do is distribute
5*2a=10a
5*-1=-5
a+10a-5=11a-2
Add the similar numbers together
11a-5=11a-2
Then subtract
11a-11a
-5=-2
This equation has no solutions
If it had infinity solutions then both numbers on each side would equal the same, ex: -5=-5

1st distribute

a + 10a - 5 + 3 = 11a -2

Then combine like terms

11a-2 = 11a-2

0=0

Infinite solutions

who is paid less than the minimum hourly wage? A. Bartender B. Electrician C. Hotel manager D. Plumber

Answers

Is this mathmatical or realistic because i need somthing to go off by please

an elevator on the tenth floor goes down 9 floors. Then it goes up 19 floors, down 3, and finally down 12. what floor does it end up on?

Answers

It would end up on the 5th floor please mark as brainliest answer if I'm correct

What is the product (3x-6)(2x2-7x+1)

Answers

Answer:

$\large\boxed{6x^3-33x^2+45x-6}$

Step-by-step explanation:

$\text{Use FOIL:}\ (a+b)(c+d)=ac+ad+bc+bd\n\n(3x-6)(2x^2-7x+1)\n\n=(3x)(2x^2)+(3x)(-7x)+(3x)(1)+(-6)(2x^2)+(-6)(-7x)+(-6)(1)\n\n=6x^3-21x^2+3x-12x^2+42x-6\qquad\text{combine like terms}\n\n=6x^3+(-21x^2-12x^2)+(3x+42x)-6\n\n=6x^3-33x^2+45x-6$