Solve the inequality
3(3F − 2) > 6F − 4

Answers

Answer 1
Answer: 3 (3F - 2) > 6F - 4

Expand the left side:            9F - 6 > 6F - 4

Add 6 to each side:              9F      > 6F + 2

Subtract 6F from each side:  3F > 2

Divide each side by 3 :            F > 2/3 .

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Multiply (x + 3)(x – 3). A. x2 + 6x + 9
B. x2 – 9
C. x2 + 6x – 9
D. x2 – 6x + 9

I can't focus.

Answers

Answer:

The answer is B. x^2-9

Step-by-step explanation:

This problem represents a "the Sum and Difference of the same two terms".

If you encounter the same two terms and just the sign between them changes, rest assured that the result is the square of those two terms. Also, the second term will always be negative.

For example:

(a-b)*(a+b)=a^2-b^2

So, in this case:

(x+3)*(x-3)\nx^2-3*x+3*x-9\nx^2-9

Therefore, the answer is B. x^2-9

B would be correct the -3 x and 3 x cancel out

Are 8/12 equivalent to 4/6 explain why

Answers

Yes because when the lower form of 8/12 is 4/6. Try to divide 8/12 by 2
 
Yes. times 4 by 2, and 6 by 2. It equals 8/12'ths. Alternatively, you can do 8/12 divided by two, and you'll got 4/6, or divide again by two, to get 2/3

kirby often forgets to switch the inequity sign when dividing a negative. when solving 3x-10≥x, should kirby collect the variables on the left or the right? why?

Answers

You should collect the variable on the left side since you can't have two variables of the same letter on each side.so you would take the variable from the right side and subtract it from the left. So subtract x on both sides. Your new problem is 2x-10 is greater than or equal to 0. Now you add 10 on both sides. Your new problem is 2x is greater than or equal to 10. Now divide by 2 on both sides. Your answer would be x is greater than or equal to 5

PLEASE HELP ASAP!! CORRECT ANSWER ONLY PLEASE!!Marty is 3 years younger than 6 times his friend Warren's age. The sum of their ages is greater than 11.

What is the youngest age Warren can be?

Answers

m - Marty's age

w - Warren's age

Marty is 3 years younger than 6 times his friend Warren's age.

6 times his friend Warren's age ----- 6w

Marty is 3 years younger than 6 times his friend Warren's age.  

(1)     m = 6w - 3  

(2)    m + w > 11  

Substitute (1) into (2).

6w - 3 + w > 11

7w > 14

w > 2

Warren can be as young as 3 years old.


Four books, one each on physics, chemistry, mathematics, and biology are about to be stacked on a shelf. If the books are stacked randomly, what is the probability the mathematics book is on top?

Answers

There are 4 books.
The math book can either be top, second from top, third from top, or on the bottom.
The probability of being in any single given position is 1/4 = 25% .
Since each book can be put on the top, and there are 4 books, the chances of a math book going on the top is 1/4, while the other 3 chances are the other books. So your answer is 1/4 or 0.25

NEED HELP: What is the solution to 3(2x – 4) + 2(x + 7) = 6

Answers

Answer:

1/2

Step-by-step explanation:

  • 3(2x – 4) + 2(x + 7) = 6
  • 6x-12+2x+14=6
  • 8x+2=6
  • 8x=4
  • x=4/8
  • x=1/2
The answer is 1/2 I used my ti- calculator