Which of the following equations has infinitely many real solutions? A. 4x + 1 = x - 1 B. 4x + 1 = 4x - 1 C. 4(x - 7) = 4x + 28 D. 4(x - 7) = 4x - 28

Answers

Answer 1

Answer: The equation that has infinitely many real solutions is:

B. 4x + 1 = 4x - 1

In this equation, when you simplify it, you'll find that it states 1 = 1, which is always true. This means there are infinitely many solutions because any value of x would make the equation true.

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The length of a rectangular poster is 3 inches less than the width. The perimeter is 38 inches. Find the length

Answers

Answer: Breadth = 11 ; Length = 8

Step-by-step explanation:

Let the width of the rectangle be 'x'

Length of the rectangle = x - 3

Perimeter of the rectangle = 38

Perimeter of rectangle formula = 2 ( length + breadth )

Substitute:

2 ( x + x-3 ) = 38

2 ( 2x - 3 ) = 38

2x - 3 = 19

2x = 19 + 3

2x = 22

x = 11

Therefore, the breadth = 11

Length = x-3 = 11 - 3 = 8

To check, find the perimeter:

2( 11 + 8)

= 2 ( 19 )

= 38.

We get the same perimeter so the answer is correct.

Answer:

length =8

Step-by-step explanation:

x= width

x-3(3 inches less than the width)

x+x-3+x+x-3=38

4x-6=33. add 6 on both sides

4x=44 divide by 4

x=11. plug 11 in for x because 11 is the width. in the equation x-3. (x=width) 11-3= 8. The length is 8.

What percent of 200 is 6?

Answers

Answer=3%

6 x
____=____
200 100

cross multiply
200x=600
divide both sides by 200
x=3

3% because 1% is 2, 2x3 equals 6《 i messed up on this im just fixing it》

Need help please
-3x + 5x -2 > 8x - 7 -9x

Answers

$-3x + 5x -2 \geq 8x - 7 -9x\n 3x\geq-5\n x\geq-(5)/(3)$

John, Paul, and George have a combined age of 91. Paul is 14 years younger than John. George is 6 years older than John. How old is all three gentlemen?

Answers

Paul is 19, John is 33, and George is 39

Answer: john is 33, paul is 19, george is 39

Step-by-step explanation:

It's not the 4th one:)

Answers

I believe that it is the second one. Intersection, union.

Need help ASAP! Sorry for the low-ish quality

Answers

It’s B I used the calculator

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