When adding or subtracting fractions with like denominators, the denominators will change.true or false

Answers

Answer 1

Answer: false because if you add your denominators your just going to get your answer wrong. Only your numerator should change. If you have unlike denominators then the denominators will change.

Answer 2

Answer:

Answer:

False

Step-by-step explanation:

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What is the sum of the expressions (12x+6)+(12x−4)?

Answers

Answer: 24

Explanation: You’ll have to multiply the numbers. 12x6 = 72. 12x-4 = -48.

72 + (-48)
You remove the parentheses because when there’s a “+” in the front of an expression in parentheses, the expression remains the same.

Therefore, it’s just 72-48. Subtract that and you’ll get 24. Hope this helps! (:

Trumpets and cornets are brass instruments. Fully stretched out, the length of a trumpet is 5 and 1/4 feet and the length of a cornet is 4 and 2/4 feet. The trumpet is how much longer than the cornet?

Answers

s(0.75 feet) longer than the corne

Four more than twice a number x is 12. Write an equation that represents this situation. Determine the number x

Answers

Answer:

2x+4=12

x=4

Step-by-step explanation:

Let's look at the way that this question is written in order to write the equation

"Four more than" this means that we need to add 4 to the next thing that is listed.

"Twice a number x" means 2x

Combining the last two gives us 2x+4

"Is 12" means =12

Combining everything gives us

2x+4=12

Now we can solve for x

$2x+4=12\n\n2x=8\n\nx=4$

Charlene wants to build a fence around her rectangular garden. The garden measures 20 meters by 60 meters. a. in other to build a fence, does charlene need to find the area or the perimeter of the garden?
b. How much fencing materials does she need ?

Answers

The perimeter because the fence goes AROUND the yard, not in it.

P = 2w + 2l

P = 2(60) + 2(20)

P = 120 + 40

P = 160

Charlene needs 160 meters of fencing material.

well do you need to find the area or perimeter

steve has scored the following points in his last five basketball games: 14,8,8,13,5. How many points must be score in the next game to average 11 points per game

Answers

Answer:

Step-by-step explanation:

14 + 8 + 8 + 13 + 5 = 48. 48 + 18 = 66. 66 / 6 = 11.

im just doing this for the points lol / / / pay back

Simplify 4a2(a3)/16b(b2)

Answers

4a²(a³)/16b ( b²)

4a⁶/16b³

= a⁶/4b³

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