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marissa [1.9K]
3 years ago
13

Combine to create an equivalent expression -n + (-4) - (-4n) +6

Mathematics
1 answer:
Sav [38]3 years ago
3 0

Answer: The answer is 3n + 2

Step-by-step explanation: You will have to combine like terms:

=−n + −4 + 4n + 6

=(−n + 4n) + (−4 + 6)

=3n + 2

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4) If four times a number, increased by 1, is the same as three times a
Elis [28]

Answer:

2

Step-by-step explanation:

4x + 1 = 3x + 3

4x - 3x = 3 - 1

x = 2

2 x 4 + 1 = 9

3 x 2 + 3 = 9

4 0
3 years ago
What is the unit rate for 5 pounds of lunch meat for $42.50?A. $5.31 per poundB. $6.50 per poundC. $7.25 per poundD. $8.50 per p
KengaRu [80]

Hey there! I'm happy to help!

We want to find how much money the lunch meat costs for one pound. We see that it costs $42.50 for 5 pounds, so we simply divide by 5 to see how much it costs for 1 pound.

42.5/5=8.5

Therefore, the answer is D. $8.50 per pound.

Have a wonderful day! :D

4 0
4 years ago
Read 2 more answers
The volume (V) of a rectangular prism whose height is 12 cm and base is a square with side lengths s cm: V = 12s to the second p
lions [1.4K]

Answer: 12s^2

you're welcome :D

4 0
3 years ago
Tickets to a school dance cost $5. Ninety tickets have already been sold. How many more tickets x must be sold to earn at least
alex41 [277]

Step-by-step explanation:

5x90=450

700-450=250

250/5=50

50 more tickets.

i don't know if that's in an inequality form or not. but that's how many tickets

4 0
3 years ago
Use the discriminant to find all values of b for which the question has one real solution.
Arada [10]
Use the formula 0 = b^2-4ac

0 = -b^2-4(2)(-9)

0 = -b^2+72

b^2 = 72

b = square root of 72

b = 2 real numbers
4 0
3 years ago
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