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Artyom0805 [142]
2 years ago
6

Simplify the expression. n+3(n−1)

Mathematics
2 answers:
dlinn [17]2 years ago
8 0
4n-3 I’m sure I’m right.
puteri [66]2 years ago
3 0

Answer:

4n - 3

Step-by-step explanation:

n+3(n-1)\\n+3n-3\\4n-3

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A person drove from 8 am Tuesday to 5 pm Wednesday. Total drive 396 miles. He have lunch for 30 minutes on Tuesday and sleep ove
777dan777 [17]

Answer: 18mph

Step-by-step explanation:

Given data

total distance driven = 396 miles

time driven = 8 am Tuesday to 5 pm Wednesday

total time driven in hours = 33 hours

lunch break time = 30 min Tuesday  + 30 min Wednesday

= 60 min

= 1 hour

sleep time = 7 pm Tuesday to  5 am Wednesday

= 10 hours

solution:

To find the average speed,

we are given total time driven = 33hrs.

lunch + rest time = 10hrs + 1hr

= 11hrs

total time travelled =drive time - rest + lunch time

= 33 - 11

= 22hrs

therefore;

average speed = distance / time traveled.

average speed = 396 / 22

average speed = 18 mph

6 0
2 years ago
It is not a function because both (2, 2) and (2,−2) have the same x-coordinate. It is a function because both (2, 2) and (2,−2)
olya-2409 [2.1K]

Answer:

It is not a function because both (2,2) and (2,-2) have the same x-coordinate.

Step-by-step explanation:

To be a function for the same x value there should NOT be two different y values.

So, in (2, 2) and (2,-2)

For the same x value 2, there are two different y values 2, -2.

So, this is not a function.

3 0
3 years ago
Find 3√27 +3√64 - 3√125
serg [7]

Answer:

the answer is approximately 6.047

4 0
3 years ago
Please help me!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!<br> x = ___
Rzqust [24]

Answer:

68

Step-by-step explanation:

please help me !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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7 0
2 years ago
Mica is making a paste for an art project. He mixes 8 cups of water with glue. If he wants to make a double batch how many quart
dusya [7]

He needs one more quart. That is half of a gallon.

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2 years ago
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