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tino4ka555 [31]
3 years ago
15

I need help on this and then I have to turn it by tomorrow

Mathematics
1 answer:
Yuri [45]3 years ago
7 0
To blurry if you need help just contact me
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-2a3 - 3a2 + 4a + 6, 2a3 + 5a2 + 7 <br> sum the expression
zavuch27 [327]

Answer:

2a2 + 4a + 7

Step-by-step explanation:

As, - (2a3 - 3a2 + 4a + 6) + (2a3 + 5a2 + 7)

= 2a2 + 4a + 13

5 0
3 years ago
Help with this math question thx
KiRa [710]

Answer:

Skewed to the left.

Step-by-step explanation:

The left side of the graph is at 2 and is 4 units from the middle at 6. The right side of the graph is at 9 and is 3 units from the middle. As such the graph is skewed left since it is a greater distance from the left to the center.

3 0
3 years ago
There is a stack of books that is 12 4/9 inches tall. If we take a book off the stack that is 2/9 inches thick. How high is the
Yanka [14]

Answer: It would be 12 2/9

Step-by-step explanation: 4/9-2/9=2/9 Hope this helps!:)

7 0
3 years ago
Look at pic 10 pts will mark brainilest
Nina [5.8K]

Answer:

<em>For part one...</em>

<em><u>you will multiply 4.5 by 3 to get 13.5 . </u></em>

<em>For part two,</em>

<u><em> you will multiply 3m by 4 to get 12.</em></u>

<u><em></em></u>

<em> (: </em><em><u>I hope this helps! BRAINLIEST is appreciated to get to virtuoso</u></em><em> :)</em>

6 0
2 years ago
mike drove to a frineds house at the rage of 40 mph. he returned hoke by the dsne route at 45 mph the driving time for the round
wolverine [178]

Let the distance be x miles

Time = Distance / speed

Time taken by Mike to go to his friend's house = x / 40 hours

Time taken by him to return = x / 45 hours

Total time = x / 40 + x / 45 = 4 hours

= 9x + 8x = 1440 miles

17x = 1440

= x = 1440 ÷ 7

= x = 84.706

Time taken to return home = 84.706 /45= 1.882 hours .

Therefore , Mike took 1.882 hours to reach home .

8 0
3 years ago
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