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Ipatiy [6.2K]
3 years ago
11

PLEASE HELP! Will get brainiest!!

Mathematics
1 answer:
Tcecarenko [31]3 years ago
3 0
I'll help with a few.

3. -3x^3 - 9x^2 + 3x
Solve: 
= (-3x)(x^2 + 3x + -1)
= (-3x)(x^2)+(-3x)(3x)+(-3x)(-1)
= -3x^3 - 9x^2 + 3x

7. (m - 2) (m + 11)

8. (t - 2) (5t + 9)

9. (5x + 3) (5x - 3)

10. (3t + 2)^2

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Pls help me answer this​
Mnenie [13.5K]

Answer:

C

Step-by-step explanation:

Bc everything is positioned right

I hope this helps

4 0
3 years ago
Is -4, 12, -36, 108, -324 arithmetic or geometric
kumpel [21]

Answer: Geometric

Step-by-step explanation: An arithmetic sequence is a sequence with a common difference. In other words, it has a number that is repeatedly added or subtracted to reach the next term. In this problem, that's not the case. We are not going up or down by the same number which means it's geometric.

4 0
3 years ago
Four friends are collecting money to buy dog food or animal for the animal shelter this food will cost $150 and each friend will
frosja888 [35]

The answer is $37.50. All you do is take $150 and divide it by 4.

5 0
4 years ago
mark is training for a mini triathlon he rode his bike 3/4 of a mile, ran 5/6 of a mile , and swam 10/12 miles each day for 7 da
brilliants [131]
Add the distances together then multiply by 7 days.

STEP 1:
=3/4 + 5/6 + 10/12
need a common denominator of 12
=9/12 + 10/12 + 10/12
=29/12 miles in one day (or 2 5/12)

STEP 2:
=29/12 * 7 days
=(29*7)/12
=203/12 miles
=16 11/12 miles in 7 days (or 16.9166)

ANSWER: 16 11/12 miles in 7 days

Hope this helps! :)
4 0
3 years ago
A bus going 45km/h travels nonstop from the northern end of town to the southern end of town in 15 minutes. How far does the bus
nataly862011 [7]

Step-by-step explanation:

15 minutes = 0.25 hours.

Distance the bus travels

= (0.25h)(45km/h)

= 11.25km.

4 0
3 years ago
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