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Galina-37 [17]
2 years ago
15

If M=5x^2+7x-4 and N=-3x^2-4x+5, then M-N equals

Mathematics
1 answer:
Phantasy [73]2 years ago
4 0

Answer:

8x² + 11x - 9

Step-by-step explanation:

M - N

= 5x² + 7x - 4 - 1(- 3x² - 4x + 5) ← distribute parenthesis by - 1

= 5x² + 7x - 4 + 3x² + 4x - 5 ← collect like terms

= 8x² + 11x - 9

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Step-by-step explanation:

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2 years ago
Which figure has a greater area?<br>19 ft<br>16.4 ft<br>.<br>15 ft<br>16.1 ft​
Makovka662 [10]

Answer:

green triangle

Step-by-step explanation:

The green triangle has an area of

A = 1/2 bh

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A =142.5 ft^2

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The green triangle has a greater area

7 0
3 years ago
If you multiply 235 by 49, what will be the partial products?
Olenka [21]

Answer:

Step-by-step explanation:

(200+30+5)(40+9)

40*200 = 8000

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9*5=45

8000+1200+200+1800+270+45 =11515

7 0
3 years ago
Read 2 more answers
5.) How many, and what type of solutions does 2x^2 + 11x + 15 = 0 have?
-Dominant- [34]

Answer: A i think

Step-by-step explanation:

5 0
3 years ago
Which of these tables is a non linear function
adoni [48]

Answer:

C

Step-by-step explanation:

Because on all the graphs all the numbers on the Y side are essentially adding one.  With the 3rd graph, it goes from 17 to 19, skipping 18.  Therefore it is not linear.  

8 0
2 years ago
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