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Maurinko [17]
3 years ago
11

Find the sum of 4x^3 + 6x^2 +2x - 3 and 3x^3 +3x^2 -5x -5

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
3 0

Answer:

7x³ + 9x² - 3x - 8

Step-by-step explanation:

4x³ + 6x² + 2x - 3 + 3x³ + 3x² - 5x - 5 ← collect like terms

= 7x³ + 9x² - 3x - 8

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4 years ago
Solve the equation. 4x2 – 8 = 56<br><br><br> 2, –2<br> 16, –16<br> 8, –8<br> 4, –4
Marta_Voda [28]

Answer:

8,-8

Step-by-step explanation:

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3 years ago
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If u have 8 and u add 7 more then u multiple it bye 12 how much will u have in total
Sindrei [870]

Answer: 180

Step-by-step explanation: 8 +7 * 12= 180,

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The product of two rational numbers is -25/18. If one of the numbers is -3/7, find the other
MissTica
Hello,

-3/7*x=-25/18
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5 0
4 years ago
Please I need help of this one :)
Harlamova29_29 [7]

Answer:

128.605 m²

Step-by-step explanation:

Find the areas of the top triangle, and the bottom triangle and add them together.

The top triangle consists of 2 smaller triangles.  Look at the larger one, the height is 4.93 and the base is 17.  The area is...

A = (1/2)(17)(4.93)

   A = 41.905 m²

The bottom triangle consists of 2 smaller triangles.  Look at the larger one, the height is 10.2 and the base is 17.   The area is...

A = (1/2)(17)(10.2)

  A = 86.7 m²

The total area is 41.905 m² + 86.7 m² = 128.605 m²

5 0
3 years ago
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