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Mariulka [41]
3 years ago
12

Multiply (x + 2y)(x2 − xy + 3y).

Mathematics
1 answer:
erma4kov [3.2K]3 years ago
4 0

Answer:

{x}^{3}  +  {x}^{2} y + 3xy - 2x {y}^{2}  + 6 {y}^{2}

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Expand the binomial (2x^2+y^2)^4. Fill in the missing coefficients in the expansion of the binomial .
Jobisdone [24]
Expanding (2x² + y²)⁴ with Pascal triangle or using binomial theorem gives:

(2x² + y²)⁴ = 16x⁸ + 32x⁶y² + 24x⁴y⁴ + 8x²y⁶ + y⁸


5 0
3 years ago
25 pt question amd will mark brainliest
Usimov [2.4K]
Hello!

The angles are supplementary meaning they add to 180°

a + 2a + 3 = 180

Combine like terms

3a + 3 =  180

Subtract 3 from both sides

3a = 177

Divide both sides by 3

a = 59

the answer is 59°

Hope this helps!
8 0
3 years ago
Read 2 more answers
Which statement is true?
Maslowich

Answer:

A

Step-by-step explanation:

on the left of the equation, (6^4)^-5 = 6^-20

the right side you add the exponents so it would be (-7-3) =-10

so it would be 6^-10, which is greater than 6^-20

5 0
2 years ago
Find x in this proportion. x/3 = x+2/5 x =
pickupchik [31]

<em>x = 3 \\ solution \\  \frac{x}{3}  =  \frac{x + 2}{5}  \\ or \: 5x = 3(x + 2)(cross \: multiplication) \\ or \: 5x = 3x + 6 \\or \: 5x - 3x = 6 \\  or \: 2x = 6 \\ or \: x =  \frac{6}{2}  \\ x = 3 \\ hope \: it \: helps</em>

8 0
3 years ago
two and a half times a number plus six is equal to three times the same number plus four and a quarter​
Daniel [21]

Answer:

2(1/2)x + 6 = 3x + 4(1/4)

8 0
3 years ago
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