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3 years ago

Plz plz plz plz plz i want the answer

Mathematics

2 answers:

Anettt [7]3 years ago

4 0

Answer:

First Problem. 17x , 17 + x, and 7x + 10x

Second Problem. 2 + 12y, 2x1 + 2x6y

Step-by-step explanation:

Maslowich3 years ago

4 0

First Answer - 17x

Second Answer- 2 + 12y

Hope this helps , Have a great day! <3 :)

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Which of the following polynomials is the expansion of (x - y)4? x4 - x3y + x2y2 - 2xy3 + y4 x4 -2x3y3 + y4 x4 - 2x3y + x 2y 2 -

sammy [17]

Answer:

$(x-y)^4=x^4-x^3y+6x^2y^2-4xy^3+y^4$ .

Step-by-step explanation:

We want to find the polynomial that will result from expanding:

$(x-y)^4$ .

Recall that we can use the Pascal's triangle to obtain the coefficient as:

1 4 6 4 1

Also note how the negative sign is going to alternate.

The power of x will decrease from left to right while the power of y increases from left to right

The expansion then becomes:

$(x-y)^4=x^4-x^3y+6x^2y^2-4xy^3+y^4$ .

7 0

3 years ago

Factor Completely 192x^3 + 375

erastovalidia [21]

192 $x^{3}$ +375

Factor out common term 3:
3(64 $x^{3}$ +125)

Next, factor 64 $x^{3}$ +125:
Apply the sum of cubes rule:
$x^{3}$ + $y^{3}$ =(x+y)( $x^{2}$ -xy+ $y^{2}$ )

64 $x^{3}$ +125 = (4x+5)( $4^{2}$ $x^{2}$ -4*5x+ $5^{2}$ )

Refine to receive the simplified answer:
3(4x+5)( $4^{2}$ $x^{2}$ -4*5x+ $5^{2}$ )
3(4x+5)(16 $x^{2}$ -20x+25)

8 0

4 years ago

Read 2 more answers

Estimate each product.Then write whether the estimate is greater than or less than the actual product.There are 62 rows of 9 cha

34kurt

About 600. 9 rounds to 10 and 62 rounds to 60, multiply them and you get 600!

6 0

3 years ago

Work out length xheight 7 .5 cm base 16cm

Serga [27]

Answer:

120 $cm^{2}$

Step-by-step explanation:

is this for area?

Length times Height is the same as Base times Height

A = L * W

A = 7.5 * 16

A = 120 $cm^{2}$

Hope this helped!

Have a supercalifragilisticexpialidocious day!

8 0

3 years ago

In triangle ABC, if AC is congruent to CB, angle A = 3x + 18, angle B = 7x - 58, & angle C = 2x - 8, find x & the measur

sukhopar [10]

Answer:

Angle A = 75°

Angle B = 75°

Angle C = 30°

Explanation:

If AC is congruent to CB, from figure given we have angle A = angle B.

Angle A = 3x + 18

Angle B = 7x - 58

Angle C = 2x - 8

We have,

3x + 18 = 7x - 58

4x = 76

x = 19

So,

Angle A = 3*19 + 18 = 75°

Angle B = 7*19 - 58 = 75°

Angle C = 2*19 - 8 = 30°

3 0

3 years ago