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Alexxx [7]
3 years ago
11

Need help! The product of the polynomials (2ab + b) and (a2 – b2) is 2a3b-2ab3+a2b-b3 . If this product is multiplied by (2a + b

), the result is a polynomial with terms.
Mathematics
1 answer:
ella [17]3 years ago
6 0
The result is polynomial:
=4a^{4}b - 4 a^{2} b^{3} + 2 a ^{3} b - 2ab^{3}  + 2 a ^{3}b^{2} - 2 ab^{4} + a ^{2}  b^{2} -b^{4}
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what is the length of the longest side of a triangle that has the vertices (2, 6), (-4, 6), and (-4, 4)? a. 2/10 units b. 40 uni
rewona [7]
Length (2, 6) to (-4, 6) is sqrt((x2 - x1))^2 + (y2 - y1)^2) = sqrt((-4 -2)^2 + (6 - 6)^2) = sqrt((-6)^2 + 0) = 6

Length (2, 6) to (-4, 4) is sqrt((-4 - 2)^2 + (4 - 6)^2) = sqrt((-6)^2 + (-2)^2) = sqrt(36 + 4) = sqrt(40)  = 2sqrt(10) units

Length (-4, 6) to (-4, 4) is sqrt((-4 - (-4))^2 + (4 - 6)^2) = sqrt(0^2 + (-2)^2) = 2

Therefore, the length of the longest side is 2sqrt(10) units
4 0
3 years ago
Find the area of the following figure..​
Marina86 [1]

Answer:

456 cm^{2}

Step-by-step explanation:

Find the height of the trapezoid first (QR):

\sqrt{37^{2} -35^{2} } = 12

QR = 12

Area:

\frac{a+b}{2} × h = \frac{35+41}{2} × 12

           = 456 cm^{2}

5 0
2 years ago
Notebook cost $8.50 plus sales tax. After sales tax, The Notebook is $8.86. What is the sale tax rate?
statuscvo [17]

Answer:what is 86-50=36 us the tax rate


Step-by-step explanation:


5 0
3 years ago
HELP! What is the equation? WILL GIVE BRAINLIEST! Picture attatched
lubasha [3.4K]

Answer:

y = -6x + 5

Step-by-step explanation:

Perpendicular to the line:

find reciprocal of slope 1/6 => m= -6

Sub m = -6 and point (-3,23) into equation of a line

y = mx + b

23 = -6(-3) + b

23 = 18 + b

Isolate and find b

b = 5

Sub slope and b to get the equation

8 0
3 years ago
Read 2 more answers
In circle R with QRS=90 and QR= 3 units find the length of arc QS round to the nearest hundredth
luda_lava [24]

Hello, I Am BrotherEye

Answer:

27.92 units

Step-by-step explanation:

Radius (qr) = r = 16 units

<QŘS = θ = 82°

Length of an arc = (Θ / 360) * 2πr

L = (θ / 360) *2πr

L = (82 / 360) * 2π * 16

L = 0.2777 * 100.53

L = 27.917 units

L = 27.92 unit

Best Of Luck

~

BrotherEye

6 0
3 years ago
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