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Snezhnost [94]
3 years ago
12

The area of a rectangle is represented by the expression 4x3−6x2+5x+8 . The width of the rectangle is represented by the express

ion x−2 . Write an expression that represents the length of the rectangle. Your expression should be in the form q(x)+r(x)b(x) . Show work or explain your answer.
Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
6 0

Answer: 4x² + 2x + 9

Step-by-step explanation:

Given that :

Area of rectangle (A) = 4x³−6x²+5x+8

Width of rectangle (W) = x - 2

Recall:

A = length (L) * W

L = A / W

Using long division :

(4x³−6x²+5x+8) ÷ (x - 2)

Kindly check attached picture for the calculation using long division.

It is better written on a notebook. Thank you.

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Which sum or difference identity could be used to prove that sin(pie + q) = -sin q
Paladinen [302]

Answer:

see below

Step-by-step explanation:

<em><u>sin(a+b) = sin(a)cos(b) + cos(a)sin(b)</u></em>

sin(π+q) = sin(π)cos(q) + cos(π)sin(q)

sin(π) = 0

cos(π) = -1

therefore

sin(π+q) = 0*cos(q) -sin(q) = -sin(q)

7 0
3 years ago
Please help<br><br> will mark brainlist
4vir4ik [10]

Answer:

I believe it is 8.0 units.

Step-by-step explanation:

I may be wrong, but bare with me:

X and Y have negative and positive meaning depending on the quadrant, so if it is correctly put, the answer would be 7.6 units. Rounded to the nearest tenth would be 8.0

Hope this helps!

3 0
3 years ago
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irga5000 [103]

Answer:

$10.55

Step-by-step explanation:

8 0
3 years ago
Can somebody help me
saveliy_v [14]

Answer:

Y=5

You must first divide b (-10) by two and square it to know what you need to make a perfect square (25). You must then add or subtract the amount to make C (-13) into that number (add 38). Don't forget to do it on the other side too! (3 becomes 41) You then factor the left side. ((Y-5)^2=41) The result is your answer. (Y=5)

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3 years ago
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Natalija [7]
I think the answer is B
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3 years ago
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