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Dmitrij [34]
3 years ago
14

Divide 2x^4+4x^3-18x^2-4x+16 by x+4 using long division

Mathematics
1 answer:
aleksley [76]3 years ago
5 0
I recommend looking up synthetic division or how to do long division because it is hard to demonstrate it just by describing it. Regardless the answer is

2x^3 - 4x^2 - 2x + 4


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Solve.<br><br>4×[52×(3×15)+32]-5=​
worty [1.4K]
Answer: 9483

Step by step

= 4(52)(45)+32)−5

= 4(2340+32)−5

= (4)(2372)−5

= 9488–5

= 9483
7 0
3 years ago
Solving linear equations
AlexFokin [52]

Answer:

(x, y ) = ( \frac{1}{2}, \frac{5}{2})

Step-by-step explanation:

given the 2 equations

4x + 2y = 7 → (1)

y = 5x → (2)

Substitute y = 5x into equation (1)

4x + 2(5x) = 7

4x + 10x = 7

14x = 7 ( divide both sides by 14 )

x = \frac{7}{14} = \frac{1}{2}

substitute this value into equation (2)

y = 5 × \frac{1}{2} = \frac{5}{2}


4 0
3 years ago
Quadrilateral ABCD​ is inscribed in this circle. What is the measure of angle C?
Shkiper50 [21]

Answer:

107 degrees

Step-by-step explanation:

For an inscribed quadrilateral, the opposite angles are supplementary. Thus, B+D = 180 and you can solve for x.

3x+9+2x-4 = 180

5x = 175

x = 35

Next, plug the x value into angle A.

2(35) + 3 = 73

Angle C is the supplement of this which is 180-73 = 107

6 0
3 years ago
HELP PLS ‼️ A middle school student recorded 254 videos in 6 3/4 months. Find the student's video-taping rate in videos per mont
lilavasa [31]

Answer:

127/4 or 31 3/4 or 31.75

Step-by-step explanation:

got this by dividing 254 with 6 3/4

8 0
2 years ago
Jill is standing at the base of her apartment building. She measures the angle of elevation to the top of a nearby tower to be 4
Greeley [361]
Let the distance of Jill form the base of the tower be x, then tan 40 = 100/x
x = 100/tan 40 = 100/0.8391 = 119.18 meters

Let the height of the tower from the level of the top of Jill's apartment be y, then tan 30 = y/119.18
y = 119.18 x tan 30 = 68.8 meters

Therefore, the height of Jill's apartment is 100 - 68.8 = 31.2 meters
8 0
3 years ago
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