Divide - 2x3 – 4x2 + 3x + 2 by x – 3.

Mathematics

2 answers:

Ratling [72]3 years ago

7 0

<h3>Answer: 2x^{2} +2x+9, remainder is 29</h3>

Step-by-step explanation:

sashaice [31]3 years ago

3 0

Answer:

Step-by-step explanation:

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Grady marks down some $4.09 pens to $3.59 for a week and then marks them back up to $4.09. Find the percent of increase and the

emmainna [20.7K]

Answer:

Percentage decrease ( from $4.09 to $3.59) is 0.1% ( Rounded to nearest tenth)

Percentage increase (from $3.59 to 4.09) is 0.1% ( Rounded to nearest tenth)

Percentages are not same for the both price changes. As we can see from the calculations percentage change from $3.59 to $4.09 is higher.

Step-by-step explanation:

$4.09 has been changed to $3.59.

Percent change = [(Value after - Value before) / Value before]*100

= $\frac{3.59-4.09}{4.09}*100$ %

= $\frac{-0.5}{4.09}*100$ %

= $-0.122249$ %

= $-0.1$ % ( Rounded to nearest tenth)

Percentage decrease is 0.1% ( Rounded to nearest tenth)

Now lets calculate the percentage change from $3.59 to $4.09.

Percent change = [(Value after - Value before) / Value before]*100

= $\frac{4.09-3.59}{3.59}*100$ %

= $\frac{0.5}{3.59}*100$ %

= $0.13927$ %

= $0.1$ % ( Rounded to nearest tenth)

Percentage increase is 0.1% ( Rounded to nearest tenth)

Percentages are not same for the both price changes. As we can see from the calculations percentage change from $3.59 to $4.09 is higher.

6 0

3 years ago

Y’all I really need help with this, please help !!

gogolik [260]

2. The chord is bisected by the segment from the center, so you have a right triangle with legs 4 and 6. The hypotenuse is the radius of the circle, x.
x = √(4^2 +6^2) = √(16+36) = √52
x = 2√13

4. By the rules for secants, the product of the lengths of the parts of the chord is the same in each case.
3*7 = 2*x
x = 21/2
x = 10.5

6. The measure of angle "a" is the average of the two intercepted arcs.
a = (165° + 55°)/2
a = 110°
Of course, b is its supplement.
b = 180° - 110°
b = 70°

8. Secant rules again. The products of the near and far lengths are the same in each case. When the segment is a tangent, the near and far lengths are the same, so it is the square of the tangent length.
x² = 4(4+12) = 64
x = 8

10. This works the same way as problem 2. Here, it looks like you have a triangle with hypotenuse 6 and side length 3. The other side length is
half-chord = √(6² -3²) = √(36 -9) = √27 = 3√3
AB = 2*(half-chord) = 2*3√3
AB = 6√3

12. The equation of a circle of radius r and center (h, k) is
(x-h)² + (y-k)² = r²
Of course, the "passes through" point must satisfy the equation, so you have
(x-3)² + (y-0)² = r² = (-2-3)² + (-4-0)² = 25+16
(x-3)² + y² = 41

14. Same as 12. Radius is 4.
(x+5)² + (y-2)² = 16

16. Radius 2, center (0, -1).
x² + (y+1)² = 4

18. The angle bisectors for the axes are the lines
y = x
y = -x
Here's a plot.