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alexdok [17]
3 years ago
6

How do you solve this by grouping x^3-3x^2+3x-9=0

Mathematics
2 answers:
frozen [14]3 years ago
6 0

Answer:

x = 3

x = ± √3 = ± 1.7321

liraira [26]3 years ago
4 0

Answer:

264:)

Step-by-step explanation:

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Michael is constructing a circle circumscribed about a triangle. he has partially completed the construction. what should be his
earnstyle [38]

Answer:

Connect the arcs to make a perpendicular bisector

6 0
1 year ago
The slope of a line parallel to y=2x+1 is 2
Ann [662]
Yes. Parallel means same slope as original line. So it’s 2
7 0
3 years ago
If the length of a rectangle is 3 and the width is 2, the length of the diagonal is a 13 b 5 c √5 d √13
trasher [3.6K]

Answer:

The length of the rectangle is 12cm and the area of the rectangle is 60cm2.

Explanation:

By definition, the angles of a rectangle are right. Therefore, drawing a diagonal creates two congruent right triangles. The diagonal of the rectangle is the hypotenuse of the right triangle. The sides of the rectangle are the legs of the right triangle. We can use the Pythagorean Theorem to find the unknown side of the right triangle, which is also the unknown length of the rectangle.

Recall that the Pythagorean Theorem states that the sun of the squares of the legs of a right triangle is equal to the square of the hypotenuse. a2+b2=c2

52+b2=132

25+b2=169

25−25+b2=169−25

b2=144

√b2=√144

b=±12

Since the length of the side is a measured distance, the negative root is not a reasonable result. So the length of the rectangle is 12 cm.

The area of a rectangle is given by multiplying the width by the length.

A=(5cm)(12cm)

A=60cm2

3 0
3 years ago
Solve for x. 12(x+11) = 24
Mars2501 [29]

Answer:

x = -9

Step-by-step explanation:

First, divide both sides by 12 to isolate the expression, x + 11

12(x + 11)/12 = 24/12

x + 11 = 2

Then, subtract 11 from both sides

x + 11 = 2

  - 11  - 11

x = -9

4 0
3 years ago
Read 2 more answers
Please someone can help me with #13, 15 and 16 Thanks.
ladessa [460]
What's the question though?
8 0
3 years ago
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