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Pavel [41]
3 years ago
7

What do the following two equations represent?

Mathematics
2 answers:
prohojiy [21]3 years ago
5 0
B I took the quiz today
alexira [117]3 years ago
4 0
If you go on jiskha because you will find your answer by looking through search bar but the answe is B
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When completing the square, does the value of A always need to be one?<br> Thanks
Greeley [361]

Yeah, mostly is has to be negative, but in some cases a is greater than 1 than we do some other operations.

4 0
3 years ago
Find the perimeter of the window. Round your answer to the nearest tenth.
liberstina [14]
1) The perimeter is the sum of the lengths of the straight edge (the diameter of the semicircle) and the length of the arc of the semicircle.

The circumference of a 4 ft circle is
  π*diameter = π*4 ft ≈ 12.566 ft
The semicircle will have a length that is half that, 6.283 ft. When this length is added to the diameter, the perimeter is found to be
  Perimeter = 4 ft + 6.283 ft ≈ 10.3 ft.


2) The area of a circle is given by the formula
  A = (π/4)d²
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5 0
3 years ago
Solve by factoring: 2x2 - 5x - 12 = 0
Zepler [3.9K]

Step-by-step explanation:

2 {x}^{2}  - 5x - 12

2 {x}^{2}   - 8x  + 3x - 12

2x(x - 4) + 3(x - 4)

2x  + 3 = 0 \:  \: x - 4 = 0

x =  \frac{ - 3}{2}  \:  \: x =4

5 0
3 years ago
Read 2 more answers
Find the equation of the line that passes through (-1, 4) and is perpendicular to the
statuscvo [17]
For perpendicular lines, m2 = -1/m1; where m1 is the slope of line 1 and m2 is the slope of line 2.
m1 = (-4 - 2)/(4 - 2) = -6/2 = -3
m2 = -1/-3 = 1/3
Equation of the required line is given by: y - 4 = 1/3 (x - (-1))
y - 4 = 1/3 x + 1/3
y = 1/3 x + 1/3 + 4
y = 1/3 x + 13/3
6 0
3 years ago
What is the measure of angle CED? There are two triangles labeled ABC and DCE with a common vertex C. In triangle ABC, angle BAC
Citrus2011 [14]
I believe the answer is 60 degrees I am a little confused by that question though
5 0
3 years ago
Read 2 more answers
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