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attashe74 [19]
3 years ago
10

Which one of the following statements is true of perpendicular lines?

Mathematics
2 answers:
Gennadij [26K]3 years ago
7 0
B. They intersect at one point
Yanka [14]3 years ago
3 0
They intersect at one point. hope this helps.
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On $500 at 6% for 18 months what is the interest
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3 years ago
Find the solutions of the quadratic equation 14x^2+9x+10=014x
Vesnalui [34]

Answer:

Option B. x=-\frac{9}{28}(+/-)\frac{\sqrt{479}}{28}i

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form ax^{2} +bx+c=0 is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

in this problem we have

14x^{2}+9x+10=0

so

a=14\\b=9\\c=10

substitute in the formula

x=\frac{-9(+/-)\sqrt{9^{2}-4(14)(10)}} {2(14)}

x=\frac{-9(+/-)\sqrt{-479}} {28}

Remember that

i=\sqrt{-1}

substitute

x=\frac{-9(+/-)\sqrt{479}i} {28}  

x=-\frac{9}{28}(+/-)\frac{\sqrt{479}}{28}i

5 0
3 years ago
The center of a sphere is HURRY ON A TIMER
omeli [17]

Answer:

Center of the Sphere is a fixed point in its interior which is equidistant from each point on sphere. Option 1 is not right because it says center is line segment. Option 3 is right as it says it is fixed and equidistant from point of surface.

Step-by-step explanation:

1 The center of a sphere is

2 a line segment from the center point to the surface of the sphere.

3  a fixed point equidistant from all points on the surface of the sphere.

4  a three-dimensional circle in which all points are equidistant from a fixed point.

5  the same as the base of the sphere

nvm too late :D

the answer is number 3

6 0
2 years ago
Which pair of angles are an example of supplementary angles?
patriot [66]

Answer:

<h3>A Angle 1 and Angle 7 </h3>

Step-by-step explanation:

<h3> I think the Answer is A...</h3>

If you like this answer then mark this answer as BRAINLIEST answer....

Thank you ☺️☺️

5 0
3 years ago
Read 2 more answers
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