Compare and contrast the perpendicular bisectors and angle bisectors of a triangle. How are they alike? How are they different?

Answers

Answer 1

Answer: They are alike because they both divide something.. They are different because one perpendicular bisector divides one side of the triangle into two equal lengths at a 90 degree angle. So if there's is three perpendicular bisectors, then it splits all three sides the triangles into equal lengths. Angle bisectors splits an angle of a triangle into two even degrees.

Answer 2

Answer:

Answer:

Step-by-step explanation:

The perpendicular bisectors and angle bisectors are alike in one manners that they both divide the entities they are drawn at.

Perpendicular bisector bisect the sides of triangle in two equal halves and angle bisectors divides the angles to which they are drawn in two equal halves.

The difference is that ,

the point at which perpendicular bisectors meet, is the center of circumcircle which is drawn through the vertices of triangle

the point at which angle bisectors are met, is called the incenter , and is the center of incircle inscribed in a triangle touching its three sides.

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What's the Discriminant of X^2-2X-15 ?

Answers

the discriminant is the secion inside the double parenthasees [()] below in the quadratic formulat which is
x= $\frac{-b+ \sqrt{[(b^(2)-4ac)]} }{2a}$

the determinant determines or tells whether the answer is real or imaginary
if it is negative, then it is imaginary, if positive, then it is real
so basically the discriminmant is $b^(2)-4ac$

so ax^2+bx+c
a=x^2-2x-15

a=1
b=-2
c=-15

subsitute
$-2^(2)-4(1)(-15)$ =4-4(1)(-15)=4+60=64
the discriminant is ( $-2^(2)-4(1)(-15)$ ) or 64

ella bought some key chains and spent a total of 24 each key chain cost the same whole dollar amount she bought between 7 and 11 key chains how many key chains did ella buy?

Answers

Answer: there are 8 key chains Ella can buy.

Step-by-step explanation:

Since we have given that

Ella bought some key chain and spent a total of 24.

Each key chain cost the same whole dollar amount she bought between 7 and 11 key chains.

As we know that between 7 and 11, there is only 1 number which is factor of 24 i.e. 8

Hence, there are 8 key chains Ella can buy.

To solve this problem, you need to use a process of trial and error, and add up each number until you get 24 or above. If you get above, it is wrong. The only number that goes into 24 evenly is 8, so the answer is 8 keychains.

Write an algebraic expression for two fifths the cube of a number

Answers

n - the number

$(2)/(5)n^3$

Major axis 12 units long and parallel to the y-axis, minor axis 8 units long, center at (-2,5)

Answers

center is located at (-2,5) is:(x+2)^2 / 36 + (y-5)^2 / 64 = 1

The dimensions of the given ellipse are major axis 12 units long and parallel to the y-axis, minor axis 8 units long, and the center is located at (-2,5).Let us find the standard form equation of the ellipse. The standard form equation of an ellipse is given by:(x-h)^2 / a^2 + (y-k)^2 / b^2 = 1Where (h, k) is the center of the ellipse, a is the distance from the center to either the x-axis or the y-axis, and b is the distance from the center to the other axis. Therefore, for the given ellipse, the equation of the ellipse in standard form is:(x+2)^2 / 36 + (y-5)^2 / 64 = 1Thus, the standard form equation of the ellipse whose major axis is 12 units long and parallel to the y-axis, minor axis 8 units long, and center is located at (-2,5) is:(x+2)^2 / 36 + (y-5)^2 / 64 = 1.

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A store sells school bags for $17.10 each. At what price should the store sell each bag, if the price needs to be marked up by 30%? (Add the markup to the price the store sells the bags for.) *

Answers

The store should sell each bag for $22.23 after a 30% markup.

Here, we have to find the price at which the store should sell each bag with a 30% markup, we'll first calculate the markup amount and then add it to the original price.

We have to, calculate the markup amount.

Markup amount = 30% of the original price

Markup amount = 30/100 * $17.10

Markup amount = $5.13

Add the markup to the original price.

Selling price = Original price + Markup amount

Selling price = $17.10 + $5.13

Selling price = $22.23

So, the store should sell each bag for $22.23 after a 30% markup.

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