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3 years ago

BRAINLIEST!!! HELP!! 15. Where is the circumcenter of a right isosceles triangle located?

Mathematics

1 answer:

drek231 [11]3 years ago

4 0

Answer:

At the midpoint of the hypotenuse

Step-by-step explanation:

The circumcentre is the point of intersection of the 3 perpendicular bisectors.

It is positioned.

Inside all Acute triangles.

Outside all Obtuse triangles.

At the midpoint of the hypotenuse on all Right triangles.

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Help me solve this I will gave u brilliant answer please help

BARSIC [14]

Answer:

4 and 7/12

Step-by-step explanation:

This is addition with fractions.

We must convert to the same denominator.

1/3 and 1/4 becomes 4/12 and 3/12

This makes 7/12

1 add 3 add 7/12 is 4 and 7/12

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2 years ago

How do you do this? its a 5 mark question

LuckyWell [14K]

You multiply both the sides and the top and add them

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3 years ago

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Write the algebraic expression for “twice a number n decreased by seven”

kirza4 [7]

Answer:

2n - 7

Step-by-step explanation:

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3 years ago

2(3x – 4)= -2(x - 2

vesna_86 [32]

Answer:

2(3x-4)=-2(x-2)

6x-8=-2x+4

6x+2x=4+8

8x=12

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3 years ago

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The coordinates of the endpoints of directed line segment ABC are A(-8,7) and C(7,-13). If AB:BC = 3:2, the coordinates of B are

Greeley [361]

Answer:

The coordinates of B are (1,-5).

Step-by-step explanation:

To find the coordinates of point $B$ we will apply section formula.

Its used to find out if any line segment is of any $m_1: m_2$ ratios.

As the lie segment is joining the points internally we will use section formula for internal points.

Lets say that $B$ is having coordinates $(k,l)$ then $k=\frac{m_1(x_2) +m_2(x_1)}{m_1+m_2}$ and $l=\frac{m_1(y_2) +m_2(y_1)}{m_1+m_2}$

Now we have $A=(8,7)$ we call it $(x_1,y_1)$ then $C=(7,-13)$ we call it $(x_2,y_2)$ .

And $m_1=3$ , $m_2=2$

Plugging all the values in section formula we have.

$k=\frac{m_1(x_2) +m_2(x_1)}{m_1+m_2}$

$k=\frac{3(7) +2(-8)}{2+3}$

$= \frac{21-16}{5}= 1$

Similarly

$l=\frac{m_1(y_2) +m_2(y_1)}{m_1+m_2}$

$l=\frac{3(-13) +2(7)}{2+3}$

$l=\frac{-39+14}{5}= -5$

So the coordinates of $B =(1,-5)$

6 0

3 years ago