3 years ago

On a coordinate plane the vertices of a triangle are A(-1, 4), B(-3,2), and C(0, -1). Find the coordinates of the

Mathematics

1 answer:

Llana [10]3 years ago

5 0

Answer:

B) (-2,3)

Step-by-step explanation:

Graph all your points. No count the distance from point A to B. divide in half .

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The point (-7,4) in on the terminal side of an angle t. Find sec (t) to two decimal places.

Sliva [168]

Answer:

-1.15

Step-by-step explanation:

The tangent of the angle can be found as ...

tan(t) = (y-coordinate)/(x-coordinate) = -4/7

The secant of the angle is related by ...

sec(t)² = tan(t)² +1 = (-4/7)² +1 = 65/49

Then the secant of this 2nd-quadrant angle is ...

sec(t) = -√(65/49) = -(√65)/7 ≈ -1.15

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3 years ago

HELP!!! answer quickly pls

Mumz [18]

Answer:

The first one B

Step by step explanation:

B is (2,4) then do 2+1 which is 3 and then 4 -3 which is 1 and your left with (3,1) which is point B

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3 years ago

If x = –3 is the only x-intercept of the graph of a quadratic equation, which statement best describes the discriminant of the e

kompoz [17]

$\text{ if } \Delta=0\text{ then there is one x-intercept : }x=-\dfrac{b}{2a}\\\\
\text{ if } \Delta\ \textless \ 0\text{ then there are no x-intercept : } x=\varnothing\\\\
\text{ if } \Delta>0\text{ then there are two x-intercept : }x_1,x_2=\dfrac{-b\pm\sqrt{\Delta}}{2a}\\\\$

<u>Answer </u>: <span>The discriminant is 0</span>

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3 years ago

Read 2 more answers

Can someone please help me

Y_Kistochka [10]

The answer is 280 degrees.

8 0

2 years ago

You want to know how many miles harriet went. which situation about her exercise best represents the inequality 15x 7 > 52?

Lady_Fox [76]

The answer is either a or d but we know she did all of this for more than 52 minutes.

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3 years ago