2 years ago

I need some help with this

Mathematics

1 answer:

adelina 88 [10]2 years ago

8 0

I can’t see the picture can u send me the question?

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Evaluate: 3-mn if m=-4 and n=-8

alexira [117]

Answer:

The answer is -29

Step-by-step explanation:

All you have to do is plug -4 where m is and -8 where n is. Your equation would look like this... 3-(-4)(-8). Then all you have to do is plug it into your calculator and you will get -29.

4 0

2 years ago

What are the coordinates of the center of the ellipse shown below?

photoshop1234 [79]

Answer:

Option D (7, -3)

Step-by-step explanation:

We know that the general equation of an ellipse has the form:

$\frac{(x-h)^2}{a^2} + \frac{(y-k)^2}{b^2} = 1$

Where the point (h, k) are the coordinates of the center of the ellipse

In this case the equation of the ellipse is:

$\frac{(x-7)^2}{4} + \frac{(y+3)^2}{16} = 1$

Then

$h=7\\\\k = -3$

So The coordinates of the center of the ellipse are (7, -3)

8 0

2 years ago

Read 2 more answers

Four people enter their names into a drawing. The winner receives one of two different prizes that are randomly selected. The tr

galina1969 [7]

A) (-4,2π/3)
b) (4,4π/3)
c) (-2,π/3)
d) (2,5π/3)

7 0

2 years ago

Write an equation of each line in point-slope form. containing (2,1) and (3,4)

Leokris [45]

Answer:

y=3x-5

Step-by-step explanation:

This is the only line that will pass through these points.

7 0

2 years ago

What is the slope of the line that passes through the points (-3,2) and (-1,-5)

Oduvanchick [21]

Answer:

m = -7/2

Step-by-step explanation:

(y2-y1) / (x2-x1)

(-5 - 2) / ( -1 -3)

= -7/2

hope that helps :D

7 0

2 years ago