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zmey [24]
3 years ago
7

Identify the vertex of the parabola plssss..!!!!!!

Mathematics
1 answer:
kherson [118]3 years ago
8 0

Answer:

how to do this

Step-by-step explanation:

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Simplify 15.6 divided by negative 3.
Aleks04 [339]

Answer:

-5.2

Step-by-step explanation:

5 0
3 years ago
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Find the equation of the median shown:
qwelly [4]

Hey there! I'm happy to help!

The median is the line cutting the triangle in this graph. In general, a median connects any of the triangle points to halfway across the side opposite to that point. This median connects R to halfway across the side across from R.

We want to find the equation of  this median. We see that T is at (-2,3) and R is (3,-3). The first thing to do when looking for the equation of the line is to find the slope, or incline. Since we have two points, we can do this very easily. You simply divide the difference in the y-values by the difference in the x-values.

DIFFERENCE IN Y-VALUES

3-(-3)

3+3

6

DIFFERENCE IN X-VALUES

-2-3

-5

Now, we divide the two answers, giving us -6/5.

So, we have our slope, which gives us the equation so far y=-6/5x+b. We just need to find the b, which is our y-intercept. Well, to do this, we plug in one of our points and we can solve for b. We will use (3,-3)!

-3=-6/5(3)+b

-3=-3 3/5+b

We add 3 3/5 to both sides to isolate the b.

b=3/5

This means that this median should hit the y-axis at (0,3/5), and it looks like it does. Therefore, the equation of this median is y=-6/5x+3/5.

Now you can find the slope of a median! Have a wonderful day! :D

8 0
3 years ago
Please help asap.............................
Westkost [7]

Answer:

A. $8.80

Step-by-step explanation:

$9.28 x 2.5 = $23.20

$12.80 x 2.5 = $32.00

$32.00 - $23.30 = $8.80


B. 8 lbs. caramel and 2 lbs. chocolate

Step-by-step explanation:

$9.28 x 8 = $74.24

$12.80 x 2 = $25.60

$74.24 + $25.60 = $99.84

6 0
1 year ago
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12<br> Х<br> 18<br> x=<br> TO<br> This is 7th grade math
svlad2 [7]
What’s the math called?
3 0
3 years ago
Whats is y=1/3x+2 This is for math
marusya05 [52]

Answer:

an equation of a line

Step-by-step explanation:

This is an equation of a line. Lets walk through it.

y=1/3x+2

This is to find out what the Y coordinate would be when X is plugged in. So, if x was 6, you would take 1/3 of 6 to get 2, and add 2. The y intercept would be 4, since y=1/3(6)+2, y=2+2, y=4

Y=1/3x+2

This is what the slope is. If the slope is negative (ie. -3/4) the greater the x intercept the lower the y will be. (so if I had x=4 for a slope of -3/4, that would be y=-3/4(4)+2, y=-3+2, y=-1) But if the slope is positive (ie. 1/3) the greater the x value the greater the y value as well. (see graph attached below for positive)

Y=1/3x+2

This is the Y intercept. (This is NOT the y coordinate. This is only the coordinate of y if x=0) This number tells you where the Y intercept is. If it adds, the y intercept is positive. If it subtracts, the y intercept is negative.

Sorry if these explainations dont make sense. But, here is the graph for y=1/3x+2

4 0
3 years ago
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