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Soloha48 [4]
3 years ago
6

Which of the following equations represents direct variation?

Mathematics
1 answer:
liberstina [14]3 years ago
4 0

2=6-3 is the direct variation

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I really need help here. . . Please help me!
mrs_skeptik [129]

haha lol I was looking for the answer too, but I solved it! Here it is:

Answer:

The slope of line s is b/a. Rotate line s 90° clockwise about the origin to get line t.  The labeled points on line s map to (0, a) and (b, 0) on line t. The slope of line t is -a/b. The slopes of the lines are opposite reciprocals because the product of the slopes is -1.

3 0
3 years ago
A soccer ball is kicked toward the goal. the height of the ball is modeled by the function h(t) = −16t2 48t, where t equals the
mamaluj [8]

It takes 1.5 seconds to reach the maximum height and 1.5 seconds to fall back to the ground.

<h3>What is the axis of symmetry?</h3>

Axis of symmetry is a line that divides an object into two equal halves, thereby creating a mirror-like reflection of either side of the object.

1. The function  is a parabola of the form . The the formula for the axis of symmetry of a parabola is . We can infer from our function that a= -16 and b = 48, so lets replace those values in our formula:

x = \frac{-b}{2a}

x = \frac{(-48)}{-2(16)}

x = \frac{-48}{-32}

x = 1.5

We can conclude that to the left of the line of symmetry the ball is reaching its maximum height, and to the right of the line of symmetry the ball is falling.

2. Lets check how much time the ball takes to reach its maximum height and return to the ground. To do that we are going to set the height equal to zero:

-16t^{2} +48t = 0

-16t(t-3)=0

t = 0, (t-3) = 0

t = 0, t = 3

From our previous point we know that the ball reaches its maximum time at , which means that it takes 1.5 seconds to reach the maximum height and 1.5 seconds to fall back to the ground.

To learn more about axis of symmetry from the given link:

brainly.com/question/9444537

#SPJ4

6 0
1 year ago
In the past month Melissa went to buy video games and 7 DVD the rental price for each video game was $3.10 the rental price for
hammer [34]
Hi! I’m here to help you with your math.

You didn’t specify how much games so let’s go with one, if it’s not 1 I can always change it later!

1 * 3.10 is 3.10 (duh)

7 * 3.70 is 25.90

7
3 7 0
0 0 0 0
— — — — — —
4 9
2 1
— — — — — —
2 5 9 0

Add the decimals in the correct places and you’ll get 25.90.

Now add 25.90 + 3.10 and you shall get your answer, 29!

Melissa spent 29$ for the rentals in the past month.

Thank you and I hope this helped.
4 0
3 years ago
What is the value of c?
BaLLatris [955]

Answer:

The value of C is 3

Step-by-step explanation:

all of the angles of a triangle add up to 180°. first you would add 92 and 46 and get 138. You then subtract 180 and 138 and get 42. then you divide 42 by 14 and get 3. then substitute 3 back into the equation and you get 180.

8 0
3 years ago
A tailor cut 3/4 of an inch off a skirt and 1/6 of an inch off a pair of pants. How much more did the tailor cut off the skirt t
Harrizon [31]
2/6 because if you subtract 3/4 and 1/6 you will get 2/6
3 0
3 years ago
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