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lana [24]
3 years ago
15

Find the difference between the points to the nearest tenth. A(0,3), B(0,12)

Mathematics
1 answer:
Karolina [17]3 years ago
5 0

Answer:

9 units

Step-by-step explanation:

Distance, not difference.  :)

Because these two points have the same x-coordinate, 0, the line segment connecting them is part of a vertical line.  To find the disance between these points, we merely subtract the y-coordinates:  12 - 3 = 9.

That distance is 9 units.

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sergejj [24]
First, we find x using the given equation:
x = 4 / sin(53)
x = 5

We also know that:
Cos(∅) = base / hypotenuse
Therefore,
cos(53°) = y / 5
3 0
3 years ago
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Are these ratios equivalent?
vaieri [72.5K]

Answer:

Yes

Step-by-step explanation:

3 medium cars to 1 small car can be made into a fraction like this: \frac{3}{1} or \frac{1}{3}. But you must be consistent if the denominator represents medium cars or small cars.

For this, I'm just going to make medium cars the numerator.

18 medium cars to 6 cars can be made into a fraction like this : \frac{18}{6}.

When you divide both fractions in a calculator (or in your head), you will realize that they both are the same value (equivalent).

\frac{3}{1}=\frac{18}{6} = 3

\frac{1}{3} = \frac{6}{18} = .3333333

These ratios are equivalent.

4 0
3 years ago
Hey could you help me with this​
sattari [20]

Answer:

w=8

Step-by-step explanation:

4w-8=24

4w+8-8=24+8

4w=32

4w/4=32/4

w=8

3 0
3 years ago
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If x+y=10 and x-y=4 find the value of x2 y2
Art [367]
You can solve this by substitution.
x+y=10
x-y=4
=====  add the equations
2x=14
x=7

Then plug in x into one of the equations

7+y=10
y=3

so x^2=7*7=49
y^2=3*3=9

Hope that helps!


8 0
3 years ago
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Convert y = 15x^2 - 300x - 60 vertex form by completing the square​
aksik [14]

Answer:

  y = 15(x -10)^2 -1560

Step-by-step explanation:

It usually works well to divide the leading coefficient from the x terms:

  y = 15(x^2 -20x) -60

Now, add the square of half the x-coefficient inside parentheses. Subtract the same amount outside.

  y = 15(x^2 -20x +100) -60 -(15)(100)

  y = 15(x -10)^2 -1560 . . . . . collect terms; write the parentheses as a square

4 0
3 years ago
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