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Anna35 [415]
3 years ago
13

Hi please help im honestly so tired and I don't have the time to constantly read this so I can get it

Mathematics
2 answers:
rodikova [14]3 years ago
8 0

ANSWER: 3

<em><u>image at the bottom to help you visualize!</u></em>

First, Let's graph point A:

( The red point )

Now reflect point a across the X axis which is the horizontal line (to get point B):

( The blue point )

We see that --> in the point (5,-3), the y coordinate, (-3) changed to (3)

SO THE ANSWER WOULD BE:<u> 3</u>

Summary:

When you reflect a point across the x-axis, the x-coordinate remains the same, but the y-coordinate is transformed into its opposite (its sign is changed).

When you reflect a point across the y-axis, the y-coordinate remains the same, but the x-coordinate is transformed into its opposite (its sign is changed).

HOPE THIS HELPS!

shutvik [7]3 years ago
4 0
When your doing a reflection over the X axis you want to switch the X cordinate that you are give to the opposite of +/- like if (-5,3) and your flipping it over the X axis it would be (5,3) but in this case your flipping it over the Y axis and you need to switch the Y cordinate to the opposite number so (5,-3) is your original number and when you flip it over the Y axis it would make it (5,3)
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5 0
2 years ago
M&lt;2 = 34. Find m&lt;4 and explain how you know.
Basile [38]

Answer:

m<4 = 34°

Step-by-step explanation:

m<2 = 34° (given)

m<3 + m<2 = 180° (linear pair)

m<3 + 34° = 180° (substitution)

Subtract 34° from each side

m<3 = 180° - 34°

m<3 = 146°

m<4 + m<3 = 180° (linear pair)

m<4 + 146° = 180° (substitution)

Subtract 146° from each side

m<4 = 180° - 146°

m<4 = 34°

This shows that vertical angles are congruent.

m<2 and m<4 are vertical angles formed when two straight line intersects. They are both of equal measure.

3 0
3 years ago
Create a proportion from each set of numbers. Only use 4 numbers from each set.
enot [183]

Step-by-step explanation:

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6 0
2 years ago
How do find a measurement of an angle?
aleksley [76]
You can find the measurement of an angle by using a protractor. Hope this helps!
3 0
3 years ago
If a coin is thrown with a starting velocity of 0 m/s down a dry well and hits bottom in 1.2 s, what's the depth of the well? Wi
BigorU [14]

Answer:

Depth = 7.06 m

Velocity = 11.77 ms-1

Step-by-step explanation:

We use the equation of motion:-

s = ut + 1/2 gt^{2}   where s = distance fallen , t = time , u = initial velocity and g = 9.81 ms^-2 , the acceleration due to gravity.

So s = 0(t) + 1/2 * 9.81 (1.2)^2

= 7.06 m to nearest tenth.

We use another equation of motion to find the final velocity:-

v^2 = u^2 + 2gs    where v = final velocity

v^2 = 0 + 2*9.81 * 7.06

= 138.52

v = √138.52 = 11.77 m s-1


5 0
2 years ago
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