2 years ago

Soooo guys hru today??

Mathematics

1 answer:

nikdorinn [45]2 years ago

7 0

Answer:

I'm good how about you?

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How can you solve the equation 4x= 2X-2 graphically?

Vanyuwa [196]

This is 4x=2x-2 as a graph

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2 years ago

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The equation of a circle is ( x - 3) 2 + ( y + 2) 2 = 25. The point (8, -2) is on the circle.

Shtirlitz [24]

Answer:

x =8 is the equation of the tangent.

Step-by-step explanation:

Here the equation of the given circle is: $(x-3)^{2} + (y+2)^{2} = 25$

Now, comparing it with the general equation of circle: $(x-h)^{2} + (y -k)^{2} = r^2$

we get the central coordinates (h,k) = (3,-2)

So, the slope of the line joining center and (8, -2) = $\frac{-2 -(-2)}{8-3} = \frac{0}{5} = 0$

Since the slope of line = 0, line is parallel to x axis.

Now, as tangent and the line is perpendicular to each other

⇒Slope of the tangent = -1/ slope of the line = $\frac{-1}{0}$

Now, by point slope formula: the equation of the tangent is

(y-y0) = m (x-x0)

or, $(y +2) = \frac{-1}{0} (x -8)$

or x =8 is the equation of the tangent.

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2 years ago

There were 12 girls on the basketball team. 3 of them scored over 10 points in the game. What fraction represents the number of

Naily [24]

Answer:

1/4

Step-by-step explanation:

3 out of 12 stored over 10:

3 / 12

simplify

1/4

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2 years ago

After the holidays, Christmas decorations are marked down 60%! If Mr. Buchser wanted to buy an inflatable snowman for the front

Dmitry_Shevchenko [17]

$160* 0.6= 96
160-96= $64
The snowman cost $64

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2 years ago

I need help cause I got a b- in math

anygoal [31]

Answer:

2a plus 3/4b

Step-by-step explanation:

First distribute the fractions.

Second communitate variable a.

Third communitate variable b.

Finally simplify.

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3 years ago