3 years ago

(5g+1)(6g+9) Explain how you got itz

1 answer:

6 0

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Lines c and d are intersected by line p. At the intersection of lines c and p, the bottom left angle is (3 x + 45) degrees. At t

anzhelika [568]

Answer:

its 18

Step-by-step explanation:

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3 years ago

Find the quotient of 3/4 and 5/6 in its simplest form

Yuri [45]

Answer:

= 1 R 2

= 1 2/3

Step-by-step explanation:

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3 years ago

A varies directly with B. If A=44 when B=110, find A when B=140

Kay [80]

$\frac{44}{a} = \frac{110}{140}$

$a = \frac{44 \times 140}{110} = 56$

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3 years ago

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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3 years ago

What is the solution to the equation 9-3x = 7?

emmasim [6.3K]

Answer:

x = $\frac{2}{3}$

Step-by-step explanation:

Given

9 - 3x = 7 ( subtract 9 from both sides )

- 3x = - 2 (divide both sides by - 3 )

x = $\frac{-2}{-3}$ = $\frac{2}{3}$

4 0

3 years ago

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