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Sidana [21]
3 years ago
10

Helpp plz I will mark brainliestttt

Mathematics
1 answer:
Julli [10]3 years ago
5 0

Answer:

Answer b

Step-by-step explanation:

Mark brainliest

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Ind the equation of the tangent line to 9x^2+16y^2=52 through (2, -1)
EastWind [94]
Here are the steps.

In order to get the answer, first we need to get the x and y value of the center of the circle by using the equation of a circle (x^2 + y^2 = r^2)

<span>The center is (-9, -4)</span>

Once you get the center point, find the equation of the line (in a form of a radius) from the center point to point (2, -1). Get the slope.

The slope from center to point (2, -1) is 11/3

Finally, get the negative reciprocal of the slope from the previous step and form the equation using slope-intercept form ( y=mx + b). Then, that's the equation of the tangent line.

The slope of the tangent line is -3/11
The equation is y = -3/11x - 5/11

6 0
3 years ago
A total of 559 tickets were sold for the school play. They were either adult tickets or student tickets. There were 59 more stud
olga2289 [7]

Answer: The answer is 500 hope this helps!

Step-by-step explanation:

6 0
2 years ago
Graph the system &amp; write its solution <br> 2x+y=-4<br> Y=-1/2x-1
xz_007 [3.2K]

Answer:

The solution of system of equation is (-2,0)

Step-by-step explanation:

Given system of equation are

Equation 1 :      2x+y=(-4)

Equation 2 :      y+\frac{1}{2}x=(-1)

To plot the equation of line, we need at least two points

For Equation 1 : 2x+y=(-4)

Let x=0

2x+y=(-4)

2(0)+y=(-4)

y=(-4)

Let x=1

2x+y=(-4)

2(1)+y=(-4)

y=(-6)

Therefore,

The required points for equation is (0,-4) and (1,-6)

For Equation 2 : y+\frac{1}{2}x=(-1)

Let x=0

y+\frac{1}{2}x=(-1)

y+\frac{1}{2}(0)=(-1)

y=(-1)

Let x=2

y+\frac{1}{2}x=(-1)

y+\frac{1}{2}(2)=(-1)

y=(-2)

The required points for equation is (0,-1) and (2,-2)

Now, plot the graph using this points

From the graph,

The red line is equation 1 and blue line is equation 2

Since. The point of intersection is solution of system of equations

The solution of system of equation is (-2,0)

6 0
3 years ago
Which of the following rational functions is graphed below? A. F(x) = B. F(x) = C. F(x) = D. F(x) =
gregori [183]

Answer:

C is the answer

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Jake used integers to record his costs and earnings from selling homemade muffins. He spent $16 on ingredients. He earned $125 f
denis23 [38]

-16 and 125

Step-by-step explanation: hope this helped!

6 0
2 years ago
Read 2 more answers
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