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frez [133]
3 years ago
9

What is 3x + 11 equals 5x minus 9

Mathematics
2 answers:
Iteru [2.4K]3 years ago
8 0
Here are the steps for the equation:
3x+11=5x-9
subtract 3x
11=2x-9
add 9
20=2x
divide by 2
10=x
switch sides
x=10  

Hope this helps! :)
Ymorist [56]3 years ago
6 0
The answer is x=10,

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Is the dilation of -3/4 a contraction or an expansion?
lyudmila [28]
I don't under stand
5 0
3 years ago
An observer (O) is located 500 feet from a school (S). The observer notices a bird (B) flying at a 39° angle of elevation from h
Serhud [2]

Answer:

h=404.89

Step-by-step explanation:

We are looking for side h, which is opposite of the observer. We know that the side adjacent to the observer is 500 feet. We also know that the angle from the observer to the bird is 39°. Because we have these values, SOH CAH TOA tells us that we should use tangent, opposite over adjacent.

We can set up our equation as follows:

tan(39°)=h/500

We can then solve for h:

500*tan(39°)=h

h=404.89

4 0
2 years ago
Which of the equations is a line whose slope is 3/4 and y-intercept is 6? 3x - 4y = -6 3x - 4y = 6 3x - 4y = -24
Brut [27]
The answer is
3x-4y=-24

y=mx+b
-4y=-3x-24
y=(3/4)x+(-24/-4)
y=(3/4)x+6

slope m=3/4
y =6
4 0
3 years ago
Average rate of change
Ganezh [65]

Answer:

The average rate of change in that space would be 12.

Step-by-step explanation:

To find this, use the two ordered pairs (-1, 3) and (1, 27) in the slope formula.

m(slope) = (y2 - y1)/(x2 - x1)

m = (27 - 3)/(1 - -1)

m = 24/2

m = 12

7 0
3 years ago
Which ordered pair is a solution of the equation?<br> -3x – y = 6<br> Choose 1 answer:
Aleks [24]

Answer:

Step-by-step explanation:

I can not see your answers to choose but with this equation for 2 variables, you can replace the values of x and y and see if that is right or not.

For example, to know (-2,5) is a solution, you replace x= -2 and y= 5

into this equation: -3x -y = 6

and you have: -3*(-2) -5 =6

or 6-5 =6, and you find that is impossible, so (-2.5) is not a solution.

Hope you understand it

5 0
3 years ago
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