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dexar [7]
4 years ago
5

What is the missing angle??

Mathematics
1 answer:
WINSTONCH [101]4 years ago
6 0

Answer:

70

Step-by-step explanation:

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which statement is true about the equations -3x+4y=12 and 1 over 4 x - 1 over 3 y =1 A) The system of the equations has exactly
Citrus2011 [14]

Hi again :)


We need to solve -3x+4y=12 for x

Let's start by adding -4y to both sides

-3x+4y-4y=12-4y

-3x=-4y+12

x = (-4y+12)/-3

x= 4/3 y -4

Now substitute 4/3 y -4 for x in 1/4 x - 1/3 y =1

1/4 x -1/3 y =1

1/4 (4/3 y -4) -1/3 y =1

Use the distributive property

(1/4)(4/3 y) + (1/4)(-4) -1/3 y =1

1/3 y -1 - 1/3 y =1

Now combine like terms

(1/3y -1/3y) + (-1) =1

= -1

-1 = 1

Now add 1 to both sides

0=2

So there are no Solutions

The answer is C


I hope that's help Will :)

6 0
3 years ago
Read 2 more answers
330% of 21 is what number?
kotykmax [81]

Answer: 69.3

Step-by-step explanation:

4 0
4 years ago
Which graph best represents the equation -4x + 5y = 8? A. B. C. D.
stiv31 [10]

Answer:

send a pic of the graph please

3 0
3 years ago
Read 2 more answers
Help please i have no idea how to do this
vekshin1

Answer: I'm not going to give out the answers but I'm happy to explain it and help you out if you're still confused. I'm a geometry honors student rn btw just so you know my credentials.

Step-by-step explanation:

To find slope and write it in slope-intercept form you first need to know the equation and what different variables represent.

y = mx + b is the equation for slope-intercept. You need to find what m and b are to right a slope-intercept equation. for example the first problem's answer is y = \frac{-1}{2}x + 1

m is slope which is the angle that the line is at. To find slope or m, you need to choose a point on the graph. Then, count the amount of spaces vertically and horizontally until the next point on the graph. When I say point, I'm referring to a place on the graph where the line cross perfectly over the intersection of two lines on the graph. Slope is always 'rise over run' meaning it is a fraction containing the amount up or down, over the amount left or right. For example, the first problem (the one on the top left) the slope is  \frac{-1}{2} .

b is the y-intercept. The y intercept where the line crosses the y-axis which is that bold line going up and down in the middle. For example in number one, the y-intercept is 1 because it is one unit up from the origin. (the origin is 0,0, or the very middle of the graph).

Hope this helps! :)

7 0
3 years ago
Read 2 more answers
(05.01 MC) choose the systems of equations which matches the following graph​
topjm [15]

Answer:

a

Step-by-step explanation:

x+2y=-10

-x       -x

2y=-10-x

y=(1/2)x-5

This is one of the lines and reduces the options to a or c.

3x-y=12

-3x    -3x

-y=12-3x

y=3x-12

This is the line with the positive slope and since both lines match, the answer is a.

5 0
4 years ago
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