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lesya [120]
3 years ago
11

Helpppppppppppppppppppppppppppppppppppppppppppp

Mathematics
1 answer:
Umnica [9.8K]3 years ago
5 0

Answer:

18/66 (or 27%)

Step-by-step explanation:

6/11 chance of pink and 3/6 chance of odd number

6/11 * 3/6 = 18/66

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Solve the system of linear equations by substitution
elena-s [515]
There is the equal values method, so you can do:

x-4 = 4x-10 (remove x from both sides)
-4 = 3x -10 (add ten to both sides)
6 = 3x  (devide by 3x)
2 = x

Check: (by plugging it into the equation)
y = 2-4 and y = 8-10
y = -2 and y = -2
that's matches so it is correct...
 YOUR ANSWER IS:
(2, -2)

I hoped I helped sort things out, and have a great day!
7 0
3 years ago
Read 2 more answers
given the line AB with A(1,4) and B(-3,-1) is parallel to line CD with C(8,3) and D(x,-7), solve for the missing value of x.​
umka2103 [35]

Answer:

x = 0

Step-by-step explanation:

We can find the missing value by solving for the other points (graphically or algebraically). We would first find the line of Points A and B in order to find the parallel line that would help us find the coordinate point with the x-value.

1) Graph points A, B, and C.

2) Calculate the slope of points A and B by using the slope formula:

y2 - y1/x2 - x1.  

-1 - 4/-3 - 1....The slope is 5/4.

3) Write 4 = 5/4(x) + b

**We get 4 from the point A (1, 4)

Plug 1 into x and solve for 4 in order to get your y-intercept.

4 = 5/4(1) + b

4 = 5/4 +b

**If 1 = 4/4, then 4 = 16/4.

16/4 = 5/4 + b

11/4 = b

2.75 = b

4) So our y-intercept is 2.75. We now have an equation of  y = 5/4x + 2.75 (graph it along with points A and B to see that it intersect both points.

5) Now we will use that line to find a line parallel to it. We know that if two lines have the same slope then they are parallel, so for the equation of the parallel line, we write: y = 5/4x + b so far.

6) We will find the y-intercept and use that to find the x-value of point D.

First we plug in the x and y values of point C to find the y-intercept

y = 5/4x + b --> 3 = 5/4(8) + b --> 3 = 40/4 + b --> 3 = 10 + b --> -7 = b

7) Now we have the equation of the line that is parallel to line AB: y = 5/4x -7

To find the missing value of x, plug the y-value of point D into the equation and solve for x.

--> -7 = 5/4x -7

--> x = 0

**You can double check this by graphing each point and both equations for the lines.

8 0
2 years ago
What is the constant of proportionality for the relationship shown in the table? x 2 4 6 8 y 1 2 3 4
Tamiku [17]

Answer:

k = \frac{1}{2}

Step-by-step explanation:

Given

x 2 4 6 8

y 1 2 3 4

Required

Determine the constant of proportionality (k)

The relationship between x and y is:

y = kx

When y = 1, x = 2;

So, we have:

1 = k * 2

2 * k = 1

Make k the subject

k = \frac{1}{2}

Hence, the constant of proportionality is 1/2

7 0
3 years ago
I really need this answr tonight please HELP!!! Use limits to find the area between the graph of the function and the x axis giv
Vikentia [17]

Step-by-step explanation:

\int_1^5( {x}^{2} - x + 1)dx

( { \frac{ {x}^{3} }{3}}  -  \frac{ {x}^{2} }{2}  + x)_1^5

( \frac{125}{3}  -  \frac{25}{2}  + 5) - ( \frac{1}{3}  -  \frac{1}{2}  + 1)

( \frac{124}{3}  - 8)

(33.3)

7 0
3 years ago
Read 2 more answers
Farmer ed has 200 meters of​ fencing, and wants to enclose a rectangular plot that borders on a river. if farmer ed does not fen
Nady [450]
I have no "real" answer, because the river may curve...

Fun answer: farmer Ed clearly does not realize you can Not create a rectangular plot that borders a river unless it is artificial and instead of dirt, it would Need to be concrete to ensure a constant straight edge; although even in that case, it would no longer Be a river! It would be a mote or channel. So this problem is unsolvable at his current standards.
3 0
3 years ago
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