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34kurt
3 years ago
14

4xy-3x+8y2-6y 8y-6 please help someone thank you

Mathematics
1 answer:
avanturin [10]3 years ago
6 0

Answer:

x=6, y=2.5

Step-by-step explanation:

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After spending $5, Isaac had twice as much money as Luke. If Luke had $10, how much money did Isaac have at first?
Korolek [52]

Answer:

<u>$25</u>

Step-by-step explanation:

10*2=20

20+5=25

8 0
3 years ago
3. Consider the linear equation 2y - 3x = 5.
nignag [31]

Answer:

Step-by-step explanation:

a.

2y - 3x = 5

2(-2) - 3x = 5

-4 - 3x = 5

-3x = 9

x = -3

(-3,-2) is another solution

b.

(-1,1)

2y - 3x = 5

2(1) - 3(-1) = 5

2 + 3 = 5

5 = 5

true, the point is a solution to the equation because the equation is true after substituting x and y with the point (-1,1)

(4,1)

2y - 3x = 5

2(1) - 3(4) = 5

2 - 12 = 5

-10 = 5

not true, the point is not a solution to the equation because the equation is not true after substituting x and y with the point (4,1)

c. You can use the points from the given (-1,1) and (-3,-2) to form a line. You then shade whichever half solves the solution using points on the graph.

8 0
3 years ago
Please help me solve this, and show your work
zlopas [31]

6r+5=11r\ \ \ \ |\text{subtract 6r from both sides}\\\\5=5r\ \ \ \ |\text{divide both sides by 5}\\\\\boxed{r=1}\\-------------------------\\\dfrac{2x-4}{2}=6x+3\\\\\dfrac{2x}{2}-\dfrac{4}{2}=6x+3\\\\x-2=6x+3\ \ \ \ \ |\text{add 2 to both sides}\\\\x=6x+5\ \ \ \ |\text{subtract 6x from both sides}\\\\-5x=5\ \ \ \ \ |\text{divide both sides by -5}\\\\\boxed{x=-1}

6 0
4 years ago
How many different squares can be formed by using four of the evenly spaced dots shown as vertices of the square?
sdas [7]

Answer:

I Believe Its Eight Squares

6 0
3 years ago
Read 2 more answers
Which numbers are a distance of 5 units from 8 on a number line?
AysviL [449]

Answer:  3 and 13

Step-by-step explanation:

Observe the number line attached.

In order to find which numbers are a distance of 5\ units  from  8 on a number line, you can follow these steps:

First step: You must locate the number  8 on the number line.

Second step: Move 5\ units to the left. Notice that the distance between the numbers  3 and  8 is 5\ units

Third step: Move 5\ units  to the right. Observe that the distance between the numbers 13  and  8 is 5\ units

You can also verify this through the following addition and subtraction:

8-5=3\\\\\\8+5=13

Therefore, the numbers that are a distance of 5\ units  from  8 on a number line, are:

 3 and 13

7 0
3 years ago
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