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tatyana61 [14]
4 years ago
7

Which system of equations is equivalent to the system of equations shown?

Mathematics
1 answer:
Ivanshal [37]4 years ago
4 0
<span>I can solve for x and y
A) 2x - 4y = 12
A) 2x = 4y + 12
A) x = 2y + 6
Substituting into B
B) 3* (2y +6)  - 5y = 20
B) 6y + 18 -5y = 20
B) y = 2
B) x = 10


</span>
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A casino claims that its electronic "video roulette" machine is truly random. What should that claim mean?
viva [34]
This should mean that the machine will have a chance of choosing every number likely
4 0
4 years ago
What is the rule for the following geometric sequence? 64, -128, 256, -512...
Elena-2011 [213]

Answer:

The previous number keeps getting multiplied by - 2

Step-by-step explanation:

64 ×-2 = -128

-128 × -2 = 256

256 × -2 = -512

7 0
3 years ago
Please hurry i need these fast
ExtremeBDS [4]

Answer:

95

Step-by-step explanation:

you first find out the angles mn and mt.

Since ns and ms are the same, we know ms is 35 degrees.

mt is 50, so we subtract 50 and 35 from 180, which is the degree of m.

so the answer is 95 degrees.

5 0
4 years ago
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The ordered pairs (1,3) (2,6) (3,9) (4,12) and (5,15) represent a function. What is a rule that represents this function?
algol [13]

AMSWER

C y=3x

EXPLANATION

The given ordered pairs are

(1,3) (2,6) (3,9) (4,12) and (5,15)

There is a constant difference in the y-values.

d=15-12=3

Let the rule that represent the function be

y=dx +c

When we substitute

d=3, we get;

y = 3x + c

We put x=1 and y=3 to obtain,

3 = 3(1) + c

c = 3 - 3 = 0

The rule is

y = 3x

7 0
3 years ago
What is 82% of 525?<br> Show work
True [87]

Answer:

430.5

Step-by-step explanation:

1. We assume, that the number 525 is 100% - because it's the output value of the task.  

2. We assume, that x is the value we are looking for.  

3. If 525 is 100%, so we can write it down as 525=100%.  

4. We know, that x is 82% of the output value, so we can write it down as x=82%.  

5. Now we have two simple equations:

1) 525=100%

2) x=82%

where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:

525/x=100%/82%

6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 82% of 525

525/x=100/82

(525/x)*x=(100/82)*x       - we multiply both sides of the equation by x

525=1.219512195122*x       - we divide both sides of the equation by (1.219512195122) to get x

525/1.219512195122=x  

430.5=x  

x=430.5

now we have:  

82% of 525=430.5

5 0
3 years ago
Read 2 more answers
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