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Vikentia [17]
3 years ago
7

How many solutions does the system of equations below have?

Mathematics
2 answers:
BaLLatris [955]3 years ago
6 0

Answer:

C:  none

Step-by-step explanation:

Here we have two separate functions named 'y.'  Eliminate 'y' temporarily by equating these functions together:

x + 2 = y = x - 1

Subtracting x from both sides, we get:

0 + 2 = y = 0 - 1, or

       2 = -1

This is never true, so C is the correct answer:  NO solutions.

An easier way in which to do this problem is to visualize the graphs of

y = x + 2 and y = x - 1.  The graphs are parallel straight lines; they never intersect, and therefore we can conclude "no solution."

galben [10]3 years ago
4 0

Answer:

C

Step-by-step explanation:

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In a survey of students, 1162 stated they cheated and 2468 stated they did not. If one student is randomly selected what is the
liraira [26]

Answer:

n = 1162 +2468 =3630

And the probability that they cheated and we can use the classical definition of probability given by:

p =\frac{successes}{Total}

And replacing we got:

p=\frac{1162}{3630}= 0.320

So then the probability of people cheated is 0.320 or 32% approximately

Step-by-step explanation:

For this problem we know that in a survey of students, 1162 stated they cheated and 2468 stated they did not.

The total of people is given by:

n = 1162 +2468 =3630

And the probability that they cheated and we can use the classical definition of probability given by:

p =\frac{successes}{Total}

And replacing we got:

p=\frac{1162}{3630}= 0.320

So then the probability of people cheated is 0.320 or 32% approximately

8 0
3 years ago
Ahhh please help i don’t understand thissss
gogolik [260]

Answer:

24y^3/x^5

Step-by-step explanation:

Since 6x and 4x are not in a parentheses, they are not being powered by anything. Therefore, those stay on the numerator side.

Anything to the power of something times another to the power of something is always added together. Since -1 + (-4) is -5, x would end up having a power of -5, which would just make it go on the denominator side with just a power of 5.

Same rule with y follows. This would make it 5+ (-2) = 3. Since this is a positive power, it stays at the numerator side.

5 0
3 years ago
81,924+3,827 equals
mixas84 [53]

Answer:

85751

Step-by-step explanation:

81924

+ 3827

_______

 85751


- Start from the right side, 4 + 7 = 11, but the 1 is carried over

- 2 + 2 + 1 = 5

- 9 + 8 = 17, but the 1 is carried over

- 1 + 3 + 1 = 5

- 8 + 0 = 8

Thus, the answer becomes 85751.

6 0
3 years ago
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The question is attached in the picture below. (University level)
Luba_88 [7]

Answer:

nope

Step-by-step explanation:

Apply dot product which must = 0 for orthogonality.

In this case,

-(3)(2) + (-2)(-2) + (-3)(1) + (1)(4) = -1.

4 0
3 years ago
A certain brand of lemonade costs $3.29 for 59.17 fluid ounces. What is the unit rate?
IrinaVladis [17]
The unit rate is approximately 18 i think. Hope it helps :)
5 0
3 years ago
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