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Virty [35]
3 years ago
12

Which linear system of equations does the matrix represent? I think it's B

Mathematics
2 answers:
julsineya [31]3 years ago
8 0
I believed the answer is C.
-3x + 5y =  15
2x + 3y = 10
AleksAgata [21]3 years ago
7 0
-3x+5y=15
2x+3y=-10

third one
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Rearrange x - y + 1 = 0
Deffense [45]

Answer:

y=x+1

or x=y-1

Step-by-step explanation:

5 0
3 years ago
If someone could please help me I’m confused thanks:)
Sedbober [7]
<h3>Answer:  x = 45</h3>

Work Shown:

x+x+90 = 180 .... all three angles of a triangle add to 180

2x+90 = 180

2x = 180-90

2x = 90

x = 90/2

x = 45

This is a 45-45-90 right triangle. We also consider it an isosceles right triangle because the base angles (45) are equal.

3 0
3 years ago
Which shows the following numbers ordered from greatest to least?
melamori03 [73]

Answer:

D You got it right. 65% 5/8 3/5 0.5

4 0
2 years ago
What is a discrete probability​ distribution? What are the two conditions that determine a probability​ distribution? What is a
choli [55]

Answer:

The answers to the question above are given below:

Step-by-step explanation:

Question: What is a discrete probability​ distribution?

<u>Answer</u>

A discrete distribution is very important in data research as it shows in tabular form the probabilities that can be found in a list of distribution values and their individual probabilities in counted data. Usually, from the pool of distribution of numbers, the discrete distribution shows the probability of having countable numbers out of the pool.

<u>Question:</u> Choose the correct answer below. A. A discrete probability distribution exclusively lists probabilities. B. A discrete probability distribution lists each possible value a random variable can​ assume, together with its probability. C. A discrete probability distribution lists each possible value a random variable can assume. D. None of the above

The correct answer is: option B "discrete probability distribution lists each possible value a random variable can​ assume, together with its probability."

Question: What are the two conditions that determine a probability​ distribution?

<u>The correct answer is</u>:

1. Since each value may not be zero, each probability must include between 0 and 1.

2. When probabilities are totaled, it must give 1.

7 0
3 years ago
Find the values of x and y.
babunello [35]

Answer:

x=21°. :Angles subtended by the same arc

y=42°. :180-(117+21),angles subtended by the same arc

8 0
3 years ago
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