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galina1969 [7]
2 years ago
14

Choose the number sentence whose product is 2.015.

Mathematics
2 answers:
Mariulka [41]2 years ago
8 0
I’m not too sure. Sorry
Dmitrij [34]2 years ago
7 0
I took test seems to be correct and fine thanks good luck
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System of equations graphed below had How many equations?
Dominik [7]

Answer:

<h2>A. 0</h2>

Step-by-step explanation:

The solution of the system of equations are the coordinates of the point of intersection.

We have two parallel lines. The intersection point does not exist.

Therefore, this system of equations has no solution.

3 0
3 years ago
Please help! i have no clue if it's equivalent :(
tensa zangetsu [6.8K]

Answer:

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

y+2=y+2

Step 2: Subtract y from both sides.

y+2−y=y+2−y

2=2

Step 3: Subtract 2 from both sides.

2−2=2−2

0=0

Answer:

All real numbers are solutions.

4 0
3 years ago
Read 2 more answers
Which of the following are characteristics of the graph of the square root
alekssr [168]

Choices A and B have typos in them, so its not clear what you're trying to say for those parts. However, the domain of y = \sqrt{x} is x \ge 0 meaning that x can be 0 or larger. In other words, we can't have x be negative. Similarly, y is the same story because y = \sqrt{x} has the inverse y = x^2, but only when x \ge 0, so therefore y \ge 0 as well. In short you can say both x and y are nonnegative.

To summarize so far, the domain is x \ge 0 and the range is y \ge 0

Since x = 0 and y = 0 are the smallest x and y values possible, this means (x,y) = (0,0) is the left-most point or where the graph starts. This is the origin. Choice C is a true statement.

Choice D on the other hand is <u>not</u> a true statement. Graph out y = \sqrt{x} and you'll see that a straight line does not form, but instead a nonlinear curve that grows forever. That growth gradually diminishes as x gets larger. Algebraically you can pick three points from the function and show that the slopes are different. Say the three points are P, Q and R. If you can show that slope of PQ does not equal slope of QR, then the function is not linear.

5 0
3 years ago
A fair four-sided die has two faces numbered 0 and two faces numbered 2. Another fair four-sided die has its faces numbered 0, 1
Mandarinka [93]

The two dice have PMFs

P(X=x)=\begin{cases}\dfrac12&\text{for }x\in\{0,2\}\\\\0&\text{otherwise}\end{cases}

P(Y=y)=\begin{cases}\dfrac14&\text{for }y\in\{0,1,4,5\}\\\\0&\text{otherwise}\end{cases}

The sum of the two rolls can take on 8 different values:

W=\begin{cases}0&\text{if }x=0,y=0\\1&\text{if }x=0,y=1\\2&\text{if }x=2,y=0\\3&\text{if }x=2,y=1\\4&\text{if }x=0,y=4\\5&\text{if }x=0,y=5\\6&\text{if }x=2,y=4\\7&\text{if }x=2,y=5\end{cases}

The outcome of either roll is independent of the other, so that

P(X=x\text{ and }Y=y)=P(X=x)P(Y=y)

a. Then PMF of W is

P(W=w)=\begin{cases}\dfrac12\cdot\dfrac14=\dfrac18&\text{for }w\in\{0,1,2,3,4,5,6,7\}\\\\0&\text{otherwise}\end{cases}

b. The histogram is nothing special, same as the discrete uniform distribution over the interval [0, 7].

3 0
4 years ago
Which one is the correct answer?
xxMikexx [17]

Answer:

Step-by-step explanation: IDK

3 0
4 years ago
Read 2 more answers
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