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Norma-Jean [14]
2 years ago
13

Alex conducted an experiment with a spinner. He recorded the frequency of each spin landing on letters A through D. Based on the

data in the table, what is the experiment probability that the next spin will land on the letter B ?

Mathematics
1 answer:
satela [25.4K]2 years ago
3 0
It’s 1/4 because there are only 4 options

For example you reach into a bag of 10 marbles 4 are blue and 6 are red what is the probability of getting a blue marble? Easy 4/10 cause there’s only 4
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viktelen [127]

Answer:

Are 480/40 and 300/25 proportional? Cross products 48025 = 1200 and 300400 = 1200, so their salaries are proportional.

So in conclusion the answer is true.

Step-by-step explanation:

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2 years ago
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Triangles angles from largest to smallest
Nonamiya [84]

Answer:

O is largest, C is medium, and T is smallest

Step-by-step explanation:

You need to pay close attention to the side length. The higher the length, the smaller the angle.

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7 0
2 years ago
List all of the integer values of x that are part of the solution set for the following inequality: -7 is less than x which is l
GenaCL600 [577]
Your answer is

-5
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3 years ago
Without graphing, is each system independent, dependent, or inconsistent? { -x-3y=0 x-y=4
Kryger [21]
Since we can find a solution for this system of equations we can affirm this is an independent system with solution equal to (x,y) = (3,-1)

* If we graph a dependent system in the slope - intercept form, we can see that the graphs of each one are identical to each (beacuse we are representing the same line).

*An inconsistent system occurs when the equations have the same slope, but different values of intersection with the Y axis.
5 0
3 years ago
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Prove that.....cos^2α(cosec^2α-cot^2α)=cos^2α​
Dafna1 [17]

Step-by-step explanation:

We must prove that

cos²a(csc²a-cot²a) = cos²a

If we look at both sides, we can see that we have cos²a * something = cos²a. Therefore, if we can get that something to equal 1, we have our proof. In this case, that something is csc²a-cot²a. Using this information, we can work from within the parenthesis and go from there.

We can start by expanding the items in the parenthesis. Taking that csc(x) = 1/sin(x) and cot(a) = cos(x)/sin(x), we can say that

cos²a(csc²a-cot²a) = cos²a(1/sin²a - cos²a/sin²a). Because both items in the parenthesis have a denominator of sin²a, we can subtract cos²a from 1 to get

cos²a(1/sin²a - cos²a/sin²a)= cos²a((1-cos²a)/sin²a))

Next, we know that cos²a+sin²a=1, so 1-cos²a = sin²a. Plugging that in, we get

cos²a((1-cos²a)/sin²a)) = cos²a(sin²a/sin²a)

= cos²a(1)

= cos²a

4 0
2 years ago
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