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gizmo_the_mogwai [7]
3 years ago
11

Jason remembers nine digits of a ten digit phone number. He remembers that the last digit is an even number. If he guesses that

last digit, what is the probability that he dials the correct number?
Mathematics
1 answer:
gulaghasi [49]3 years ago
7 0
He already knows 9 so that's out of the way. Now we have to figure out the last digit. What could it be? 0,1,2,3,4,5,6,7,8,9, or 0. The number of possibilities is the denominator and the number of times he tries is the numerator.
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Which of these statements best describes the relation shown in Item 1?
Misha Larkins [42]

Answer:

It is a many-to-one relation

Step-by-step explanation:

Given

See attachment for relation

Required

What type of function is it?

The relation can be represented as:

\left[\begin{array}{c}x\\ \\-5\\-2\\1\\5\end{array}\right]         \left[\begin{array}{c}y\\ \\10\\11\\4\\10\end{array}\right]

Where

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In function and relations, when two different values in the domain point to the same value in the range implies that, <em>the relation is many to one.</em>

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3 years ago
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2 years ago
Find the missing side lengths. Leave your answers in simplest radical form.
saveliy_v [14]
ANSWER:
d. x = 15, y= 15√3

EXPLANATION:
This is a special triangle, more specifically a 30-60-90 degree triangle. For sake of not confusing x and y, we will use z to use as our reference for solving this triangle. The side lengths for each angle are as follows:
• 60 degrees = z√3
- this is the value for your y answer
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• Hypotenuse = 2z
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We solve for what we already have which is the Hypotenuse = 30:
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We now have our x value which is 15.
Now we just plug in that x value for every expression for every angle.

x = 15
y = 15√3

Sorry if I explained it too thoroughly but I’ll be glad to answer any questions or clarifications



8 0
2 years ago
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