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2 years ago

The rule is: y=|x|. mark all of these points (x,y) on a coordinate grid.

Mathematics

1 answer:

Mkey [24]2 years ago

3 0

Answer:

see attached image

Step-by-step explanation:

One way to get a sense of the graph is to pick integers and make a table of function values.

x = -3 y = |-3| = 3 Point (-3, 3)
x = -2 y = |-2| = 2 (-2, 2)
x = -1 y = |-1| = 1 (-1, 1)
x = 0 y = |0| = 0 (0, 0)
x = 1 y = |1| = 1 (1, 1)
x = 2 y = |2| = 2 (2, 2)

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The access code for a garage door consists of three digits. Each digit can be any number from 1 through 5, and each digit can b

Papessa [141]

Answer:

(a) 125

$(b) \dfrac{1}{125}$

$(c) \dfrac{124}{125}$

Step-by-step explanation:

We are given that access code consists of 3 digits.

Each digit can be any digit through 1 to 5 and can be repeated.

Now, this problem is equivalent to the problem that we have to find:

The number of 3 digit numbers that can be formed using the digits 1 to 5 with repetition allowed.

(a) We have 3 places here, unit's, ten's and hundred's places respectively and each of the 3 places have 5 possibilities (any digit allowed with repetition).

So, total number of access codes possible:

$5\times 5 \times 5 = 125$

(b) Suppose, an access code is randomly selected, what is the probability that it will be correct.

Formula for probability of an event E can be observed as:

$P(E) = \dfrac{\text{Number of favorable cases}}{\text {Total number of cases}}$

Here, only 1 code is correct, so

Number of favorable cases = 1

Total number of cases = 125

So, required probability:

$P(E) = \dfrac{1}{125}$

$P(\overline E) = 1-P(E)\\\Rightarrow P(\overline E) = 1-\dfrac{1}{125}\\\Rightarrow P(\overline E) = \dfrac{125-1}{125}\\\Rightarrow P(\overline E) = \dfrac{124}{125}$

So, the answers are:

(a) 125

$(b) \dfrac{1}{125}$

$(c) \dfrac{124}{125}$

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3 years ago

I WILL GIVE BRAINLIEST Solve for x Answer must be simplified -4 + x ≤ 9

nydimaria [60]

Answer:

x ≤ 13

Step-by-step explanation:

-4 + x ≤ 9

-4 -4

x ≤ 13

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3 years ago

HELPPP . sorry for cracked. screen.. Identify w as either rational or irrational

Evgesh-ka [11]

Answer:

Irrational: √2 = 1.4

Step-by-step explanation:

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3 years ago

Which number is rational?

disa [49]

Answer:

I think it's A.

hope this helps

have a good day :)

Step-by-step explanation:

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3 years ago

Read 2 more answers

Please. I need help answering these questions

Goryan [66]

If you're struggling with graphing problems, I'd highly recommend that you check out Desmos and Mathaway. All you have to do is type the equations and it graphs it for you. Here's the first question:

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3 years ago