How do you find domain and range in this problem (sorry for image being cropped)

Mathematics

1 answer:

s344n2d4d5 [400]3 years ago

7 0

I don't know what the graph is counting by but here is an explanation:

Domain: (x value furthest left) ≤ x ≤ (x value furthest right)

Range: (y value furthest up) ≤ y ≤ (y value furthest down)

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My new Labrador puppy weighs 3 pounds more than 0.25 of his mom's weight His mom weighs 60 pounds what is kaiser weight?

Delicious77 [7]

Ok, first you have to know that 0.25 is one fourth. Finding one fourth of 60 is the first step. 1/4 of 60 is 15. Now, add 3 to 15, and you have your answer! The answer is 18 pounds.

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3 years ago

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Among 420 randomly selected employees at a company, the mean number of hours of overtime worked per month is 10 hours and the st

olganol [36]

To solve for the margin of error:

margin of error = critical value x standard error

To compute for the critical value:
1. compute alpha: α= 1 - (confidence level/100) = 1 - .99 = 0.01
2. Find the critical probability: p = 1 - α/2 = 1 - (0.01/2) = 0.995
3. Look for the z score at the z table, in this case it is 2.58. This is your critical value.

To compute for the standard error, the formula is:
standard error = standard deviation (σ) divided by √n = 1.6 / √420 = 0.0781

Now plug in the following in the formula:

margin of error: 2.58 * 0.0781 = 0.2014 or 0.20

The answer is letter C.

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3 years ago

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An integer is chosen at random from first hundred natural numbers. The probability that the integer chosen the multiple of 5 is

Ede4ka [16]

Answer: 0.2

Step-by-step explanation:

The first hundred natural numbers are 1 to 100.

Now, the numbers that are multiples of 5 are the numbers that end in 5 or 0, so we have:

5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100

So in the range, we have 20 multiples of 5.

Now, when we select at random, each number has the same probability of being selected, then the probability of randomly selecting a multiple of 5 is equal to the number of multiples of 5 divided the total number of options in the set.

we have 20 multiples of 5, and in the set we have a total of 100 numbers, then the probability is:

P = 20/100 = 0.2

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3 years ago

HOW DO YOU DO THIS????????

Nostrana [21]

The rational root theorem tells you all roots are of the form
±(factor of 2)/(factor of 3)
We know one of the roots is -1 and all roots are negative, so the remaining roots must be of the form
-(factor of 2)/(factor of 3)
which is to say, two of
-1/3, -2/3, -1, -2
Since the roots are distinct, they must be -2 and -1/3. Then the factorization of the given polynomial is
(x +1)(x +2)(3x +1)
which multiplies out to be
3x³ +10x² +9x +2

a = 10
b = 9

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3 years ago

Count by tens and ones to find the sum 36+28

Lena [83]

It's 64 because 38 plus 28 gives you 64

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3 years ago

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How do you find domain and range in this problem (sorry for image being cropped)​

How do you find domain and range in this problem (sorry for image being cropped)