Which one of the following piecewise graphs is not a function?

Answers

Answer 1

Answer: The first graph is not a function because it has two values at x = 3
Definition of a function is that it is a relation that assigns exactly one value for each value in it's domain.

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Concrete is a mixture of cement, sand, and gravel. The Masons will purchase a cement, sand, and gravel mixture in a ratio of 1:2:3. How many pounds of each material are needed for 60 lb of concrete mix?
What is half the sum of a number and sum
Part 1: Create your own real world Pythagorean theorem problem. Write an equation you could use to find the length of the missing side of your right triangle. Then find the missing length. Show all your work. Round to the nearest tenth if necessary.And write a summary sentencePart 2: Draw a visual to represent your real world problem
What is the value of 6 in 3.567
Theo buys 5 packages of paper there are 500 sheets of paper in each package how many sheets of paper did theo buy????????

To find the area of a rectangle or a square you need to multiply the length and the width of a rectangle or a square. There are different units for perimeter and area The perimeter has the same units as the length of the sides of rectangle or square whereas the area's unit is squared.

Answers

Every word of that is correct, and well stated.
Do you have a question to ask about it ?

Is this supposed to be a question because it looks like a correct statement

What is equivelint in ratio

Answers

a equivelint ratio is when u can multi or divide by both sides

there are 104 students in the fourth grade at Allisons school. one day 15 4th graders were absent how many 4th graders were at school that day

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Final answer:

To find the number of 4th graders at school on a day when 15 were absent, subtract the number of absent students from the total number of students. In this case, the answer is 89.

Explanation:

In Allison's school, there are 104 students in the fourth grade. One day, 15 fourth graders were absent. To find out how many fourth graders were at school that day, you would subtract the number of absentees from the total number of students:

Step 1: Start with the total number of students, which is 104.

Step 2: Subtract the number of absent students, which is 15.

The calculation should look like this: 104 - 15 = 89. So, there were 89 fourth graders at school that day.

To find the number of 4th graders at school on the day 15 were absent, subtract the number of absent students from the total number of students. In this case, there are 104 students in the 4th grade and 15 were absent, so the number of students at school that day is 104 - 15 = 89.

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Your dog is 16 years old in dog years. Your cat is 28 years old in cat years. For every human year, your dog ages by 7 dog years and your cat ages by 4 cat years. In how many human years will both pets be the same age in their respective types of years?

Answers

This question is based on the concept of graphical method. Therefore, In 4 years, human years will both pets be the same age in their respective types of years.

Given:

Your dog is 16 years old in dog years.

Your cat is 28 years old in cat years.

For every human year, your dog ages by 7 dog years and your cat ages by 4 cat years.

Let x be the no. of human yrs.

We have to find x such that age is same for dog and cat in their respective year i.e.

16 + 7x = 28 + 4x

Write above equation as follows and solve it graphically,

y = 16 + 7x

y = 28 + 4x

From the graph, it is observe that. Attachment is below.

Point of intersection is (4, 44). Thus, solution of equation is x =4.

Now put the value x = 4 in equation 16 + 7x = 28 + 4x.

We get,

16 + 7(4) = 28 + 4(4)

44 = 44

Therefore, In 4 years, human years will both pets be the same age in their respective types of years.

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Which of the following could be the ratio of the length of the longer leg of a 30-60-90 triangle to the length of its hypotenuse? Check all that apply

Answers

The ratio of the longer leg to the hypotenuse of a 30-60-90 triangle is option √3 : 2.

How did we arrive at the value?

In a 30-60-90 triangle, the longer leg is opposite the 60-degree angle and the hypotenuse is opposite the 90-degree angle.

Make x the length of the shorter leg, then the longer leg is x√3 and the hypotenuse is 2x.

So the ratio of the longer leg to the hypotenuse is:

x√3 : 2x

Simplifying, we get:

√3 : 2

Therefore, the ratio of the longer leg to the hypotenuse of a 30-60-90 triangle is √3 : 2.

So the correct answer is (A).

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Mr Elvis divided his money in the ratio 2:6 between Eric and Shan Eric got the smaller amount of 240 dollars. how much did Shan get?

Answers

He divided his money in a 2:6 ratio and Eric got the smaller amount.
First you have to add 2+6 and you get 8
so the total is 8
Next find out what fraction is 2 over 8
2/8=1/4
so, 1/4 is $240
so now take away 1/4 from 4/4 and you get 3/4
To find how much money Shane got you multiply the quantity given by the reciprocal of the fraction---------- 240/1*4/1
Your answer is $960
So 3/4 or Shane's amount is $960