Find the range of {(3.2, –3), (7.6, 5.9), (1.4, –3), (–9.1, 8.3)}.

Answers

Answer 1

Answer:

Answer: The range is the output of our data, in standard notation represented as (x,y) where x is the input and y the output.

So the values of x are the domain, and the values of y are the range.

The set you give is : {(3.2, –3), (7.6, 5.9), (1.4, –3), (–9.1, 8.3)}

You can see that the range is : {-3, 5.9, 8.3}

Notice that in the set, the point y = -3 appears two times (in different pairs), but in the range only one, because you cant repeat the same value in one set.

Answer 2

Answer: range is output or y
(x,y)
the range is the 2nd number
when it repeats, don't list again
range=-3,5.9,8.3

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. John Gray bought a basic car for $8,250.00, with options that cost $324.00. There's a 6% sales tax inhis state and a combined $50.00 license and registration fee. What was John's total cost?
A. $9,141.44
B. $14,247.00
C. $9,138.44
D. $10,000.00

Answers

Cost of basic car = $8250
Optional cost = $324
Total cost of basic car and optional items for John= (8250 + 324) dollars
      = 8574 dollars
Then
Percentage of sales tax = 6%
Amount of sales tax = 8574 * (6/100) dollars
   = 514.44 dollars
License and registration fee combined = $50
Then total cost of John in regards to buying the car = 8574 + 514.44 + 50
      = 9138.44 dollars
So option "C" is the correct option in regards to the question given.

Candy is on sale for $0.75 each. you have a coupon for $0.25 off your total purchase. Write a function rule for the cost of n pieces of candy. A. C(n)0.25n-0.75
B. C(n)=0.75n-0.25
C. C(n)=1.0n
D. C(n)=0.75n

Answers

Answer:

B. C(n)=0.75n-0.25

Step-by-step explanation:

Given : Cost of one candy = $0.75

There is a coupon of $0.25 off on total purchase .

To Find : Write a function rule for the cost of n pieces of candy.

Solution :

Since we are given that total candies bought = n

Cost of one candy = $0.75

Cost of n candy = $0.75n

So, cost of total purchase = $0.75n

Since on total purchase there is a off of $0.25

So, cost of total purchase after off will be $0.75n -$0.25

⇒C(n)= 0.75n-0.25

Where C(n) denotes the total cost after getting off

Hence Option B is correct.

A function rule for the cost of n pieces of candy is C(n)= 0.75n-0.25

Required function rule is C(n) = 0.75n - 0.25

A carpenter uses the equation y = 3.75x to determine how many hours (y) it will take him to build a desk (x). The carpenter built 5 desks. How long did it take him?

Answers

y = 3.75x...he built 5 desks...so x = 5
y = 3.75(5)
y = 18.75 hrs

Answer:

18.45

Step-by-step explanation:

There are 45 children in a class. if 9 of them are absent, what percentage of the class is present?

Answers

9/45 = 1/5 = 0.2 = 20%

The answer is 20%

Help asap please!Add 4p^2+6 / 4p^2 + 2p-2 / 10p

Which statements are true about adding the rational expressions? Check all that apply

The least common denominator is 20p
.
The first fraction rewritten with the LCD is 20p^2+30 / 20p^2

The second fraction rewritten with the LCD is 4p - 4 / 20p

The sum is 24p^2-,4p+30 / 20p^2 = 12p-2p+15 / 10p^2

The sum is a rational expression.

Answers

I have to rewrite the expressions because they look very confusing.

1) The given fractions to add are:

4p² + 6        2p - 2
------------ + ------------
     4p²             10p²

2) The statements to asses are:

A) The least common denominator is 20p
.
B) The first fraction rewritten with the LCD is (20p² +30) / 20p²

C) The second fraction rewritten with the LCD is (4p - 4) / 20p

D) The sum is (24p² -4p +30 ) / 20p² = (12p-2p+15) / 10p^2

E) The sum is a rational expression.

This is the result for each statement.

A) The least common denominator is 20p

FALSE: THE LCD IS 20p², because it the least expression that contains all the prime factors of both denominators: 4p² and 10p.

See that you cannot divide 20p by 4p² but you can divide 20p² by 4p² and 10 p. So, 20p is not a common denominator.
.
B) The first fraction rewritten with the LCD is (20p² +30) / 20p²

TRUE: you get this expression from the first fraction by multiplying both numerator and denominator by 20p² / 4p² = 5:

(4p² + 6)×5 = 20p² + 30

(4p²)×5 = 20p²

=>

20p² + 30
--------------
      20p²

C) The second fraction rewritten with the LCD is (4p - 4) / 20p

FALSE: you have to multiply both numerator an denominator by 20p² / 10p = 2p

(2p - 2) × 2p = 4p² - 4p

10p × 2p = 20p²

So, the second fraction rewritten with the LCD is:

4p² - 4p
-----------
    20p²

D) The sum is (24p² - 4p +30 ) / 20p² = (12p-2p+15) / 10p²

TRUE

20p² + 30        4p² - 4p         24p² - 4p + 30
-------------- +   --------------- = ----------------------
      20p²              20p²                    20p²

And when you simplify the last fraction dividing by 2 you get:

12p² - 2p + 15
-----------------------
          10p²

E) The sum is a rational expression.

TRUE:

The sum of rational number has the closure property which means that by adding rational expression you will always ge a rational expression.

the 2nd, 4th, and 5th statements are correct. Let me know if you have questions on how to do the problem..

The radius of a circle is 17 inches . What is the circumference? Use 3.14 for pi!

Answers

Answer:

53.38

Step-by-step explanation:

Final answer:

The circumference of a circle with a radius of 17 inches can be calculated using the formula C=2πr. Substituting these values into the formula gives a circumference of approximately 106.76 inches.

Explanation:

The question is asking about the circumference of a circle, given its radius. The formula to find the circumference of a circle is C=2πr, where C is the circumference, π (pi) is a mathematical constant approximately equal to 3.14, and r is the radius of the circle.

In this case, the radius of the circle (r) is 17 inches. Substituting these values into the formula, we get:

C = 2 * 3.14 * 17 = 106.76 inches

So, "the circumference of the circle is approximately 106.76 inches".

Learn more about Circumference of a Circle here:

brainly.com/question/26605972

#SPJ2

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Juan Ramirez sells suits in a major department store on weekends. He earns a commission of 5% on the first 10 suits he sells. If he sells more than 10, he earns another 3% on the additional suits. Last weekend Juan sold 13 suits priced at $250 each. What was his commission?