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mixas84 [53]
3 years ago
8

6) Does the mapping diagram show a function?

Mathematics
1 answer:
Serhud [2]3 years ago
4 0

Answer:

No, you cannot have the same input for 2 different outputs

Step-by-step explanation:

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Melanie has a $60 so far to buy a lawn mower. This is 20% of the price of the lawn mower. What is the full price of the lawn mow
andreev551 [17]
--Percent means out of 100, so 20% = 20/100

The prob in other words is asking
  --  $60 is 20% of what number?

'$60'   --          --->  60
'is'       --          --->  =
20%    --         ---> 20/100
'of'     --            ---> * (multiply)
'what number'  ---> x  (variable)
4 0
3 years ago
A Japanese bullet train travels 558 miles per 3 hours A. What is the rate B. How far does the train travel in 1 hour WHO EVER A
Delicious77 [7]

Answer:

Step-by-step explanation:

Remark

The rate is going to be the same as the distance travelled in 1 hour. The units will be different.

Formula

d = r * t

Givens

d = 558 miles

t = 3 hours

Problem A

r = d / t

r = 558/ 3 = 186 miles / hr

Problem B

Givens

r = 186 miles / hour

t = 1 hour

d = ?

Solution

d = 186 mi/hr * 1 hr

d = 186 miles

<u>Note</u>

This looks really trivial, but it's not. You have to learn to see the difference between a number and its units. It's not very often that the numbers will be the same, but if the units differ, then it is an entirely different question.

7 0
3 years ago
1. a motor car race is 500 miles long and consists of completing laps of a circular speedway
Zarrin [17]

The function y = 2.5x + 500 represents the total number of miles if the motor car race is 500 miles long, option (d) is correct.

<h3>What is a function?</h3>

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

We have:

y represents the number of miles a motor car has left to go in the race

x represents the number of laps completed by the motor car

The total number of miles if we consider only circular speedways = 2.5x

The total number of miles:

y = 2.5x + 500  (because 500 is the constant)

Thus, the function y = 2.5x + 500 represents the total number of miles if the motor car race is 500 miles long option (d) is correct.

Learn more about the function here:

brainly.com/question/5245372

#SPJ1

7 0
2 years ago
Find the area of the shaded region.
satela [25.4K]

Answer:

16

Step-by-step explanation:

area of big triangle is 36

area of small triangle is 20

area of shaded is 36 - 20=16

4 0
3 years ago
Can someone solve -5x +2y=10
marta [7]

Answer:

x=\frac{2}{5}y-2

Step-by-step explanation:

-5x+2y=10\\-5x+2y-2y=10-2y\\-5x=2y-10\\\frac{-5x}{-5}=\frac{2y-10}{5}\\ x=\frac{2}{5}y-2

6 0
3 years ago
Read 2 more answers
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