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den301095 [7]
3 years ago
12

Which relation is a function?

Mathematics
2 answers:
Mila [183]3 years ago
8 0

Answer: see below

Step-by-step explanation:

Vertical line test determines which graph is a function.

The graph should pass the vertical line only once if it’s a function.

So we can see that it is the left V-shaped graph.

For detailed, step-by-step explanations you can visit my fiverr account: kesja_

I provide detailed explanations for math questions for as little as $1!

Fofino [41]3 years ago
6 0

Answer:

C

Step-by-step explanation:

C is a function.  Note that the graph passes the vertical line test:  a vertical line intersects the graph in no more than one place.

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Answer fast! I will give brainiest
RideAnS [48]

Answer:

x= -5, 2

Step-by-step explanation:

5x=3x-10. 4x=2x+4

5x-3x= -10. 4x-2x=4

2x= -10. 2x=4

x= -5. x=2

5 0
3 years ago
Help!!!!!!!!!!!! &gt;&gt;&gt;&gt;&gt;Which number set contains all rational<br> numbers?
stellarik [79]

The only set that only has rational numbers is the first one:

{1/3, -3.45, √9}

<h3>Which of the given sets contains only rational numbers?</h3>

A rational number is a number that can be written as the quotient of two integers.

If we look at the first set, the elements are:

  • 1/3 which is a rational number.
  • -3.45 = -345/100 which is a rational number
  • √9 = 3 = 3/1 which is a rational number.

In the other sets we can see elements like:

√37, √44, or √2 which are all irrational numbers, then the only correct option is the first one.

If you want to learn more about rational numbers:

brainly.com/question/12088221

#SPJ1

6 0
2 years ago
central angle of a sector is 72° and the sector has an area of 16.2(pie) ft^2. what is the radius of the circle?
Cloud [144]
Sector area = (central angle / 360) * PI * radius^2
sector area = (72 / 360) * PI * radius^2
radius^2 = sector area / [(72 / 360) * PI]
radius^2 = 16.2 * PI / [(1 / 5) * PI]
radius^2 = 16.2 / .2
radius^2 = 81
radius = 9

Source:
http://www.1728.org/radians.htm



6 0
4 years ago
a chef uses 4 3/4 cups of broth for 10 servings of soup. How much broth is used in one serving of soup?
mafiozo [28]
Set up a proportion. 4 3/4 cup broth is to 10 servings as x cups broth is to 1 serving soup.

x= amount of broth in one serving

(4 3/4)/10= x/1
cross multiply

(4 3/4)(1)= 10x
convert 4 3/4 to improper fraction

(19/4)(1)= 10x

19/4= 10x
divide both sides by 10

19/4 ÷ 10= x
to divide fractions, multiply by reciprocal of 10

19/4 * 1/10= x
multiply numerators; multiply denominators

(19*1)/(4*10)= x

19/40 cup= x


ANSWER: 19/40 cup in one serving

Hope this helps! :)
4 0
3 years ago
Use substitution to solve this problem<br>a=5, b=2<br>5a - b = ‽<br>​
Rom4ik [11]
Plug the numbers into the equation

5(5) - 2 = ?

25 -2 = 23

23
3 0
3 years ago
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