2 years ago

Is this a function. ?

Mathematics

2 answers:

lisabon 2012 [21]2 years ago

8 0

Answer:

Yes

Step-by-step explanation:

A function is a relation where each input has only one output

The table shown follows this, each input has only one output, therefore it is a function.

VLD [36.1K]2 years ago

4 0

No because 1 has 2 Y’s (15 and 20)

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suppose y varies directly with x and y=5 when x=20. Write a direct variation equation then find the value of x when y=3/2

jek_recluse [69]

X=k*Y
K*Y=X
K=X/Y
K=20/5
K=4

For Y=3/2
X=k*3/2
X=4*3/2
X=6

6 0

3 years ago

By hiring 45 new employees, a department store increased its help by 18% during the Christmas season. How many employees did the

bagirrra123 [75]

Hi!

We can set up a proportion then cross multiply to solve this.

$\frac{45}{x} \frac{18}{100}$

45 x 100 = 4500
4500/18 = 250

The answer is 250

Hope this helps! :)

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3 years ago

12.

kondaur [170]

Answer:

70kilometers

Step-by-step explanation:

first we must find how much one half of a centimeter is

well, its easy, theres already a half for the distance, and the representation is an even number, so cut it in half.

20-10 is 10

and now the multiplication

20x3=60

60+10=70

70 kilometers

3 0

2 years ago

The graph shows the height of a plant over a 2-month growth period. Calculate the rate of change per day.

Mkey [24]

Answer:

14/61 cm per day

Step-by-step explanation:

Use the slope formula $\frac{y_{2} - y_{1}}{x_{2} - x_{1}}$

Plug it in $\frac{16-2}{61-0}$

Simplify $\frac{14}{61}$

3 0

3 years ago

A rectangular painting's width is 6 less than twice its length.

atroni [7]

Answer: Paintings length is 16, width is 26, area is 416 square inches.

7 0

3 years ago