3 years ago

Identify the relation that is also a function.

Mathematics

1 answer:

WITCHER [35]3 years ago

6 0

A is not a function, C cannot be a function, D cannot be a function therefore your answer would be B

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Using the variable x, translate the sentence into an equation. Solve the resulting equation.

Nuetrik [128]

4+x=18, the sum would make it an addition problem and x would represent "a number".

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3 years ago

A motorboat takes 5 hours to travel 150 miles going upstream. The return trip takes 3 hours going downstream. What is the rate o

lys-0071 [83]

Answer:

The rate of the boat in still water is 40 miles per hour

The rate of the current is 10 miles per hour

Step-by-step explanation:

we know that

The speed or rate is equal to divide the distance by the time

Let

x ----> the rate of the current (miles per hour)

y ----> the rate of the boat in still water (miles per hour)

we have that

going upstream

$y-x=\frac{150}{5}$

$y-x=30$ ----> equation A

going downstream

$y+x=\frac{150}{3}$

$y+x=50$ ----> equation B

Solve the system of equations by elimination

Adds equation A and equation B

$y-x=30\\y+x=50\\------\\y+y=30+50\\2y=80\\y=40$

Find the value of x

$y+x=50$

$40+x=50$

$x=10$

therefore

The rate of the boat in still water is 40 miles per hour

The rate of the current is 10 miles per hour

8 0

3 years ago

3/9 as a decimal rounded to 3 decimal places

goblinko [34]

3/9 = 0.3333333336 ~ 0.333

8 0

3 years ago

Without using a calculator, match each expression to the correct point. Point Expression

lyudmila [28]

Answer:

Where is the photo?

Step-by-step explanation:

7 0

3 years ago

if one tray can hold 12 loaves of bread and eat your I can hold 10 trays can a hundred twenty-five Loaves fit on one rack

tia_tia [17]

I believe the wording of the question is: If one tray can hold 12 loaves of bread and the rack can hold 10 trays, can a hundred and twenty-five loaves fit on one rack?
Then the answer would be, no.
12 x 10 = 120

6 0

3 years ago

Read 2 more answers