All categories

3 years ago

Find the GCF 12 18 in 84

Mathematics

1 answer:

Archy [21]3 years ago

4 0

Im not sure what the question is, but the gcf of 12 and 18 is 6

You might be interested in

Let f(x) = x^2 – 81. Find f–1(x). Can someone double-check what I have?

Trava [24]

I hope this helps you

y=x^2-81

x^2=y+81

x=square root of y+81

f^-1 (x)= square root of x+81

5 0

3 years ago

Read 2 more answers

An express train travels 80km/h from Ironton to Wildwood. A local train, traveling at 48km/h, takes 2 hours longer for the same

masha68 [24]

Answer:

They are 240 kilometers apart.

Step-by-step explanation:

This question can be solved using the following relation:

$v = \frac{d}{t}$

In which v is the velocity, d is the distance and t is the time.

An express train travels 80km/h from Ironton to Wildwood.

Here we have $v = 80, t = x$ . So

$v = \frac{d}{t}$

$80 = \frac{d}{x}$

$d = 80x$

A local train, traveling at 48km/h, takes 2 hours longer for the same trip.

This means that when $v = 48, t = x + 2[tex]. So[tex]v = \frac{d}{t}$

$48 = \frac{d}{x+2}$

Since $d = 80x$

$48 = \frac{80x}{x+2}$

Applying cross multiplication

$80x = 48(x + 2)$

$80x = 48x + 96$

$32x = 96$

$x = \frac{96}{32}$

$x = 3$

So the distance is:

$d = 80x = 80*3 = 240$

They are 240 kilometers apart.

3 0

2 years ago

Need help ASAP ? 3/4×20

In-s [12.5K]

3/4 x 20

3/4 x 20/1

3 x 20 = 60

4 x 1 = 4

60 / 4 = 15

8 0

3 years ago

Read 2 more answers

Did I do it right or is it wrong ?

Shkiper50 [21]

Answer:

Hope this helps. Mark as brainliest please!

Step-by-step explanation:

10-3^3/9

10-27/9

10-3

8 0

3 years ago

What is the solution of 3x+9<15

Zolol [24]

Answer:

Third one

Step-by-step explanation:

Two things to solve 3x+9 <= 15

3x <= 6

x <= 2

and - (3x+ 9) <= 15

- 3x - 9 <= 15

- 3x <= 24

3x >= -24

x > = - 8

s o -8 <= x <= 2

3 0

1 year ago