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3 years ago

Which word expression represents the algebraic expression shown? 12 – 3x

Mathematics

1 answer:

Misha Larkins [42]3 years ago

3 0

The difference between twelve and three times a number.

Hope this helps! :)

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A towns population went from 25800 to 42600 in 15 years. What was the percent of change

Novay_Z [31]

42600-25800=16800
16800/15=1120
42600*x=100*1120
x=112000/42600=2.62%

4 0

3 years ago

A biologist is studying rainbow trout that live in a certain river and she estimates their mean length to be 529 millimeters. As

vredina [299]

Answer:

See the book it will definitely help you

7 0

3 years ago

równanie zmiany prędkość autokaru poruszającego się po prostym odcinku szosy i rozpoczynającego hamowanie od szybkości 20m/s ma

Rasek [7]

Answer:

s = 22.5 m

Step-by-step explanation:

the equation for the speed change of a coach moving along a straight section of the road and starting braking at a speed of 20 m / s has the form v (t) = 25-5t. Using integral calculus, determine the coach's braking distance.

v (t) = 25 - 5 t

at t = 0 , v = 20 m/s

Let the distance is s.

$s =\int v(t) dt\\\\s =\int (25 - 5t)dt\\\\s= 25 t - 2.5 t^2 \\$

Let at t = t, the v = 20

So,

20 = 25 - 5 t

t = 1 s

So, s = 25 x 1 - 2.5 x 1 = 22.5 m

3 0

2 years ago

What is the perimeter of △GHI?

ZanzabumX [31]

The answer is 27 I believe

5 0

3 years ago

Read 2 more answers

HELP ME PLEASE HELP ME!

alexgriva [62]

The chance of picking a almond cookie the first time:
you have 6 cookies, 3 of them are almond
So the chance of taking an almond cookie is
$\frac{3}{6} = \frac{1}{2}$
The second time there are 5 cookies left, 2 of them are almond cookies
The chance of taking an almond cookie is
$\frac{2}{5}$
To know the probability of picking two almond cookies in a row, multiply the changes:
$\frac{1}{2} \times \frac{2}{5} = \frac{1}{5}$
The chance of taking two almond cookies is 1/5

8 0

3 years ago

Read 2 more answers