All categories

3 years ago

Substances that are made of just one kind of atom are ____ .

Mathematics

1 answer:

makvit [3.9K]3 years ago

5 0

Elements, they’re a pure substance and can’t be broken down into simpler substances.

You might be interested in

Patrick picked two numbers. The first number has 7 hundreds, 0 tens, and 0 ones. The second number has 2 fewer hundreds than the

pshichka [43]

Answer:

500 and 700

Step-by-step explanation:

It says '7 hundreds' referring to 700. and it then say the second number has 2 fewer, two fewer hundreds is 200. so the two numbers are 500 and 700.

8 0

3 years ago

The dimensions are <br> 60ft length<br> 6ft high<br> 45ft wide

cestrela7 [59]

First multiply 60 x 6 x 45 = 16,200
Then divide, 16,200/350=46.2857

7 0

3 years ago

what is an equation of the line that passes through the point (5,5) and is perpendicular to the line whose equation is y=5/9x-4

bearhunter [10]

The anwser y=-9/5x + 14

4 0

3 years ago

Blank% of 50 shirts is 35 shirts

Alex787 [66]

Answer: 70%

Step-by-step explanation:

A percentage is a way of writing a fraction, but with a denominator of

100

Asking the question a different way makes it easier to understand.

What percent is

shirts out of

This indicates that there is a fraction.

Make the denominator

100

Or to make a percent:

fraction

100

7 0

2 years ago

The coordinates of parallelogram UVWZ are U(a, 0), W(c - a, b), and Z(c, 0). Find the coordinates of V without using any new var

UkoKoshka [18]

Check the picture below.

so, as you can see, the UV segment is parallel to ZW, and therefore, they're the same slope, hmmm wait just a second, what is the slope of ZW anyway?

$\bf \begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
% (a,b)
&Z&(~ c &,& 0~) 
% (c,d)
&W&(~ c-a &,& b~)
\end{array}
\\\\\\
% slope = m
slope = m\implies 
\cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{b-0}{(c-a)-c}\implies \cfrac{b}{-a}$

since now we know the ZW slope, we also know what is the slope for UV, thus,

$\bf \begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
% (a,b)
&U&(~ a &,& 0~) 
% (c,d)
&V&(~ x &,& y~)
\end{array}
\\\\\\
% slope = m
slope = m\implies 
\cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{y-0}{x-a}~~=~~\stackrel{ZW's~slope}{\cfrac{b}{-a}}
\\\\\\
\begin{cases}
y-0=b\implies \boxed{y=b}\\
-----------\\
x-a=-a\implies \boxed{x=0}
\end{cases}\qquad \qquad V~(0,b)$

8 0

3 years ago