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Harrizon [31]
3 years ago
12

Simplify the expression: 3(x+2) - 4 - 7x

Mathematics
1 answer:
belka [17]3 years ago
6 0

Answer:

use PEMDAS

Step-by-step explanation:

Parentheses

Exponents

Multiply

Divide

Add

Subtract.

if you do it in that exact order you should get your answer.

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How to tell if its identifying functions is <br> a function or not
Svetach [21]

Answer:

Step-by-step explanation:

Determining whether a relation is a function on a graph is relatively easy by using the vertical line test. If a vertical line crosses the relation on the graph only once in all locations, the relation is a function. However, if a vertical line crosses the relation more than once, the relation is not a function.

6 0
3 years ago
What is the value of the expression below?
lozanna [386]

Answer:

25x10^18/4   or    6.25x10^18

Step-by-step explanation:

2.5x10^33x5x10^-15/2

12.5x10^18/2

6 0
3 years ago
A área do círculo mede 196 π cm². Qual a medida do seu raio?
AleksandrR [38]

Hey there!!

  • The area of a circle = πr²

The area is given as 196π

Hence,

196π = πr²

... r²= 196

... r = √196

... r = 14

<em>Hence, the radius is 14 cm. </em>

<em>Hope it helps!</em>

8 0
3 years ago
Read 2 more answers
A seamstress is making a decorative pillow and wants to cover both sides of the pillow with special fabric. The pillow is in the
olganol [36]
The seamstress will need 12 inches of special fabric. 
7 0
3 years ago
Read 2 more answers
The graph below shows the height through which an elevator travels, y, in x seconds: A graph is shown with x axis title as Time
Blababa [14]

Answer:

C. 10

Step-by-step explanation:

We are given a graph representing the height of the elevator with respect to time.

Since, we know that,

X-axis represents the 'time' in seconds and y-axis represents the 'height of the elevator' in feet.

As, the coordinate points on the graph are given by,

(1,10), (2,20), (3,30) and (4,40).

So, the rate of change can be found out by solving, \frac{20-10}{2-1}=10.

Hence, the rate of change of the relationship is 10.

5 0
3 years ago
Read 2 more answers
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