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miss Akunina [59]
3 years ago
13

Which expression is equivalent to V-80? -4V5 -4V5i 4V5i 4V5

Mathematics
1 answer:
sattari [20]3 years ago
6 0

Answer:

-4v5

Step-by-step explanation:

just a guess

You might be interested in
The difference of two is 4. The larger is 8 less than twice the smaller. What are the two numbers ?
siniylev [52]

Answer:

{12, 16}

Step-by-step explanation:

The difference of two <em>numbers (x and y)</em> is 4.  Thus, if y is the larger, then y - x = 4.  Also, y = 2x - 8.

So we need to solve the system of linear equations

y - x = 4

y = 2x - 8

Subbing 2x - 8 for y, in the first equation, we get  (2x - 8) - x = 4, or

x - 8 = 4, and conclude that x = 12.  Then, because y - x = 4, y must be 16.

The numbers are 12 and 16.

 

5 0
3 years ago
The world population in 2013 was about 7.125 billion. In 2003, it was about 6.357 billion. Which number represents the increase
Makovka662 [10]

Answer:

D.

7.68 × 108

Step-by-step explanation:

World population in 2013 was about 7.125 billion

In 2003 , it was about 6.357 billion

Increase = 2013 population- 2003 population

That’s 7.125 billion - 6.357 billion = 0.768 billion

A billion has 9 zeros. When you move The point one place to the right , it reduces the number of zeros by one. you now have

7.68 x 10^8

5 0
3 years ago
A quantity b varies jointly with c and d and inversely with eWhen b is 18, c is 4, d is 9, and e is 6What is the constant of var
777dan777 [17]

Answer:

constant of variation = 3

Step-by-step explanation:

we know that b varies jointly with c and d

so:

b∝c∝d

and b varies inversely with e, so

b∝\frac{1}{e}

and i will call the constant of variation k, this way we can make an equation for b in the following form:

b=k\frac{cd}{e}

this satisfy that b varies jointly with c and d (if b increases, c and d also increase) and inversely with e (if b increases, e decreases)

we know that when b is 18, c is 4, d is 9, and e is 6:

b=18\\c=4\\d=9\\e=6

substituting this in our equation for b:

b=k\frac{cd}{e}\\ 18=k\frac{(4)(9)}{6}

and we solve operations and clear for the constant of variation k:

18=k\frac{36}{6}\\ 18=6k\\\frac{18}{6}=k\\ 3=k

the constant of variation is 3.

4 0
3 years ago
Read 2 more answers
9.<br> Which of these is equal to {2 - 31}{21 +4}?
densk [106]

Answer:

-725

Step-by-step explanation:

5 0
3 years ago
What was the name of the famous mogul ruler who finally defeated the song dynasty and saw the complete conquest of china?
Finger [1]
Did you mean mongol?
Kublai Khan
5 0
3 years ago
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