Solve for e:(-7)=e/3+14? show your work

Answers

Answer 1

Answer: -7 = $(e)/(3)$ + 14
take 14 to the other side
-7 -(14) = $(e)/(3)$
-21 = $(e)/(3)$
Multiply by 3 on either sides to isolate e and to find a value

-21 × 3 = $(e)/(3)$ × 3
3 and 3 cancels out

-63 = e

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Christine has 28 jazz songs and classical songs on a playlist. The play list has 3 times as many jazz songs as classical songs. She has 7 times as many rock songs as classical songs. How many Jazz songs are in the playlist? How many rock songs are on the playlist?

Answers

I assume you mean the total number of jazz and classical songs combined is 28 songs?
3 times as many jazz as classical:
Means there is a ratio of 3 jazz to 1 classical, which means there are essentially 4 parts (3+1=4). So if we divide 28/4=7. This gives one part = number of classical songs, jazz is 3 parts so 7*3=21 jazz songs.
7 times as many rock as classical:
From above we know there are 7 classical songs. 7*7=49 rock songs.
Jazz=21 songs
Rock=49 songs

What is 15 degrees less than 6 degrees celcius

Answers

The question is asking for the value you will have left if you removes 6 degree Celsius from 15 degree Celsius, that is,
15 - 6 = 9
The answers is 9 degree Celsius.
In mathematics, 'LESS' is another word for subtraction.

Multiply and simplify (a-3b)^2

Answers

Simple,

distribute the $^(2)$

It may seem tricky..there is a hidden term in there that most people would forget....

but, it's saying multiply (a-3b)(a-3b) (FOIL)

a*a= $a^(2)$ (First)

-3b*a= -3ab (Outer)

-3b*a= -3ab (Inner)

-3b*-3b= 9 $b^(2)$ (Last)

Making it....

$a^(2)+-3ab+-3ab+9 b^(2)$

Combine terms...

Making your answer, $a^(2) -6ab+9 b^(2)$

( a - 3b ) ( a - 3b )

= a² - 3ab - 3ab + (-3b)²

= a² - 6ab + 9b²

The sum of a number x and 84

Answers

Answer: x+84 is the required expression.

Step-by-step explanation:

Let the number be 'x'.

Another number = 84

According to question, sum of a number and 84 , means

Addition of x and 84

Mathematically, it is expressed as

x + 84.

Hence, x+84 is the required expression.

84+x or x+84 would be the equations you are looking for.

What is the value of |–46| ?A.
–46

B.
46

Answers

the answer is B that symbol means absolute value and it manes the distance from zero.

The answer is B. The answer is always the positive version of the number.

Which expression means 2 less than a number? A.
2 ÷ p

B.
p + 2

C.
2 × p

D.
p – 2

Answers

I'm thinking its "D"

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Hope that helped!

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