Ask question

Ask question

All categories

Mandarinka [93]

3 years ago

6

Amanda composed 2 songs. The longer song is 126 seconds less than twice the length of the short song. The longer song lasts 286

seconds. How long is the shorter song.

1 answer:

xxMikexx [17]3 years ago

5 0

LongSong = 286s

LongSong = 2 * ShortSong - 126s

=>

2 * ShortSong - 126s = 286s

2 * ShortSong = 286s + 126s

2 * ShortSong = 412s

ShortSong = 206s

You might be interested in

Help D: log3 x^6 =12 <br>find x

Zielflug [23.3K]

$\log_ab=c\iff a^c=b\qquad(*)\\\\\log_ab^c=c\cdot\log_ab\qquad(**)\\\\---------------------\\\\\log_3x^6=12\qquad\text{use}\ (**)\\\\6\log_3x=12\qquad\text{divide both sides by 6}\\\\\log_3x=2\qquad\text{Use}\ (*)\\\\3^2=x\to\boxed{x=9}$

8 0

3 years ago

What is greater 6.67 or 6.670

Nitella [24]

Answer:

They are the same

Step-by-step explanation:

4 0

3 years ago

1/6 * 3/4<br> could be answers <br> 3/10<br> 1/6<br> 1/8 <br> 4/10

Dominik [7]

Answer:

it's a sooooooo it's the first one

5 0

3 years ago

Read 2 more answers

What is the slope of the equation: x = -2

Harrizon [31]

Answer:

undefined

Step-by-step explanation

it is a vertical line and has no defined slope

5 0

3 years ago

Add.<br> (-x^3+26x^2-7-13)+(6x^4-x^3+8x+27)<br> express the answer in standard form.

Alex777 [14]

$(-x^3+26x^2-7-13)+(6x^4-x^3+8x+27)\\\\=-x^3+26x^2-7-13+6x^4-x^3+8x+27\\\\=6x^4+(-x^3-x^3)+26x^2+8x+(27-7-13)\\\\=\boxed{6x^4-2x^3+26x^2+8x+7}$

4 0

3 years ago