Dakotahyatt
Dakotahyatt
02-09-2017
Mathematics
contestada
Answer bottom 6 algebra 1 problems please
Respuesta :
WojtekR
WojtekR
02-09-2017
3)
Domain:
[tex]v+12\neq0\\\\\boxed{v\neq-12}[/tex]
[tex]9=\dfrac{v+4}{v+12}\quad|\cdot(v+12)\\\\\\9(v+12)=v+4\\\\9v+108=v+4\\\\9v-v=4-108\\\\8v=-104\quad|:8\\\\\boxed{v=-13}[/tex]
4)
[tex]7-(5t-13)=-25\\\\7-5t+13=-25\\\\-5t=-25-7-13\\\\-5t=-45\quad|:(-5)\\\\\boxed{t=9}[/tex]
5)
[tex]-3(7p+5)=27\\\\-21p-15=27\\\\-21p=27+15\\\\-21p=42\quad|:(-21)\\\\\boxed{p=-2}[/tex]
6)
[tex]14+13y=20y-21\\\\13y-20y=-21-14\\\\-7y=-35\quad|:(-7)\\\\\boxed{y=5}[/tex]
7)
[tex]\dfrac{-8-3k}{2}=11\quad|\cdot2\\\\-8-3k=22\\\\-3k=22+8\\\\-3k=30\quad|:(-3)\\\\\boxed{k=-10}[/tex]
8)
[tex]-15b+21+5b=-19\\\\-15b+5b=-19-21\\\\-10b=-40\quad|:(-10)\\\\\boxed{b=4}[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 87+ )
Otras preguntas
Which of the following was NOT a reason that Gregor Mendel used pea plants? A.could reproduce asexually or sexually B.long life cycle C.easily identifiable trai
A fast-growing computer service company is hiring a Computer Network Architect, a Computer Programmer, a Web Administrator, and a Computer Systems Analyst. In w
During the Tang Dynasty, Buddhism was the principle religion of China. True False
please help :'D Choose an equation for the line shown on the graph
Can some one help me
Read these excerpts from a passage. "I’m a normal high school kid—that is, I like listening to music. Until about a year ago, I always liked listening to it lo
What state officer manages state money? a. the governor b. the attorney general c. the secretary of state d. the treasurer What state officer proposes state law
Jake has $4,000 invested at 8% annual interest. He has $2,800 more to invest. At what rate must he invest the $2,800 to have a total annual interest of $628?
Evaluate. 3⋅23+52−18÷6 25 31 40 46
Consider the following 8 numbers, where one labelled x is unknown. 41 , 19 , 28 , x , 10 , 23 , 14 , 4 Given that the range of the numbers is 55, work out 2