1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
damaskus [11]
4 years ago
12

Plz help on all of this these

Mathematics
1 answer:
soldier1979 [14.2K]4 years ago
3 0
7.) 170
8.) 9
9.) 44
10.) -124
11.) -99
12.) 84
13.) 88
14.) -1080
15.) -27
16.) -81
17.) -27
18.) -81
You might be interested in
Which is an equation for the nth terms of the sequence 12,15,18,21
KiRa [710]

\bf 12~~,~~\stackrel{12+3}{15}~~,~~\stackrel{15+3}{18}~~,~~\stackrel{18+3}{21}~\hspace{10em}\stackrel{\textit{common difference}}{d=3} \\\\[-0.35em] ~\dotfill\\\\ n^{th}\textit{ term of an arithmetic sequence} \\\\ a_n=a_1+(n-1)d\qquad \begin{cases} a_n=n^{th}\ term\\ n=\textit{term position}\\ a_1=\textit{first term}\\ d=\textit{common difference}\\ \cline{1-1} a_1=12\\ d=3 \end{cases} \\\\\\ a_n=12+(n-1)3\implies a_n=12+3n-3\implies a_n=3n+9

7 0
3 years ago
Read 2 more answers
What is the solution of the system of equations shown in the graph below?
Talja [164]

Answer:

Step-by-step explanation:

d

5 0
3 years ago
out of 420 students enrolled in a recreational soccer program, 40% are sixth graders. How many students in the program are sixth
Juliette [100K]

0.4(420) = 4(420)/10

(0.4 is essentially 4/10)

1680/10 = 168

There are 168 sixth graders

5 0
3 years ago
Read 2 more answers
Shawna is going out of town for the day, so she asks a friend to watch her 3 dogs. She wants to leave
aleksklad [387]

Answer:

2cans

Step-by-step explanation:

1/2 = .5 so .5×3=1.5 and 1.5 ÷ .075 =2

6 0
3 years ago
I need help help please help
Softa [21]

middle left my guy lol..

8 0
3 years ago
Other questions:
  • Sharon is drawing up a plan for building a reduced Eiffel Tower on her backyard patio. She has room to make a base of 5 feet. He
    6·2 answers
  • Help is appreciated!! ❤<br><br> Simplify the expression (5 + √3)(5 - √3)
    13·1 answer
  • Negitive 4/5 - 7/8 pls help confused about this
    9·1 answer
  • What is the value of the the digit 2 in 0.025
    12·2 answers
  • Anybody can help me out??<br> Answers are 0, 6, 1 &amp; Undefined
    11·2 answers
  • Four friends participated in a speed-typing contest. Who has the slowest typing speed? Georgie: 320 words in 8 minutes Tara: 403
    5·1 answer
  • Aime hiked for 3 days across an island. He started at the shoreline, which is at an elevation of 0 feet. At the end of day 1, Ja
    14·1 answer
  • The exercise physiologist determines that Dave, who weighs 185 lb, has 20lb of body ft. determine his percentage of body fat and
    13·1 answer
  • Please help me with this !!!
    14·1 answer
  • You saved $280 on your new laptop because you bought it online. If this was a 20% savings from the original price, find the orig
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!