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
mart [117]
3 years ago
15

Solve the equations: 18=n-18 p-18=3 x-9=1

Mathematics
1 answer:
Klio2033 [76]3 years ago
6 0

Step-by-step explanation:

(1 point)

No, there isn't a more efficient way to solve this system.

Yes, a more efficient way is to multiply the first equation by 4, add to eliminate y, then solve for x.

Yes, a more efficient way is to multiply the first equation by −4, add to eliminate y, then solve for x.

Yes, a more efficient way is to multiply the first equation by −4, add to eliminate x, then solve for y.

You might be interested in
A book store has paperback books marked down 25%. What is the total markdown on four books that regularly sell for $8.95,
AnnyKZ [126]
I think it’s none of them as 25% is 2.5 so 8.95+2.50=11.45
7 0
3 years ago
If c is a number with no exponent, what is the value of c in the equation below?
Aleksandr [31]

Answer:

I cant help because its rly blurry but I think the answer is 120¿

4 0
3 years ago
Read 2 more answers
on a cross-country road trip, a family drives 240 miles each day. Write and solve an equation to determine how far the family ha
Arada [10]
Well, first, let's label the variables for our equation:

240 Miles per day

Traveled for 4 days

_________________________________________

Now, let's set up an equation to help us:

240x = ?

Since they're trying to figure out how many miles the family traveled after 4 days, and, they're going 240 miles each day, we should plug in a 4 where 'x' is:

240 ( 4 ) = ?

Now, we multiply:

240
× 4
________
800
+ 160
________
960


Answer: The family traveled 960 miles in 4 days.

_________________________________________

I hope this helps!
5 0
3 years ago
Help!! Need done by today!!!!!!Please tell me the errors in here and what the correct answer should be!!! Will give u extra poin
allochka39001 [22]

The equation is y = mx + b. b is the <u>y intercept,</u> which means the line intersects the <u>y axis</u> at 50, not the x axis. Also, the equation is an inequality and you wrote an equation. The inequality should be 100 ≥ 4x + 50, or 50 ≥ 4x. If y = 4x + 50, then 100 ≥ y.

Also, in the end you got 12.5. 12.5 is not a number of people that can attend her party. The number has to be a positive integer.

Usually, inequalities are graphed with shading up or down. In this case it is down because you have a limit on how much Gamora can spend.

The actual answer is 12 people.

Your answer was almost right if only you had converted it to the greatest positive integer less than 12.

Your graphing was wrong because you put 50 as the x intercept instead of the y intercept, and you forgot to shade. The question tells you to graph an inequality.

I hope this helps because I spent a long time typing this :)!

5 0
3 years ago
Find the x intercepts of the quadratic equation function f(x) = x2-x-6.
Softa [21]
Www.desmos.com it's the best website for solving problems like these. I insist you message me if you're not certain how to operate this website.
4 0
3 years ago
Other questions:
  • Sari Tagore obtains a $1000 loan to purchase a laser printer. Her interest rate is 7% ordinary interest for 108 days.
    9·1 answer
  • I have two questions
    9·1 answer
  • The legs on a right triangle are 15.25 inches and 14.1 inches.
    12·1 answer
  • A wire 16 cm long is cut into two pieces. The longer piece is 2 cm longer than the shorter piece.
    13·2 answers
  • If you're good at logarithms please help me with question two d and h thanks
    11·1 answer
  • Please help I will reward brainliest
    9·2 answers
  • *PLEASE PLEASE HELP I WILL MARK THE BRAINLIEST*
    13·2 answers
  • What equations make c=9 a solution
    7·1 answer
  • I need help ASAP please
    15·1 answer
  • I need help with question in photo
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!