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
gizmo_the_mogwai [7]
3 years ago
8

Use a graphing calculator to solve the system of linear equations. 2.1x+4.2y=14.7 −5.7x−1.9y=−11.4

Mathematics
1 answer:
tia_tia [17]3 years ago
3 0

I used my calculator and got x=1 y=3

solve for y to put them in your calculator

2.1x+4.2y=14.7

y = (14.7 -2.1x)/4.2


−5.7x−1.9y=−11.4

y=(-11.4 +5.7x)/(-1.9)

then using the ploting tool I plotted them and found where they intersected

You might be interested in
Please help me with problem 22a I dont understand how to find the rate of change
Anna [14]
The rate of change is x2. So, since it's forty, it became 80 because 40x2=80!
         Good luck for a good grade!
5 0
3 years ago
At Al's Pizza, 57% of the orders included pepperoni pizza. At World's Best Pizza, 11 out of 19 orders included pepperoni pizza.
a_sh-v [17]

100-57=47% at Als pizza

11/19*100=57.9% at wold best

Therefore world best make greater %

5 0
3 years ago
PLEASE HELP ME (it’s numbers 2-5) thanks! ☺️
Alisiya [41]
I’m stuck on the sameee
3 0
3 years ago
14|x| - 15 = 41<br> algebra
LekaFEV [45]
The solutions x=4,-4
7 0
3 years ago
PLEASE HELP! FINDING THE AREA OF THIS RHOMBUS
AlexFokin [52]
Hi there you look very cute in that picture
4 0
3 years ago
Other questions:
  • Can someone please help me
    7·1 answer
  • The ratio of girls to boys in a classroom is 5 to 4.how many girls are in the class if there is a total of 27 students
    9·1 answer
  • What is the measure if each interior angle of a 15-gon
    11·1 answer
  • What is the equation to this graph????
    9·2 answers
  • All even prime numbers
    12·1 answer
  • Please Help!!! I'll make you Brainliest!!! Thanks :)
    6·2 answers
  • Given f(x) = 3 and g(x) = cos(x). What is Limit of left-bracket f (x) minus g (x) right-bracket as x approaches negative pi?
    7·1 answer
  • 78% of 68 is what number?
    5·1 answer
  • 78 davided by 21 what is the anerw
    15·1 answer
  • If each order contained less than 100 bulbs, what is the largest number of bulbs each could have contained
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!