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
Lisa [10]
3 years ago
7

Y=1/2x-2 and y=-3x+5 system by Substitutions

Mathematics
2 answers:
mr Goodwill [35]3 years ago
3 0

Answer:

x = 2 ; y = -1

Step-by-step explanation:

y = 1/2*x - 2 and y = -3*x + 5

1/2*x - 2 = -3*x + 5

7/2*x - 2 = 5

7/2*x = 7

x = 2

y = 1/2*2 - 2 = -1

y = -3*2 + 5 = -1

agasfer [191]3 years ago
3 0

Answer:

(2,-1)

Step-by-step explanation:


You might be interested in
Please help! Will give brainliest :)
Vedmedyk [2.9K]

Answer:

15 boys in 3 groups

15 girls in 4 groups

Step-by-step explanation:

60 ÷ 4 = 15

45 ÷ 3 = 15

Have an awesome day! :D

7 0
3 years ago
Helpp me pleasee (algebra)
antiseptic1488 [7]

Answer:

Step-by-step explanation:

answer = 1/2 r + m

m = 7

r = 8

answer = 1/2 * 8 + 7

answer = 4 + 7

answer = 11

8 0
3 years ago
In a certain town, the amount of sulfur oxide in the air, S, in tons, is related to the town’s population, P, in people. The rel
Lady bird [3.3K]

Answer:

Change in sulfur oxide in the air = \frac{\textup{110010}}{\textup{S}}

Step-by-step explanation:

Data provided in the question:

Relation between the amount of sulfur oxide in the air and the population as:

S² = 110P² + 20P + 600

Population growth rate, \frac{\textup{dP}}{\textup{dt}}  = 10 people per month

Now,

change in sulfur oxide with time i.e \frac{\textup{dS}}{\textup{dt}}

differentiating the given relation with respect to time 't'

we have

2S\frac{\textup{dS}}{\textup{dt}} =  2\times110P\frac{\textup{dP}}{\textup{dt}}  + 20

at P = 100 and  \frac{\textup{dP}}{\textup{dt}}  = 10 people per month

we have

2S\frac{\textup{dS}}{\textup{dt}} = 2 × 110 × 100 × 10 + 20

or

2S\frac{\textup{dS}}{\textup{dt}} = 220020

or

\frac{\textup{dS}}{\textup{dt}} = \frac{\textup{220020}}{\textup{2S}}

or

Change in sulfur oxide in the air = \frac{\textup{110010}}{\textup{S}}

8 0
3 years ago
jobs gross pay is $400, from which $24.80 deducted for OASDI, $5.20 for Medicare, and $45 for income tax. what is her net pay? A
katrin2010 [14]
$24.80 + $5.20 + $45.00 = $75.00 the answer is B
7 0
3 years ago
Read 2 more answers
HELP PLSSS THIS IS HARD SOMEONEEE
-BARSIC- [3]

Answer:

B

Step-by-step explanation:

Each coordinate becomes 1/4 of what it was.

Answer: B

4 0
3 years ago
Read 2 more answers
Other questions:
  • current rules for telephone area codes allow the use of digits 2-9 for the first digit and 0-9 for the second and third digits.
    8·1 answer
  • Mrs Jenkins picked some tomatoes from her garden. She used 5/9 of the tomatoes to make pasta sauce. Then she used 3/4 of the rem
    14·1 answer
  • Consider the sequence: 11, 21, 31, …, … , … What is the nth term of this sequence ?
    10·1 answer
  • Find the geometric mean of the pair of numbers. 2 and 6
    13·1 answer
  • 45) Toby cut one of these shapes out of a piece of paper folded
    6·2 answers
  • use a calculator and work out the following and write all the figures from your work display. a) (6.2 - 3.51) x (11.7 x 0.3)
    15·1 answer
  • A bakery needs to make 7 batches of muffins before opening in 4 hours. Each batch of muffins takes 2/3 hour to bake.
    7·2 answers
  • 1b. What is g(-5)? *
    14·1 answer
  • Graph the parabola. Can you give me the points to graph
    7·2 answers
  • Please help!!!!!!!!!!!!
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!