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
Sliva [168]
4 years ago
8

15. • Solve the simultaneous equations

Mathematics
1 answer:
tamaranim1 [39]4 years ago
5 0
Answer:
B. 1 and -2
Explanation:
First, add up the equations:
x-x+3y+y=4
4y=4
y=1
Now, plug y into any of the original equations above and solve for x:
-x+1=3
-x=2
x=-2
Therefore, the answer is B. 1 and -2
You might be interested in
The cost of a soft drink varies directly with the number of ounces you buy. If 12 ounces cost $0. 80,how many ounces of the soft
dsp73

Answer:

36 oz.

Step-by-step explanation:

If a 12 Oz soft drink is 80 cents, and we need to find out much many oz in in 2.40, we need to multiply 12 by 3.

because: 2.40=.80×3

so: 12×3= 36

4 0
3 years ago
X f(x)<br> -2 -1/200<br> -1 -1/20<br> 0 -1/2<br> 1 -5<br> 2 -50
Hitman42 [59]

9514 1404 393

Answer:

  f(x) = -1/2·10^x

Step-by-step explanation:

The y-intercept is -1/2.

The common ratio is (-1/20)/(-1/200) = 10, so the exponential function can be written as ...

  f(x) = -1/2·10^x

6 0
3 years ago
The diagram shows a triangle.<br><br> What is the value of b?<br> 37<br> 143<br> 90<br> 30
balandron [24]
The value of b is 37 degrees
4 0
3 years ago
Read 2 more answers
What is the answer for 1/2 Divided by 4/8
BlackZzzverrR [31]

Answer: 1

Step-by-step explanation:

6 0
3 years ago
3/4(12x−9) +b4 = 5−3(2−3x)
Pavel [41]

Solve for x:

Take the root of both sides and solve.

All real numbers Interval Notation

(-infinity, infinity)

(Don’t actually write infinity, write the infinity symbol)

8 0
3 years ago
Other questions:
  • What is the definition of a rational number?
    9·1 answer
  • I need this answered correctly and fast! Please help me I beg of you.
    8·2 answers
  • Subtract 1/4w + 4 from 1/2w + 3
    10·2 answers
  • The owners want to hire a contractor to build a porch along side the parlor. The parlor is rectangular with width Of 32 feet and
    14·1 answer
  • Data will be collected on the following variables. Which variable can be considered discrete? A. The height of a person B . The
    8·1 answer
  • 7 is 10% of y. What was franklin's age
    12·1 answer
  • Ebenezer makes $12 an hour. He needs to make at least $50. Write an inequality to determine how many hours, h, Ebenezer can work
    11·1 answer
  • Help! The answer must me exact! Will rate you if correct!!
    7·1 answer
  • Solve each equation. Check your solution.<br> 2 + ba = -4
    14·1 answer
  • What is the equation of the perpendicular bisector of the line
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!