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
Pavel [41]
2 years ago
11

Can someone help me find the solution to these equations by using substitution

Mathematics
1 answer:
Vanyuwa [196]2 years ago
5 0
1) (x,y) = no solution

2) x=-2y

-2y-y = 9

-3y = 9

y = -3

x = -2(-3)

x = 6


(x,y) = (6,-3)
You might be interested in
I have no idea what I'm doing :^
mars1129 [50]

Answer:

press this link and u will get the answers

https://www.math.tamu.edu/~rosanna/141/WIR2_done.pdf

5 0
3 years ago
Read 2 more answers
Solve for x assume that lines appear tangent are tangent
Anuta_ua [19.1K]

Answer:

Step-by-step explanation:

? = 1/2(230)

A  115°

8 0
3 years ago
The participants in a research study self-report their sleep quality levels by choosing the response option that best characteri
Bad White [126]

Answer:

This is a Categorical variable and the measurement scale is ordinal scale.

Step-by-step explanation:

The measurement scale that is being used to classify sleep is the ordinal measurement. In this question, the variable that is called sleep quality is a categorical variable. categorical variables are variables that have the data representing groups. sleep quality has been given this categorical order extremely low very low low and extreme high.

The ordinal scale is a scale that denotes order it has all variables in a specific order.

6 0
2 years ago
Marika is training for tack race. She starts by sprinting 100 yards. She gradually increases her distance, adding 4 yards a day
Mekhanik [1.2K]

Answer:

A(n)= 100 + (n-1)4

Step-by-step explanation:

5 0
3 years ago
(02.03)
RoseWind [281]

Answer:

It's the one under the one you have selected.

Step-by-step explanation:

7:2

14:4

28:8

56:16

Divide the first number by 7 then multiply it by 2.

Example: 56/7=8, 8*2=16 so it's correct.

4 0
3 years ago
Read 2 more answers
Other questions:
  • the temperature in Nico's town was -2.9 f at noon . the temperature increased at a steady rate of 1.3 f per hour until 6:00p.m.
    8·1 answer
  • Probability of being a boy in this class is 1/3 and there are 12 girls. Find the total
    12·2 answers
  • What is the coefficient in the expression shown? 42+2c
    9·2 answers
  • a line is parallel to y=4x+1 and intersects the point (-2,4) what is the equation of this parallel line
    5·2 answers
  • What is: X+2-3= When X=1
    9·2 answers
  • I would like to know what part of the ax+bx=c standard equation means in a graph
    8·1 answer
  • HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
    8·2 answers
  • a scale drawing of a movie screen is 21 inches long and 9 inches tall. The actual screen is 30 ft tall. Find the perimeter of th
    10·1 answer
  • y+11=28. If eleven is subtracted from the left-hand side of the equation then what number needs to be subtracted from the right-
    14·2 answers
  • 40 hours is what part of 120 hours
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!