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
noname [10]
3 years ago
10

I have no idea how to do these problems. I keep on getting them confused somehow. Please help a sista out! ❤️

Mathematics
1 answer:
AveGali [126]3 years ago
3 0

You use the process of substitution to solve these problems

2y = 4x + 12 simplify

y = 2x + 6

now why can be plugged into the second equation

2x - (2x + 6) = -6

2x - 2x - 6 = -6

-6 = -6

therefore x is zero

plug it in

2y = 0 + 12

y = 6

what we realize though is

2y = 4x + 12

y = 2x + 6 (multiply by two to receive 2y = 4x + 12)

They are the same graph so there are infinite solutions but plugging in (-4,2) shows it is not a solution.

You might be interested in
17 = r + 10 pls help quick from 11:27 to 12:30
yawa3891 [41]
The answer is 7

17-10=7
7 0
3 years ago
Read 2 more answers
The value of a bike depreciates by 20% each year<br> why after 2 years is it not reduced by 40%?
nordsb [41]
Because it will not be 40 percent of the original, since after 20 percent is gone, the next year itll be 20 percent of the product, instead of the original, so for example, if it was 100, it would go down to 80, and then the next year it would be 20 percent of 80, not 100
4 0
3 years ago
Read 2 more answers
Joe has created a budget and has allocated $250 per month for food. at the end of the month he finds that he actually spent $340
Lilit [14]
So he is over budget by $90 and he needs to allocate his bills to allow for it

5 0
4 years ago
For which value of theta is cot (theta) undefined?
sattari [20]

The cotangent function is defined as the ratio between cosine and sine of a given angle, i.e.


\cot(x) = \frac{\cos(x)}{\sin(x)}


Since you can't have zero at the denominator, the cotangent function is not defined when the sine is zero.


Let's look at your option:


\sin(90^\circ) = 1, so the cotangent is defined here


\sin(180^\circ) = 0, so the cotangent is not defined here


\sin(270^\circ) = -1, so the cotangent is defined here


\sin(450^\circ) = \sin(360^\circ+90^\circ)=\sin(90^\circ) = 1, so the cotangent is defined here

6 0
3 years ago
Read 2 more answers
Which value of x is the solution of the equation 2(x – 4) + 7 = 3? (a) 1 (b) 6 (c) 2 (d) 0
pav-90 [236]

Answer:

(c) 2

Step-by-step explanation:

2(x - 4) + 7 = 3

2x + 2(-4) + 7 = 3

2x - 8 + 7 = 3

2x - 1 = 3

2x - 1 + 1 = 3 + 1

2x = 4

2x/2 = 4/2

x = 2

Hope this helps!!!

4 0
3 years ago
Other questions:
  • A) given the function f(x) = −x 2 + 8x + 9, state whether the vertex represents a maximum or minimum point for the function. exp
    10·1 answer
  • How do you find the slope in a graph?
    14·1 answer
  • Lina has 12 coins in her purse. D of them are dimes and the rest are quarters.
    14·1 answer
  • Can someone help me with these questions please, ill give you brainliest.
    5·1 answer
  • Need some help with congruence and similarity <br> (Picture bellow)
    14·1 answer
  • An angle with its vertex at the center of a circle intercepts an 80° arc of that circle.
    11·1 answer
  • In which quadrant does angle theta lie if csc theta &lt;0 and cot theta&lt;0?
    10·1 answer
  • The blue dot is at what value on the number line? -10 -16<br><br> PLEASE ANSWER NOW!!!!
    7·1 answer
  • On Wednesday Mr. Miles walked in right at 9/10 of the trail then he walked one eights of the trail back and you stop to rest wha
    12·1 answer
  • Please help me Asp please really fast
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!