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
solniwko [45]
3 years ago
7

Find the solution to the system: x=2y-7 and 4x+y=71

Mathematics
1 answer:
lidiya [134]3 years ago
7 0
4*(2y-7)+y=71

8y-28+y=71

9y=71+28

y=99/9

So y=11

Again putting value of y in first equation

x=2*11-7

x=22-7

x=15

So value if x is 15 and y is 11
You might be interested in
According to the rational root theorem, what are all the potential rational roots of f(x)=5x^3-7x+11
Genrish500 [490]

Answer:

\pm11,\pm1,\pm\frac{11}{5},\pm\frac{1}{5}

Step-by-step explanation:

The given polynomial function is

f(x)=5x^3-7x+11

According to the Rational Roots Theorem, the ratio of all factors of the constant term expressed over the factors of the leading coefficient.

The potential rational roots are

\pm\frac{11}{1}=\pm11

\pm\frac{1}{1}=\pm1

\pm\frac{11}{5}

\pm\frac{1}{5}

4 0
4 years ago
Plz help ASAP and thank you!
SIZIF [17.4K]

Answer:

Plot attached

Step-by-step explanation:

We want to locate √36 and ∛36 on the given number line

Now, √36 = 6.

And ∛36 = 3.3

I have attached a plot number line both values as we are told in the question

4 0
3 years ago
Larry won an award because he wrote 40 popular songs. However, he also wrote 32 songs that weren't popular. How many songs did L
Vsevolod [243]
Add 40 plus 32, it equals 72 because he wrote 40 popular songs and 32 songs.
8 0
3 years ago
Read 2 more answers
mark needs to move figure one so it overlaps figure two in exactly two transformation his first transformation is to reflect abo
laiz [17]

Answer:

C. Rotate 180° clockwise about the origin.

Step-by-step explanation:

5 0
3 years ago
The table below shows the amount of money, in hundreds of dollars, Elliot has saved after different numbers of years:
Archy [21]
Table:
<span>Years (x)                                      1     2     3     4     5     6 
Money (y) (hundreds of dollars) 15   30   45   60   75   90
</span>
y = 15(x)
y = 15(9)
y = 135 hundreds of dollars

<span>y = 15x, in 9 years he will have saved $13,500</span>
4 0
4 years ago
Read 2 more answers
Other questions:
  • Loe's walkie-talkie is at 20% when fully charged the battery lasts 12 hours Leo thinks the walkie-talkie will last his entire 3
    9·1 answer
  • What is the vertex of the parabola? y+1=−14(x−2)2 enter your answer in the boxes?
    5·2 answers
  • What is the value of x to the nearest tenth?
    15·1 answer
  • Cindy has decided to lease a car. The lease includes a money factor of 0.0035. What
    7·2 answers
  • How many factors does 18 have
    7·1 answer
  • I need help its the triangle sum theorem​
    10·1 answer
  • Evaluate |3x| +4 when x=-5
    9·1 answer
  • Please answer correctly I’ll mark you brainlist!
    12·1 answer
  • What is the product of 1/2 x - 1/4 and 5x^2 - 2x + 6? Write your answer in standard form?
    10·1 answer
  • PLS ANSWER BOTH QUESTIONS
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!