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
Karo-lina-s [1.5K]
2 years ago
7

Solve each system using substitution: 7x-2y=1 2y=x-1

Mathematics
1 answer:
Mrrafil [7]2 years ago
7 0
Hello :
<span>7x-2y=1 ...(1)
 2y=x-1...(2)
</span><span>substitution  2y in (1) :
</span>7x-(x-1) = 1
7x-x+1 = 1 
7x = 0
x=0
in (2) :   2y = 0-1
2y = -1        y=  -1/2
the <span>system have one solution :  (0 ;-1/2)</span>
You might be interested in
The figure is the net for a rectangular prism.
svetoff [14.1K]
sa = 2(lw + lh + wh)

sa = 2(8 \times 6 + 8 \times 16 + 6 \times 16)

sa = {544 \: cm}^{2}

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

I hope that helps you out!!

Any more questions, please feel free to ask me and I will gladly help you out!!

~Zoey
4 0
3 years ago
Read 2 more answers
A cylinder has a radius of 4x + 3 and a height of 3x + 6. Which polynomial in standard form best
MrRa [10]

Answer:

Step-by-step explanation:

R=4x+3

H=3x+6

Volume of a cylinder= Πr²h

inserting the parameters

v=π(4x+3)²(3x+6)

v=π(16x²+24x+9)(3x+6)

V=π[3x(16x²+24x+9) +6(16x²+24x+9)]

v=Π(48x³+72x²+27x+96x²+144x+54)

v=π(48x³+168x²+171x+54)m³

8 0
3 years ago
Math graph equation. <br> (Picture.)
vladimir1956 [14]

Answer:

y = -2x + 3 is the required equation

Step-by-step explanation:

From the graph we will get two ordered pairs

If we see that When x=0 then y=3  and when x = 1 then  y=1

Now from this we can find the slope of the Graph

So slope of graph = (y2 - y1) / (x2-x1)

                               =(1-3) / (1-0)

                                =-2

So

Slope = m = -2

Now the equation is

y = mx + b

We have to find the value of b

as we have two ordered pairs we can take any of it to find the value of b because line passes through those points

taking (0,3) as a point

y= mx + b

put values

3 = -2*(0) + b

so

b=3


Now the equation of the line in this form is

y = mx + b

which is

y = -2x + 3

5 0
2 years ago
Which number represents the BASE?<br> 42=16<br> A. 4<br> B. 2<br> C. 16
stepladder [879]

Answer:

2

Step-by-step explanation:

6 0
2 years ago
Solve when G= -4/3 and h= 1/3 G+2h-3g-4h
Alexandra [31]

Answer:

2

Step-by-step explanation:

8 0
2 years ago
Other questions:
  • Suppose a1={1,{2}}a1={1,{2}} and a2={∅,{1,2}}a2={∅,{1,2}} and a3={∅,{1},2}a3={∅,{1},2}. enter "t" for each true, and "f" for eac
    10·1 answer
  • When evaluating an observational study, the four factors that should be reviewed are
    7·1 answer
  • A football player ran for a 9 yard touchdown. How many feet is this?
    9·2 answers
  • plz help me out it would be a prouder I don't know these tuitions pls help me I will give u 100 points and mark u brainliest 1,2
    5·2 answers
  • Separate the 51 into two parts so that the second part is more than twice as large as the first part
    14·2 answers
  • 6 divided by 2 (1+2)=
    13·1 answer
  • In a college 40% of the students take physics while 30% take calculus. 10% also take both. If there are 40 students how many tak
    6·1 answer
  • What is (2/3 x 3/5) - (3/4 x 1/6)
    8·2 answers
  • Pythagorean Theorem<br> a = ? b = 7 c = 13
    6·1 answer
  • Alondra says that (12 + 31) × 5 is equivalent to 12 + 31 × 5 because of the associative property. Determine if Alondra is correc
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!