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enot [183]
3 years ago
8

Pls guys help me with this i will give u more points!

Mathematics
1 answer:
gtnhenbr [62]3 years ago
5 0

3x - 4y =  - 6 \\  - 2x + y = 1

<em>The Ordered pair of solution will be (x,y)=(2,3)</em>

\red{ \rule{35pt}{2pt}} \orange{ \rule{35pt}{2pt}} \color{yellow}{ \rule{35pt} {2pt}} \green{ \rule{35pt} {2pt}} \blue{ \rule{35pt} {2pt}} \purple{ \rule{35pt} {2pt}}

<h3>Steps below⤵️</h3>

  • Solve the second equation for y
  • Substitute the given value of y into the first equation
  • Solve the first equation for x
  • Substitute the given value of x into the second equation
  • Solve the equation for y
  • The possible solution of the system is the ordered pair (x,y)
  • And we are done solving!!~

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What is the simplified form of this expression, written in scientific notation?
Simora [160]
Do me to answer the question for you or explain?
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4 years ago
An ellipse is centered at the origin. Find it’s equation.
MA_775_DIABLO [31]

Answer:

(x)^2        (y)^2

---------- + --------- = 1

 4              3

Step-by-step explanation:

The standard equation for an ellipse is

(x-h)^2     (y-k)^2

---------- + --------- = 1

a^2            b^2

The center is at (h,k)

The vertices are at (h±a, k)

The foci are at (h±c,k )

Where c is sqrt(a^2 - b^2)

It is centered at the origin so h,k are zero

(x)^2        (y)^2

---------- + --------- = 1

a^2            b^2

The center is at (0,0)

The vertices are at (0±a, 0)

The foci are at (0±c,0 )

The vertices are (±2,0)  so a =2

The foci is 1

c = sqrt(a^2 - b^2)

1 = sqrt(2^2 - b^2)

Square each side

1 = 4-b^2

Subtract 4 from each side

1-4 = -b^2

-3 = -b^2

3= b^2

Take the square root

b=sqrt(3)

(x)^2        (y)^2

---------- + --------- = 1

 4              3

4 0
3 years ago
What is an equation of the line with slope 2 that goes through point (3/2, 6)
Anna007 [38]

The answers are in slope-intercept form, so you can see that the slope (coefficient of x) is only correct for choices b and c.

When you substitute x=3/2 into those equations, you find that b gives y=6 (correct) and c gives y=0 (incorrect).

The appropriate choice is ...

... b.) y = 2x+3

4 0
3 years ago
During a pie eating contest, a person ate 12 pies in 60 minutes. How many pies did the person eat per minute? Group of answer ch
faltersainse [42]

Answer:

5 per minute

Step-by-step explanation:

3 0
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Read 2 more answers
Suppose your annual starting salary is $55,183. After working for a few years, you start to get yearly raises. If you get a 0.6%
Marianna [84]

Answer:

The salary after all the increment = $62899.0879

Step-by-step explanation:

It is given that starting annual salary = $55183

There is given that there are there are three time increment of 0.6 %

So salary after 0.6% increment of 3 times = 55183\times (1+\frac{0.6}{100})^3 = $56182.2656

After that there is other increment of 1.9 % that is 6 times

So salary after this increment = 56182.2656\times (1+\frac{1.9}{100})^6=62899.0879

So the salary after all the increment = $62899.0879

4 0
3 years ago
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