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NNADVOKAT [17]
3 years ago
7

What is the solution to the system of equations? y=2/3x+3 x=-2 

Mathematics
2 answers:
Taya2010 [7]3 years ago
7 0
We are going to solve for x=-2, y=2/3x+3, y=2/3(-2)+3, y=5/3. Therefore, x=-2 and y=5/3
Vaselesa [24]3 years ago
4 0

Answer:

x=-2,y=\frac{5}{3}

Step-by-step explanation:

The given system of equations is

y=\frac{2}{3}x+3...(i)\\\\x=-2...(ii)

Plugging the value of x from (ii) in equation (i) and find the value of y

y=\frac{2}{3}\times(-2)+3\\\\y=\frac{-4}{3}+3\\\\y=\frac{5}{3}

Therefore, the solution of the system of equations is

x=-2,y=\frac{5}{3}

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Farmer bob's square plot ofland is slowly eroding away. Worried about the future of his farm. Farmer Bob measures the rate of er
kow [346]

Answer:

Option A.

Step-by-step explanation:

Area of a square is

A=x^2               .... (1)

where, x is side length.

The length of each side of his square plot is decreasing at the constant rate of 2 feet/year.

\dfrac{dx}{dt}=2

It is given that bob currently owns 250,000 square feet of land.

Fist find the length of each side.

A=250000

x^2=250000

Taking square root on both sides.

x=500

Differentiate with respect to t.

\dfrac{dA}{dt}=2x\dfrac{dx}{dt}

Substitute x=500 and \frac{dx}{dt}=2 in the above equation.

\dfrac{dA}{dt}=2(500)(2)

\dfrac{dA}{dt}=2000

Farmer bob is losing 2,000 square feet of land per year.

Therefore, the correct option is A.

7 0
2 years ago
10+5-7=3y<br><br> -10x+5x+5=-15<br><br> 3x+2x-4x+10<br><br> pre algebra 8th grade math
jasenka [17]

Answer:

1) y=8/3=2 2/3   2) x=4    3) x+10

Step-by-step explanation:

1) 10+5-7=3y

Calculate the sum or difference.

8=3y

Swap the sides of the equation.

3y=8

Divide both sides by 3.

y=8/3=2 2/3

2) -10x+5x+5=-15

Collect like terms.

-5x+5=-15

Move the constant to the right-hand side and change the sign.

-5x=-15-5

Calculate the difference.

-5x=-20

Divide both sides by -5.

x=4

3) 3x+2x-4x+10

Collect like terms.

(3+2-4)x+10

Calculate the sum or difference.

1x+10

When the term has a coefficient of 1, it doesn't have to be written.

x+10

Hope this helps :)

5 0
2 years ago
Transform the following formulas as indicated.
s344n2d4d5 [400]
Is there a problem equation?
5 0
3 years ago
Is 2000 ib greater than 1 T
marin [14]

Answer:

no its =

Step-by-step explanation:

3 0
3 years ago
2x2+3x−12, when x=5
lianna [129]
7
Is right I don’t know what the other answer did
5 0
3 years ago
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