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Effectus [21]
3 years ago
15

Apply the elimination method to solve the system of equations 2x+6y=8 and 3x+2y=2 which three statements are correct

Mathematics
1 answer:
omeli [17]3 years ago
6 0

Answer: x= -2/7, y = 10/7

Step-by-step explanation: 1) 2x +6y = 8 and 2) 3x + 2y = 2

Multiply equation 2) by -3 and you get -9x -6y = -6.

Add together and sum is -7x = 2 and x= -2/7 then insert to eat, 2) value of x:

3·(-2/7) +2y = 2 and 2y = 2+ 6/7 2y = 20/7 and y = 10/7

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I need help now its due right now can anyone help me
cestrela7 [59]

Answer:

(2,-3)

Step-by-step explanation:

I thought you'd actually have to calculate it but I guess they just wanted to give you guys a graph lol

7 0
2 years ago
HELP! DUE IN A FEW HOURS
Alenkasestr [34]

Answer:

Options (C) and (E).

Step-by-step explanation:

Rotation is a rigid transformation in which size and shape of the figure and image remains the same.

That means angles and sides of the triangles given in the figure will remain same after the transformations given.

Since, the given triangle has been rotated about a point Z, each rotation will share the vertex Z.

And every figure is the transformed form of the given triangle, all four triangles will be congruent.

Options (C) and (E) are the correct options.

4 0
3 years ago
The sum of four consecutive even integer numbers is 84. find the four numbers.
vodomira [7]

84/4=21

 now take the 2 even numbers below 21 and the 2 even numbers above 21

18 +20 + 22 +24 = 84

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3 0
3 years ago
The side s of a square carpet is measured at 5 ft. Estimate using the Linear Approximation the maximum error in the area A of th
KonstantinChe [14]

Answer:

0.333 ft^2

Step-by-step explanation:

We are given that

Side of square carpet,s=5 ft

\Delta s=0.4 in=\frac{0.4}{12}ft

1 foot=12 in

We have to find the maximum error in the area of the carpet by using the linear approximation .

Area of square,A=(side)^2=s^2

dA=2sds

Substitute the values

dA=2\times 5\times \frac{0.4}{12}

dA=0.333ft^2

Hence, the maximum error in the area of the carpet=0.333 ft^2

4 0
3 years ago
Alexandria, a car dealer, earns 40% commission of her luxury vehicles sales. Last year, her sales were $480,000. What was the to
boyakko [2]

Answer:

192,000

Step-by-step explanation:

480,000x.40 =  192,000 commission.

6 0
3 years ago
Read 2 more answers
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