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frozen [14]
3 years ago
9

Solve the system of linear equations below. X + y = 4 2x + 3y = 0 A. X = -6, y = 2 B. X = -1, y = 5 C. X = 11 5 , y = 9 5 D. X =

12, y = -8
Mathematics
2 answers:
goblinko [34]3 years ago
5 0

Answer:

Correct Answer :

(27/2, 3/2)

Step-by-step explanation:

The centre of the circumscribing the quadrilateral whose sides are 3x+y=22, x-3y=14 and 3x+ y=62 is

A.  (3/2, 27/2)

B.  (27/2, 3/2)

C.  (27, 3)

D.  (1, 2/3)

View Answer   "

The roots of the equation a(b-c) x2+b(c-a)x +c(a-b) =0 are

The distance of (1, -2) from the common chord of x2 + y2 – 5x + 4y – 2 =0 and x2 + y2 – 2x + 8y + 3 =0

If [(3x+4)/(x2-3x+2)]=[A/(x-2)]+[B/(x-1)] then (A,B)=

The value of (λ > 0) so that the line 3x – 4y =λ may touch the circle x2 + y2 -4x -8y -5=0 is

1+[(1/2).(3/5)]+[(1.3/2.4)(3/5)2]+[(1.3.5/2.4.6)(3/5)3]+-------∞=

alisha [4.7K]3 years ago
3 0
X+y=4, so 2x+2y=8, 2x+3y=0, (2x+3y)-(2x+2y)=y, 0-8=-8, so y=-8. plug y=-8 in, x=12
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Simplify (3x+8)(x+1) using a table, the Distributive Property, and the FOIL
Diano4ka-milaya [45]
Foil method:
FOIL stands for
first-multiply the first term in each set of parenthesis
outer-multiply the outer term in each of the perenthesis
inner- multiply the inner term in each of the parenthesis
last- multiply the last term in each of the parenthesis
(3x+8)(x+1)
(3x*x)=3x^2
(3x*1)=3x
8*x=8x
8*1=8
thus we shall have:
3x^2+3x+8x+8
=3x^2+11x+8

Distributive property:

(3x+8)(x+1)
3x(x+1)+8(x+1)
3x^2+3x+8x+8
=3x^2+11x+8

Both methods are efficient, it all depends with the users preference
7 0
3 years ago
2. The following triangle is an isosceles triangle. What is the length of the missing side? ? 11 in. 37 ? 4 in. 11 in 37° 4 in 5
Anna35 [415]

An ISOSCELES triangle has two sides equal, and two base angles are also equal.

The two sides on the left and the right are equal. The right side measures 11 inches, therefore the left side also measures 11 inches.

The correct answer option is 11 inches

3 0
1 year ago
What is the value of in e^4<br>a) 0<br>b) 1<br>c)2<br>d)4​
Rina8888 [55]

Answer:

0

Step-by-step explanation:

5 0
3 years ago
Solve for y<br>7y + 9 - 10y = -18<br>What is y simplify your answer as much as possible.
Tpy6a [65]
Y = 9

7y - 10y = -3y
bring down the 9 = -18 so

-3y + 9 = -18

9 - 9 = 0
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- 3y ÷ - 3 = y
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7 0
3 years ago
Please help im lost..
Hatshy [7]

Answer:

c

Step-by-step explanation:

3 0
3 years ago
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