C(-2,-1), K(8,3) find distance between each pair of points

Answers

Answer 1

Answer: D=square root sign (x2-x1)^2+(y2-y1)^2
If u need help plugging the numbers in lmk.

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8 points on this WUESTIONNNNNNNNNN

Line A is represented by the following equation:x + y = 2

What is most likely the equation for line B so the set of equations has no solution? (4 points)

x + 2y = 2
2x + 2y = 4
2x + y = 2
x + y = 4

Answers

Line A : x + y = 2

The most likely equation for line B so that the set of equation has no solution is:

x + y = 4

====

x + y = 2
x = 2 - y

2-y + y = 4
0 = 4 - 2
0 ≠ 2

there is no value for x nor y. so, no solution.

Answer:

2x+2y=4

Step-by-step explanation:

Your fuel expense for last year was $800.00. This year it was $960.00. What was your percent of increase? A. 20%
B. 18%
C. 15%
D. 23%

Answers

Your fuel expense last year is said to be 800 dollars. That's for your annual total. Now, this year, It increased to 960 dollars. Maybe the fuel gets price increased. Anyways, we need to solve for the percentage increased of your fuel price from last year to this year. => 960 dollars - 800 dollars = 160 dollars=> 160 dollars / 800 dollars = 0.2 => 0.2 * 100% = 20% is the increased of your fuel expense.

If you would like to know what was the percent of increase, you can calculate this using the following steps:

x% of $800.00 is $960.00
x% * 800 = 960
x/100 * 800 = 960
x * 8 = 960 /8
x = 960 / 8
x = 120%

120% - 100% = 20%

The correct result would be A. 20%.

Solve the simultaneous equation, 5x=2y+1 2x-3y+4+0

Answers

Hello,

I suppose the 2th equation is 2x-3y+4=0

5x-2y=1 ........|*2 | *3
2x-3y=-4....... |*(-5) | *-2
==> -4y+15y=2+20==>11y=22==>y=2
and 15x-4x=3+8 ==>11x=11 ==>x=1
Proof:

5*1=? 2*2+1 yes
2*1-3*2+4=? 0 yes (linear combinaison method)

Solve: (6x^3 - 1x^2 + 1) divided by (2x + 1)a. -3x^2 + 2x -1
b. 3x^2 - 2x + 1
c. -3x^2 + 2x - 1
d. 3x^2 2x - 1

Answers

The Simplified answer would be b. 3x^2 - 2x + 1

Which statements are true about the function -x + y = -2

Answers

Answer:

a, b, d

Step-by-step explanation:

y = x - 2

(a) The y-intercept is ( - 2)

(b) The x-intercept is 2

(d) The graph of the function ....

Solve the system of equations.2.5y + 3x = 27
5x – 2.5y = 5

What equation is the result of adding the two equations?

What is the solution to the system?

Answers

If you put them together, +2.5y and -2.5y neutralize themselves while 5x and 3x become 8x.

2.5y + 3x = 27
5x – 2.5y = 5

8x = 32
x = 4

2.5y + 3x4 = 27
2.5y + 12 = 27
2.5y = 27-12
2.5y = 15
y = 15/2.5
y = 6

X = 4
Y = 6

Answer:

x=4 Y=6

Step-by-step explanation:

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