X = -10
Y = 8
2 X + 3 Y = 4 ---- (i)
5 X + 4 Y + 13 = 0 ---- (ii)
rearranging eqn (ii), we have
5X + 4Y = -13 ----- (ii)
multiply eqn (i) by 5 and eqn (ii) by 2
10X + 15Y = 20 ---- (iii)
10X + 8Y = -26 ---- (iv)
subtracting eqn (iv) from (iii), we have
10X - 10X + 15Y - 8Y = 20 - (-26)
0 + 7Y = 20 + 26
7Y = 56
Y = 56/7
Y = 8
Substituting Y into eqn (i), we have
2X + 3Y = 4
2X + 3(8) = 4
2X + 24 = 4
2X = 4 - 24
2X = -20
X = -20/2
X = -10
=12-5=7
=21-12=9
when u look at they have a diffrence of 2 so the answer will have a diffrence of 2 =11
Answer:
the lateral surface area of a cone is 35π inches^2
Step-by-step explanation:
Given that
The diameter is 7 inches
And, the slant height is 10 inches
We need to find out the lateral surface area of the cone
We know that
The Lateral surface area of the cone is
= πrl
= π × 7.5 ÷ 2 × 10
= 35π inches^2
Hence, the lateral surface area of a cone is 35π inches^2
Answer:
i just know you can have 12 gallons of gas
Step-by-step explanation:
because it is 3x2=6
3x10=30 which means 10+2=12
Answer:
Yes
Step-by-step explanation:
2x/2=x
2/2=0
2(x-2)
2x-2
2x/2=x
2/2=0
which makes them equivalent