Solve by substitution. We begin by manipulating the second equation (solving for y).
2x+3y=13
4x-y=-2 => -y=-4x-2 => y=4x+2
Now substitute "4x+2" for y into the first equation because y=4x+2.
2x+3y=13 becomes 2x+3(4x+2)=13
Now solve for x.
2x+3(4x+2)=13
2x+12x+6=13
14x=7
x=1/2
Now we can solve for y because we know what x is.
y=4x+2 => y=4(1/2)+2 = y=4
answer: x=1/2, y=4, intersection point (1/2,4)
9514 1404 393
Answer:
b. 17°
Step-by-step explanation:
All of the angles are 2nd-quadrant angles except 17°, which is a 1st-quadrant angle.
17° is the odd angle
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When you compute ...
mod(angle, 360), you get 163, 17, 163, 163.
Answer:
(3x+1)(3x+4)
Step-by-step explanation:
For a polynomial of the form
ax2+bx+c,
rewrite the middle term as a sum of two terms whose product is
a⋅c=9⋅4=36
and whose sum is
b=15.
Answer:
Los lados opuestos tienen la misma longitud y los ángulos opuestos tienen la misma medida. Para encontrar el área de un paralelogramo, multiplica la base por la altura. La fórmula es: A = B * H donde B es la base, H es la altura y * significa multiplicar.
Step-by-step explanation: