y=2
Step-by-step explanation:
Make an equation of straight line by using the formula :y= mx+c
put the x-value of point (2,4) which is 2 and the gradient,m which is 2 into the straight line equation:
y=2x +c
So you need to find the y-intercept to complete the equation, therefore:
when y=0,
0=2(2)+c
c=-4
next the question ask to find the y-coordinate when x =3, therefore you just need to replace x in the equation with 3:
y=2(3)-4
y=4
Answer:
B
Step-by-step explanation:
To go from 6 to 9 you'd first have to divide 6 by 2 and the multiply by 3,
so 
x 3 = 
Well if they part that has 70 degrees is congruent to any other side it is 70 + 70 which equals 140 and 360 which is a complete circle minus 140 is 220 the missing angels are there fore 70 and 220 or if the angle isnt congruent then the other sides must be so what plus itself on top of adding 70 will get us 360. lets find out what 220 in half is since 220 and 70 equals 360. 110 is 220 in half so the sides missing on this could be 110 110
Answer:
The answer equals -8
Step-by-step explanation:
Order of Operations: BPEMDAS
FOIL - First, Outside, Inside, Last
Step 1: Write out expression
Step 2: Expand
Step 3: FOIL first 2
Step 4: Replace square roots with -2
-2(-2)(-2) = (-2)³ = 8
