Answer:
1: D
2: B
3: y=-4x+22
4: y=-8x+26
Step-by-step explanation:
1: Parallel lines have the same slope, and the only one with a slope of 3x is D
2: Perpendicular lines have an opposite slope, so a line with a slope of -1/2 would be 2, so you just flip the number and add or take away a negative sign, depending on the original slope
3: Like I said before, perpendicular lines have an opposite slope, so the slope would be -4. After you've figured that out, you just plug in the numbers given to you (and remember, x is first, y is last)
Plug in: 6=-4(4)+b
You would then solve for b.
6=-16+b
22=b
Then plug that into y=mx+b, with m being the slope (-4) and b being the y intercept (22)
4: The process for finding parallel and perpendicular lines is very similar, except you don't have to change the slope.
Plug in: 10=-8(2)-b
10=-16+b
26=b
Again, plug that into the equation y=mx+b
Hope I could be of help! Sorry if it doesn't make sense, this is my first time on this website.
Answer:
7/6,
999/2,
123/4
Step-by-step explanation:
As long as the numerator is bigger than the denominator, the fraction will be greater than 1.
Answer:
whole circle on the 5, arrow facing the left
64= 2.5x
64/2.5=
25.6 ounces is the weight of a case
First: solve the expressions
(a) 50% of 20= (.50*20)=10
(b) 30% of 90= (.30*90)=27
(c) 25% of 80= (.25*80)= 20
Next: use substitution
(a) 2(10)=(27) (this is not true)
(b) (27)-(10)=(20) (this is not true)
(c) (10)+(20)=(27) (this is not true)
(d) 2(10)=(20) (this is true)
Your answer is D. Hope this helps :)
