Answer:
< 5, 3 >
Step-by-step explanation:
Under a counterclockwise rotation about the origin of 270°
a point (x, y ) → (y, - x ), thus
< - 3, 5 > → < 5, 3 >
Answer:
When x = 12, y = 4.
Step-by-step explanation:
If
y
∝
x
we can write that
y
=
k
⋅
x
where k is a constant of proportionality.
Using the values given:
6
=
18
⋅
k
⇒
k
=
1
3
y
=
1
3
⋅
12
=
4
Answer:
B!!!
Step-by-step explanation:
16. Answer: $2142.00
<u>Step-by-step explanation:</u>
2100 - 2100(0.15)
= 2100 - 315
= 1785
1785 + 1785(0.20)
= 1785 + 357
= 2142
**************************************************************
17. Answer: $283.25
<u>Step-by-step explanation:</u>
Let x represent the price of the glove before tax
x + x(0.165) = 329.99
1.165x = 329.99
<u>÷1.165 </u> <u>÷1.165 </u>
x = 283.25
**************************************************************
18. Answer: $0.25 per topping
<u>Step-by-step explanation:</u>
Choose any 2 points. I chose (2, 3.00) and (4, 3.50)
Use the slope formula to find the rate:
rate =
=
=