Answer: B
Step-by-step explanation: The product of x and y, xy, is always a constant value, that being 60.
The room increases 0.5°F every minute
How?
in 10 minutes the room increased from 65° to 70°
that means in 5 minutes the room increased from 65° to 67.5°
that's a 2.5° increase and if you divide that by 5 your get how much it increases by 1 minute; which is 0.5°
Answer:
Yes, it represents a function
Step-by-step explanation:
Doing the vertical line test, no point goes through the vertical line twice
Answer:
Length of side AB = 5.6 cm
Step-by-step explanation:
From the figure attached.
In right triangle ABC,
m∠ABC = 62°
m(BC) = 12 cm
By applying Cosine rule in this triangle,
Cos62° =
Cos62°=
0.46947 =
AB = 12 × 0.46947
AB = 5.63
≈ 5.6 cm
Therefore, length of side AB = 5.6 cm
Answer: the answer is C because it is the only one that matches with one pair on the table wich is (4,2)