Answer:
cosR = 
Step-by-step explanation:
assuming the right triangle has ∠ Q = 90° with legs 5 and 12
then this is a 5- 12- 13 right triangle with hypotenuse PR = 13 cm
then
cosR =
=
= 
Answer:
A=a+b
2h=20+8
2·20.4≈285.6
Step-by-step explanation:
Answer:
B) 0, 4, 8, 12
Step-by-step explanation:
If you buy no pumpkins is costs $0. If you buy one pumpkin it costs $4. If you buy two pumpkins it costs $8. If you buy three pumpkins it costs $12.
Answer:
7/1000
Step-by-step explanation:
1 m = 1000 mm
Therefore,
Scale factor = 7/1000