Answer: 14.5
Step-by-step explanation:
The way calculate the volume is l*w*h, 3 times 5 times 7 is 105
Answer: D. 105 km^3
Answer: 6.416%
Step-by-step explanation:
The percentage error formula is given by :-
Given : The estimated weight of a substance = 475 mg
The actual weight of the substance = 445 mg
Then,
Hence, the percentage error in the first weighing. = 6.416%
Answer:
Step-by-step explanation:
69 + 15h = 39h
69 = 39h - 15h
69 = 24h
69/24 = h
2.875 hrs <======
69 + 15(2.875) = 39(2.875)
69 + 43.125 = 112.125
$ 112.125 = $ 112.125 <====
I didn't round anything.
Answer:
Step-by-step explanation:
since you are learning about similar triangles... i'd guess that some where of the picture.. there is some words that say, that the two smaller triangles are the same, similar , congruent.. so that we can just add up angles 1 + 2 or
13 + 13 = 26 °