Answer:
x = 36.3°
using tane rule:
Here!
- x = missing angle
- opposite = 22
- adjacent = 30
=============
( rounded to nearest tenth of a degree)
How much is a 15% tip for a meal costing $25?
2 answers:
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<u>Answer:</u>
$50 and $115
<u>Step-by-step explanation:</u>
We know that,
the sum of the two rates = $165 per hour
Let x and (165 - x) represent the $/hour of the 15hr and 5hr mechanics respectively.
Then combining their charges together to get:
Solving for x to get:
So the rate charged per hour by one mechanic is $50 and for the other mechanic = $115.
Answer: 2.46
Step-by-step explanation:
Formula for x-score is given by :-
, where = Sample mean ,
= population mean,
= population standard deviation, n= sample size.
As per given , n=10
= $29,056
= $3,339
= $31,650
Then,
Hence, the z-score = 2.46