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V125BC [204]
3 years ago
9

(Extra points)

Mathematics
1 answer:
sleet_krkn [62]3 years ago
8 0
$18.37 is the cost of just the dinner. 

Add 6% of this as tax by either multiplying by dinner cost by 1.06 (to get dinner + tax)

For tip... If you calculate the 15% before, then you would add it together with the tax to get 21%, and then your answer would be calculated in the same way as just the tax. 

If you tip the amount after tax, then take your answer for the (dinner + tax) part and use the same method, but with 15%. 

(dinner + tax) x 1.15 = dinner, tax + tip 
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The lengths of a professor's classes has a continuous uniform distribution between 50.0 min and 52.0 min. If one such class is r
Lady bird [3.3K]

Answer: the probability that the class length is between 50.8 and 51 min is  0.1 ≈ 10%

Step-by-step explanation:

Given data;

lengths of a professor's classes has a continuous uniform distribution between 50.0 min and 52.0 min

hence, height = 1 / ( 52.0 - 50.0) = 1 / 2

now the probability that the class length is between 50.8 and 51 min = ?

P( 50.8 < X < 51 ) = base × height

= ( 51 - 50.8) × 1/2

= 0.2 × 0.5

= 0.1 ≈ 10%  

therefore the probability that the class length is between 50.8 and 51 min is  0.1 ≈ 10%  

5 0
3 years ago
What is 12/20 equivalent to
saveliy_v [14]
6/10
3/5
24/40
36/60
48/80
60/100
4 0
3 years ago
Read 2 more answers
Determine the value of w and x in the figure below. (Thanks for the help I really appreciate it!)​
storchak [24]
Triangle HAM looks like an isosceles triangle, and we know that in an isosceles triangle 2 of the angles are the same.

so :
180 - 106 = 74 ( sum of the other 2 angles )
74/2 = 37 ( sum of angle HMA / HAM )

angles on a straight line add up to 180.
180-37=143 ( angle x )

since triangle YMH is also an isosceles,
180-37=143
143/2=71.5 ( angle w )
7 0
3 years ago
3(x- 1) - 8 = 4 (1+ x) = +5
katrin [286]

Answer:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

x = 5 x = 4

Step-by-step explanation:

6 0
3 years ago
The circle passes through the point (-1,-6). What is its radius?
love history [14]

Answer:

the radius is something in math

3 0
3 years ago
Read 2 more answers
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