Answer:
-7
Step-by-step explanation:
(4+3)x(4-3)
4+3=7
4-3=-1
7x-1= -7
Answer:
20.78
Step-by-step explanation:
sin a = perpendicular/ hypotenuse
where a is the base angle
here a = 60
sin 60 = 18/ x
since,
√3 x = 36
x = 36/ √3
x = 36/ 1.732
x = 20.78
Answer:
Correct options are A,B,D:
- The sample needs to be random, but we don't know if it is.
- The actual count of community residents who received the concert brochure by mail is too small.
- n(1 minus p‐hat) is not greater than 10.
Step-by-step explanation:
Concert marketing: The college’s performing arts center wanted to investigate why ticket sales for the upcoming season significantly decreased from last year’s sales. The marketing staff collected data from a survey of community residents. Out of the 110 people surveyed, only 7 received the concert brochure in the mail.
Answer:
375 cm2
Step-by-step explanation
The surface area formula for a triangular prism is 2 * (height x base / 2) + length x width1 + length x width2 + length x base, as seen in the figure below:
A triangular prism is a stack of triangles, so the usualy triangle solving rules apply when calculating the area of the bases.
