Solve this please, I can't understand the question, so the answer with the working would be appreciated.
1 answer:
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Answer:
16 square meters
Step-by-step explanation:
I think your question is missed of key information, allow me to add in and hope it will fit the original one. Please have a look at the attached photo.
My answer:
As we know the surface area of a square pyramid is:
SA = + (2 × a × s), where a is the base length and s is the slant height.
Given information in the photo,
The base area of the square pyramid: =
= 4 square meters
The slant height is 3 meter, so the area of the 4 sides: (2 × a × s) = 2*2*3 = 12
=> the surface area of the square pyramid is: The base area + the area of the 4 sides
= 4 + 12
= 16 square meters
<u>Answer:</u>
A. y = -2 - cos(x-π)
<u>Explanation:</u>
<u>The general form of the trig equation is:</u>
y = A sin (Bx + C) + D
where:
A is the amplitude
is the period
is the phase shift
D is the vertical shift
<u>Now, let's check the choices:</u>
<u>A. y = -2 - cos(x-π)</u>
Therefore, the function has a phase shift of π
<u>B. y = 3 cos(4x)</u>
Therefore, the function has no phase shift
<u>C. y = tan(2x)</u>
Therefore, the function has no phase shift
<u>D. y = 1 + sin(x)</u>
Therefore, the function has no phase shift
<u>Based on the above,</u> the correct answer is A
Hope this helps :)