Answer:
906 inches³
Step-by-step explanation:
The volume of a triangular pyramid = 1/3 (area of base) × h
area of the base = 1/2 × 19 × 13 = 123.5 inches²
v = 1/3 × 123.5 × 22 = 905.666... ≈ 906 inches³
The volume of the triangular pyramid is 906 inches³
Hope this helps!
Answer:
1 + 4x = ?
Step-by-step explanation:
You need the value of X to solve this.
First add 3x and x and you get 4x
Then multiply the value of x by 4 and add 1 to that and that's the answer.
Alright! First you'd have to subtract the flat fee of the mug which is $8.95, then you'd have to divide by the rate which is $1.50. Your equation would be:
(26.95 - 8.95) ÷ 1.50 = r
Then you solve using your head.. lol.
(26.95 - 8.95) = 18.
(18 ÷ 1.50) = 12.
R = 12.
Hope this helps :).
Step-by-step explanation:
Use the angle difference formula for cosine.
cos(α − β) = cos α cos β + sin α sin β
cos(180° − θ) = cos 180° cos θ + sin 180° sin θ
cos(180° − θ) = (-1) cos θ + (0) sin θ
cos(180° − θ) = -cos θ
