Answer:
d = 6
Step-by-step explanation:
The nth term of an arithmetic sequence is
= a₁ + (n - 1)d
where a₁ is the first term and d the common difference
Given a₄ = 23 and a₁₁ = 65 , then
a₁ + 3d = 23 → (1)
a₁ + 10d = 65 → (2)
Subtract (1) from (2) term by term to eliminate a₁
10d - 3d = 65 - 23
7d = 42 ( divide both sides by 7 )
d = 6
Answer:
11
Step-by-step explanation:
all u need to do is to cube root 1331, because it is a cube. hope i helped.
Answer: C. 18 2/3cm
Explanation:
Area of rectangle = length x width
After you set up the fractions:
96/30 x 175/30
= 16800/900
= 18.666e
= 18 2/3
Answer:
50°
Step-by-step explanation:
The missing angle is an exterior angle
The formula says, that the sum of the two apposite adjacent angles inside the triangle equals two the exterior angle.
So 30° + 20° = 50°
The missing angle is 50°
If my answer is incorrect, pls correct me!
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-Chetan K
