<span>an = 4 + (n - 1)
(7)
a1 = 4 + (1-1)*7 = 4
a2 = 4 + (2-1)*7 = 4 +
<em>7
</em></span>
<span>
7 is common difference of arithmetic sequence.
</span>
Answer:
-6
Step-by-step explanation:
Took the quiz and got it right
Answer:
19.61505096...
Step-by-step explanation:
Area in a circle is pi(ratio)squared
Circumference is pi multiplied by diameter
Ratio is half of diameter
15.7 divided by pi is roughly 5 (4.997465213 to be exact)
Half of 5 is 2.5
pi(2.5)squared is 19.61505096...
Answer:
Step-by-step explanation:
Seperate it into two pieces;
Piece 1, base of 2, height of 9
Piece 2, base of 8, height of 5.
Area of Piece 1:
A = bh
A = 2 (9) = 18
Area of Piece 2:
A = bh
A = 8 (5) = 40
Add the areas of both pieces:
18 + 40 = 58 m2
Answer:
<h3>
x=60</h3>
Step-by-step explanation:
5=k×
k=180
3=180×
x=60
