Answer:
B. $4.75
Step-by-step explanation:
3(4) + 7 = 19
19/4=4.75
Answer:
an + 1 = an + 2n -1 ,a 1=1
a8= 50
Step-by-step explanation:
an+1=an+2n-1,a1=1
a6=a5+2x5-1
a6=26
a7=26+11
a7=37
a8=37+13
a8=50
Answer:
40 ft²
Step-by-step explanation:
Let the length of the original rectangle be L and original Breadth be B
it is given that the original area is 5/8 ft²
i.e.
Original Length x Original Breadth = Original Area, or,
LB = 5/8 ft² ------------------(1)
Given that the dilation factor is 8,
Hence,
New Length = 8L and New Breadth = 8B
THerefore,
New Area = 8L x 8B
= 64 LB (from (1) above , we know that LB = 5/8 ft², substitute into expression)
= 64 (5/8)
= 40 ft²
The geometric mean of the numbers is 5.38
Given the values a, b, c and d
Geometric mean of the values will be expressed as:
GM = (abcd)^1/4
Given the values 4, 5, 6 and 7, the geometric mean will be expressed as:
GM = (4×5×6×7)^1/4
GM = (840)^1/4
GM = 5.38
Hence the geometric mean of the numbers is 5.38.
Learn more: brainly.com/question/23875011
