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Fed [463]
3 years ago
9

What sequence is geometric and has 1/4 as it's fifth term and 1/2 as the common ratio?

Mathematics
1 answer:
iogann1982 [59]3 years ago
3 0
Use
a(i)=a1*r^(i-1)
we know that a(5)=a1*(1/2)^(5-1)=a1/16 = 1/4
solve for a1=(1/4)*16=4
=>
sequence: 
4,2,1,1/2,1/4,1/8,1/16,...
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What is the volume of a box that will hold exactly 567of these cubes with 1.3 inch side
Bas_tet [7]

Answer:

21 inch cube

Step-by-step explanation:

(1/3)(1/3)(1/3)=1/27 is the volume of the cube

 the volume of the box : 567*(1/27)=567/27=21

5 0
3 years ago
Please help me!!!!!!!
hram777 [196]
Let's draw the diagonals of the square. The square is being divided by 4 right triangles. & these right triangles are also isosceles (the diagonals of a square intercepts each other in the middle).
The area of each right triangle = (6 x 6) / 2 = 18 yard² & the 4 right triangles => 4x 18 = 72 yd²
3 0
3 years ago
Answer me please now
Anna35 [415]

Answer:

1. $8.

2. 48 counters.

Step-by-step explanation:

1. A pair of socks cost 20 - 2(6)

= $8.

2. let the number of counters in Box A and Box be be x.

Then the number of counters in Box B after the transfer is x + 1/2 x.

x + 1/2 x = 72

1.5 x = 72

x = 72 / 1.5

= 48.

4 0
3 years ago
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4 0
3 years ago
Find the lateral area and the total area of the prism.
Tems11 [23]
We have that

1) the lateral area---------------->  L=P*h
P=(3+3+3)   h=6
L=(3+3+3)*6=54 in²

the answer part 1) is the lateral area is 54 in²

2) the total area=------------- > S=P*h+2B
2B=2*[3*3/2]     P*h=54

S=2*[3*3/2]+54=63 in²

the answer part 2) is the total area is 63 in²
8 0
3 years ago
Read 2 more answers
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