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Marta_Voda [28]
2 years ago
12

Select The decimal that is equivalent to 7/8

Mathematics
1 answer:
tatuchka [14]2 years ago
8 0

Answer:

0.875

Step-by-step explanation:

look at the fraction as a division problem

8÷7

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Question: Antonio is working with a new geometric series generated by the equation A(n)=20(1.1)^n-1.His sister challenged him to
Mekhanik [1.2K]

Answer:

sum of 22nd = 1,428.05

sum of 23 to 40 is 932.53

Step-by-step explanation:

A(n)=20(1.1)^n-1

20 is the first term or a1

1.1 is the common ratio or r

A(22) = 20(1.1)^22-1

22nd term = 20(1.1)^21

22nd term = 148.00

sum of geometric sequence

formula

Sn = a1(1-r^n)/1-r

Sn = sum

a1 = first term

n = number of term

r = constant ratio

sum of 22nd = 1,428.05.

23 to 40 is 17 terms

Sequence: 23, 25.3, 27.83, 30.613, 33.6743, 37.04173, 40.745903 ...

The 17th term: 105.684378686

Sum of the first 17 terms: 932.528165548

socratic

miniwebtoolcomgeometricsequencecalculator

6 0
2 years ago
Solve by taking the square root of both sides 3(x-1)^2-162=0
Natali5045456 [20]
We know that: <span>3(x-1)^2-162=0
or (x-1)</span>²= 162:3
and (x-1)²= 54
we <span>take the square root of both sides 
* x-1=</span>√54= 3√6 or x=1+3√6
* x-1= -<span>√54= -3√6 or x=1-3√6
This equation has 2 solutions</span>
7 0
3 years ago
Read 2 more answers
Round 80531 to the nearest thousand.
Iteru [2.4K]
That would be 8,1000
6 0
3 years ago
Read 2 more answers
How many cubes would you use to make the structure above/below
loris [4]
The answer is 17 cubes.
I drew lines to make cubes so I could see it better 
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3 years ago
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PLEASE HELP I WILL GIVE BRAINIEST.
Dafna1 [17]

Answer:

B

Step-by-step explanation:

3 0
2 years ago
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