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slava [35]
3 years ago
15

What is the common difference of the arithmetic sequence -7,-4x,-x,2x,5x

Mathematics
1 answer:
Usimov [2.4K]3 years ago
3 0

Answer:

-7 — -4=-3

so the common diff.

-3.

Step-by-step explanation:

hopr helps

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An electronics store reduced the price of a TV from $1200 to $1068. What was the percent of decrease? (please explain the formul
elena-s [515]
You take the difference so 1200-1068=132 and then you take the original divided by the difference so 1200/132 so it would be 9.09%
6 0
3 years ago
Can someone please help me.
Katena32 [7]
Given 
- f(n) values for n=1,2,3,4
- possible candidates for the function

Solution:
Method: Evaluate some of the values, for each function.  A function with ANY value not matching the given f(n) values will be rejected.

N=1, f(n)=4
f(1)=4-3(1-1)=4
f(1)=4+3^(1+1)=4+3^2=4+9=13 ≠ 4   [rejected]
f(1)=4(3^(n-1))=4(3^0)=4
f(1)=3(4^(n-1))=3(4^0)=3*1=3  [rejected]

N=2, f(n)=12
f(1)=4-3(2-1)=4-3(1)=1 ≠ 12   [rejected]
[rejected]
f(1)=4(3^(2-1)=4*3^1=4*3=12
[rejected]

Will need to check one more to be sure
N=3, f(n)=3
[rejected]
[rejected]
f(3)=4(3^(n-1))=4(3^(3-1))=4(3^2)=4*9=36   [Good]
[rejected]

Solution: f(n)=4(3^(n-1))










6 0
3 years ago
6. What equation would you use to solve for x?*
postnew [5]
Tan70=x/6
Opposite over adjacent
4 0
2 years ago
What is the fraction of 35%
Tanzania [10]
Percentage is out of a 100. Therefore, 35/100
Simplify 35/100
Becomes 7/20
Fraction of 35% is 7/20
5 0
3 years ago
Read 2 more answers
The commission on the sale of a property is 4.5% of the value. What is the commission on the sale of a property that has a value
Lilit [14]

Answer:

$877.50

Step-by-step explanation:

1. Multiply the value by the percentage.

19,500 x 4.5% = $877.50

This is the amount of the commission.

6 0
3 years ago
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