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3 years ago

The bill at a restaurant is $60. The tip is 18% and tax is 7%. How much is the total bill?

1 answer:

8 0

Well, you would multiply the tip by the original bill, which is 10.80 and then add that to the bill which is going to be $70.80.
Next for the the tax you would multiply 7 by 60, which is $4.20 in tax
Lastly you just add the tax and the tip to the bill which equals.
$75.00

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The third term of the sequence is 120. The fifth term is 76.8 The explicit rule for the geometric sequence is an=?(?)n-1

gulaghasi [49]

Answer:

The explicit rule of the geometric sequence

aₙ = 187.5 (0.8)ⁿ⁻¹

Step-by-step explanation:

Step(i):-

Given that the third term of the sequence = 120

tₙ = a rⁿ⁻¹

t₃ = a r³⁻¹ = ar²

120 = ar² ..(i)

Given that the fifth term of the given geometric sequence = 76.8

tₙ = a rⁿ⁻¹

t₅ = a r⁵⁻¹ = a r⁴

76.8 = a r⁴...(ii)

Step(ii):-

Dividing (ii) and (i)

$\frac{ar^{4} }{ar^{2} } = \frac{76.8}{120}$

r² = 0.64

r =√ 0.64 = 0.8

Substitute r= 0.8 in equation (i)

120 = ar²

120 = a(0.8)²

⇒ $a = \frac{120}{0.64} =187.5$

Step(iii):-

The explicit rule of the geometric sequence

aₙ = a rⁿ⁻¹

put a= 187.5 and r = 0.8

aₙ = 187.5 (0.8)ⁿ⁻¹

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3 years ago

which of the following would represent a line in the real world? an airplane a sheet of paper a pencil the internet

lubasha [3.4K]

the answer is pencil.

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4 years ago

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Which of the following correctly

ikadub [295]

Answer: 0.075, 0.75%, 3/4

Step-by-step explanation:

3/4 and 0.75% are the same value but expressed in different ways. 0.0075 is less than them.

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4 years ago

In a week, 15 hens laid 75 eggs. what is the unit rate for eggs per hen?

yarga [219]

75 divided by 15 is 5. 5 eggs per hen

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4 years ago

Matthew is making a sequence in which -3 is added to each successive term. The 6th term in his sequence is -1. What is the 1st t

Hatshy [7]

Answer:

The first term is 14.

Step-by-step explanation:

The general formula for this kind of sequence (arithmetic) is a(n) = a(1) + (n-1)c, where c is the common difference. Here, we have a(6) = -1 = a(1) + (6-1)(-3), or -1 +15 = a(1). The first term is 14.

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3 years ago