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3 years ago

If you want to leave an 18% tip for a waiter on a $54.35 meal, what would the total bill be?

Mathematics

2 answers:

Morgarella [4.7K]3 years ago

7 0

Answer:

54.35+$9.78=64.13

Step-by-step explanation:

54.35*.18=9.78

Hope this helps :)

Darya [45]3 years ago

6 0

Answer:

$64.13

Step-by-step explanation:

the tip would be added to the meal cost

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Beginning one month after birth of their son, Noah, the Nelsons deposited $100 each month in an annuity for his college fund. Th

gizmo_the_mogwai [7]

Answer:

$100 * (1 + 6.8%/12)^216 + $100*(1+6.8%/12)^215 + ... + $100*(1+6.8%/12)^1

Now note that

x + x^2 + x^3 + ... + x^N = x ( 1 + x + ... + x^(N-1) )

= x ( (x^N -1)/(x-1) )

Here, x = 1+6.8%1 = 1.00566666 and N = 216, so

$100 * ( 1.00566666 ( 1.00566666^216 -1) / 0.00566666 )

= $ 42398.33

The total interest earned is $42,398 - $21,600 = $20,798

Step-by-step explanation:

The generic formula used in this compound interest calculator is V = P(1+r/n)^(nt)

V = the future value of the investment

P = the principal investment amount

r = the annual interest rate

n = the number of times that interest is compounded per year

t = the number of years the money is invested for

8 0

4 years ago

Can you please help me answer questions 1-6 thank you

Veseljchak [2.6K]

3. Divide by 5
4. Add 12
5. Multiplying by -8
6.subtracting by -6

3 0

3 years ago

Read 2 more answers

A student is trying to solve the system of two equations given below: Equation P: a + b = 6 Equation Q: 4a + 2b = 19 Which of th

Marrrta [24]

Answer:

$-4(a + b = 6)$

Step-by-step explanation:

Given

$a + b = 6$

$4a + 2b = 19$

Required

Eliminate a

Multiply the first equation by -4

$-4(a + b = 6)$

Add to the second equation

$-4(a + b = 6) + (4a + 2b = 19)$

Solve brackets

$(-4a -4b = -24) + (4a + 2b = 19)$

Open bracket

$-4a + 4a -4b + 2b = -24 + 19$

$-4b + 2b = -24 + 19$

At this point, a has been eliminated;

From the list of given options, the option that answers the question is $-4(a + b = 6)$

8 0

4 years ago

Please help!

katovenus [111]

Answer: f(3.5) = 58.20

Step-by-step explanation:

Wow...what degree of exponent are we to assume?

I'll go with 2 as we are only given two exemplars.

f(x) = x² + Ax + B

f(- 2.5) = 9 = (-2.5)² + (-2.5)A + B

f(2.5) = 45 = (2.5)² + (2.5)A + B

we can subtract the first equation from the second

45 - 9 = 2.5² - (-2.5)² + 2.5A - (-2.5A) + B - B

36 = 5A

A = 7.2

45 = (2.5)² + (2.5)7.2 + B

B = 20.75

F(3.5) = 3.5² + 7.2(3.5) + 20.75 = 58.2

6 0

3 years ago

Can someone answer this please

strojnjashka [21]

the answer is 160 because 8 times 5 equals 40 times it by 4 equals 160

8 0

4 years ago