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Yuri [45]
3 years ago
10

The price of a visit to the dentist is $50 . If the dentist fills any cavities, an additional charge of, 100$ per cavity gets ad

ded to the bill.
If the dentist finds cavities, what will the cost of the visit be?
Write your answer as an expression.
Mathematics
2 answers:
frozen [14]3 years ago
6 0
The cost of the visit to the dentist can be expressed as the cost equals 100x+50.

The initial cost of the appointment would be $50; no matter how many cavities one has, they would still have to pay $50.

The cost of each cavity is represented as 100x, because each cavity costs $100. x represents the number of cavities, as we do not know how many cavities there are.
Tasya [4]3 years ago
4 0

Answer:

50+100x=?

Step-by-step explanation:

50 is the amount of money it is for a visit and the x represents how many cavities are being filled and the 100 is for how much it is per cavity to be filled.  For example if you needed 3 cavities filled then it would be 50+(100x3).

(Btw sorry if the equation for the step-by-step explanation is incorrect)

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Calculate the a) future value of the annuity due, and b) total interest earned. (From Example 2)
vredina [299]

Answer:

  • value: $66,184.15
  • interest: $6,184.15

Step-by-step explanation:

The future value can be computed using the formula for an annuity due. It can also be found using any of a variety of calculators, apps, or spreadsheets.

__

<h3>formula</h3>

The formula for the value of an annuity due with payment P, interest rate r, compounded n times per year for t years is ...

  FV = P(1 +r/n)((1 +r/n)^(nt) -1)/(r/n)

  FV = 5000(1 +0.06/4)((1 +0.06/4)^(4·3) -1)/(0.06/4) ≈ 66,184.148

  FV ≈ 66,184.15

<h3>calculator</h3>

The attached calculator screenshot shows the same result. The calculator needs to have the begin/end flag set to "begin" for the annuity due calculation.

__

<h3>a) </h3>

The future value of the annuity due is $66,184.15.

<h3>b)</h3>

The total interest earned is the difference between the total of deposits and the future value:

  $66,184.15 -(12)(5000) = 6,184.15

A total of $6,184.15 in interest was earned by the annuity.

3 0
2 years ago
Read this excerpt from Dean Caymans on becoming an inventor I had just finished making a complicated piece of equipment that was
miskamm [114]

Answer:

its c

Step-by-step explanation:

The show received poor reviews from the critics.

6 grader anwserd

8 0
3 years ago
Use the inverse of the function y = x2 − 18x to find the unknown values.
Lerok [7]

ANSWER

b=1, c=81, and d=9.

EXPLANATION

The given function is:

y={x}^{2}-18x

This function is the same as:

y={(x - 9)}^{2}-81

To find the inverse of this function, we interchange x and y.

x={(y-9)}^{2}-81

Solve for y:

x+81={(y- 9)}^{2}

Take square root of both sides:

\pm \sqrt{x + 81}=y-9

y=\pm \sqrt{x + 81}+9

Hence,

b=1, c=81, and d=9.

7 0
3 years ago
Read 2 more answers
In how much time will ₹1200 amount to ₹1680 at 16% per annum simple interest.​
SVETLANKA909090 [29]

Answer:

formula- p*r*t/100

si = a-p

1680-1200

that is 480 rupees.

now when si is given,

si*100/1200*16

= 480*100/1200*16

= 48000/19200

= 2.5 yrs

4 0
3 years ago
What is the solution of x-4&gt;3
Gnoma [55]
X - 4 > 3
x - 4 + 4 > 3 + 4
x > 7

solution: x must be greater than 7
6 0
4 years ago
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