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morpeh [17]
2 years ago
9

the price of a visit to the dentist is calculated according to the formula 50+100n where n is the number of cavities the dentist

finds on your last visit to the dentist 2 cavities were found
Mathematics
2 answers:
wolverine [178]2 years ago
8 0
The cost would be $250
Delicious77 [7]2 years ago
6 0
You would plug the 2 into the place of the n. 50+100(2). the answer is 250.
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The present age of the father is twice the age of his daughter. Ten years ago, the
Elenna [48]

Answer:

<h3>           The father is 40 and the daughter is 20.</h3>

Step-by-step explanation:

x           -  the present age of the daughter

2x         -  the present age of the fathter  

x - 10          -  the age of the daughter ten year ago

2x - 10        -  the age of the fathter ten year ago

Father is older than his dauther, so:

2x - 10 = (x - 10) + 20  

2x - 10 = x - 10 + 20  

2x - 10 = x + 10              {subtract x from both sides}

x - 10 = 10                      {add 10 to both sides}

x = 20

2x = 2·20 = 40

6 0
2 years ago
Help quik
artcher [175]
The answer will be 1/40
4 0
3 years ago
Read 2 more answers
Bo
Elenna [48]
If you use the scientific notation to simplify these bigger numbers it will make it easier
7 0
3 years ago
When are x+3 and 2x equal? When are they not equal? Use your diagrams to explain.
Tanzania [10]
Yes hope this helps :)


4 0
2 years ago
Solve this equation by using the substitution method. Make sure you show ALL your work.
djverab [1.8K]

Step-by-step explanation:

substitute for y

x+3+4 = -6x

x+ 7 = -6x

7 = -7x

-1 = x

y = -1+3

y = 2

4 0
3 years ago
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