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Ann [662]
4 years ago
9

QUESTION 8 Write an inequality to represent the real-world problem. Then explain how you created the inequality. You have caviti

es and you are looking for a cheaper dentist. Dentist A costs $50 for the visit and $20 per cavity. Dentist B costs $70 for the visit and $5 per cavity. When would Dentist B be cheaper than Dentist A?
Mathematics
1 answer:
Marizza181 [45]4 years ago
6 0

Answer:

I can give you alittle head start. I hope it kinda helps.

Step-by-step explanation:

Dentist A: 50 + 20x

Dentist B: 70 + 5x

It cost 20 more dollars for the visit and 15 dollars less for each cavaty at Dentist B.

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Which of the following is a perfect square trinomial ? PLEASE HELP!!!!!!!!!!!!!!!!!
zepelin [54]

Answer:

The answer is C. 16x² - 56xy + 49y²

Step-by-step explanation:

A perfect square trinomial is the result of a squared binomial, the perfect square trinomial would be a² + 2ab + b², as that is what you get when you expand the brackets.

6 0
3 years ago
Two equations are given below: a – 3b = 9 a = b – 3 What is the solution to the set of equations in the form (a, b)?
Vilka [71]
A-3b=9
a=b-3

b-3-3b=9
-2b-3=9
-2b=12
2b=-12
b=-6

a=-6-3
a=-9

Solution: (-9,-6)
----
Check: 
-9=-6-3
-9=-9
TRUE


7 0
3 years ago
Read 2 more answers
How many kilograms of tin will be required to make 250 kg of an alloy, if the alloy must contain 81% copper, 14% tin and 5% lead
uysha [10]

Answer:

35

Step-by-step explanation:

all are obeying a constant ratio

  • copper 81
  • tin 14⇒?
  • lead 5
  • total 100 ⇒250
  • ?=250*14/100=35
5 0
3 years ago
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6 to the second power ÷ [(4.3×3)+5.1]
Black_prince [1.1K]
2 is the answer
That’s the answer.
8 0
3 years ago
Which equation is solved for the variable h? v=by/3
max2010maxim [7]
The equation is given as: v=by/3 but it is actually <span>v=bh/3
</span><span>
Ans, now, we need to solve this for variable h.

So, </span>v=bh/3
On cross multiplying, we get,
3 × v = bh
On dividing the complete equation by "b" we get,
(3×v) / b = (bh)/b 

or  (3×v) / b = h

Thus, the value of h is : 3v/b 
8 0
4 years ago
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