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zepelin [54]
3 years ago
15

O custo mensal de um carro depende diretamente da kilometragem percorrida. Um motorista observou um gasto de R$380,00 para dirig

ir 480km em maio e um custo de R$460,00 para dirigir 800km no mês de junho.
a) Expressa o custo mensal C como uma função da kilometragem percorrida x, assumindo que uma relação linear descreve bem o problema.
Mathematics
1 answer:
Tresset [83]3 years ago
6 0
<span>a) Expressa o custo mensal C como uma função da kilometragem percorrida x, assumindo que uma relação linear descreve bem o problema.</span>
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3 years ago
A certain kind of animal weighs about 75 pounds at birth and gains about 2 pounds per day for the first few weeks. Determine tho
Elodia [21]
<h3>Answer:</h3>

25

<h3>Step-by-step explanation:</h3>

Let w represent the weight of the animal in pounds, and d the age in days. The problem statement tells us ...

... w = 75 +2d

We want to find d when w > 125.

... 75 +2d > 125 . . . . . substitute the above expression for w

... 2d > 50 . . . . . . . . . subtract 75

... d > 25 . . . . . . . . . . . divide by 2

The animal will weigh more than 125 pounds when it is more than 25 days old.

4 0
3 years ago
Order the following list of numbers from least to greatest <br>V35, 5.7, 17/3, 5.83<br>​
irina1246 [14]

Answer:  

17/3, 5.7, 5.83, √35.

Step-by-step explanation:

√35, 5.7, 17/3, 5.83

√35 = 5.916

5.7 = 5.700

17/3 =  5.667

5.83 = 5.830.

So the answer is  17/3, 5.7, 5.83, √35.

​

8 0
3 years ago
At a craft festival tuan spend $12 for food $19.50 for a small painting and $6 for a straw hat tuan had left $4 how much did tua
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3 years ago
76 people left before the movie ended 124 people remained how many people were in the theater when it was full 
andre [41]

Answer:

Step-by-step explanation:

124 + 76 = 200 ☺

8 0
2 years ago
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