3 years ago

Find the explicit of 3xy+x=y-6

Mathematics

1 answer:

Over [174]3 years ago

5 0

Answer:

7 is the answer

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The average price of a gallon of milk is $3.31. If the price increases .88% each year , how much will a gallon of milk cost in 2

musickatia [10]

Answer:

$3.94

Step-by-step explanation:

You will need to use the compound interest formula for this.

$P(1+\frac{r}{n} )^{nt}$

P = initial balance

r = interest rate

n = number of times compounded annually

t = time

Your equation will look like this:

$3.31(1+\frac{.0088}{1} )^{20}$ = 3.94

5 0

4 years ago

Jake forgot to replace the cap on a bottle of deodorant. The deodorant began to evaporate at the rate of 12% per day. If the ori

belka [17]

Answer:

graph of function f of x equals 30 multiplied by 0.88 to the power of x

Step-by-step explanation:

The deodorant is begun to evaporate in other words, it is losing mass so the rate of 12% is a decay rate. In the exponential decay, the graph of the function goes according to the formula:

$y=a(1-r)^x$

Where $a$ is the initial amount ( $a=30$ ), $r$ is the rate of decay ( $r=0.12$ ) and $x$ the times intervals, in this case, measured in days. Substituting the values in the formula: