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Juli2301 [7.4K]
3 years ago
13

In the expression 3x + 7, what is the coefficient?

Mathematics
1 answer:
san4es73 [151]3 years ago
4 0

Answer:

3

Step-by-step explanation:

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A culture of bacteria has an initial population of 650 bacteria and doubles every 9 hours. Using the formula Pt=P0⋅2tdP_t = P_0\
Ghella [55]
So is doubling, first off, meaning, if the current amount say P, then when it doubles is 2P, or double that, or P + P, so the rate of growth is 100%, since it's doubling.

and is doing it every 9 hour cycle, thus

\bf \textit{Periodic/Cyclical Exponential Growth}\\\\
A=P(1 + r)^{\frac{t}{c}}\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{initial amount}\to &650\\
r=rate\to 100\%\to \frac{100}{100}\to &1.00\\
t=\textit{elapsed time}\to &10\\
c=period\to &9
\end{cases}
\\\\\\
A=650(1 + 1)^{\frac{10}{9}}\implies A=650(2)^{\frac{10}{9}}\implies A=650\sqrt[9]{2^{10}}
4 0
3 years ago
A game is played using one die. If the die is rolled and shows 1​, the player wins $50. If the die shows any number other than 1
xxTIMURxx [149]
As rolling a one on a fair die has a probability of 1/6, on average it is likely that a one will be rolled around once every six rolls, therefore the game’s expected value is 0 because in six rolls one roll will yield 50 and the other five rolls -10 each granting a net total of 0.
7 0
3 years ago
PLEASE HELP ASAP!!!!!!!!<br><br> Find the value of the variables.
Korvikt [17]

Answer:

g=79

h=55

j=75

Step-by-step explanation:

1. When a transversal intersects two parallel lines corresponding angles, angles that are located in the same relative position an intersection of transversal and two or more straight lines, are congruent. Therefore g=79.

2. Since the two lines are parallel same side interior angles are supplementary. This means they add up to 180. So to find h solve the equation h+125=180. Once solved you get 55.

3. Like question 2, these angles are same side interior and therefore supplementary. To find j solve the equation j+105=180, which gets j=75.

3 0
3 years ago
Arturo invests $2700 in a savings account that pay 9% interest, compounded quarterly. If there are no other transactions, when w
Sedbober [7]
The correct formula for this is as follows:
A=P(1+\frac{r}{n})^{nt}
where n is the number of compounding periods per year, and r is the annual interest rate as a decimal,
Plugging the given values into the formula, we get:
4550=2700(1+\frac{0.09}{4})^{4t}
This equation can be simplified to:
1.6852=(1.0225)^{4t}
Taking logs of both sides gives:
log 1.6852=4t\times log 1.0225
which can be rearranged to get:
t=\frac{log 1.6852}{4\times log 1.0225}=5.864
So it will take about 5.864 years for the amount to reach $4550.


5 0
3 years ago
Terri ate 1/3 of the leftover pies.how much pie dud she eat?
Sidana [21]
Just divide the number of remaining pies by 3, and you will have the answer.
8 0
3 years ago
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