PLEASE PLEASE PLEASE I NEED THIS
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The depth of the submarine is 50 ft below sea level when it starts to descend at a rate of 10.5 ft/s. It dives at that rate for 5 s. What are the constraints on the x- and y-values?
- 5x = -x - 48x = -11X = 12
teacher asked her students write down the number of hours studied rounded to the nearest half hour. she complies the results in develops the probability distribution below for randomly selected student. what is the mean of the probability distribution
Please help im desperate if f(x) = 5 + 3x find the value of the dependent variable if the if he independent variable is -4 and if you know hoew to do this pls answer my other question
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-9=-c
9=c
Hope that helps!
Answer:
c=9
Step-by-step explanation:
first we need to balance the equation out we can do this by getting rid ofa c on both sides.
c-5=4
then we need to get rid of the 5. we do this by adding it.
c=9
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b. 48.91 s
c. 48.910 s
d. 48.9 s
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Answer:
The time recorded as 48.9 s (option: d) is least precised as compared to other times.
Step-by-step explanation:
" Precision refers to the closeness of two or more measurements to each other" .
Since, in options a,b and c the time represented is quite close as they are precised to two or more decimal places.
but in option 'd' the time is precised to just one decimal place.
Hence, the time recorded as 48.9 s is least precised.
Hence, option D is the correct answer.
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Hey there!!
Remember :- In an isosceles triangle, two angles and two sides are equal. And the total sum of all the angles in a triangle is 180 degrees.
One angle of the isosceles triangle is 28°
Let's take the other two angles as ' x '
As the total sum = 180°, let's get this into equation
28 + x + x = 180
28 + 2x = 180
2x = 180 -28
2x = 152
x = 76°
Hence, the angles in the triangle are as follows:
28° , 76° and 76°
Hope my answer helps!
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The size of the population afeter t hours will be=a₁*r^n
a₁= the first term =200
r=common ratio=4
150 minutes=150 minutes * (1 hour /60 minutes)=2.5 hours.
In this case:
the size of the populatation after t hours=200*4^t/2.5=200*4^0.4t
To check
t=0⇒ the size will be=200*4⁰=200*1=200
t=2.5 hours=150 minutes; the size will be =200*4¹=800
t=5 hours; the size will be=200*4²=200*16=3200
Answer: the size will be= 200*4^(0.4t)
Final answer:
The growth of the bacteria is represented by the exponential growth equation. Given the initial population, the four-fold increase, and the time interval for the increase, we can find the population after any given time by using the equation P = 200 * 4^(t/2.5).
Explanation:
The problem given is an example of an exponential growth problem. For these types of problems, we use the formula P = P0 * e^(kt), where P is the final population, P0 is the initial population, k is the growth rate, and t is time. However, in this case, we were given that the bacteria quadruples, meaning 'quadrupling' is not a continuous rate, so we use a slightly different form of the equation: P = P0 * (b)^(t/t0), where b is the times increase and t0 is the time interval for the b-fold increase.
Given that the initial population P0 is 200 bacteria, b is 4 because the population quadruples every 150 minutes, and time t0 is 150 minutes or 2.5 hours. We need to find the population P after t hours. Substituting these values into our equation gives us: P = 200 * 4^(t/2.5).
So, after t hours, the population of the bacteria will be given by the equation P = 200 * 4^(t/2.5).
Learn more about Exponential Growth here:
#SPJ2
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This is the best way to solve these kinds of equations, as you get rid of the unnecessary variables.