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4 years ago

Write an equation that illustrates this function if you plan to keep the truck for 7 years and determine the value of the

Mathematics

1 answer:

lisov135 [29]4 years ago

6 0

Answer:

well, this answer is considered unavailable equals. this means the question is being asked wrong. none of the answers are correct as there is no way to make an available answer from the statement.

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A sample of bacteria is decaying according to the half-life model f(t) = Ne -0.226t, where N is the initial sample size and t

ElenaW [278]

Answer:

Step-by-step explanation:

A sample of bacteria is decaying according to the half-life model f(t) = Ne -0.226t, where N is the initial sample size and t

is time in hours. At t = 4, there are 25 bacteria remaining. What was the initial sample amount? Round your answer to the

nearest whole number, and do not include units.

7 0

3 years ago

The following are the temperatures of 10 days in winter in °C. 8, 3, -1, 6, 0, 5, 2, 9, -2, 0 Work out the mean temperature

marishachu [46]

Answer:

The mean temperature is O

Step-by-step explanation:

4 0

3 years ago

Systematic random sampling has become a popular method of drawing samples in research practices because _____.

dolphi86 [110]

it is a relatively easy way to draw a sample while ensuring randomness is the answer.

Systematic sampling is a probabilistic sampling method in which a researcher selects members of a population at regular intervals. For example, select every 15 people from the list of populations. If the population is in random order, this can mimic the benefits of a simple random sample.

These are generally preferred by researchers because they are easy to implement and understand. The important assumption that the results represent the majority of the normal population ensures that the entire population is sampled equally. The process also provides a higher level of control for systematic sampling compared to other sampling methods. systematic sampling also has a lower risk factor because the data is unlikely to be contaminated.

Learn more about systematic random sampling here:brainly.com/question/21100042

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5 0

2 years ago

Please help with math,

luda_lava [24]

Answer:

a= times two

b= times 1.25

MARK ME BRAINLIST PLEASE

4 0

3 years ago

Please help! Geometry.

FromTheMoon [43]

These are right triangles that will use either sin, cos, or tan, depending upon what you have to work with in regards to the reference angle. The first one has a reference angle of 51 with y being the side opposite it and 12 being the hypotenuse. The sin identity uses the side opposite over the hypotenuse as its formula:
$sin(51)= \frac{y}{12}$
and 12 sin(51) = y and y = 9.325
The second one has the reference angle as the unknown. You could use any of the identities here because you have all the sides of the triangle, but I will use sin again:
$sin \beta = \frac{12}{13}$
and $sin \beta =.9230769$
and $sin ^{-1}(.9230769)=67.38$
The next one has a referece angle of 13 with 24 being the side adjacent to it and the unknown being the side across from it. You will use the tangent identity here:
$tan(13)= \frac{x}{24}$
and 24 tan(13) = x so x = 5.540
The last one has a reference angle of 20 with the hypotenuse as the unknown x, and the side across from it as 10. Use the sin identity again:
$sin(20)= \frac{10}{x}$ and
$x sin(20)=10$ and
$x= \frac{10}{sin(20)}$ with x = 29.238
Everything is in regards to the reference angle; you HAVE to be able to identify the reference angle and then how the given sides are related to it.

7 0

3 years ago