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KATRIN_1 [288]
3 years ago
10

I need help with this question please

Mathematics
1 answer:
koban [17]3 years ago
5 0

Answer:

w = \frac{t}{4}

Step-by-step explanation:

We have t = 4w, the question is asking to rearrange the equation to make "w" the subject, meaning that we have to isolate the variable w.

When we have a number (usually known as a coefficient) next to a variable and want to get rid of it, we need to divide it by both sides. Therefore :

t = 4w

\frac{t}{4} =\frac{4w}{4}

[\frac{t}{4} =w]

Since "t" is an undefined variable and has no initial value, you cannot divide it by anything, therefore it'll stay as [t/4 = w]

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The change in the value of a stock is represented by the rational number -5.90 describe in words what this means
xxMikexx [17]

We are given : A stock is represented by -5.90.

The given number is a negative number.

Note: When a stock is given by a negative number, it represents the decrease in stock and when a stock is given by a positive number, it represents the increase in stock.

As we are given number is a negative number, we can just say that

" The stock value is being decrease by 5.90".

3 0
3 years ago
Given that f= x^3/4 +6. find f(4)
Alla [95]

Answer:

here

f= x^3/4 +6

to find f(4)

Step-by-step explanation:

f(4)= 4^3/4+6

=64/10

= 6.4

8 0
2 years ago
What is the shape of the following distribution?
elena-14-01-66 [18.8K]

we are given the data from 9 to 20. we can plot the data in bar graph. The mean of the data is 15. in this case, we plot the number in x and y in terms of frequency. We can see that the plot is evenly distributed at 15 and then also at the extremes. Hence the answer to this problem is C. symmetric
8 0
3 years ago
Read 2 more answers
a certain virus infects one in every 600 people. a test used to detect the virus in a person is positive 90% of the time if the
Alona [7]
  1. the probability that a person has the virus given that they have tested positive is  0.0151.
  2. the probability that a person does not have the virus given that they have tested negative is  0.9999

P(A) = 1/600 = 0.0017

P(B) = 0.9 * 0.0017 + 0.1 * (1 - 0.0017) = 0.1014

A) P (has the virus | tested positive) = P (tested positive | has the virus) ×  

                                                          P (has the virus)/ P (tested positive)

                                                         = 0.9 × 0.0017/0.1014  

                                                         = 0.0151

B) P (does not have the virus | tested negative) = P (tested negative | does not have the virus) × P (does not have the virus)/ P (tested negative)

= (1 - 0.1) *× (1 - 0.0017)/ (1 - 0.1014)  

= 0.9999

Probability is the department of mathematics regarding numerical descriptions of ways likely an occasion is to occur, or how possibly it's far that a proposition is genuine. The possibility of an occasion varies between zero and 1, wherein, roughly speaking, 0 suggests the impossibility of the occasion and 1 shows certainty. The better the possibility of an event, the more likely it is that the event will arise.  

A simple instance is the tossing of an honest (unbiased) coin. since the coin is truthful, the 2 results ("heads" and "tails") are both equally likely; the possibility of "heads" equals the chance of "tails"; and considering the fact that no different results are feasible, the possibility of both "heads" or "tails" is 1/2 (that could additionally be written as 0.5 or 50%).

To learn more about Probability visit here:

brainly.com/question/11234923

#SPJ4

6 0
2 years ago
Which of the following correctly expresses the number below in scientific notation?
Dafna11 [192]
The answer is E. 7.09*10^5
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3 years ago
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