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Flauer [41]
3 years ago
7

How to write 0.063 in scientific notation?

Mathematics
2 answers:
hodyreva [135]3 years ago
5 0
<span>How to write 0.063 in scientific notation?
</span>See attached form:

alexira [117]3 years ago
3 0
6.3*10^(-2),

one digit only, then digits ...
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Dominic bought a new alarm clock that was on sale for $18.75. If this price represents a 30% discount from the original price, w
Orlov [11]
P - 0.30= $18.75


18.75 + 0.30 = p


$19.05 = p


6 0
3 years ago
Plzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz
statuscvo [17]

9514 1404 393

Answer:

  (a)  x = (3 -ln(3))/5 ≈ 0.819722457734

  (b)  y = 10

Step-by-step explanation:

(a) Taking the natural log of both sides, we have ...

  2x +1 = ln(3) +4 -3x

  5x = ln(3) +3 . . . . . . . . add 3x-1

  x = (ln(3) +3)/5 ≈ 0.820

__

(b) Assuming "lg" means "log", the logarithm to base 10, we have ...

  log(y -6) +log(y +15) = 2

  (y -6)(y +15) = 100 . . . . . . . taking antilogs

  y^2 -9x -190 = 0 . . . . . . . . eliminate parentheses, subtract 100

  (y -19)(y +10) = 0 . . . . . . . . factor

The values of y that make these factors zero are -19 and 10. We know from the first term that (y-6) > 0, so y > 6. That means y = -19 is an extraneous solution.

The solution is ...

  y = 10

__

When solving equations using a graphing calculator, it often works well to define a function f(x) such that the solution is f(x) = 0, the x-intercept(s). That form is easily obtained by subtracting the right side of the equation from both sides of the equation. In part (a) here, that is ...

  f(x) = e^(2x+1) -3e^(4-3x)

8 0
3 years ago
Read 2 more answers
X
Agata [3.3K]

Using the mean concept, it is found that the mean difference between the call times and the  company's average call time is given by:

  • C. 0.4

<h3>What is the mean?</h3>
  • The <em>mean </em>of a data-set is given by the <u>sum of all observations in the data-set divided by the number of observations</u>.

In this problem:

  • The four observations are the differences between the time of each phone call and the average time.
  • They are: {-2.32, -1.55, 4.79, 0.68}

Hence, the mean difference is:

M = \frac{-2.32 - 1.55 + 4.79 + 0.68}{4} = 0.4

Hence, option C is correct.

To learn more about the mean concept, you can take a look at brainly.com/question/13451786

6 0
2 years ago
Ill give you brainliest
pentagon [3]

Answer:

376.8 ft²

Step-by-step explanation:

that is the correct answer for you friend

3 0
3 years ago
Tickets to the aquarium cost $27 per person. Write an expression to represent the total cost of a group of people.
Softa [21]
27p (people) = c (cost)
7 0
3 years ago
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