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Firdavs [7]
3 years ago
7

I AM SO COMFUSED f- 1.8 = 11.2

Mathematics
1 answer:
balandron [24]3 years ago
3 0

Answer:

Your answer for F will be 13.

Step-by-step explanation:

Take 11.2 and add it to 1.8, and you will get 13 and 13 will be the variable (f). So, f (13) - 1.8 = 11.2

Hope this helps! :D

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4. Geologists estimate the time since the most recent cooling of a mineral by counting the number of uranium fission tracks on t
MariettaO [177]

Answer:

In this case we use the Poisson distribution because we are talking about the occurrence of an event (number of tracks) over a specified interval (in this case an area interval).

The probability of the event occurring x times over an interval is:

P(x) = nˣ × e⁻ⁿ ÷ x!

where n is the mean.

a) P(7) = 6⁷ × e⁻⁶ ÷ 7! = 0.1376

b) P(x ≥ 3) = 1 - P(x < 3) = 1 - P(2) - P(1) - P(0)

P(2) = 6² × e⁻⁶ ÷ 2! = 0.0446

P(1) = 6¹ × e⁻⁶ ÷ 1! = 0.0149

P(0) = 6⁰ × e⁻⁶ ÷ 0! = 0.0025

P(x ≥ 3) = 0.9380

c) P(2 < x < 7) = P(3) + P(4) + P(5) + P(6) = 0.0892 + 0.1339 + 0.1606 + 0.1606 = 0.5443

d) The mean is going to be 6.

e) The standard deviation is √n = √6 = 2.4

3 0
3 years ago
What would be equivalent to 32 ⋅ 35?
OLga [1]
There Are Many Things That Would Be Equivalent!
What They Are Looking For Is Probably:
(30 * 5) + (5 * 2) + (30 * 30) + (30 * 2)

8 0
3 years ago
A yogurt costs 45p. How many yogurts can be bought for five pounds?
Iteru [2.4K]
1 yogurt = 45p
1p = ? yogurt 

1 ÷ 45 = 0.02

5 × 0.02 = 0.10

0.10 yogurt can be bought with 5p (pounds)
8 0
3 years ago
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8 0
3 years ago
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A given line has the equation 2x + 12y = −1. What is the equation, in slope-intercept form, of the line that is perpendicular to
VikaD [51]

Answer:

y = 6x + 9

Step-by-step explanation:

The equation of a line in slope- interceot form is

y = mx + c ( m is the slope and c the y- intercept )

Rearrange 2x + 12y = - 1 into this form

Subtract 2x from both sides

12y = - 2x - 1 ( divide all terms by 12 )

y = - \frac{1}{6} x - \frac{1}{12} ← in slope- intercept form

with slope m = - \frac{1}{6}

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3 0
3 years ago
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