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zalisa [80]
3 years ago
9

Please answer this math question!! ONLY IF YOU KNOW THE ANSWER! 40 points and brianliest!

Mathematics
1 answer:
anastassius [24]3 years ago
3 0
Let A= the sky is red at night
let B= the weather will be nice the next day

Since this is based on Conditional Probability,

P(B|A)
This is read: The probability that the weather iss nice the next day GIVEN the sky is red at night.
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Roger drives 256km and uses 20l of fuel. what is his average fuel consumption for 100km?
Bezzdna [24]

Answer:

7. 8125 l

Step-by-step explanation:

256 km ....... 20l

100 km ...........x l

x = 100×20/256

= 7. 8125 l

3 0
3 years ago
Need help!
chubhunter [2.5K]

The correct equation is P(t) = Po*e^(kt). Please enclose "kt" inside parentheses and use the " ^ " symbol to indicate exponentiation.


"k" is the growth constant, which here is 0.017. "t" is the number of yeasrs. P(7) is the population after 7 years. Po is the initial population, which in this case is 91 million.


The initial value, when t = 0, is 91 million.


After 7 years, the population, P(7), was P(7) = (91 million)*e^(0.017*7). This evaluates to P(7) = (91 million)*(1.070) = 96 million

8 0
3 years ago
I need help with this
Pachacha [2.7K]

Answer:8a-28b+15c

Step-by-step explanation:

3 0
2 years ago
Cathryn was making a pie. she used 3⁄2 pints of blackberries and 7⁄3 pints of blueberries. how many more blueberries than blackb
Bas_tet [7]
3/2 = 9/6 blackberries, then 7/3 = 14/6 blueberries. 14-9=5, and so then 5/6 pints of blueberries was used more than blackberries.

the answer is 5/6!    :  )
7 0
3 years ago
Find the value of B - A if the graph of Ax + By = 3 passes through the point (-7,2), and is parallel to the graph of x + 3y = -5
Gnoma [55]

The required simplified value of B - A = -6.

<h3>What is simplification?</h3>

The process in mathematics to operate and interpret the function to make the function simple or more understandable is called simplifying and the process is called simplification.

Since, line Ax + By = 3 and x + 3y = -5 are parallel than slope of both the line will be same,
m = -1/3 = -A/B
From above
A = B/3  - - - - -(1)


Now line Ax + By = 3 passed through the point (-7, 2). So,
-7A + 2B = 3
from equation 1
-7B/3 + 2B = 3
-B/3 = 3
B = -9
Now put B in equation 1
A = -9 / 3
A = -3

Here,
B - A = -9 + 3 = -6

Thus, the required simplified value of B - A = -6.

Learn more about simplification here: brainly.com/question/12501526

#SPJ1



7 0
1 year ago
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