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grigory [225]
3 years ago
13

The probability of a dry summer is equal to 0.3, the probability of a wet summer is equal to 0.2, and the probability of a summe

r with normal precipitation is equal to 0.5.
what is the probability of observing two dry summers?
what is the probability of observing at least 2 dry summers?
what is the probability of not observing a wet summer?
Mathematics
1 answer:
brilliants [131]3 years ago
4 0

Answer:

s

Step-by-step explanation:

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2 gallons equal 32 cups

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2 years ago
Determine which line is perpendicular to y = - 7/5x-2.​
tatuchka [14]

Answer:

y = 5/7 x  - 6

Step-by-step explanation:

For two lines to be perpendicular, the product of their slope must be -1

The slope of the given function is -7/5

Let the slope of the required function be m

m * -7/5 = -1

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7 = 5m

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The slope of the line perpendicular to the line is 5/7

The required equation (using any value of the y-intercept) is expressed as;

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6 0
2 years ago
78×13-8×78+26×78-78=
Amanda [17]

Applying BODMAS (Order of operations rule)

Where: B is for brackets

O is for 'of' which means multiplication

D is for division

M is for multiplication

A is for addition

S is for subtraction

<u>In this case:</u>

We start with addition then we go to addition and finally we subtract.

(78 × 13) - (8 × 78) + (26 × 78) - 78

= 1014 - 624 + 2028 - 78

= 1014 + 2028 - 624 - 78

= 3042 - 624 - 78

=2340

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Evaluate the following trigonometric expression
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Answer:

-60

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