I will give you a Brainly crown if it is right. Will you help me

Mathematics

1 answer:

NISA [10]3 years ago

5 0

Answer:

Right angles are 90 degrees.

The A is 5 degrees so we subtract that off

85 degrees is the answer

Step-by-step explanation:

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When rolling two six faced dice, what is the probability the sum equal to seven?

Liono4ka [1.6K]

What you want is P(6∩1) or P(1∩6) or P(2∩5) or P(5∩2) or P(3∩4) or P(4∩3).
The events of rolling the dice are independent (i.e. they don't affect one another) so:
E.g.
P(6∩1) = P(6) * P(1)
P(2∩5) = P(2) * P(5)
The probability of getting a given number on a roll is 1/6 for both dice.
So:
P(6∩1) = 1/6 * 1/6 = 1/36
This is the same for any arrangement of numbers you could get from rolling two dice.
So, we can see that there are 6 arrangements of numbers that will give a sum of 7 and so that is 6 * 1/36 = 6/36 = 1/6

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3 years ago

The height of a certain type of tree depends on the amount of sun it receives per year, described by the function Height(sun). W

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1/2(12w+8)-1/8(10w-5) This confuses me very much pls help

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Find the mean and the median of this data set: 8, 6, 6, 3, 55, 7, 5, 2. The mean is and the median is .

Sonja [21]

Answer:

Mean: 11.5 Median: 6

Step-by-step explanation:

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3 years ago

A product cost $48.50 for 75 feet. how much does it cost per inch?

Ivahew [28]

The answer is: $ 0.0538888888888889 / in.
______________________________
Round to: $0.05388 per inch.
________________________________
Explanation:
________________________________
Note the exact conversion: 1 feet (ft) = 12 inch (in.) .
______________________________________________
$\frac{48.50}{75 ft}$ * $\frac{1 ft}{12in}$ =

$ { $\frac{48.50}{75*12}$ } / in. =

$ { $\frac{48.50}{900}$ } / in =

<span>$ 0.0538888888888889 / in. .

→ Round to: $ 0.05388 / in.
__________________________________

</span>

8 0

3 years ago