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3 years ago

What is sin A?

Mathematics

2 answers:

marta [7]3 years ago

7 0

Sin is opposite/hypotenuse.
So sin=84/85
So the correct answer is B.

Hope This Helps and God Bless!

jok3333 [9.3K]3 years ago

6 0

I would say B but Im not sure

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2. Which statement is true?

salantis [7]

Answer:

C.) All squares are rectangles

Step-by-step explanation:

Rectangles

-4 sides

-the length of opposite sides are equal

-the opposite sides are parrallel to each other

-all angles in a rectangle are 90°

Squares have all the characteristics needed in a rectangle

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3 years ago

Match the numerical expressions to their simplified forms.

a_sh-v [17]

If you find problem respond me

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3 years ago

Read 2 more answers

Helpp degrees, minutes, and seconds

svetlana [45]

Answer:

3) 174°15'18"

4) 34.859722...(repeating)°

5) 434°, -286°

Step-by-step explanation:

There are 60 minutes in a degree, and 60 seconds in a minute.

3) To find minutes, multiply fractional degrees by 60:

.255° = 0.255°×(60'/1°) = 15.3'

To find seconds, multiply fractional minutes by 60:

0.3' = 0.3'×(60"/1') = 18"

Then the whole angle is ...

174.255° = 174° 15' 18"

4) The conversion works the other way, too.

34° 51' 35" = 34° +51(1/60)° +35(1/3600)° = (34 619/720)°

= 34.8597222...° (a repeating decimal)

5) Add or subtract multiples of 360° to get co-terminal angles.

74° +360° = 434°

74° -360° = -286°

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3 years ago

Target sells a pack of iTunes gift cards for $40. Sam's Club sells them for $38.88. What is the percent decrease from Target's p

patriot [66]

We have been given that target sells a pack of iTunes gift cards for $40. Sam's Club sells them for $38.88. We are asked to find the percent decrease from Target's price to Sam's Club's price.

We will use percent decrease formula to solve our given problem.

$\text{Decrease percent}=\frac{|\text{Final}-\text{Initial}|}{\text{Initial}}\times 100\%$

$\text{Decrease percent}=\frac{|38.88-40|}{40}\times 100\%$

$\text{Decrease percent}=\frac{|-1.12|}{4}\times 10\%$

$\text{Decrease percent}=\frac{1.12}{4}\times 10\%$

$\text{Decrease percent}=0.28\times 10$

$\text{Decrease percent}=2.8\%$

Therefore, the percent decrease from Target's price to Sam's Club's price is 2.8%.

3 0

3 years ago

Two experiments are to be performed. The first can result in any one of m possible outcomes. If the first experiment results in

Galina-37 [17]

Answer: The first experiment has M probabilities, and the second has I(m) outcomes, that depends on the result of the first.

And lets call m to the result of the first experiment.

If the outcome of the first experiment is 1, then the second experiment has 1 possible outcome.

If the outcome of the first experiment is 2, then the second experiment has 2 possibles outcomes.

If the outcome of the first experiment is M, then the second experiment has M possibles outcomes.

And so on.

So the total number of combinations C is the sum of all the cases, where we exami

1 outcome for m = 1

2 outcomes for m=2

M outcomes for m = M

C = 1 + 2 + 3 + 4 +...´+M

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3 years ago