2 years ago

Nee some math help please

Mathematics

1 answer:

UNO [17]2 years ago

5 0

A I hope it helps have a good day

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Find the area please

tatuchka [14]

Answer:

Step-by-step explanation:

Recall that the area of a triangle is given by:

$\displaystyle A = \frac{1}{2} bh$

In this case, the base is x and the height is y. Hence:

$\displaystyle A = \frac{1}{2} xy$

We can write the following ratios:

$\displaystyle \sin \alpha = \frac{x}{12} \text{ and } \cos \alpha = \frac{y}{12}$

Solve for x and y:

$\displaystyle x = 12\sin \alpha \text{ and } y = 12\cos \alpha$

Substitute:

$\displaystyle A = \frac{1}{2}\left(12\sin \alpha\right)\left(12\cos \alpha\right)$

And simplify. Hence:

$\displaystyle A = 72\sin \alpha \cos\alpha$

In conclusion, our answer is D.

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3 years ago

The value of x is???

kodGreya [7K]

Answer: the vaule is 4

Step-by-step explanation:

becusee its the same as the one across

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3 years ago

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The life expectancy of a circulating coin is 30 years. The life expectancy of a circulating dollar bill is only

Afina-wow [57]

Life expectancy of dollar bill = d
life expectancy of coin = c

d = 1/20 c

substitute value in for c (30)

d = 1/20 * 30
d = 30/20
d = 1.5

life expectancy of a dollar bill = 1.5 years

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3 years ago

What does 9 times 2 equal

Pachacha [2.7K]

9 * 2 = 18

9 times 2 is the same as 9 plus 9

9 plus 9 = 18

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3 years ago

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PLS HELP ME WITH THIS ITS LIKE DUE IN A FEW HOURS

atroni [7]

Answer:

yes

Step-by-step explanation:

Area is 1.2 base * height

the base is 10 and the height is 12

120/2= 60

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3 years ago