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alexgriva [62]
4 years ago
5

In triangle ABC, B = 120°, a = 10, c = 18

Mathematics
1 answer:
Zarrin [17]4 years ago
5 0

Answer:

kk

Step-by-step explanation:

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Rewrite 9 5/2 using roots and exponents
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he simplified expression is 243 . Explanation: You can rewrite the fractional exponent as roots and powers, like this: =xmn=n√xmor(n√x)m.

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3 years ago
The sun shines at a 30° angle to the ground. To the nearest inch, how long is the shadow cast by a 72-in. tall fence post?
tensa zangetsu [6.8K]

The length of the shadow is 124.7 in

<u>Explanation:</u>

<u />

Given:

Angle, θ = 30°

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Length of the shadow, l = ?

Given:

tan 30° = \frac{perpendicular}{base}  = \frac{height of the fence}{length of the shadow}

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5 0
3 years ago
Explain why the expression below always has the same value, no matter what number other than zero you choose for p.
Natasha2012 [34]

Answer and explanation:

The expression P-2P+3P-4P cannot have the same values for different values of P. Let us illustrate this by substituting different values of P in the expression:

If P= 2

Substitute P=2 in the expression

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=2-4+6-8

=-4

If P= 3

Substitute P=3 in the expression

3-2×3+3×3-4×3

=3-6+9-12

=-6

If P = 1

Substitute P=1 in the expression

1-2×1+3×1-4×1

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If P = -2

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= -2+4-6+8

=4

Therefore we can see from the above that the expression has different values for different values of P

8 0
3 years ago
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