2 years ago

If m∠CBD = 40°, find m∠CAD. A) 30° B) 40° C) 50° D) 60° E) None of the above

Mathematics

1 answer:

aleksandrvk [35]2 years ago

7 0

The triangles cross the center of the circle CAD is the same as CBD.

The answer is B) 40 degrees.

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Simplify the expression. 8x^-10 y^'6 -2x^2y^-8 Write your answer without negative exponents.

sergij07 [2.7K]

Answer:

$8x^{-10}y^6 - 2x^2y^{-8} = \frac{8y^{14} - 2x^{12}}{x^{10}y^8}$

Step-by-step explanation:

Given

$8x^{-10}y^6 - 2x^2y^{-8}$

Required

Simplify

Rewrite as:

$8x^{-10}y^6 - 2x^2y^{-8} = \frac{8y^6}{x^{10}} - \frac{2x^2}{y^8}$

Take LCM

$8x^{-10}y^6 - 2x^2y^{-8} = \frac{8y^6*y^8 - 2x^2 * x^{10}}{x^{10}y^8}$

Apply law of indices

$8x^{-10}y^6 - 2x^2y^{-8} = \frac{8y^{14} - 2x^{12}}{x^{10}y^8}$

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2 years ago

Jackson's robot moved 5 meters in 2 seconds How far did he move in 30 sec? (please explain and use fractions)

tatyana61 [14]

75 meters

Step-by-step explanation:

5 x 30/2

= 5 x 15

= 75 meters

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2 years ago

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2 years ago

Complete the pattern using powers of 5

krok68 [10]

1/5^2 = 1/25
1/5^1 = 1/5
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1/5^-2 = 25

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2 years ago

Whats 1/3 of 1/2? thanks!

GuDViN [60]

Answer:

It's 1/6, hope this helps!

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1 year ago

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