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2 years ago

What is root 3 x root 7?

Mathematics

1 answer:

bogdanovich [222]2 years ago

8 0

Answer:

$\sqrt{3} \times \sqrt{7} = \sqrt{21}$

I hope I helped you^_^

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2. Which pair of triangles are similar?

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Answer:

Step-by-step explanation:

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2 years ago

(5/3)^-2 (9/11)^-1 brainlest

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Answer: 0.44

Step-by-step explanation: 5/3)^-2=0.36 (9/11)^-1=1.22222222 The 2 goes on forever so 1.22.

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3 years ago

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What is the value of the 8 in the number 2.387

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Answer:

Step-by-step explanation:

If the point represents decimal, the position of number 8 is

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But if represents Thousands the position of number 8 is

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3 years ago

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Which expression is equivalent to 32 + 16?

insens350 [35]

Answer: (A) 8(4+2)

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2 years ago

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What is the measure of minor arc BD?

Vaselesa [24]

Answer:

$minor\ arc\ BD=100^o$

Step-by-step explanation:

The picture of the question in the attached figure

we know that

A circumscribed angle is the angle made by two intersecting tangent lines to a circle

In this problem

BC and CD are tangents to the circle

BC=CD ----> by the Two Tangent Theorem

That means

Triangle ABC and Triangle ADC are congruent

$m\angle BAC=m\angle DAC$

Find the measure of angle BAC

In the right triangle ABC

$m\angle BAC+m\angle BCA=90^o$

substitute given value

$m\angle BAC+40^o=90^o$

$m\angle BAC=90^o-40^o=50^o$

Find the measure of angle BAD

$m\angle BAD=2m\angle BAC$

$m\angle BAD=2(50^o)=100^o$

Find the measure of minor arc BD

we know that

$minor\ arc\ BD=m\angle BAD$ -----> by central angle

therefore

$minor\ arc\ BD=100^o$

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3 years ago

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