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3 years ago

Sin(x−y)/sinxsiny= coty - cotx

Mathematics

1 answer:

andrew-mc [135]3 years ago

4 0

$x = 0 \\ \\ \sin^{2}(y) \sin( \frac{x - y}{ \sin(x)} ) - \sin(x) \cos(y)\cos(x)\sin(y)= 0$

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B is twice as far away from point A as it is from point 0.

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Work out the sum of 1/5 3/4 and 1/2 give answer in simplest form

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1.5, 3.4, 1.2

Step-by-step explanation:

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4 years ago

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What is the value of x if OB is<br> an angle bisector of

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Answer:

x = 8

Step-by-step explanation:

Hi there!

We're given that OB is the angle bisector of angle AOC.

An angle bisector splits an angle into 2 equal halves. Therefore, angles AOB and BOC are equal.

We're given that angle AOB is 8x degrees and angle BOC is 16x-64 degrees.

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3 years ago

Devin is collecting signatures for a petition to open a new park in her town. She needs to collect at least 1,000 signatures bef

steposvetlana [31]

Answer:

The correct opion is;

7 ≤ p

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The number of signatures Devin needs to collect = 1,000 signatures

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Therefore;

The number of extra signatures required = 1,000 - 380 = 680 signatures

The number of petition pages required = 1,000 petitions /(80 signatures/page) = 12.5 pages

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4 years ago

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The equatorial diameter of a model of earth is 25.6 cm. What is the total surface area of the model

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Answer:

$2059.7\,\,cm^2$

Step-by-step explanation:

Diameter of a model of earth (D) = 25.6 cm

Radius of a model of earth (r) = $\frac{D}{2}=\frac{25.6}{2}=12.8\,\,cm$

Earth has the shape of a sphere.

Total surface area of a sphere = $4\pi r^2$

Put $\pi=\frac{22}{7}\,,\,r=12.8\,\,cm$

So,

Total surface area of the model $=4(\frac{22}{7})(12.8)^2=2059.7\,\,cm^2$

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3 years ago

Sin(x−y)/sinxsiny= coty - cotx​

Sin(x−y)/sinxsiny= coty - cotx