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IrinaK [193]
3 years ago
10

Help me please urgent

Mathematics
1 answer:
Lilit [14]3 years ago
6 0
The inscribed angle is always half of the central angle. 
So 60÷2=30
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Surface area... help me
alexandr402 [8]

Answer: Surface area is the sum of the areas of all faces (or surfaces) on a 3D shape. A cuboid has 6 rectangular faces. To find the surface area of a cuboid, add the areas of all 6 faces. We can also label the length (l), width (w), and height (h) of the prism and use the formula, SA=2lw+2lh+2hw, to find the surface area.

Step-by-step explanation:

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6 0
3 years ago
Help please, i really need it because its almost due
nata0808 [166]

Answer:

D sqrt( A ) sqrt(pi) / pi = r

Step-by-step explanation:

The area of a circle is given by

A = pi r^2

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Divide each side of the equation by pi

A / pi = pi r^2 /pi

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We do not like leaving square roots in the denominator, so multiply by sqrt(pi)/sqrt(pi))

sqrt(A / pi ) *sqrt(pi)/sqrt(pi))

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3 0
3 years ago
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Which of these is expression is equivalent to z+z+z+z ​
k0ka [10]

Answer:

4z

Step-by-step explanation:

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What is the rate of change for 7x + 8y = 56
natali 33 [55]

Answer:

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