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Romashka-Z-Leto [24]
3 years ago
9

What is the surface area?

Mathematics
2 answers:
Gemiola [76]3 years ago
8 0
210 is he surface area
REY [17]3 years ago
5 0
210 is the surface area
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What is the range of the relation {(-6,4),(5,-1),(0,3),(-2,4)
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ANSWER:
Domain: {-6,5, 0,-2}
Range: {4, -1,3, -4}
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2 years ago
Is segment ST tangent to circle P1
malfutka [58]

Answer:

B . Yes

Step-by-step explanation:

Recall: a tangent of a circle is perpendicular to the radius of a circle, forming a right angle at the point of tangency.

Therefore, if segment ST is tangent to circle P, it means that m<T = 90°, and ∆PST is a right triangle.

To know if ∆PST is a right triangle, the side lengths should satisfy the Pythagorean triple rule, which is:

c² = a² + b², where,

c = longest side (hypotenuse) = 37

a = 12

b = 35

Plug in the value

37² = 12² + 35²

1,369 = 1,369 (true)

Therefore we can conclude that ∆PST is a right triangle, this implies that m<T = 90°.

Thus, segment ST is a tangent to circle P.

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3 years ago
I need help working question 8. I don't understand how to start it
Lina20 [59]
Why don't you first try to use the cosine law to solve for an angle and then make use of the sin law to solve for the remaining angles.

Cosine law

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Then set up a proportion like you have done using the sin law and solve for another angle. Knowing the sum of all angles in a triangle add up to 180 degrees, we can easily solve for the remaining angle.
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A=1/2•e•m <br> solve the following formula for e
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just factorize basically

cancels the x’s so it’d be 3x-12=0 and from that x=4

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3 years ago
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