3 years ago

Given that 1ST GRAPH and 2N GRAPH, which theorem or postulate proves ΔPQR 3RD GRAPH ΔRST?

Mathematics

1 answer:

Monica [59]3 years ago

7 0

HL congruence theorem is the answer.

Hope this helps :)

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A thread is being pulled off a spool at the rate of 40 cm per second. Find the radius of the spool

murzikaleks [220]

Answer:

r = 0.0424 cm (3sf)

Step-by-step explanation:

it makes 150 rev/sec

1 revolution = 1 circumference = 2pi*r

so every second the spool goes through 2*pi*r*150 of distance

we know that the rate of pulling is 40cm/sec

so 2pi*r*150 = 40

r = 40/(2pi*150), which is 0.04244131816 cm.

check: Circumference is 2pi*r = 0.2666

now multiply by 150rev/sec = 40 cm/sec

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VashaNatasha [74]

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Step-by-step explanation:

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3 years ago

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Citrus2011 [14]

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3 years ago

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Advocard [28]

Answer:

a^2+b^2=a(2)^1.5

Step-by-step explanation:

im not sure, just seems right

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3 years ago

A rope is at least 21 feet long. You want to cut it into 3 pieces. The second piece is to be twice as long as the first piece,an

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the first piece of rope would be 4 feet

Step-by-step explanation:

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