1 year ago

Simplify I-5I + I6I HELPP FASTT PLEASE ITS A TESTTTTTTTT!!!!!!!!!

Mathematics

1 answer:

Deffense [45]1 year ago

7 0

Answer:

Answer is 11

Step-by-step explanation:

|-5| +|6|

= 5 + 6

=11

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It is given that 2^x = 5^y = 10^z , express z in terms of x and y

weqwewe [10]

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Answer:

z = (xy)/(x+y)

Step-by-step explanation:

Taking logarithms base 10, we have ...

x·log(2) = y·log(5) = z·log(10)

z = x·log(2) = y·log(5) . . . . . . . . log(10) = 1

Then z/x = log(2), and z/y = log(5), so ...

z/x +z/y = log(2) +log(5) = log(2·5) = 1

z = 1/(1/x +1/y) = 1/((x+y)/(xy))

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If sin ZA = { and cos ZA = }, what is tan ZA?

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Answer:

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Step-by-step explanation:

sine is the length of the opposite side / length the hypotenuse side

cosine is the length of the adjacent side / length the hypotenuse side

using what's given:

the opposite side has a length of 3
the adjacent side has a length of 4
the hypotenuse side has a length of 5

Tangent is the ratio between the opposite side length and the adjacent side length (opp/adj). With our givens, this means tan(A) = 3/4. See image for more.

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