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vivado [14]
3 years ago
15

What is the length of AC?

Mathematics
2 answers:
MatroZZZ [7]3 years ago
8 0
The sin <ABC means that AC/AB. So we know AB=34. AC/AB=8/17. So the length of AC is 16. cos<ABC means BC/AB. tan<ABC means AC/BC.
algol [13]3 years ago
5 0
We have that
AB=34
sin ∠ABC=\frac{8}{17}

we know that
in the right triangle ABC
sin ∠ABC is equal to  \frac{AC}{AB}
AC is the opposite side angle B
AB is the Hypotenuse

sin ∠ABC=\frac{8}{17}  equation 1

sin ∠ABC=\frac{AC}{34}  equation 2

equate equation 1 and equation 2

\frac{8}{17}  = \frac{AC}{34}  \\  \\ AC=34* \frac{8}{17} \\  \\ AC=16

the answer is
AC=16

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Using the mean concept, it is found that:

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2. The mean change in the forecasted low temperatures is of 0.5ºC.

-----------------------------

The mean of data-set is given by the <u>sum of all observations divided by the number of observations.</u>

Item 1:

The changes in the high temperature are: 2, 1, -1, -1, -1, -2

Thus:

M = \frac{2 + 1 - 1 - 1 - 1 - 2}{6} = -0.33

The mean change in the forecasted high temperatures is of -0.33ºC.

Item 2:

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A similar problem is given at brainly.com/question/24754716

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