can you guys answer this please i have no idea what im doing,there is one that is 15% that is not on the screenshot

1 answer:

3 0

Are you trying to convert the percentages into fractions or??

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Effectus [21]

13)

let assume # denotes angle signs

now

as sum of 3 angels in triangle is 180

#2 +#3 +#4 = 180

also

#1 + #4 = 180

so equating both equation

#2 +#3 + #4 = #1 + #4

#4 will be cancelled from both side then

#2 + #3 = #1

proved

14)

ratio is 1:3:5

so Alma adsed it wrong. it should be 9x in 2nd line.

correction

x + 3x + 5x = 180

9x = 180

x = 180/9 = 20

so 1st angle = x = 20

2nd angle = 3x = 3×20=60

3rd angel = 5x = 5×20 = 100

4 0

3 years ago

Crank

Sin(B=3/5
cos(B=4/5

The answer is false

5 0

4 years ago

Mnenie [13.5K]

The solution set for the last equation represents the set of all days when the towns have the same average high temperature.

The hotness of matter or radiation is expressed by the physical quantity known as temperature. The average air temperature for a specific time period, often a day, a month, or a year, as measured by a thermometer that has been properly exposed.
P(t) is the average high temperature, in degrees Celsius, of Paityn's town on t days.

$\begin{aligned} P(t)&=22.5+7.5\cos\left(\dfrac{2\pi (t-28)}{365}\right)\\\\ \end{aligned}$