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melody12chocolatemil
29.01.2021 •
Mathematics
*Will mark brainliest*
Picture wouldn’t work so i’m typing it out
The temperature C, in degrees, that is equivalent to a temperature of F degrees Fahrenheit is given by
5(F-32)
C= —————-
9
the graph of this equation shows the temperature in Celsius for the corresponding temperatures in Fahrenheit.
A. Explain how linear equations can be used in temperature conversion.
B. Explain how you could use a conversion graph to find the normal body temperature in degrees celsius, which is 98.6F
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Ответ:
The value of the angles should be. (x-40°). , (x-20°), (½x-10°) , not (x-40°) + (x-20°)+(½x-10°)
Sum of all the interior angles of a triangle is 180°.
So a equation can be made by the given data,
(x-40°) + (x-20°) + (½ x-10°) = 180°
x-40°+x-20°+½x-10° = 180°
2x+½x -60°-10° = 180°
5/2 x - 70° = 180°
5/2 x = 180° + 70°
5/2 x = 250°
x = 250° × 2/5
x = 50° × 2
x = 100°
So the angles are
x-40° = 100°-40° = 60°
x-20° = 100°–20° = 80°
½x-10° = ½(100)° - 10° = 50° -10° = 40°
The answer can be checked by putting the values of the angle we got in the second statement i.e. Sum of all the interior angles of a triangle is 180°.
60° + 80° + 40° = 100° + 80° = 180°