Answer:
A. ()² =
×
=
Step-by-step explanation:
Answer choice (A) is the counterexample because squaring number results into number
which is less than
.
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1 answer:
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The temperature is 86°F when the temperature is 30°C.
Step-by-step explanation:
Formula for Celsius to Fahrenheit;
F =
Where C stands for temperature in degrees Celsius.
Given,
Temperature in Celsius = 30 degrees
Temperature in Fahrenheit =
Temperature in Fahrenheit =
Temperature in Fahrenheit =
The temperature is 86°F when the temperature is 30°C.
Keywords: temperature, addition
Learn more about addition at:
#LearnwithBrainly
Answer:
a = 21
b = 63
c = 42√3
d = 21√3
Step-by-step explanation:
The sides of a 30°-60°-90° triangle have the ratios 1 : √3 : 2. The given side (42) is the longest side of the smallest triangle, and the shortest side of the largest triangle.
That means the other sides of the smallest triangle will be ...
a = 42/2 = 21
a+b = 2(42) = 84
b = (a+b) -a = 84 -21 = 63
d = 21√3 . . . . middle-length side of the smallest triangle
c = 42√3 . . . . middle-length side of the largest triangle
The values of the variables are ...
- a = 21
- b = 63
- c = 42√3
- d = 21√3
