Answer:
Step-by-step explanation:
180-78=102
102÷2=51
E=51
Answer:
6
Step-by-step explanation:
2x =4
x=4:2 =2
3x =3 ×2 =6
The height of the 7.1 m tree in Miguel backyard in centimeters is 710 cm
<h3>What is an
equation?</h3>
An equation is an expression that shows the relationship between two or more numbers and variables.
An independent variable is a variable that does not depend on other variables while a dependent variable is a variable that depends on other variables.
1 m = 100 cm
Hence:
7.1 m = 7.1 m * 100 cm per 1 m = 710 cm
The height of the 7.1 m tree in Miguel backyard in centimeters is 710 cm
Find out more on equation at: brainly.com/question/2972832
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Derivitive of cosx=-sinx
dy/dx sinx=cosx
and use chain rue
2cosx=-2sinx
2cos2x=-4sin2x
so
-2sinx-4sin2x id the deritivitve
