Answer: Mean = 23
Step-by-step explanation:
<u>Given information:</u>
35, 40, 12, 16, 25, 10
<u>Given formula:</u>

<u>Substitute values into the formula</u>

<u>Combine like terms</u>



<u>Simplify the fraction</u>

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Answer:a) a=22, b=11
b) m=7
, n= 
Step-by-step explanation:
You should use trigonometry ratios as required and then you should use pythagoras theorem
In a) cosine(30°)= base/hypotenuse,
where 11√3 is the base
"a" is hypotenuse and
"b" is perpendicular
from this you can find the value of perpendicular then you should use pythagoras theorem to find the value of hypotenuse
pythagoras theorem is
base²+perpendicular²= hypotenuse²
Same is applied on (b) right triangle as, sine(45°)=perpendicular/hypotenuse
Answer:
x =
or 0.33333333
Step-by-step explanation:
3x = -3x + 2 (Given)
3x + 3x= -3x + 3x + 2 (Addition Property of Equality)
6x = 2 (Simplify)

x =
or 0.3333333
<span>Numeral expression
is composed of numeric constants and operation while variable expression
consist of both numeric and variables constants.
d dozen of eggs converted to numerical or variable expression:
=> There are 12pieces of eggs in 1 dozen, so
that is 12x1=12
=> Therefore, the numerical value is 12 x d or simply
12d </span>