The lines have equal gradients;
m
Equation of line 2;
y=mx+c
y=
x+c
-15=
+c
c=-11
y=4/5x-11
m
Equation of line 2;
y=mx+c
y=
-15=
c=-11
y=4/5x-11
The formula for the lateral area of a right cone is LA = rs, where r is the radius of the base and s is the slant height of the
2 answers:
Answer:
The equivalent ratios are:
s = \frac{LA}{r}s=
r
LA
r = \frac{LA}{s}r=
s
LA
The formula LA = rsLA=rs is given
In order to determine the equivalent ratios, make r the subject of the formula and s the subject of the formula in the above equation
To make s, the subject of the equation, divide both sides of the equation by r
s = \frac{LA}{r}s=
r
LA
To make r, the subject of the equation, divide both sides of the equation by s
r = \frac{LA}{s}r=
s
LA
Step-by-step explanation:
the Answer is Above The Image Or The Answer box
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<u>Expansion of PEDMAS: </u>
Parenthesis, Exponents, Division, Multiplication, Addition, Subtraction.
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Finally do the addition.
Hence the answer is 80.