Solve the formula for the indicated variable.

Mathematics

2 answers:

Pavel [41]3 years ago

4 0

Answer:

Step-by-step explanation:

Perimeter P = a + b + c

find b

P - a - c = b

b = P - a - c

kolbaska11 [484]3 years ago

3 0

Answer: b = p - a -c

Step-by-step explanation:

p= a + b + c Solving for b means getting b on one side by itself.

p = a + b + c To solve for b first subtract a from both sides to get,

-b -b

p - a = b + c Now subtract c from both sides to get

-c -c

p - a - c = b

b = p - a -c

You might be interested in

How do I solve this?

Ivenika [448]

$\overline{XS}\cong\overline{YT}\Rightarrow 3m+7=4.2m+5\ \ \ |-7\\\\3m=4.2m-2\ \ \ \ |-4.2m\\\\-1.2m=-2\ \ \ \ |:(-1.2)\\\\m=\dfrac{2}{1.2}\\\\m=\dfrac{20}{12}\\\\m=\dfrac{5}{3}\to m=1\dfrac{2}{3}$

$\overline{YS}\cong\overline{XT}\Rightarrow3\dfrac{1}{2}r+2=2r+5\ \ \ \ |-2\\\\3\dfrac{1}{2}r=2r+3\ \ \ \ |-2r\\\\1\dfrac{1}{2}r=3\ \ \ |\cdot2\\\\3r=6\ \ \ \ |:3\\\\r=2$