Answer:
10.3cm
Step-by-step explanation:
h=A
b=131.84
12.8≈10.3cm
Answer:
x^2 + 5n = 4mx
=> x^2 - 4mx + 5n = 0
D=0 (since one root then roots are equal)
b^2-4ac = 0
(-4m)^2 - 4(1)(5n) = 0
16m^2 - 20n = 0
16m^2 = 20n
8m^2 = 10n
4m^2 = 5n
hope it helps.......
Answer:
88
Step-by-step explanation:
Formula for area of a circle: A= C^2/ 4 π
A= 64^2/ 4 π
A= 4,096/ 4 π
A=3,216.99087728
A≈3,216
The area of the clock is about 3,216 inches
Answer:
<h2>

</h2>
Step-by-step explanation:

Remove unnecessary parentheses

When there is a (-) in front of an expression in parentheses, change the sign of each term in the expression

Collect like terms


Add the numbers

Use the commutative property to reorder the terms

Hope this helps...
Best regards!!