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tatiyna
2 years ago
14

Calculate the area and the circumference of the circle

Mathematics
2 answers:
tiny-mole [99]2 years ago
6 0

Circumference = 2 x radius x Pi

Circumference = 2 x 0.8 x pi

Circumference = 1.6pi or 5.024 yards


area = r^2 x pi

Area = 0.8^2 x pi

Area = 0.64pi or 2.0096 square yards

Ann [662]2 years ago
6 0

Given , <u>radius of circle is 0.8 yards</u>

We have to find circumference and area of the circle

Formula for finding area of circle :- πr²

Area :- 3.14×0.8² sq. yards

<u>Area :- 2.0096 sq. yards</u>

Formula for finding circumference of circle :- 2πr

Circumference :- 2×3.14×0.8 yards

<u>Circumference :- 1.884 yards</u>

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Step-by-step explanation:

(120 - 40)/2 = 80/2 = 40

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3 years ago
K=5/9(F+459.67) solve for F in terms of K
Mila [183]

Answer:

F = 5.67503704

Step-by-step explanation:

K=5/9(F+459.67)   K = 5/9F / 5/9  =  255.376667 / 5/9 = F = 5.67503704

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Find the real solution(s) of the equation. Round your answer to two decimal places when appropriate. 5x^6=30
Elina [12.6K]

Answer:

The real solutions are

x=\sqrt[6]{6}\approx 1.35\\\\\:x=-\sqrt[6]{6}\approx -1.35

Step-by-step explanation:

The solution, or root, of an equation is any value or set of values that can be substituted into the equation to make it a true statement.

To find the real solutions of the equation 5x^6=30:

\mathrm{Divide\:both\:sides\:by\:}5\\\\\frac{5x^6}{5}=\frac{30}{5}\\\\\mathrm{Simplify}\\\\x^6=6\\\\\mathrm{For\:}x^n=f\left(a\right)\mathrm{,\:n\:is\:even,\:the\:solutions\:are\:}x=\sqrt[n]{f\left(a\right)},\:-\sqrt[n]{f\left(a\right)}\\\\x=\sqrt[6]{6}\approx 1.35\\\\\:x=-\sqrt[6]{6}\approx -1.35

7 0
3 years ago
a woodworker wants to cut a board that is 8.225 feet long into 5 equal pieces. How long will each of the boards be?​
jok3333 [9.3K]

Answer:

1.645 feet

Step-by-step explanation:

To solve this you must divide the total length by 5. 8.225/5=1.645. Each board will be 1.645 feet long

3 0
3 years ago
Read 2 more answers
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