Each angle measure of a regular polygon is 60°. What is the polygon?
2 answers:
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The correct answers are:
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1) " 0.8 = 80 % " .
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2) " = 62. 5 % " .
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3) " 0.01 = 1 % " .
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Explanation:
To solve:
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Write the numbers: " 0.8 " ; " 5/8 " ; <u><em>and</em></u>: " 0.01 " ; as "percentages" .
To write a "number" as a "percentage" :
- You take the "number" ;
- Multiply that "number" by "100" ; <em><u>AND</u></em>:
- add a "percent symbol";
→ that is: " % " ;
→ to denote the "percentage" ; or, "parts per hundred" .
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Let us start with the number: " 0.8 " .
→ " 0.8 " * 100 = ?
→ Take the decimal point, and move it 2 decimal spaces to the right; since we are "multiplying" by "100" (which has "2 zeros") ;
→ 0.8 * 100 = ? ; If we move the decimal space "one space" forward, we have: "8" . If we move the decimal space yet "one more space forward" ;
→ "8." to: " 80 " .
→ Then we add the "percent symbol":
→ " 80 " ; to: " 80 % "
Answer: " 0.8 = 80 % " .
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Other method:
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→ Note that "percentage" means: "parts per hundred" :
→ Given: " 0.8 " ; Convert to a "percentage" :
→ " 0.8 = " ;
→ " " ;
→ Find the "?" value.
→ To do so; look at the "denominators" :
→ " 10 * (what) = 100 " ?
→ Divide each side by "10" ;
→ " [10 * what ] / 10 = 100 / 10 " ;
→ to get:
→ " [what] " = "10" .
→ So; " " ;
→ If "{10 * 10 = 100}" ; then, "{8 * 10 = 80}" .
→ So; " {?} " = " 80 " .
→ So; " " ;
→ As such: " 0.8 " = " () " ;
= " 80 " parts per hundred ;
= " 80 % " .
Answer: " 0.8 " = 80 % " .
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Now, let convert: "()" ; into a percentage.
→ Multiply by "100" ;
→ "()" * 100 ;
→ "() * (
)" ;
→ "()" ;
→ "()" ;
= " { 500 ÷ 8 } " ;
= " 62. 5 " ;
→ Now, add the "percent symbol" ;
→ " 62. 5 " ; → 62. 5 % " .
Answer: " = 62. 5 % " .
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Now, let us finish with our last "given value":
Convert: " 0.01 " ; to a "percentage" :
→ " 0.01 " * 100 = ?
→ Take the decimal point, and move it 2 decimal spaces to the right; since we are "multiplying" by "100" (which has "2 zeros") ;
→ 0.01 * 100 = ? ; If we move the decimal space "2 spaces forward" , we have: " 1 " .
As such:
→ " 0.01 " to: " 1 " .
→ Then we add the "percent symbol":
→ " 1 " ; to: " 1 % " .
Answer: " 0.01 = 1 % " .
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Hope this answer is of help to you.
Best wishes!
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Answer:
Hello There!
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If you subtract the volume of the sphere from the cone, you'll get the volume you can fill with flavored ice. Right?
So that means, The volume left to put in flavored ice is :
So putting in the value for radius and height of the cone and radius of the sphere in the 2nd term will do the thing, I think.
.......
Okay, I think they didn't raise the power but wrote the exponent beside the number. It must be c. They wrote 32 so as to say 3^2 and wrote 0.553 to say (0.55)^3
So the answer is (C)
Hope this helped you. Brainliest would be nice!