6*3.6 =21.6. So the number 6 is in the tenth place.
Answer and Step-by-step explanation:
First work out the area of the semi circle so, To do this we find the area a circle and half it.
<em><u>We know that:</u></em>
→ The radius of the semi circle is 4.
→ To find the area of a circle is it radius² x π
→ Therefore the area of the semi circle is 4 ² x π
→ Then divide this by 2.
→ Then you should get 16 π which equals 50.26548246 cm ².
Now, to find the area of the triangle:
→ The area of a triangle is base x height divided by 2.
→ Therefore you should get 9 x 8 divided by 2 which you should get to 36 cm ².
→ Then add the two together to get:
86. 26548246.
→ Then round to the newest hundredth to get to the final answer of : <u>86.27cm².</u>
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in all- 14 pens
Composite numbers are numbers that aren't prime. Prime numbers are numbers that have only 2 factors; 1 and itself. Composite numbers have more than 2 factors (2+ pairs).
13 = 1 • 13. 13 is prime, not composite.
39 = 1 • 39, 3 • 13. 39 is composite.
Although we've found our composite number, let's keep searching (just in case).
PENDING NUMBERS: 39.
91 = 1 • 91, 7 • 13. 91 is a composite number.
139 = 1 • 139. 139 is prime.
Your two composite numbers are 39 & 91.
I hope this helps!
7.86 / 6 = 1.31 per unit
8.88 / 8 = 1.11 per unit
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