Answer:
9.647×10^7
Step-by-step explanation:
The decimal is moving to the left so the 7 is positive.
Answer:
See below ~
Step-by-step explanation:
<u>3a : Area of the triangle</u>
- A = 1/2bh
- A = 1/2 x 10 x 8
- A = 5 x 8
- A = <u>40 m²</u>
<u>3b : Area of the semicircle</u>
- Finding the radius (equal to 1/2 of the triangle hypotenuse)
- Apply Pythagorean Theorem here
- √8² + 10² = d
- √64 + 100 = d
- d = √164
- d = 2√41
- r = √41
- A = πr²/2
- A = 3.14 x (√41)² / 2
- A = 1.57 x 41
- A = <u>64.4 m²</u> (nearest tenth)
Answer: 317.39
Step-by-step explanation:
The price of the guitar decreased by15%
Original price is 275.99
To get the reduced amount
It will be 15% of the exact amount and add to the exact to get the original
15/100×275.99
=41.3985
To get exact,
reduced amount + sold price
=41.3985+275.99
=317.3885
=317.39
Step-by-step explanation:
In order for us to find the circumference, we need to find the radius from the given area by rearranging the area formula.
Now that we have the radius, we can find the circumference.
So, when given 113.1 in sq for the area, the circumference of the circle is 37.68 in.
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