(8,72);y=x divided by 9
1 answer:
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Answer:
Step-by-step explanation:
<h2>Given that :</h2>- The radius of a circle is 2.9 in.
- Find the circumference to the nearest tenth.
- circumference = 2 × π × r
where,
- π = 22/7
- r = 2•9 inches
⟼ c = 2πr
⟼ c = 2 × 22/7 × 2•9 inches
⟼ c = 2 × 3•14 × 2•9 inches
⟼ c = 6•28 × 2•9 inches
⟼ c = 18•21 inches.
<h2>Round to the nearest tenth :</h2>⟼ c = 18•21 inches
⟼ c = 20 inches
∴ circle circumference is 20 inches .
Answer: W= 4
Step-by-step explanation:
Answer:
x = 5
Step-by-step explanation:
Using Pythagoras' identity in the right triangle.
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is
x² + 12² = 13², so
x² + 144 = 169 ( subtract 144 from both sides )
x² = 25 ( take the square root of both sides )
x = = 5