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SVETLANKA909090 [29]
3 years ago
10

What are the roots of f(x)=-(x-2)^2 +4

Mathematics
1 answer:
bonufazy [111]3 years ago
5 0

put it in for u https://www.symbolab.com/solver/roots-calculator/f%5Cleft(x%5Cright)%3D%5Cleft(x-2%5Cright)%5E%7B2%7D%2B4

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Find the value of the length a x rounded to 1 DP. The diagram is not drawn accurately
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Answer:

x ≈ 3.7 m

Step-by-step explanation:

Use the right triangle on the left to find the height h , using the sine ratio

sin39° = \frac{opposite}{hypotenuse} = \frac{h}{7} ( multiply both sides by 7 )

7 × sin39° = h , then

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Using the tangent ration on the right side right triangle, then

tan50° = \frac{opposite}{adjacent} = \frac{h}{x} = \frac{4.4}{x} ( multiply both sides by x )

x × tan50° = 4.4 ( divide both sides by tan50° )

x = \frac{4.4}{tan50} ≈ 3.7 m ( to 1 dec. place )

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4 years ago
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3 years ago
Is 4/6 greater than 4/7?
dexar [7]
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