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aleksklad [387]
3 years ago
7

In the right triangle below, tanA = 0.45. What is the approximate length of AB?

Mathematics
2 answers:
mina [271]3 years ago
7 0

Answer:

the correct answer is D: 22 units

garik1379 [7]3 years ago
6 0
In the right triangle ABC wherein AB is the hypotenuse, BC is the opposite and CA is the adjacent tanA=0.45. The approximate length of AB which is the hypotenuse is 22, Opposite (BC) is 9 and Adjacent (CA) is 20. You need to use pythagorean formula in getting the length of AB.

YOUR ANSWER IS (22).
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Answer:

(2x+5)(4x^{2} -10x+25)=0

Step-by-step explanation:

Given:

The given equation is.

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(2x)^{3} +5^{3}=0----------(1)

The sum of the cube formula is given below.

(a^{3} +b^{3})=(a+b)(a^{2} -ab+b^{2} )-----------(2)

By comparing equation 1 and equation 2

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substitute a and b value in equation 2

((2x)^{3} +5^{3})=(2x+5)((2x)^{2} -(2x)(5)+5^{2})

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Therefore the sum of the cube (2x+5)(4x^{2} -10x+25)=0

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