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Nuetrik [128]
2 years ago
14

A triangle has side lengths of 21, 27, and 35 inches. Is it right triangle?

Mathematics
1 answer:
DIA [1.3K]2 years ago
3 0
Answer: No
In right triangle we have 30:60:90
and the ratios are
x: x root of 3: 2x
so, for example, if we have side of length 3 against 30 degrees, then against 60 degrees the side will be 3 root of 3, and against 90 degrees it will be 6.
Hope it helps!
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What are all the exact solutions of -3tan^2x+1= 0? Give your answer in radians
lord [1]

Answer:

x = π(n - \frac{1}{6})

Step-by-step explanation:

Find attached Solution

6 0
3 years ago
Please help me answer thanks.
Dmitry_Shevchenko [17]

Answer:

see explanation

Step-by-step explanation:

Given that M is directly proportional to r³ then the equation relating them is

M = kr³  ← k is the constant of proportion

To find k use the condition when r = 4, M = 160, thus

160 = k × 4³ = 64k ( divide both sides by 64 )

2.5 = k

M = 2.5r³ ← equation of variation

(a)

When r = 2, then

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(b)

When M = 540, then

540 = 2.5r³ ( divide both sides by 2.5 )_

216 = r³ ( take the cube root of both sides )

r = \sqrt[3]{216} = 6

5 0
3 years ago
Did I get this right?
wel

Yes hope it helps!!!!!!!!

4 0
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