2 years ago

J18 IXL NOW BEFORE TODAYY

Mathematics

2 answers:

Stella [2.4K]2 years ago

4 0

Answer:

heyyyyyyyyy

Step-by-step explanation:

Free pionts thx

lozanna [386]2 years ago

3 0

Answer: ?

Step-by-step explanation:

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Complete the statements.

spayn [35]

Answer:

1. 30

2. 150

Step-by-step explanation:

$3tan^2(x)-1 =0$

Lets assume tan(x) = u

$3u^2(x)-1 =0$

Now we solve for 'u'

add 1 on both sides

$3u^2(x) =1$ , divide both sides by 3

$u^2 = \frac{1}{3}$

Take square root on both sides

$u = +-\frac{1}{\sqrt{3} }$

We replace tan(x) for 'u'

$tan(x) = +-\frac{1}{\sqrt{3} }$

x = 30 because $tan(30) =+\frac{1}{\sqrt{3} }$ in first quadrant

x = 30 (tan is positive in first quadrant)

$tan(x) =-\frac{1}{\sqrt{3} }$

x = 150 because $tan(150) =-\frac{1}{\sqrt{3} }$ in second quadrant

tan is negative in second quadrant

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3 years ago

What is the answer for this? Please help... T[-4,5] (P) : (-2,1).

elena55 [62]

Answer:

I don't know hehehaha

Step-by-step explanation:

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2 years ago

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lions [1.4K]

2nd one is the answer to it.

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2 years ago

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saul85 [17]

Answer:

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2 years ago

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Two lengths are in the ratio 2:5. The second length is 75 cm. Find the first length.

vichka [17]

Answer:

30 cm

Step-by-step explanation:

2 * 15: 5 * 15

30:75

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2 years ago