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Yuliya22 [10]
3 years ago
11

Determine the value of x in the given diagram, when a║b.

Mathematics
1 answer:
mixer [17]3 years ago
7 0
155 degrees is the answer
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Simplify the expression by using a double-angle formula or a half-angle formula. (a) 2 tan(5°) 1 − tan2(5°)
antoniya [11.8K]

The question is related to trigonometry and we have to use the formula of double angle .

Here we use double angle formula of tangent function which is

tan(2x) = \frac{2tan(x)}{1-tan^2(x)}

Given expression is

\frac{2tan (5 \degree)}{1-tan^2(5 \degree)}

Comparing it with double angle formula, we will get x = 5

SO the required expression is equal to

\frac{2tan (5 \degree)}{1-tan^2(5 \degree)}  =tan(2*5 )

\frac{2tan (5 \degree)}{1-tan^2(5 \degree)}  =tan(10 )

So the answer is tan(10) .

6 0
3 years ago
Kyle made a down payment of $850 towards his car loan. He will be paying $415 every month for 24 months. What will the car cost
Len [333]

The answer is B because the formula would be 850+(415*24) and the sum of that would be 10810.

5 0
3 years ago
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Luba_88 [7]

Answer:

B) Unequal

Step-by-step explanation:

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8 0
3 years ago
Options:<br> 14<br> 36<br> 16<br> 12
Lerok [7]

Answer:


12 million dollars.


Step-by-step explanation:


Let the sales in the first year be x million .

So the sales in the second year were x + 4 million, in the third year were 3(x + 4) and this is 48 million dollars.

So we have the equation 3(x + 4) = 48

3x + 12 = 48

3x = 36

x = 12 million dollars.

8 0
3 years ago
Eli is following this recipe to bake bread rolls.
lakkis [162]

Answer:

640g flour

16g salt

12g yeast

60ml oil

Step-by-step explanation:

300 x (4/3) = 400

so multiply all by 4/3

7 0
2 years ago
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