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Ilya [14]
2 years ago
11

Help anyone?? need to get this done

Mathematics
1 answer:
erik [133]2 years ago
6 0
1) 16
2) 14
3) 21
4) 7
5) 44
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Lisa is 34 years old.two years ago she was twice as old as her brother.How old is her brother now?
faltersainse [42]
Her brother would have been 16, which is half of 32 and now he would be 18 years old
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3 years ago
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Find the exact value of the indicated trigonometric function of θ.
Mariana [72]

Answer:

cosθ = -√(35/36)

tanθ = -1/√35

Step-by-step explanation:

We know that

sin²θ + cos²θ = 1

(1/6)² + cos²θ = 1

1 - (1/6)² = cos²θ

35/36 = cos²θ

sec θ = 1/ cosθ

1/ secθ = cos θ

Because secθ < 0, 1/ secθ would also be < 0, so cos θ < 0

cosθ = -√(35/36)

tanθ = sinθ/cosθ = (1/6)/-√(35/36)

= (1/6) / -(√35/6)

= -1/√35

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2 years ago
There were some people on a train 18 people get off at the first stop and 21 people get on the train there are now 65 people on
MissTica

Answer:

62

Step-by-step explanation:

5 0
3 years ago
$32 earrings marked up 20% ,,, I need explanation on how to figure out??
Ludmilka [50]
32*1.2=38.4 (.2 is the 20%, and the 1 adds the percent to the original cost making it a mark up)
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What is the answer ?
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x= y+2/3+4

Step-by-step explanation:

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