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sergiy2304 [10]
3 years ago
14

Select the correct answer.

Mathematics
1 answer:
Readme [11.4K]3 years ago
3 0

Answer:

i think it might be the letter D

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strawberries cost $2 per pound and gets 20% discount on the total cost. How much does Kate pay for the strawberries?
Ostrovityanka [42]
2 x 0.20 = 0.40

2.00 - 0.40 = $1.60.
4 0
3 years ago
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The point (−3, 1) is on the terminal side of angle θ, in standard position. What are the values of sine, cosine, and tangent of
alexandr402 [8]

see the attached figure to better understand the problem

Let

A(-3,1) B(0,0) C(-3,0)

we know that

the point A belong to the II quadrant

so

sin θ is positive

cos θ is negative

tan θ is negative

θ + α= 180 --------> by supplementary angles

in the right triangle ABC

sin α=opposite side angle α/hypotenuse

opposite side angle α=AC------> 1 units

hypotenuse----> AB------> applying the Pythagorean Theorem

AB²=AC²+BC²------> AB²=1²+3²-----> AB=√10 units

sin α=1/√10

cos α=adjacent side angle α/hypotenuse

adjacent side angle α=BC------> 3 units

hypotenuse----> AB------> √10 units

cos α=3/√10

tan α=opposite side angle α/adjacent side angle α

opposite side angle α=AC------> 1 units

adjacent side angle α=BC------> 3 units

tan α=1/3

Find angle α

α=arc tan (1/3)------>α=18.43°

Find angle θ

θ=180°-α------> θ=180-18.43-------> θ=161.57°

Hence

the answer is

θ=161.57°

α=18.43°

sin θ=+1/√10

cos θ=-(3/√10)

tan θ=-1/3

3 0
3 years ago
Write the vertex and indicate if the graph opens up or down.
Reil [10]
The answer is A,) (-2,-5) because I just did it in my CASIO calculator
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Maggie takes three electives: art, Spanish, and creative writing. She calculated the mean absolute deviation of the points she e
stiv31 [10]

Answer:

i think its art

Step-by-step explanation:

6 0
2 years ago
Every 3 weeks 8 students will lose their metro cards... How many will lose it in 9 weeks
Marina86 [1]
First we must divide 9 by 3.

9/3 = 3

Then multiply it by 8

3*8 = 24. Hope this helps!

7 0
3 years ago
Read 2 more answers
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