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dangina [55]
2 years ago
8

Which of the following phrases are equations? Choose 2 answers:

Mathematics
1 answer:
Oliga [24]2 years ago
7 0

I think it's D and B are correct

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Find a ratio equivalent to 12/21 with lower terms
dmitriy555 [2]

Find factors of 12 and 21

Divide 3 from both numerator and denominator.

(12/21)/(3/3) = 4/7

4/7 is your ratio equivalent to 12/21

hope this helps

3 0
3 years ago
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How can I calculate the angle of elevation from point A to B?​
Sav [38]
If I remember correctly I’m pretty sure you need to subtract
3 0
3 years ago
An airplane pilot over the Pacific sights an atoll at an angle of depression of 10°. At this time, the horizontal distance from
Alex17521 [72]
The question was posted incomplete.

This is the part missing:

<span>What is the height of the plane to the nearest meter?

Answer:  559 m.

Explanation:

1) The horizontal distance between the plane and tha atoll makes a right triangle with the height, with the depression angle between the two legs.

2) Therefore, you can use the tangent trigonometric ratio:

tan(10°) = opposite-leg / adyacent-leg = height / horizontal distance

⇒ height = horizontal distance × tan (10°)

⇒ height = 3,172 m × tan(10°) = 559.31 m, which rounded to the nearest m is 559
</span>
6 0
3 years ago
Please help Ill give brainlest
sveticcg [70]

Answer: D

Step-by-step explanation:

6 0
3 years ago
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The complement of an angle is $5^{\circ}$ more than four times the angle. what is the number of degrees in the measure of the an
Anna11 [10]

Answer:

  17°

Step-by-step explanation:

Let x represent the measure of the angle.

  (90 -x) = 5 + 4x . . . . the complement is 5° more than 4 times the angle

  85 = 5x . . . . . . . . . . add x-5 to both sides

  17 = x . . . . . . . . . . . . divide by 5

The measure of the angle is 17°.

3 0
3 years ago
Read 2 more answers
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