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3 years ago

PLEASE HELP ASAP WILL MARK BRAINLIEST

Mathematics

2 answers:

netineya [11]3 years ago

7 0

For the first one a=4 cuz 4x4=16

slavikrds [6]3 years ago

3 0

Answer:

6 -> 4/10

7 -> s √144 in

8 -> 0.4

9 -> s = ∛999 in

10 -> d = 3

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3 years ago

Read 2 more answers

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3 years ago

Which answer is it? 19 71 83 Second one is either yes or no

prohojiy [21]

Answer:

x = 71°

Yes.

Step-by-step explanation:

To solve for x, use the cosine trigonometric ratio. You can remember all of the trig. ratios with SohCahToa.

"Cah" tells us "cosine is adjacent over hypotenuse", or:

cosθ = adjacent / hypotenuse

θ means the angle of reference, or the angle we are talking about.

The hypotenuse is the longest side, usually looking slanted.

The adjacent side is touching angle θ and is not the hypotenuse.

Use the formula and substitute the sides.

cosθ = adjacent / hypotenuse

cosx = 4ft / 12ft Dividing two same units will cancel them out

x = cos⁻¹(4/12) Rearranged to isolate "x". Input into calculator.

x = 70.52877.....° Exact answer

x ≈ 71° Rounded answer

If 70° < x < 75°, the ladder is safe.

70° < 71°

71° < 75°

Since 71° is between 70° and 75°, the ladder is safe.

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4 years ago