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riadik2000 [5.3K]
3 years ago
15

FIND THE MISTAKE PLEASE

Mathematics
1 answer:
LenKa [72]3 years ago
5 0

Answer:

-2x

Step-by-step explanation:

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Help 15 points!!!!!!!!!!!!!!!!!!!!!
Svetllana [295]

Answer:

see explanation

Step-by-step explanation:

Using the tangent ratio in the right triangle

tan A = \frac{opposite}{adjacent} = \frac{BC}{AC} = \frac{7}{8} , then

∠ A = tan^{-1} (\frac{7}{8} ) ≈ 41° ( to the nearest degree )

The sum of the angles in the triangle = 180° , then

∠ B + 41° + 90° = 180°

∠ B + 131° = 180° ( subtract 131° from both sides )

∠ B = 49°

Using Pythagoras' identity in the right triangle

AB² = BC² + AC² = 7² + 8² = 49 + 64 = 113 ( take square root of both sides )

AB = \sqrt{113} ≈ 10.6 ( to the nearest tenth )

3 0
3 years ago
Hi i need help please
Likurg_2 [28]

Answer:

28

Step-by-step explanation:

16 Ada to eves house

12 Eva to pool

28

7 0
3 years ago
Read 2 more answers
BRAINLYEST
Sedaia [141]

Answer:

2 \frac{1}{3}

Step-by-step explanation:

The absolute value of a number is the value of x (the number) without a negative, 2 and a third is already positive, so that is the answer :D

Hope this helps, good luck! :)

5 0
3 years ago
Read 2 more answers
259 Students go on a field trip. There are 19 vehicles, some vans and some buses.
Sunny_sXe [5.5K]

Answer:

12 vans

7 Buses

Step-by-step explanation:

I tried multiple versions but I finally got it right.

Since the buses can hold 25 students at a time I multiplied it by 7.

7 x 25 = 175

Then you'll need to find the remainder.

259-175 = 84

This number would be used to find the students going in the van

84/7= 12

So in total there would be 12 vans

and 7 buses

I hope this helps

5 0
3 years ago
Are you able to write?
Volgvan

Answer:

Well isn't anyone able to write?

3 0
3 years ago
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