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sasho [114]
3 years ago
11

Okayy someone please help :)

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
6 0

Answer:

C

Step-by-step explanation:

No problem!

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Given the right triangle below, what is the value of cos B?
Nikitich [7]

Answer:

D, 5/13

Step-by-step explanation:

The cosine of an angle is the adjacent side over the hypotenuse. In this case, that is 5/13. Hope this helps!

8 0
3 years ago
Write an equation in slop _intercept form of the line that bisects the angle formed by BA and BC
kotegsom [21]

Answer:

y = -x + 2

Step-by-step explanation:

Angle between these lines = 90°

Angle between BC and the angle bisector BD = 45°

Since, m(∠DBE) = 90° + 45° = 135°

Therefore, slope of the angle bisector BD = tan(90° + 45°)

                                                                      = -tan(45)°

                                                                      = -1

Let the equation of the angle bisector which passes through (x', y') and slope = m,

y - y' = m(x - x')

Where m = slope of the line = (-1)

Since, the angle bisector passes through a point B(-1, 3),

Equation of BD will be,

y - 3 = (-1)(x + 1)

y - 3 = -x - 1

y = -x - 1 + 3

y = -x + 2

8 0
3 years ago
Need answers for 1-9.
FinnZ [79.3K]
The answer is negative 8. Hope this Helps.
4 0
3 years ago
By what percent would the area of the rectangle change if the width of the rectangle is increased by 50% and the length is incre
belka [17]

Answer:

. i think it's wrong

7 0
3 years ago
Evan went to the park and saw four animals.
dsp73

Answer:

He saw <u>1 duck</u> and <u>3 dogs</u>.

Step-by-step explanation:

Given:

Evan went to the park and saw four animals.

Each animal was either a duck or a dog.

He saw a total of 14 legs.

Now, to find the number of each animal he had seen.

Let the number of duck be x.

And the number of dog be y.

So, total number of animals:

x+y=4\\y=4-x

Now, the total number of legs he did see:

<em>As we know the legs of a duck are 2 and a dog are 4.</em>

2x+4y=14\\2x+4(4-x)=14\\2x+16-4x=14\\-2x+16=14

Adding both sides by -16 we get:

-2x=-2

Dividing both sides by -2 we get:

x=1

The number of duck = 1.

Now, putting the value of x in above equation we get:

y=4-x

y=4-1\\y=3.

The number of dogs = 3.

Therefore, he saw 1 duck and 3 dogs.

4 0
3 years ago
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