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Leviafan [203]
2 years ago
5

Please answer this please

Mathematics
2 answers:
motikmotik2 years ago
6 0

Answer:

Step-by-step explanation:

lora16 [44]2 years ago
4 0
So first what you would have to do is separate the three triangles from the square by basically slicing the top from the bottom so now you have three identical triangles and one square then just add them all together
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BRAINLIESTTT. ASAP! PLEASE HELP ME :)
Vsevolod [243]

Answer: Choice A

\frac{\sqrt{6}+\sqrt{2}}{4}

========================================================

Work Shown:

\cos(30) = \frac{\sqrt{3}}{2}

\cos(\frac{x}{2}) = \sqrt{\frac{1+\cos(x)}{2}

\cos(\frac{30}{2}) = \sqrt{\frac{1+\cos(30)}{2}

\cos(15) = \sqrt{\frac{1+\frac{\sqrt{3}}{2}}{2}

\cos(15) = \sqrt{\frac{\frac{2}{2}+\frac{\sqrt{3}}{2}}{2}

\cos(15) = \sqrt{\frac{\frac{2+\sqrt{3}}{2}}{2}

\cos(15) = \sqrt{\frac{2+\sqrt{3}}{4}}

\cos(15) = \frac{\sqrt{2+\sqrt{3}}}{\sqrt{4}}

\cos(15) = \frac{\sqrt{2+\sqrt{3}}}{2}

\cos(15) = \frac{0.5\sqrt{6}+0.5\sqrt{2}}{2}  

\cos(15) = \frac{\sqrt{6}+\sqrt{2}}{4}

5 0
3 years ago
Identify the initial amount a and the growth factor b in the exponential function. f(x) = 620 • 7.8x
Ivanshal [37]
The given is f(x) = 620 · 7.8x

The standard equation for an exponential function is f(x) = Aoe^bx

where:
A is the initial amount
b is the growth factor which is constant
x is any real number

Therefore, the initial amount is 620 and the growth factor is 7.8
8 0
2 years ago
Read 2 more answers
If the point A is located at (-5,-3) and A’ is the image of A after being rotated about the origin by 270 (counter clockwise). W
Rom4ik [11]

Answer:

D (-3, 5)

Step-by-step explanation:

270 counter clockwise is the same as 90 clockwise.

For a 90° clockwise or 270° counter clockwise, take the opposite of the x coordinate then switch the coordinates.

(-5, -3) -----> (5, -3) ------> (-3, 5)

You can also rotate your screen 90° clockwise to see the new coordinates for A.

3 0
2 years ago
Which pairs of angles are alternate interior angles? Select all that apply.
andrezito [222]
<h3>Answers: Choice A and Choice C</h3>

Explanation:

Think of the vertical lines as train tracks (the metal rails).

Stuff between the rails are interior angles.

Angles 3 and 6 are one pair of alternate interior angles because they are on alternating sides of the transversal line. The other pair of alternate interior angles are angles 4 and 5.

Alternate interior angles are congruent when we have parallel lines like this.

7 0
2 years ago
Marty bought 4 new books today. he plans to read 2 of these while on vacation. how many combinations of 2 books from the group o
Grace [21]
6 :)

no. of books: 1 2 3 4
combinations: 12, 13, 14, 23, 24, and 34
8 0
3 years ago
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