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son4ous [18]
2 years ago
12

Which expression is equivalent to (43) (

Mathematics
1 answer:
Brut [27]2 years ago
5 0
2x+1=81 so the answer is c
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Roman stands across from a flag pole.
Eva8 [605]
The answer is 13.2 m.
Because we are only given the hypotenuse, adjacent, and theta measurements.
the opposite side is always opposite theta. In this case, theta is 39 degrees. The hypotenuse is always the slant of the triangle, so it is 17 m. And adjacent is obviously the only one left, in this case, it is x.

You have to use sin, cos, or tan for this problem. You would use cos because cos = adjacent /hypotenuse (x/17)

so you would do cos(39) times 17
x = cos(39) * 17
x = .777 * 17
x = 13.21 

And it says round to the nearest tenth, so it is 13.2 m.
Hope this helps.

3 0
3 years ago
Read 2 more answers
In a 30-60-90 triangle the long leg is half the hypotenuse.<br><br> always<br> sometimes<br> never
Gnesinka [82]

Answer: Never

Step-by-step explanation: Let me know if you need an explanation.

7 0
3 years ago
Read 2 more answers
2.
antoniya [11.8K]

Answer:

25 kilograms= 55.1156 pounds

Step-by-step explanation:

8 0
3 years ago
A 10 inch cookie cake is divided into 8 slices. What is the area of 3 slices
brilliants [131]

Answer:

The area of 3 slices is \frac{75}{8}\pi\ in^2  or approximate 29.4\ in^2

Step-by-step explanation:

<em>Find out the area of the cookie cake</em>

The area of the circle (cookie cake) is

A=\pi r^{2}

we have

r=10/2=5\ in ----> the radius is half the diameter

substitute

A=\pi (5)^{2}

A=25\pi\ in^{2}

Remember that the area of the complete cookie cake subtends a central angle of 360 degrees

If the cake is divided into 8 slices

then

The central angle of each slice is equal to

360/8=45°

The central angle of 3 slices is equal to

3(45°)=135°

By proportion

Find out the area of 3 slices

Let

x ----> the area of 3 slices

\frac{25\pi}{360}=\frac{x}{135}\\\\x=25\pi(135)/360\\\\x=\frac{3,375}{360}\pi\ in^2

Simplify

\frac{75}{8}\pi\ in^2 ----> exact value of the area of 3 slices

Find out the approximate value of the area of 3 slices

assume

\pi =3.14

substitute

\frac{75}{8}(3.14)=29.4\ in^2

5 0
4 years ago
I don’t understand ?????
Artemon [7]
The answer is 27/4 bruh
6 0
4 years ago
Read 2 more answers
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