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anastassius [24]
3 years ago
11

What is the area of the segment?

Mathematics
1 answer:
SVEN [57.7K]3 years ago
6 0

Answer:

28.54 ft²

Step-by-step explanation:

Area of segment = (\frac{\theta * \pi}{360} - \frac{sin(\theta)}{2}) * r^2

Where,

\theta = 90

r = 10 ft

Plug in the values

(\frac{90 * \pi}{360} - \frac{sin(90)}{2}) * 10^2

(0.7854 - 0.5) * 100

(0.2854) * 100

= 28.54 ft²

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Ede4ka [16]

Answer:

115 - 90 = 25

Step-by-step explanation:

115 - 90, which is equal to 25, is less than or equal to x!

3 0
2 years ago
Please help with math it’s trigonometry and laws of sine I’m being timed
Arturiano [62]

Step-by-step explanation:

x² = 50²+ 55² - 2 • 50 • 55 • cos61°

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3 years ago
Please help me to figure out this question. Thanks
Marta_Voda [28]

Answer:

a) 5 : 7

b) 25 black keys

c) 100 black keys will appear.

Step-by-step explanation:

a) From the picture,

There are 5 black keys and 7 white keys.

Therefore, the ratio of black keys to white keys are = 5 : 7 = 5/7

b) If the pattern continues, 25 black keys will be appeared on a portable full-sized keyboard.

Explanation -

From part A, we get the ratio of black keys to white keys = 5 : 7. Therefore,

If there are 7 white keys, there are 5 black keys

If there are 1 white keys, there are 5/7 black keys

If there are 35 white keys, there are (5*35)/7 black keys

= 25 black keys.

c) If there are 240 keys, the black keys will appear -

We get, the ratio of black keys to white keys = 5 : 7

The summation of the black keys and white keys = (5 + 7) = 12.

Therefore, if there are 240 keys, the black keys will be

= (5/12) x 240

= (5 x 240)/12

= 100

Therefore, there are 100 black keys.

7 0
3 years ago
FASTTTTTTTTTT HELPPPPPPPP
elena55 [62]

44 x 15 = 660

660/2 = 330

330cm^2

8 0
2 years ago
Read 2 more answers
75. Simplify the expression: -2x(4x^2 - 5x + 3)
Karolina [17]

-2x(4x² - 5x + 3)    Distribute/multiply -2x into (4x² - 5x + 3)

(4x²)(-2x) - (5x)(-2x) + (3)(-2x)

-8x³ + 10x² - 6x


Your answer is the 3rd option

3 0
3 years ago
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