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uysha [10]
3 years ago
7

A circle has a radius of 4 meters.

Mathematics
1 answer:
jeka943 years ago
8 0
That would be  1/2 r^2 theta  where r = radius and theta = angle in radians sp her we have

Area of sector = 1/2 * 4^2 * 2.4 =  8 * 2.4  =  19.2 m^2 Answer
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padilas [110]

it's C because the floor area is 120 square feet and the walls are 8 feet so if you multiply 120 × 8 you get 960.

8 0
3 years ago
In order to estimated number of monkeys living in a certain rainforest Brenda catch a 64 monkeys marks them and releases them la
Brums [2.3K]

Answer:

1600 monkeys

Step-by-step explanation:

if you multiply the 950 monkeys with the 38 marked, you have  1900 monkeys and 76 marked, so if you make some estimation, the nearest is 1600 monkeys.

brainliest please ;)

8 0
4 years ago
Help me please, I don’t understand
Varvara68 [4.7K]
It's 106° because those the angle given and the angle they're asking for are corresponding angles
4 0
3 years ago
A ball is shot from a cannon into the air with an upward velocity of 65 ft/sec. The equation that gives the height (h) of the ba
Sveta_85 [38]

Answer:

Step-by-step explanation:

Find AOS

X = -b/2a

X = -65/2(-14)

X = -65/-28

X = 2.32 secs

t = 2.32secs

A) y value when t = 2.32 is the maximum height.

Substitute t in the equation.

h(t)= -14t^2+65t+1.75

h(t)= (-14 * 2.32²) + (65 * 2.32) + 1.75

= (-14 * 5.38 ) + (65 * 2.32) + 1.75

= -75.35 + 150.8 + 1.75

= 77.2 ft

Maximum height attained by the ball = 77.2 ft

B) Time the maximum height achieved = 2.32secs

C) The ball off of the ground when it was shot is well t = 0

Substitute t in equation

h(t)= -14t^2+65t+1.75

h(0)= (-14 * 0²) + (65 * 0) + 1.75

= 0 + 0 + 1.75ft

The ball is 1.75ft off the ground when it was shot.

7 0
4 years ago
In a certain arithmetic sequence, if -4 is the first term and 10 is the third term, which term is 157?
likoan [24]

Answer:

a₁₅₇ = 1,088

Step-by-step explanation:

aₙ = a₁ + d(n-1); where 'd' if common difference

a₁₅₇ = -4 + 7(156)

      = -4 + 1092

      = 1,088

4 0
3 years ago
Read 2 more answers
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