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vova2212 [387]
3 years ago
14

The domain _ is the set of inputs for a function

Mathematics
1 answer:
Ahat [919]3 years ago
4 0
78 is the set of inputs for a function
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In math class, 4 students complete individual surveys to determine the percentage of high school teachers that have a second job
Fudgin [204]
If your surveys are the following:
A. A survey of 110 teachers showed that 28 of them have a second job. 
<span>B. A survey of 90 teachers showed that 27 of them have a second job. </span>
<span>C. A survey of 70 teachers showed that 21 of them have a second job. </span>
<span>D. A survey of 80 teachers showed that 32 of them have a second job. 
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Then the answer is B and C
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3 years ago
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A population of bacteria is growing according to the exponential model P = 100e.70t, where P is the number of colonies and t is
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T=(log(300÷100)÷log(e))÷0.7
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3 years ago
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3. passes through (8. -4), slope = 1/2​
spayn [35]

Answer:

y=12x−8

Step-by-step explanation:

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3 years ago
A spherical exercise ball has a maximum diameter of 30 inches when filled with air. The ball was completely empty at the start,
Alex73 [517]

Answer:

A) A(t)  =  4500*π  -  1600*t

B) A(4)  =  7730 in³

C) t  =  8,8 sec

Step-by-step explanation:

The volume of the sphere is:

d max  =  30   r max  =  15 in

V(s) =  (4/3)*π*r³      V(s)  =   (4/3)*π* (15)³

V(s) = 4500*π

A)  Amount of air needed to fill the ball A(t)

A(t)  = Total max. volume of the sphere - rate of flux of air * time

A(t)  =  4500*π  -  1600*t    in³

B) After 4 minutes

A(4)  =  4500*π  - 6400

A(4)  =  14130 - 6400

A(4)  =  7730 in³

C)  A(t)  =  4500*π  -  1600*t  

when  A(t) = 0   the ball got its maximum volume then:

4500*π -  1600*t  =  0

t  =   14130/1600

t  =  8,8 sec

8 0
2 years ago
Help please! Will give brainiest if correct!
frosja888 [35]
Slope is 3/4
You are welcome
4 0
2 years ago
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