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natita [175]
3 years ago
14

During the early 20th century, in what way was the radio better than the phonograph in encouraging the concept of crosspollinati

on?
Select one:
a. Phonographs were mostly owned by the wealthy
b. There were not enough records available
c. Phonographs were inferior in sound quality
Mathematics
1 answer:
ololo11 [35]3 years ago
6 0

C. Phonograph were inferior in sound quality.

Step-by-step explanation:

Researches have shown that plants respond to the sounds of their pollinator.

Some plants begin to produce a greater amount of nectar and some begin to vibrate to attract the attention of the pollinators towards them.

Greater the intensity of the sound of the pollinator, the faster the reaction will be.

Phonographs have a sound of lower intensity when compared to the intensity of sound produced by the radio.

Thus the radio was better than the phonograph in encouraging the concept of cross-pollination.

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The set of ————— consists of counting numbers, their opposites, and zero.
Nookie1986 [14]

Answer:

Integers

Step-by-step explanation:

Counting Numbers are {1,2,3,4,5,...}

Its opposite would be -1,-2,-3,-4,-5,... respectively.

It includes 0 so the whole set would be

{ ..., -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, ... }

which is set of integers.

3 0
3 years ago
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I don’t know how to do this?
QveST [7]

Answer:


Step-by-step explanation:

If 70 is 50% then 140 is 100%.

c is 75% of 140 = 105

a is 25% of 140 = 35

b is 100% of 140 =140

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3 years ago
When y = 24, x = 3<br> Find y when x = 4
Flura [38]

Answer:

y=32

Step-by-step explanation:

The relationship between the value of x and y is multiplying by 8, therefore when x equals 4, y equals 32.

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2 years ago
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Felicity set the thermostat of her refrigerator to 37°F. The refrigerator temperature t in degrees Fahrenheit h hours after the
kirill115 [55]

Answer:

Period=6

Step-by-step explanation:

Given:

t=1cos(1.05h)+37

Using acos(bx-c)+d to find the period of the given function

amplitude= a

period= 2π/Bb

phase shift=c (positive is to the left)

vertical shift=d

comparing with t=1cos(1.05h)+37, we get

a=1

b=1.05

c=0

d=37

period= 2π/b

          =2π/1.05

          =5.983

          =6

Period of function is 6, after every 6 hours the refrigerator sensor will reach its maximum temperature and the cycle will move towards reducing temperature i.e it'll reach the minimum temperature then again the cycle will move upwards raising the temperature to maximum and so one period will be completed!

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3 years ago
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Plz help me
Iteru [2.4K]

Answer:

I think the answer is 60 feet.

Step-by-step explanation:

Because his rate is 2 feet per second and the question asks where he'll be after 30 seconds, the answer has to be 60 feet.

I hope this helps!

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3 years ago
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