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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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A rectangular deck is 12ft by 14ft. When the length and width are increased by the same amount, the area becomes 288sq. ft. By h
Cerrena [4.2K]

Dimensions of rectangle = 12 + x and 14 + x

(12 + x) (14 + x) = 288

 x^2 + 26x + 168 = 288

 x^2 + 26x - 120 = 0


(x + 30) (x - 4) = 0

x=-30, x =4

 since 4 is positive

 the dimensions increased by 4 feet

check the answer

12+4 = 16

14 +4 = 18

18*16 =288

 


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3 years ago
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Suppose the students who scored 85 and 90 on the math test take the test again and score 95 how manu stars would you have to add
Akimi4 [234]
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Describe how a sequence can be used to determine the height of the ball when it reaches its fourth peak.
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4 years ago
X^+8x+6 Find the value that makes each trinomial a perfect square
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coldgirl [10]

Answer:

<h2>The triangle is scalene.</h2>

Step-by-step explanation:

The given problem states:

<em> "A circle is inscribed in the triangle so that three of the six resulting segments of the tangents are 3 cm 4 cm 5 cm. Determine the type of triangle"</em>

<em />

The triangle is scalene, because of the tangents produce non-equal parts between sides, it means that the whole three sides are also non-equal.

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Therefore, the triangle is scalene.

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