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3 years ago

A change in heat energy can lead to a change in phase of or state of matter

Mathematics

2 answers:

il63 [147K]3 years ago

4 0

Answer:

Step-by-step explanation:

if an object is losing heat energy, it turns cold, and can turn into a solid, for example, water turning into ice. If you apply heat on ice, it's turns back to water. IF you apply heat to water, it vaporizes, and turns into gas.

ziro4ka [17]3 years ago

3 0

Answer:

true

Step-by-step explanation:

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What is the value of the 9th term in the following geometric sequence?

earnstyle [38]

Answer: The correct option is (D) 196608.

Step-by-step explanation: We are given to find the value of the 9th term in the following geometric sequence :

3, 12, 48, 192, . . .

We know that

the n-th term of a geometric sequence with first term a and common ratio r is given by

$a_n=ar^{n-1}.$

For the given sequence, we have

first term, a = 3 and the common ratio, r is given by

$r=\dfrac{12}{3}=\dfrac{48}{12}=\dfrac{192}{48}=~~.~~.~~.~~=4.$

Therefore, the 9th term of the given sequence will be

$a_9=ar^{9-1}=3\times 4^8=3\times65536=196608.$

Thus, the required 9th term of the given sequence is 196608.

Option (D) is CORRECT.

7 0

3 years ago

Multiplication scale

DerKrebs [107]

Answer:

here is a multiplication scale

Step-by-step explanation:

8 0

3 years ago

A survey about the student government program at a school finds that of 245 students:

Elis [28]

100 have smoked at last once

8 0

3 years ago

Each night, Abby recorded how many pages of a book she read before going to bed. Her data is as follows: 7, 9, 10, 6, 8, 12, 5,

aksik [14]

Answer:

mean = 12.9

median = 9.5

Step-by-step explanation:

mean = sum of all observations / total no. of observations

= 7+9+10+6+8+12+5+11+48+13 / 10

=129 / 10

= 12.9

median = middlemost no. after arranging in ascending order

= 5,6,7,8,9,10,11,13,48

=9 and 10

=9+10 / 2

= 19 / 2

= 9.5

8 0

3 years ago

18 is what percent of 20

nirvana33 [79]

18 is 90% of 20
That is the correct answer :)

7 0

3 years ago