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qaws [65]
3 years ago
14

4. It takes Zack 30 minutes to walk 7.5 blocks to the swimming pool. At this rate, how many blocks can he walk in

Mathematics
1 answer:
inna [77]3 years ago
7 0

Answer:

He can walk 0.25 blocks in 1 minute

Step-by-step explanation:

If Zack can walk 7.5 blocks in 30 minutes and we are looking for how many blocks he can walk in 1 minute, we will divide 7.5 by 30 as that will be the number of blocks per minute.

7.5/30 = 0.25

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hello! I need some help, this is one of my review problems and I don't remember how to do it! So assistance would be appreciated
ladessa [460]

Answer:

  (2x^3)(3x^3 +2x +5)

Step-by-step explanation:

The key words here are "greatest common factor." They have their usual English meanings. A common factor is one that is a multiplier in every term, so you need to look to see what those are. The "greatest common factor" is the largest common factor you can find.

  first term: 2·3·x·x·x·x·x·x

  second term: 2·2·x·x·x·x

  third term: 2·5·x·x·x

A common factor is a factor that is on every list. I have shown them in bold. Once the common factor is factored out, the remaining factors are summed according to the distributive property.

 6x^6 +4x^4 +10x^3 = (2x^3)(3x^3 +2x +5)

_____

Of course you recognize that each of the coefficient numbers is even. That means they are all divisible by 2. So, you know right away that 2 is a common factor.

There are powers of x in every term. The lowest power of x is x^3, and all the other powers are higher, so you know that x^3 will be a common factor, too. Having got this far, you can factor out 2x^3 and see if any of the remaining terms seem to have anything in common. They don't.

4 0
3 years ago
Adeline sets her music player to randomly select songs from her collection. She has 9 country songs, 11 jazz songs, 3 rap songs,
solong [7]

Answer:

A

Step-by-step explanation:

(3+6)/(9+11+3+6)

= 9/29

6 0
4 years ago
2 Write 3 x 10 in standard notation.​
Zina [86]

Answer:

30

Step-by-step explanation:

3 x 10 = 30

add the 0 from ten to 3 and you get 30

5 0
3 years ago
Find the missing values.
Gnom [1K]
5y + 7 = 52
5y = 52 - 7
5y = 45
y = 9

\frac{40}{60} = \frac{x+12}{42} 

\frac{2}{3} = \frac{x+12}{42} 

3(x+12) = 2 x 42
3x + 36 = 84
3x = 84 - 36
3x = 48
x = 16

Angle H = 180 - 52 - 36 = 92
5 0
3 years ago
Which data set is the most spread from its mean?
Digiron [165]

Answer:

Tha mean is 23 which means there is no answer:)

<u>14, 26, 24, 28:</u> still 23

<u>22, 16, 18, 36:</u>STILL 23

<u>22, 28, 20, 22: </u><u>23</u>

<u>21, 19, 27, 25:</u> STILL 23

6 0
3 years ago
Read 2 more answers
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