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Vesnalui [34]
3 years ago
9

Find the sum and express it in simplest form. (-3n^3 - 3n^2 - 5) + (8n^3 + 6n^2 - 4)

Mathematics
2 answers:
djverab [1.8K]3 years ago
5 0

Answer:

5n^3+3n^2-9

Step-by-step explanation:

you only add the coefficients

o-na [289]3 years ago
3 0

Answer:

Yfy

Step-by-step explanation:

Rhenish

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Answer:

17

Step-by-step explanation:

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Don reads 15 pages in 2 hours. At that rate, how long will it take him to read 45 pages? A 62 hours B 90 hours C 6 hours D 3 hou
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Answer: 6 hours

Step-by-step explanation:

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2 years ago
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PLS HELP WILL GIVE BRAINLEST 100Pts!!!
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Answer:

<h3>Car A</h3>
  • Initial price = $30000
  • Initial depreciation = 20%
  • Further yearly depreciation = $2000

<u>The equation to reflect the above:</u>

  • A(t) = 30000 - 0.2*30000 - 2000t ⇒
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<h3>Car B</h3>
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<u>The equation to reflect the above:</u>

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5 0
3 years ago
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Pls help me with this question
Sedbober [7]

7/12,  3/4,  4/7,  5/8,  4/7

Answer:  

Order from Least to Greatest

4/7    =       4/7     <       7/12    <    5/8   <   3/4  

Showing Work  

Rewriting as fractions if necessary:  

7/12, 3/4, 4/7, 5/8, 4/7  

The least common denominator (LCD) is: 168.  

Rewriting as equivalent fractions with the LCD:  

98/168, 126/168, 96/168, 105/168, 96/168  

Ordering these fractions by the numerator in order from least to greatest:  

96/168    =    96/168     <     98/168    < 105/168    < 126/168  

Therefore, your input in order from least to greatest is:

Answer   =======>   4/7    =   4/7    <    7/12    <     5/8    < 3/4


B):  1.35,   5/4,   1.349,  6/5, 7/6

Number of inputs ====>  5

Answer => Ascending Order:  Least to Greatest =====>  7/6, 6/5, 5/4, 1.349, 1.35



C):   0.819,  0.8199, 81/100, 815/1000

Number of Inputs  ======>    4

Answer  ==> Ascending order (Least to Greatest ====>    81/100, 815/1000, 0.819, 0.8199



D):    3  4/7, 245/70, 3.572, 90/29

Number of Inputs:  4

Answer ==>  Ascending Order(Least to Greatest) ==> 90/29, 245/70, 3.572, 3 4/7




Hope that helps!!!!                                              : )

     


3 0
3 years ago
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What is the value of the expression (-3/8) (2/5)? Write your answer as a fraction in simplest. form.
Alona [7]

Answer:

-3/ 20

Step-by-step explanation:

-3/8 * 2/5

Rewriting

-3/5 * 2/8

Simplify the right term by dividing the top and bottom by 2

-3/5 * 1/4

Multiply the numerators and then the denominators

-3/ 20

7 0
3 years ago
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