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natita [175]
3 years ago
8

Plz help..............refresh the page before u answer

Mathematics
1 answer:
Anni [7]3 years ago
8 0
To add/subtract fractions you need to have a common denominator...

(2/2)(4n/15)+(5/5)(n/6)

8n/30+5n/30

(8n+5n)/30

13n/30
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Choose the correct simplification of the expression (8x − 5)(2x2 − 5x − 6). (1 point)
OleMash [197]
The easiest terms to check are the first (8x)(2x²) = 16x³ and the last (-5)(-6) = 30. This check eliminates the first choice. The remaining choices differ only in the sign and coefficient of the squared term, so that is the one we need to find.

The squared term will be the sum of the products of factors whose degrees total 2:
  (8x)(-5x) + (-5)(2x²) = -40x² -10x² = -50x²

The appropriate choice is
  16x³ -50x² -23x +30
6 0
3 years ago
Find CE in the length indicated
nikdorinn [45]

Okay, to find length CE, your going to know the value of x. Length BC + CE = BD + DE.3x+47+x+26=27+x+10Simplify the equation to get4x+73=37+xyou can choose one of four ways to continue, but I will choose to subtract x3x+73=37Subtract 73 from both sides of the equal sign3x=-36divide by 3 on both sides of the equal sign to get the value of xx=-12Now, plug in -12 for x in length CE to get -12+26=14


5 0
3 years ago
Find the lateral area. Round to the nearest thousandths.
solniwko [45]

Answer:

62.832

Step-by-step explanation:

6 0
3 years ago
A farmer plants the same amount every day, adding up to 1 3/4 acres at the end of the year. If the year is 1/2 over, how many ac
Zepler [3.9K]
Answer:
7/8 Acre

First, convert the mixed number 1 3/4 into an improper fraction. This will be 7/4. Now, divide this by two because the year is half over. Doing this you get 7/8.
4 0
2 years ago
Can somebody who remembers how to do this answer all of these correclty thanks!!!!!!
Semenov [28]

Answer:

19)  7, 3, 2, -1, -8

20) 10, 2, 0, -3, -10

21) 3, 2, 1, 0, -1

22) -6, -7, -8, -9, -11

23) 7, 4, 0, -1, -2

Step-by-step explanation:

:))

6 0
3 years ago
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