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Sedbober [7]
3 years ago
12

Please help me to solve!! 3x^3y^2 +1÷9y​

Mathematics
1 answer:
amid [387]3 years ago
7 0

Answer:

3x^3y^2\:+1\div 9y=3x^3y^2+\frac{1}{9}y

Step-by-step explanation:

Given the expression

3x^3y^2\:+1\div9y

According to the order of operation with respect to PEMDAS

  • Paretheses
  • Exponents
  • Multiplication
  • Division
  • Addition
  • Subtraction

so

  • 1 ÷ 9y is solved first

Thus, the expression becomes

3x^3y^2+\frac{1}{9}y

There are no like terms involved in the expression.

The expression is very much simplified.

Thus:

3x^3y^2\:+1\div 9y=3x^3y^2+\frac{1}{9}y

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Add and subtract the rational expressions. 7x+5/x-1 -(8x1/x-1+2x-4/x-1) Which statements are true about the process for adding a
anzhelika [568]

Answer:

2. The denominator of the fully simplified expression will be x – 1.

4. The numerator of the fully simplified expression will be –3x + 10.

Step-by-step explanation:

Given the rational expression

\dfrac{7x+5}{x-1} -(\dfrac{8x-1}{x-1} +\dfrac{2x-4}{x-1} )

Let us first simplify before making our deductions.

Opening the brackets

\dfrac{7x+5}{x-1} -(\dfrac{8x-1}{x-1} +\dfrac{2x-4}{x-1} )=\dfrac{7x+5}{x-1} -\dfrac{8x-1}{x-1} -\dfrac{2x-4}{x-1}

Taking LCM

=\dfrac{7x+5-(8x-1)-(2x-4)}{x-1}

Opening the brackets and simplifying

=\dfrac{7x+5-8x+1-2x+4}{x-1}\\\text{Collecting like terms in the numerator}\\=\dfrac{7x-8x-2x+5+1+4}{x-1}\\=\dfrac{-3x+10}{x-1}

The following statements are therefore true:

2. The denominator of the fully simplified expression will be x – 1.

4. The numerator of the fully simplified expression will be –3x + 10.

5 0
2 years ago
What is 3+3-2? The problems are getting harder. :(
liq [111]

Answer:

4

Order of Operations is what you have to use

8 0
3 years ago
Read 2 more answers
Evaluate (-A)^2 for A = 5, B = -4, and C = 2
drek231 [11]

Answer:

(-A)^2 for A = 5

(-5)^2

=25

Step-by-step explanation:

first, replace A by 5, and maintain the negative to the 5.

multiply (-5)^2.

nb: don't forget to maintain the bracket when multiplying. if you maintain the bracket, you'll get a positive number, but if you don't, you'll get a negative number.

6 0
3 years ago
Help! I need an explanation if you answer so maybe I can get the other questions easily☺️
Dmitriy789 [7]

I am not sure on this sorry .......  I think it's $5.00 .....

4 0
3 years ago
11. Write 5 equivalent fractions for<br>• 6/7.​
almond37 [142]

\huge{\boxed{\frac{12}{14}}} \huge{\boxed{\frac{18}{21}}} \huge{\boxed{\frac{24}{28}}} \huge{\boxed{\frac{30}{35}}} \huge{\boxed{\frac{36}{42}}}

One really simple way to find an equivalent fraction is just to multiply the numerator and denominator.

For example, for the first answer, \boxed{\frac{12}{14}}, I simply multiplied the numerator and denominator each by 2.  This gives you an equivalent fraction.

You can then continue with this process using numbers such as 3, 4, 5, and 6 as your multiplication factor.

5 0
3 years ago
Read 2 more answers
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