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mixas84 [53]
3 years ago
8

How many variable terms are in the expression 3x3y + 5x2 + y + 9? (Input a numeric value only.)

Mathematics
2 answers:
Zanzabum3 years ago
6 0
3
this is because 
x^{3}y
 x^{2}
and
  y
  are all separate variables (also x^{3} y combines into one variable)
Arturiano [62]3 years ago
6 0

Answer:

3 Variables are x^3y, x^2, y

Step-by-step explanation:

Given : Expression 3x^3y+5x^2+y+9

To find : How many variable terms are in the expression?

Solution :

In the expression a letter represents a variable.

In 3x^3y the variable is x^3y

In 5x^2 the variable is x^2

In y the variable is y

In 9 there is no variable.

i.e. In the expression 3x^3y+5x^2+y+9 there are three variables.

Variables are x^3y, x^2, y

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Please include work!
geniusboy [140]

Answer:

x = ± 4

y = - 2

Step-by-step explanation:

y = 0.5x² - 10 ------------------------(I)

y = -x² + 14   ------------------------(II)

Substitute the y value in equation (II)

    0.5x² - 10  = -x² + 14           {Add x² to both sides}            

0.5x² + x² -10 = 14                  {combine like terms}

       1.5x² - 10 = 14                   {Add 10 to both sides}

               1.5x² = 14 + 10

                1.5x² = 24         {Divide both sides by 1.5}

               1.5x²/1.5 = 24/1.5

                       x² = 16

                      x = ±4

Substitute x = 4 in (I)

y = 0.5 * 4² - 10

 = 0.5*16 - 10

 = 8- 10

y = -2

Substitute x = -4 in (I)

y = 0.5 * (-4)² - 10

 = 0.5*16 - 10

 = 8- 10

y = -2

5 0
3 years ago
What is the geometric mean of 7 and 9.
kirza4 [7]
<span>√63 = 3√7  is your answer</span>
4 0
3 years ago
This morning I went to Larry's for breakfast.
Olin [163]

Answer:

9 dollars and 18 cents

Step-by-step explanation:

6 0
3 years ago
5/10 plus 2/9 simplified
Genrish500 [490]

5/10+2/9=13/18

=1/2+2/9

=9/18+4/18

=9+4/18

answer: 13/18

7 0
3 years ago
Read 2 more answers
Can someone please help me
DedPeter [7]

Answer:

6

Step-by-step explanation:

Perimeter = 2l + 2w

48 = 2(18) + 2(w)

48 = 36 + 2w

12 = 2w

w = 6

<em>Could you please give me brainliest for this? Thank you!</em>

5 0
1 year ago
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