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Kay [80]
3 years ago
14

-9x2y5 is polynomial or monomial or binomial or trinomial or polynomial

Mathematics
1 answer:
Sliva [168]3 years ago
6 0

Answer:

Monomial

Step-by-step explanation:

Monomial is only one value therefore the following value is a monomial.

-9x^2y^5

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John and Tim are looking at the equation the square root of the quantity of 3 times x minus 4 equals square root of x . John say
IgorC [24]
The equation is 
3x - 4 = sqrt(x)
where 'sqrt' is shorthand for 'square root'

Let's solve the equation. To do so, we square both sides. Then we get everything to one side
3x - 4 = sqrt(x)
(3x - 4)^2 = (sqrt(x))^2
9x^2 - 24x + 16 = x
9x^2 - 24x + 16-x = x-x
9x^2 - 25x + 16 = 0

Now use the quadratic formula. See the attached image for those steps.

After using the quadratic formula the two possible solutions are x = 1 or x = 16/9

We need to check each possible solution to see if it is extraneous or not.

----------------------------

Checking x = 1

3x - 4 = sqrt(x)
3*1 - 4 = sqrt(1)
3 - 4 = 1
-1 = 1

The final equation is false, so x = 1 is not a true solution

x = 1 is extraneous. 

So far, John is correct; however, we need to see the nature of the possible solution x = 16/9

So let's check it
----------------------------

Checking x = 16/9

3x - 4 = sqrt(x)
3*(16/9) - 4 = sqrt(16/9)
48/9 - 4 = 4/3
16/3 - 4 = 4/3
16/3 - 12/3 = 4/3
(16 - 12)/3 = 4/3
4/3 = 4/3

The last equation is true, so x = 16/9 is a proper solution.

This solution is considered non-extraneous. So Tim is also correct
----------------------------

They are both correct because there are two possible solutions. One of which is extraneous (x = 1) and the other is non-extraneous (the fraction x = 16/9)

3 0
3 years ago
Reduce 22/30 to lowest terms and write the numerator in the blank
Zielflug [23.3K]

Answer:

11/15

Step-by-step explanation:

22/30 = 11/15 because they both have a common factor of 2 in the numerator and denominator.

4 0
3 years ago
Angles 2 and angle 7 are ??? angles​
MatroZZZ [7]

Answer:

D alternate exterior angle

Step-by-step explanation:

3 0
3 years ago
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Ramya’s mom was hired for a new job with a yearly income of $84,000. The total of all deductions from her paycheck will be 25% o
77julia77 [94]

Answer:

1,750

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
What is the area of a kite in the figure below?
Leto [7]

Answer:

The are is 1,200 cm squared

Step-by-step explanation:

10 * 20 = 200

20 * 50 = 1000

1000 + 200 = <em><u>1,200cm squared</u></em>

<em><u></u></em>

<em><u>Hope this helped! Have a nice day! Plz mark as brainliest!!!</u></em>

<em><u>-XxDeathshotxX</u></em>

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