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goldenfox [79]
3 years ago
6

Find the solutions to 9x2 - 63x = 0.

Mathematics
2 answers:
laila [671]3 years ago
5 0

Answer: B TRUST ME

I AM NOT IMPOSTER

Step-by-step explanation:

S_A_V [24]3 years ago
5 0

Answer:

its B

X=7

Step-by-step explanation:

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HELP PLEASE!!!!!! I NEED TO GET AN 100%
Alika [10]

Answer:

c

Step-by-step explanation:

4 0
3 years ago
Factor: m^2 - 20m - 21
Anton [14]

Answer: (m-21)(m+1)

Step-by-step explanation:

To factor this trinomial, find two numbers that multiply to -21 and add to -20:

(-21)(1)=-21

-21+1=-20

They are -21 and 1.

Add -21 and 1 to m to get both factors:

(m+(-21)) and (m+1)

(m-21) and (m+1)

Multiply them to get the answer:

(m-21)(m+1)

4 0
3 years ago
If 5x2+4x+xy=3 and y(3)=−18, what is an equation of the tangent line to the graph at the point (3,−18)
Paha777 [63]
I believe the answer is:

y+18 = (-52/3)(x-3) in point slope form
 
Let me know if you need an explanation. Hope this helps.
8 0
3 years ago
Drag each number to the correct location on the table. Each number can be used more than once, but not all numbers will be used.
muminat

Answer:

1. 12x^2-13.4x-11

- Degree: 2

- Number of terms: 3

2. 7x^3+168

 - Degree: 3

- Number of terms: 2

3. 9x^4-9

- Degree: 4

- Number of terms: 2

Step-by-step explanation:

For this exercise you need to remember the multiplication of signs:

(+)(+)=+\\(-)(-)=+\\(-)(+)=-\\(+)(-)=-

1. Given:

(4x + 2.2)(3x - 5)

Apply the Distributive property:

=12x^2+6.6x-20x-11

Add the like terms:

=12x^2-13.4x-11

You can idenfity that:

- Degree: 2

- Number of terms: 3

2. Given:

(-304 +503 - 12) + (7x^3 - 25 + 6)

Add the like terms:

=187 + 7x^3 - 25 + 6=7x^3+168

You can idenfity that:

- Degree: 3

- Number of terms: 2

3. Given:

(3x^2 - 3)(3x^2 + 3)

Apply Distributive property:

=9x^4-9x^2+9x^2-9

Add the like terms:

=9x^4-9

You can idenfity that:

- Degree: 4

- Number of terms: 2

8 0
3 years ago
Help i will give brainliest
ycow [4]
0.329, 127.5, and -89 is rational. Square root of 101 is irrational.
4 0
3 years ago
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