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Daniel [21]
3 years ago
5

Find the number solutions of the equation

Mathematics
1 answer:
egoroff_w [7]3 years ago
5 0

Answer:

  A.  0

Step-by-step explanation:

The value of the discriminant is ...

  b² -4ac = (-3)² -4(1)(4) = 9 - 16 = -7

The negative discriminant means the roots will be complex.

There are 0 real solutions.

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2x divided by x+5 less than or equal to 0
coldgirl [10]
It is more than 0, because you cancel the x, and you get 2+5, which is 7
4 0
3 years ago
Help!!! Divide the polynomial by 7x
HACTEHA [7]

Answer:

4x^4-9x^3+x^2

Step-by-step explanation:

<u><em>Dividing the polynomial by 7x means dividing each term by 7x, as shown below:</em></u>

\frac{28x^5-63x^4+7x^3}{7x}\\=\frac{28x^5}{7x}-\frac{63x^4}{7x}+\frac{7x^3}{7x}\\=4x^4-9x^3+x^2

<em>In dividing, we also used the property of exponents, shown below:</em>

\frac{a^x}{a^y}=a^{x-y}

So the answer is:  4x^4-9x^3+x^2

7 0
4 years ago
Read 2 more answers
HELP I NEED HELP ASAP
Orlov [11]

Answer:

Answer is C. 3s + 9

Step-by-step explanation:

The perimeter is the sum of all 3 sides in a triangle

which is s+3 + s+3 + s+3

= 3s + 9

4 0
3 years ago
7d-12+2d+3=18 solve variable. include steps, also check your answer!
fiasKO [112]

Answer:

d = 3

Step-by-step explanation:

7d - 12 + 2d + 3 = 18

9d - 9 = 18

9d = 27

d = 3

CHECK:

7(3) - 12 + 2(3) + 3 = 18

21 - 12 + 6 + 3 = 18

18 = 18

4 0
3 years ago
I NEED HELP ASAP!!!! ILL GIVE YOU 10 POINTS IF YOUR ANSWER IS CORRECT PLEASE!!!
guajiro [1.7K]

Answer:

y=x-9  m=1  b= -9

Step-by-step explanation:

2x-2y=18

-2x      -2x

-2y= -2x +18

-2y/-2= -2x/-2 + 18/-2

y= x-9

y=mx+b so m=1 and b=-9

3 0
3 years ago
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