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yuradex [85]
2 years ago
7

How many roots does the equation -2x^3 = 0 have? 3 2 1 0

Mathematics
2 answers:
artcher [175]2 years ago
3 0
3 sorry if it is wrong but have a good day
Softa [21]2 years ago
3 0

Answer:

3

Step-by-step explanation:

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Which of the following statement is true?
Natasha_Volkova [10]

Answer:

C is correct

Step-by-step explanation:

10x³+2x²+0x-11

+0x³+9x²+2x-2

=10x³+11x²+2x-13

7 0
3 years ago
-4/9x=16/27 alguien que me ayude
Andre45 [30]
<h3>Answer</h3>

First multiply everything by 27

-  \frac{4}{9} x =  \frac{16}{27}  =  \\ 27 \times ( -  \frac{4 }{9}x) = 27 \times  \frac{16}{27}

Then approximate the terms with 27 if it's possible (27 and 9) (27 and 27)

3 \times (   - \frac{4}{1} ) = 16

So now multiply again

3 \times ( - 4) =  - 12

And you have

- 12x = 16

x =  -  \frac{16}{12}  =  -  \frac{4}{3}

You're welcome if it's right

4 0
3 years ago
The difference between two numbers is 7. The sum of twice the larger number and three times the smaller number is 19.
Alex17521 [72]

Answer:

x= 8   y= 1

Step-by-step explanation:

First, you identify your variables:

x= larger number

y= smaller number

Second, you find your equations:

x - y = 7

2x + 3y = 19

Third, (I used the substitution method) you make "y" by itself for the 1st equation.

y = x - 7

2x + 3y = 19

Then, you plug in the 1st equation for "y" in the 2nd equation

2x + 3(x - 7) = 19

Then, you distribute and simplify.

2x + 3x - 21 = 19

5x - 21 = 19

5x = 40

x = 8

Finally, you plug in the variable you found ( x ) into one of the equations and solve,

8 - y = 7

- y = -1

y = 1

6 0
2 years ago
if i am 57 years old and i have known someone for 6 and a half years what percentage of my life have i known that person​
Mekhanik [1.2K]

Answer: 11.4%

Step-by-step explanation:

100% of your life is 57 years

?% will be 6.5 years?

this is a simple ratio problem:

57 --> 100%

6.5 ---> (6.5 x 100)/57 ≅ 11.4%

You have known the person for about 11.4% of your life.

4 0
2 years ago
What is the distance between (2, -1) and (-1, -5) on the coordinate plane?
Gekata [30.6K]

C. 5 units is the answer and I am typing to make in 20 characters long.

6 0
3 years ago
Read 2 more answers
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