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m_a_m_a [10]
3 years ago
15

Write the quadratic equation in standard form please -5x^2-6x=-1+2x

Mathematics
1 answer:
slava [35]3 years ago
8 0

Answer:

-5x^2-8x+1=0

Hope this helps!!

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2-7x-3x=-8x-8<br><br><br> Explain<br><br><br> Thanks
Agata [3.3K]

2-7x-3x=-8x-8\\\\-7x-3x+8x=-8-2\\\\-2x=-10 \ \ /:(-2)\\\\\huge\boxed{x=5}

4 0
3 years ago
Read 2 more answers
In simplified form, V18 is
yulyashka [42]

Answer: 4.24264069

Step-by-step explanation: I think you mean the square root?

4 0
3 years ago
The quotient of 9.2 x 10 6 and 2.3 x 10 2 expressed in scientific notation is
Virty [35]
What we know:
quotient 9.2 x 10^6/ 2.3 x 10²
in quotients exponents are subtracted of they have the same base, for example 10^6 and 10² have the same base of 10

What we need to find: quotient 9.2 x 10^6/ 2.3 x 10²
9.2 x 10^6        
--------------  =    4 x 10^4    
 2.3 x 10²

Here in this problem I divided 9.2 by 2.3 and got 4, since the solution was simple and clean meaning no repeated decimals I went ahead and divided the 10^6 by 10^2 and got 10^4.


Another method would be to expand both numbers then divide and do scientific notation again.
Remember to change to normal notation you move the decimal to the right using the number of the exponent.

9.2 x 10^6= 9200000
2.3 x 10²= 230

920000/230=40000

40000= 4 x 10^4 scientific notation

Use the method that is best for you or just know you can use either method to check your work.

4 0
3 years ago
If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalen
KATRIN_1 [288]

Answer:

B

Step-by-step explanation:

when you subtact 3y on both sides

you get x = -3y+4

7 0
2 years ago
Tina's favorite shade of teal is made with 7 milliliters of blue paint for every 5 milliliters of green paint. Tyler's favorite
Wittaler [7]

Answer:

brighter

Step-by-step explanation:

tiana ratio = 7:5

tyler ratio = 5:7

compare 7:5 and 5:7

cross multiply = 

tiana      tyler

49          25 t

herefore tiana is brighter

8 0
2 years ago
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