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Mrrafil [7]
4 years ago
15

4x^2-2x ———— X^2+2x+1

Mathematics
1 answer:
Len [333]4 years ago
4 0

Answer:

x = 0 or x = 1/2 and x = -1 for the second equation

Step-by-step explanation:

Solve for x:

4 x^2 - 2 x = 0

Factor x and constant terms from the left hand side:

2 x (2 x - 1) = 0

Divide both sides by 2:

x (2 x - 1) = 0

Split into two equations:

x = 0 or 2 x - 1 = 0

Add 1 to both sides:

x = 0 or 2 x = 1

Divide both sides by 2:

Answer: x = 0 or x = 1/2

_______________________________

Solve for x:

x^2 + 2 x + 1 = 0

Write the left hand side as a square:

(x + 1)^2 = 0

Take the square root of both sides:

x + 1 = 0

Subtract 1 from both sides:

Answer: x = -1

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kati45 [8]

Answer:

235.71cm^2

Step-by-step explanation:

Volume of cone = 1/3 pie r^2 h

1/3*22/7*5*5*9

= 235.71cm^2

3 0
3 years ago
Alice has 1/5 as many cars as Sylvester has. Sylvester has 35 miniature cars. How many miniature cars does Alice have?
zalisa [80]
If im not wrong...
1/5 * 35 to get 1/5th of 35.
0.2*35=7
8 0
3 years ago
Example of finding an discount on a formula
Rasek [7]
If you have a discount on an item..
ex. 15% off coupon for $20 shirt

20 x 0.15= $3 <--- 15% of 20
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4 0
3 years ago
The sum of two consecutive numbers is -165. Find the value of the smaller number.
Svetllana [295]

Answer:

-83

Step-by-step explanation:

x+(x+1)=number

x+(x+1)=-165

2x+1=-165

-1         -1

2x=-166

/2     /2

x=-83

We can check our work by adding -83+-82=-165 because -83 would be the smaller number.

-83.

7 0
3 years ago
HELP PLZZ ANWSER I KNOW​
marishachu [46]

Answer:

2(w+10)=50

Step-by-step explanation:

rectangle two sides are equal and the other two sides are equal

so we know two sides are ten in this equation the w can be the unknown sides so 2*w and 2*10 = 50

2(15+10)=50

5 0
2 years ago
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