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xxTIMURxx [149]
1 year ago
8

Solve the system of equations y=2x+1 -4x+2y=2

Mathematics
1 answer:
lys-0071 [83]1 year ago
3 0

Solution

We have the following system of equations:

y=2x+1 (1)

-4x+2y=2 (2)

We can replace the first equation in the second one and we got:

-4x + 2*(2x+1) = 2

And solving for x we got:

-4x +4x +2= 2

2=2

Then the system have infinite solutions

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3 years ago
The cost of a council tax bill increased by 5%.
andreyandreev [35.5K]

The council tax bill before the increase is £1240

The equation that represents the percentage increase in council tax bill is :

percentage increase x t = £62

Where t represents the initial council tax bill - council tax bill before the 5% increase

5% x t = £62

0.05 x t = £62

Divide both sides of the equation by 0.05

t = £62 / 0.05 = £1240

To check if the answer derived is correct : 5% x 1240 = 62.

A similar question was answered here: brainly.com/question/12066598?referrer=searchResults

5 0
3 years ago
A stack of 500 pieces of paper is 1.875 inches tall derion guesses that each piece of paper is 0.015 inches thick. explain how y
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8 0
2 years ago
Solve the equation 4^3x+2=3
const2013 [10]

Answer:

Exact Form:

x = 1/64

Decimal Form:

x  = 0.015625

Step-by-step explanation:

4 0
3 years ago
Ten less than half of a number(x) is 6.
Likurg_2 [28]

Answer:

x = 32

Step-by-step explanation:

Given the following data;

Unknown number = x

Translating the word problem into an algebraic equation, we have;

\frac {x}{2} - 10 = 6

Lowest common denominator (LCD) = 2

We multiply all through by 2;

2* \frac {x}{2} - 2*10 = 2*6

x - 20 = 12

x = 12 + 20

x = 32

Therefore, the unknown number is 32.

3 0
3 years ago
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