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Olegator [25]
3 years ago
12

Can you please solve AND EXPLAIN this equation: -2y is less than or equal to 2 - 2x

Mathematics
1 answer:
grin007 [14]3 years ago
3 0

Answer:

y\geq -1 + x

Step-by-step explanation:

-2y\leq 2-2x\\               Divide everything by 2

-y\leq 1-x       Divide everything by -1 and since y is negative, you flip the sign

y\geq -1 + x

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AleksAgata [21]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
There were 165 donors last year. Find the number of donors this year using each of the expressions. Do you get the same number w
pochemuha

Answer:

We need to see the expressions given

Step-by-step explanation:

4 0
3 years ago
Which are the solutions of x^2 = –11x + 4?
strojnjashka [21]

This is a quadratic equation, i.e. an equation involving a polynomial of degree 2. To solve them, you must rearrange them first, so that all terms are on the same side, so we get

x^2 + 11x - 4 = 0

i.e. now we're looking for the roots of the polynomial. To find them, we can use the following formula:

x_{1,2} = \frac{-b\pm\sqrt{b^2-4ac}}{2}

where x_{1,2} is a compact way to indicate both solutions x_1 and x_2, while a,b,c are the coefficients of the quadratic equation, i.e. we consider the polynomial ax^2+bx+c.

So, in your case, we have a=1,\ \ b=11,\ \ c=-4

Plug those values into the formula to get

x_{1,2} = \frac{-11\pm\sqrt{121+16}}{2} = \frac{-11\pm\sqrt{137}}{2}

So, the two solutions are

x_1 = \frac{-11+\sqrt{137}}{2}

x_2 = \frac{-11-\sqrt{137}}{2}

3 0
3 years ago
Alana is having a party. She bought 3 rolls of streamers and 2 packages of balloons for $10.00. She realized she needed more sup
notsponge [240]
Streamers: 24 dollars Package of ballons: 6 dollars
4 0
3 years ago
Read 2 more answers
#26 7s=4 please help
const2013 [10]
7s = 4
/7.    /7 


s= 4/7

thats the equation right?
7 0
3 years ago
Read 2 more answers
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