3 years ago

-x + y = 2 3х – 5у = -4 solve the system of linear equation by substitution

1 answer:

7 0

X=-2 + y
X=5y-4/3
):):):$/&&$:$:jsjshdhhdgshshshsj

You might be interested in

natita [175]

it is the second one

Step-by-step explanation:

3 0

2 years ago

erica [24]

Answer:

Step-by-step explanation:

$\frac{5+x}{25-x^2} >0\\=\frac{5+x}{(5+x)(5-x)} \\=\frac{1}{5-x} >0\\if~5-x>0\\or~5>x\\or x$

8 0

3 years ago

CaHeK987 [17]

Answer:

Step-by-step explanation:

Let's recall that for calculating the range of a data set, we have to find out the lowest and the highest values of the data set.

As we can see in the graph below, the lowest value in the histogram is 1 and the highest is 7.99, therefore the correct answer is:

4 0

3 years ago

Viktor [21]

Answer:

3) f(x) = 3(x + 2)^2 - 1.

Step-by-step explanation:

f(x) = 3x² + 12x +11

f(x) = 3(x^2 + 4x) + 11 Completing the square:

f(x) = 3[(x + 2)^2 - 4] + 11

f(x) = 3(x + 2)^2 -+3*-4 + 11

f(x) = 3(x + 2)^2 - 12 + 11

f(x) = 3(x + 2)^2 - 1.

6 0

3 years ago

goldfiish [28.3K]

Answer:

Step-by-step explanation:

6 0

2 years ago