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Anna007 [38]
3 years ago
12

What is the answer of x and y-4x+y= -1

Mathematics
1 answer:
Len [333]3 years ago
8 0

Answer: x= 1/4 + 1/2y

Step-by-step explanation:

y-4x + y= -1

2y - 4x= -1

-4x= -1 - 2y

x= 1/4 + 1/2y

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Explain the steps involved in adding two rational<br> expressions.<br> DONE
Helen [10]

Answer

Step-by-step explanation: example

5/(X+2). + 2/(X+1)

Common denominator. Is both (X+2)(X+1)

So the first fraction needs (X+1) since it already has (X+2) the second fraction needs ( X+2)

5(X+1). / (X+2)((X+1) +. 2/(X+2)/(X+1)

So multiply 5 with X then 5 with 1 and 2 times X and 2 times 2

5x+5 + 2x+4 / (X+2)((X+1)

Answer 7x+9/ (X+2)(X+1)

8 0
3 years ago
A 8 ft tall tent standing next to a lawn ornament casts a 4 ft shadow. If the lawn
Korvikt [17]

Answer:

3ft

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Please help with 1 &amp; 2
yaroslaw [1]
First question:

I urge you to perform the division using the synthetic division method:

      ________________
-4  /   1   3   -6   -6   8
             -4    4     8  -8
       -----------------------
         1   -1   -2    2    0

Note that there is no remainder.  When this is the case, the divisor (here, that's -4) is a root of the given polynomial, and the value of that polynomial, g(-4), is 0.

If the remainder were not 0, then the remainder represents the value of the polynomial for that particular divisor.  For example, if x = -3, the remainder is -28.  We'd write that as g(-3) = -28.

But here, g(-4) = 0.
6 0
3 years ago
What value of x is in the solution set of 9(2x + 1) &lt; 9x – 18?
fredd [130]
To solve these kinds of problems, it is necessary to isolate x:

9(2x + 1) <span>< 9x - 18

Distribute 9:
18x + 9 </span><span>< 9x - 18

Subtracting 9 from both sides of the equation:
18x + 9 - 9 </span><span>< 9x - 18 - 9
18x </span><span>< 9x - 27

Subtracting 9x from both sides of the equation:
18x - 9x </span><span>< 9x - 27 - 9x
9x </span><span>< -27

x </span><span>< -3

Therefore, values of x </span><span>< -3 will satisfy the given equation.</span>
7 0
3 years ago
Oliva has signed up for snowboarding lessons. Her parents set a limit of 400$ for costs for the season. It costs 250$ to get a m
IrinaK [193]

Answer:

15

Step-by-step explanation:

(400-250) divided by 9.5

6 0
3 years ago
Read 2 more answers
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