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AveGali [126]
3 years ago
6

How do I solve this -4y+x=-27

Mathematics
2 answers:
Neporo4naja [7]3 years ago
6 0
According x variable;

-4y+x=-27\\
\\
\boxed{x=4y+27}

According y variable:

-4y+x=-27\\
\\
-4y=-27-x\\
\\
\boxed{y=\frac{-27-x}{-4}}
GrogVix [38]3 years ago
5 0
First you have to know what a "solution" is.

The 'solution' is a set of 2 numbers which, if you put them into the equation
in place of 'x' and 'y', make the equation a true statement. 

There are an infinite number of possible pairs of numbers that can do that. 
Here are a few:

x = 0, y = 6.75 
x = 1, y = 7
x = 2, y = 7.25
x = 3, y = 7.5
x = 4, y = 7.75
x = 10, y = 9.25
x= 100, y = 31.75
x= -50, y = -5.75

When you graph this equation, the graph is a straight line without any ends.
Every point on the line is a solution to the equation, and you know how many
points there are on a line without ends . . . . .



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Consider f(x) = 4x^3 – 5, g(x) = 2x + 5 and h(x) =2x^2+2x. Which statement about (f + g – h) is true?
Natalka [10]

\large{\mathcal{ANSWER:}}

b) It is a cubic function of 4 terms.

  • In this case p(3) = t + 2 is synonymous for p = 3 + 2. Remember p is synonymous for y. So in this equation it is p = 5.

\underline{\boxed{\purple{\tt{©⚘MissyRiel}}}}

Hope this helps!

3 0
2 years ago
1) -6k+ 7k
Sergio [31]

Answer:

1. k

2. 12r-20

3. 10n-13

4. -6x

5. -11r

6. 4x+11

Step-by-step explanation:

8 0
3 years ago
After a bride has interviewed 7 DJs to play at her wedding, her fiance tells her she needs to narrow it down to 4 DJs. In how ma
Alex17521 [72]

Answer:

840

Step-by-step explanation:

Given

DJs = 7

To\ pick = 4

Required

Determine the number of rankings

The term "ranking" as used in this question implies permutation and the required is calculated using:

^nP_r = \frac{n!}{(n-r)!}

Where

n = 7

r = 4

So:

^nP_r = \frac{n!}{(n-r)!}

^7P_4 = \frac{7!}{(7-4)!}

^7P_4 = \frac{7!}{3!}

^7P_4 = \frac{7 * 6 * 5 * 4 * 3!}{3!}

^7P_4 = 7 * 6 * 5 * 4

^7P_4 = 840

<em>Hence, number of ranking is 840</em>

7 0
3 years ago
Help asap plssssssssssssss
olasank [31]

Answer:

÷ then +

Step-by-step explanation:

as (18÷3)+24=30 is correct same as (6÷3)+1=3

8 0
3 years ago
What is the mean? <br> 19, 16, 24, 12, 16, 21, 18
attashe74 [19]
I'm pretty sure it's 12.
6 0
3 years ago
Read 2 more answers
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