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Katena32 [7]
3 years ago
11

Arianna correctly simplified an expression. When she substituted X = 2 into the simplified expression, the value was –4. Which c

ould be Arianna’s original expression?
Mathematics
2 answers:
daser333 [38]3 years ago
8 0
The answer would be -2... Because -2 * 2 = -4!
USPshnik [31]3 years ago
8 0

Answer:

\frac{1}{6}(-10x-4)

Step-by-step explanation:

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Can someone help me with how to show the work.
mylen [45]

Answer:

x=2

Step-by-step explanation:

you can see explanation as attached file

3 0
3 years ago
Read 2 more answers
Coefficient of b in expansion of (3+b)^4
Margarita [4]
Are you sure you want ONLY the coefficient of b?  If you expand this, you will have b in 3 of 4 terms.

According to Pascal's Triangle, the coefficients of (a+b)^4 are as follows:

                             1
                        1    2    1
                   1      3    3     1
              1       4     6     4     1

So (a+b)^4 would be 1a^4 + 4a^3b + 6a^2b^2 + 4ab^3 + b^4

Here, you want (3 + b)^4.  Here's what that looks like:

3^4 + 4[3^3*b] + 6[3^2*b^2] + 4[3*b^3] + 1[b^4]

Which coeff did you want?
4 0
2 years ago
Help please due now!
MissTica

Answer:

8

Step-by-step explanation:

3(2)-2(1-2) / 3-2

6-2(-1) / 1

6 + 2 / 1

8 / 1

= 8

6 0
3 years ago
WILL GIVE BRAINLIEST, SUPERB RATING, AND THANKS!
Vaselesa [24]

A line on this coordinate plane is horizontal when every input (x) has the same output y).

This function always gives the same output with no matter what input you put it in.

8 0
3 years ago
Which of the following represents the tang of the graph of F(x) below
dexar [7]

The range of function is Z_F=\{y\in\mathbb{R}\wedge y\leq2\}.

The answer is B.

Hope this helps.

6 0
3 years ago
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