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Ad libitum [116K]
3 years ago
6

Solve for x if ab ≠ 2c

Mathematics
2 answers:
GaryK [48]3 years ago
7 0

x =  \frac{ac + b}{2c - ab}

Refer to the attachment for step by step explaination.

babunello [35]3 years ago
6 0

Answer:

x=\frac{b+ax}{2c-ba}

Step-by-step explanation:

When given the following expression, one is asked to solve for (x):

\frac{2x-a}{b}=\frac{ax+1}{c}

Use cross products to rid the variable in the denominator,

c(2x-a)=b(ax+1)

Simplify, distribute, multiply every term in the parenthesis by the term outside of it,

2xc-ac=bax+b

Inverse operations, collect all terms with variable (x) on one side of the equation:

2xc-ac = bax + b\\\\2xc - bax = b + ac

Factor, remove a like term that exists in both of these expressions,

x(2c-ba)=b+ax

Inverse operations,

x=\frac{b+ax}{2c-ba}

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If you follow the steps necessary to prove that square root 7 is irrational (use a proof by contradiction) to prove that square
Viefleur [7K]
Sorry, i wish i could help, but really the only thing i know is that 4 is 2 by 2 so using another equation to try to prove otherwise is irrational in itself 
8 0
3 years ago
Run a multiple regression where the dependent variable is ratings and the independent variables are star and fact. Use data from
Vanyuwa [196]

Answer:

See explaination

Step-by-step explanation:

See attachment for diagram

The r value is 0.373 (low). This implies a weak correlation between the dependent and independent variables for this sample.

The overall p- value for the regression model is 0.0017. This implies that at least one of the two independent variables (x1 or x2) in the model is significant predictor of the dependent variable y.

p- values for the both "Fact" and "Star" are < 0.05. This means both the independent variables are significant predictors of the "Rating" at 95% confidence level. The variable "Fact" is significant at 99% level of confidence also. This means the rating viewers award to a movie depends upon both the storyline (fact or Fiction) and the presence or absence of stars.

Expected rating for a fact based movie with no stars = 1.7991(1) + 1.2586(0) + 12.5685 = 14.37

Expected rating for a fiction based movie with a star = 1.7991(0) + 1.2586(1) + 12.5685 = 13.83

So, one may expect a fact based movie without any stars to get better ratings than a fiction based movie with one star.

7 0
3 years ago
If a number is right next to a variable,
valina [46]
I think multiplication but I’m not sure sorry
3 0
3 years ago
Read 2 more answers
Solve for M:<br><br> –7(3 – 4m) = 8m + 19
Basile [38]

-21 + 28m = 8m + 19

20m = 40

m = 2

5 0
3 years ago
Alana biked 12 miles in 48 minutes. What is Alana's speed in miles per minute?
marusya05 [52]
Question:- Alana biked 12 miles in 48 minutes. What is Alana's speed in miles per minute?

Answer:-

Set up a proportion.

12/48 = 1/x

Cross multiply.

12*x = 12x
48*1 = 48

12x = 48

12x/12 = 48/12 

x= 48/12
x= 4

Now, we have our final answer. x = 4

Final answer:- Alana bikes 4 miles per minute. 

6 0
4 years ago
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