Write the 2 equations:
5x-2y=18
-5x+3y=-22
You can see that the coefficients of x are opposites, so you can add them(the 2 equations) to eliminate x.
Adding them, you get:
y=-3
So now that you know y, you can substitute the value of y into one of the original equations. Let's substitute it in the first one:
5x+6=18
Solving this, we get:
5x=12
x=12/5
x=12/5, y=-3
Answer:
(a) 0.2824
(b) 0.0002441
Step-by-step explanation:
Assuming that the population is large enough to behave as a binomial distribution (between whites and non-whites), the probability of 12 out of 12 juros being white is:

Where p(w) is the proportion of the population that is white:
(a) for p = 0.90

The probability is 0.2824.
(b) for p = 0.50

The probability is 0.0002441.
Answer:
24
Step-by-step explanation:
12% of 200
12/100 × 200
24
Answer:what ever x equals times 3
Step-by-step explanation:
The correct question is; x² + 2x - 24
The other factor of <em>x² </em><em>+</em><em> </em><em>2x </em><em>-</em><em> 24</em> asides (x+6) is; (x-4)
The expression given can be factorised as follows;
Consequently, the other factor of the expression is (x-4).
Read more on quadratic factors;
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