Answer:
i aint never seen two pretty bestfriends
Step-by-step explanation:
Answer:
x = 7, -2
Step-by-step explanation:
<h2><em><u>
Factor and set each factor equal to 0</u></em></h2>
Answer:
Option D
Step-by-step explanation:
We are given the following equations -
![\begin{bmatrix}-5x-12y-43z=-136\\ -4x-14y-52z=-146\\ 21x+72y+267z=756\end{bmatrix}](https://tex.z-dn.net/?f=%5Cbegin%7Bbmatrix%7D-5x-12y-43z%3D-136%5C%5C%20-4x-14y-52z%3D-146%5C%5C%2021x%2B72y%2B267z%3D756%5Cend%7Bbmatrix%7D)
It would be best to solve this equation in matrix form. Write down the coefficients of each terms, and reduce to " row echelon form " -
First, I swapped the first and third rows.
Leading coefficient of row 2 canceled.
The start value of row 3 was canceled.
Matrix rows 2 and 3 were swapped.
Leading coefficient in row 3 was canceled.
![\begin{bmatrix}21&72&267&756\\ 0&\frac{36}{7}&\frac{144}{7}&44\\ 0&0&0&\frac{4}{9}\end{bmatrix}](https://tex.z-dn.net/?f=%5Cbegin%7Bbmatrix%7D21%2672%26267%26756%5C%5C%200%26%5Cfrac%7B36%7D%7B7%7D%26%5Cfrac%7B144%7D%7B7%7D%2644%5C%5C%200%260%260%26%5Cfrac%7B4%7D%7B9%7D%5Cend%7Bbmatrix%7D)
And at this point, I came to the conclusion that this system of equations had no solutions, considering it reduced to this -
![\begin{bmatrix}1&0&-1&0\\ 0&1&4&0\\ 0&0&0&1\end{bmatrix}](https://tex.z-dn.net/?f=%5Cbegin%7Bbmatrix%7D1%260%26-1%260%5C%5C%200%261%264%260%5C%5C%200%260%260%261%5Cend%7Bbmatrix%7D)
The positioning of the zeros indicated that there was no solution!
<u><em>Hope that helps!</em></u>
Answer:
x^2 + x + 2 = 0.
Step-by-step explanation:
The discriminant b^2 - 4ac is < 0 for complex roots.
So we can choose appropriate values for a, b and c.
Let b = 1, a = 1 and c = 2 so b^2 - 4ac = 1 - 4*1*2 = -7.
So our equation is:
x^2 + x + 2 = 0.
Answer:
Please read the answers below.
Step-by-step explanation:
1. Australia:
75 * 1.87 =140.25 Australian dollars
2. Brazil:
75 * 2.32 = 174 Reals
3. Britain:
75 * 0.69 = 51.75 Pounds
4. Canada:
75 * 1.60 = 120 Canadian dollars
5. China:
75 * 8.28 = 621 Yuan
6. Denmark:
75 * 8.43 = 632.25 Kroner
7. Japan:
75 * 131.55 = 9,866.25 Yen
8. Mexico:
75 * 9.19 = 689.25 Mexican pesos
9. South Africa:
75 * 11.9 = 892.50 Rands
10. Sweden:
75 * 10.61 = 795.75 Kronor
11. Switzerland:
75 * 1.68 = 126 Francs
12. Thailand:
75 * 44.18 = 3,313.50 Baht
Round to the next integer in all currencies.