Find the system of linear equations represented by the augmented matrix. Then use back substitution to solve. (Use variables x, y, z, and w if applicable.)
?
?
A. ?
(-14, -5)
?
B. ?
(-14, -5)
?
C. ?
?(-14, 5)
D. ?
?(-5, -14)
E. ?
?(-5, -14)
Answer: B
You might also like to view...
Factor completely. If the polynomial cannot be factored, say it is prime.15x2 - 9xy - 20xy + 12y2
A. (3x - 4y)(5x - 3y) B. (3x + 4y)(5x - 3y) C. (3x - 4)(5x - 3) D. (15x - 4y)(x - 3y)
Find the surface area of the figure. Use 3.14 for ?. Round your answer to hundredths.
A. 78.5 sq. in. B. 314 sq. in. C. 523.33 sq. in. D. 104.67 sq. in.
Solve the problem.Softee Blankets charges $6 for shipping orders of $20 or less, $10 for orders from $20.01 to $70, and $15 for orders over $70. One week shipping charges for 510 orders totaled $5060. There were 40 more orders for $20 or less shipped than there were orders for over $70. Find the number of orders shipped at each rate.
A. $20 or less: 230; $20.01 to $70: 160; over $70: 120 B. $20 or less: 160; $20.01 to $70: 230; over $70: 120 C. $20 or less: 280; $20.01 to $70: 110; over $70: 120 D. The numbers cannot be determined from the given information.
Provide the proper response.A student needs 
. Is this integral the same as 
and if so, why?
What will be an ideal response?