Determine whether the points A, B, and C form a right triangle.A = (-6, 7); B = (-4, 11); C = (-2, 10)
A. Yes
B. No
Answer: A
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Provide an appropriate response.The sum of all angles of a triangle is 180°. One angle is twice as big as the first angle. The third angle is 16 degrees larger than the first. Write an equation and solve to find how many degrees are in each angle.
Fill in the blank(s) with the appropriate word(s).
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 9.8x - 2.6 B. y = 9.2x - 2.1 C. y = 10x - 3 D. y = 9x - 3
Solve.Aubrey borrows $3300 and agrees to pay it back in 9 years. If the simple interest rate is 10%, find the total amount she pays back.
A. $33,000 B. $29,700 C. $6270 D. $2970
Some values of a function and its 3-unit moving average are given. Supply the missing information: x 1 2 3 4 5 6 7 r( x ) 2 3 ? 14 ? 4 20 average undefined undefined 5 ? 11 ? ? ?
A. ?
| x | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| r(x) | 2 | 3 | 10 | 14 | 9 | 4 | 20 |
| average | undefined | undefined | 5 | 9 | 11 | 9 | 11 |
B. ?
| x | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| r(x) | 2 | 3 | 10 | 14 | 9 | 4 | 20 |
| average | undefined | undefined | 5 | 9 | 11 | 9 | 11 |
C. ?
| x | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| r(x) | 2 | 3 | 10 | 14 | 9 | 4 | 20 |
| average | undefined | undefined | 5 | 9 | 11 | 12 | 14 |