EBK INTERMEDIATE ALGEBRA
13th Edition
ISBN: 9780134719023
Author: Johnson
Publisher: YUZU
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Textbook Question
Chapter B, Problem 31ES
c Solve using Cramer’s rule.
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A falling object travels a distance given by the formula d = 6t + 9t2 where d is in feet
and t is the time in seconds. How many seconds will it take for the object to travel
112 feet? Round answer to 2 decimal places. (Write the number, not the units).
Your Answer:
Solve by the quadratic formula or completing the square to obtain exact solutions.
2
e
104
OA) -16±3√6
B) 8±√10
O c) -8±√10
OD) 8±3√√6
U
Question 14 (1 point)
Listen
The frame on a picture is 18 in by 22 in outside and is of uniform width. Using
algebraic methods, what is the width of the frame if the inner area of the picture
shown is 250 in²2? Write answer to 2 decimal places. (Write the number with no
units).
18 in
Your Answer:
22 in
Chapter B Solutions
EBK INTERMEDIATE ALGEBRA
Ch. B - Evaluate. [3241]Ch. B - Evaluate.
2.
Ch. B - Evaluate.
3.
Ch. B - Evaluate.
4.
Ch. B - 5. Solve using Cramer’s rule:
Ch. B - 6. Solve using Cramer’s rule:
Ch. B - a Evaluate. [3728]Ch. B - a Evaluate. [5445]Ch. B - a Evaluate.
3.
Ch. B - a Evaluate. [4579]
Ch. B - a Evaluate.
5.
Ch. B - a Evaluate.
6.
Ch. B - a Evaluate.
7.
Ch. B - a Evaluate.
8.
Ch. B - b Evaluate.
9.
Ch. B - b Evaluate. [302512201]Ch. B - b Evaluate. [123342012]Ch. B - b Evaluate. [122210331]Ch. B - b Evaluate. [322214433]Ch. B - b Evaluate.
14.
Ch. B - b Evaluate.
15.
Ch. B - b Evaluate. [1652445310]Ch. B - c Solve using Cramers rule. x4y=6,5x+9y=10Ch. B - c Solve using Cramer’s rule.
18.
Ch. B - c Solve using Cramer’s rule.
19.
Ch. B - c Solve using Cramers rule. 5x4y=3,7x+2y=6Ch. B - c Solve using Cramers rule. 4x+2y=11,3xy=2Ch. B - c Solve using Cramers rule. 3x3y=11,9x2y=5Ch. B - c Solve using Cramers rule. x+4y=8,3x+5y=3Ch. B - c Solve using Cramers rule. x+4y=5,3x+2y=13Ch. B - c Solve using Cramers rule....Ch. B - c Solve using Cramers rule....Ch. B - c Solve using Cramers rule....Ch. B - c Solve using Cramers rule. 3c=6,b+2c=2,7a3b5c=14Ch. B - c Solve using Cramer’s rule.
29.
Ch. B - c Solve using Cramers rule....Ch. B - c Solve using Cramers rule....Ch. B - c Solve using Cramers rule....
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- ◄ Listen A vacant lot is being converted into a community garden. The garden and a walkway around its perimeter have an area of 560 square feet. Find the width of the walkway (x) if the garden measures 15 feet wide by 19 feet long. Write answer to 2 decimal places. (Write the number without units). X 15 feet Your Answer: 19 feet Xarrow_forwardListen A stuntman jumps from a roof 440 feet from the ground. How long will it take him to reach the ground? Use the formula, distance, d = 16t2, (where t is in seconds). Write answer to 1 decimal place. (Write the number, not the units). Your Answer:arrow_forwardSolve x² - 10x + 24 = 0 ○ A) 4,6 B) -12, -2 C) 12,2 D) -4, -6arrow_forward
- Factor the polynomial completely. x^2- 9 A) (x - 1)(x -9) B) (x - 3)(x + 3) c) (x -3)(x-3) D) (x + 3)(x + 3)arrow_forwardDirections: Use the equation A = Pet to answer each question and be sure to show all your work. 1. If $5,000 is deposited in an account that receives 6.1% interest compounded continuously, how much money is in the account after 6 years? 2. After how many years will an account have $12,000 if $6,000 is deposited, and the account receives 3.8% interest compounded continuously? 3. Abigail wants to save $15,000 to buy a car in 7 years. If she deposits $10,000 into an account that receives 5.7% interest compounded continuously, will she have enough money in 7 years? 4. Daniel deposits $8,000 into a continuously compounding interest account. After 18 years, there is $13,006.40 in the account. What was the interest rate? 5. An account has $26,000 after 15 years. The account received 2.3% interest compounded continuously. How much was deposited initially?arrow_forwardTRIANGLES INDEPENDENT PRACTICE ription Criangle write and cow Using each picture or description of triangle write and solve an equation in ordering the number of degrees in each angle TRIANGLE EQUATION & WORK ANGLE MEASURES A B -(7x-2)° (4x) (3x)° (5x − 10) C (5x – 2) (18x) E 3. G 4. H (16x)° LL 2A= 2B= ZE=arrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
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