Questions by Tim Abell

Questions by Tim Abell

Multiplying Polynomials Distributive property 5a^2bc(-abc^2+3abc)-ab^2(2a^2c^2+ac^3+4a^2c^3)

asked Oct 18, 2023

1 answer

2 votes

186k views

Nolan used the following procedure to find an estimate for StartRoot 18 EndRoot. Step 1: Since 4 squared = 16 and 5 squared = 25 and 16 < 18 < 25, StartRoot 18 EndRoot is between 4 and 5. Step 2: Since 18 is closer to 16, square the tenths closer to 4. 4. 1 squared = 16. 81 4. 2 squared = 17. 64 4. 3 squared = 18. 49 4. 4 squared = 19. 36 Step 3: Since 18. 49 rounds to 18, 4. 3 is the best approximation for StartRoot 18 EndRoot. In which step, if any, did Nolan make an error? In step 1, StartRoot 18 EndRoot is between 4 and 5 becauseStartRoot 18 EndRoot almost-equals 20 and 4 times 5 = 20. In step 2, he made a calculation error when squaring. In step 3, he should have determined which square is closest to 18. Nolan did not make an error.

asked Feb 28, 2023

1 answer

41 votes

483k views

How many hours do you have to work to earn one credit? 40 O 100 O 160 O 256

asked Jan 13, 2023

1 answer

12 votes

497k views

The variables y and x have a proportional relationship, and y = 7 when x = 2. What is the value of y when x = 5? Enter your answer as a decimal in the box.

asked Jan 1, 2023

2 answers

5 votes

108k views

PLEASE HELP ME SOLVE THESE! -3n-4n-17=25 -15+7.5(2d-1)=7.5 Please show me how as well please :)

asked Jan 16, 2022

2 answers

40 votes

473k views

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