Given:
perfect score- 100
number of questions of the test- 25
worth of each question- 4 points
Fred's score- 84
n- number of questions Fred had answered incorrectly.
solution:
solve for n
division sentence: (100 ÷ 4 ) - ( 84 ÷ 4 ) = n
(100 ÷ 4 ) - ( 84 ÷ 4 ) = n
25 - 21 = n
4= n
therefore, Fred had answered 4 test questions incorrectly.
Answer: sound waves and mechanical waves or mechanical energy
Step-by-step explanation:
Ms. Patterson will take t>2.5 hours to burn 590 calories riding her bike at the same rate which is 236 calories every hour.
<h3 /><h3>What amount of time Ms. Patterson will take to burn more then 590 ?</h3>
Given that -
she burns 236 calories in 1 hour get = hours
so time taken to burn 590 calories at same rate = hours
so time taken to burn 590 calories at same rate = 2.5 hours
hence Ms. Patterson will take t>2.5 hours to burn 590 calories riding her bike at the same rate which is 236 calories every hour.
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Answer:
1 D
2
Step-by-step explanation: