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Question

Which two reasons explain why?

The text states that tires on ordinary cars use the regular air that we breathe, but race car tires use pure nitrogen. Which two reasons explain why? A The tire holds its pressure longer with nitrogen. B Pit crews have to calculate tire…

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Question

Eric starts with 10 milligrams of a radioactive substance. The amount of the substance decreases by 1/2 each week for a number of weeks, w. He writes the expression 10(1/2)ᵂ to find the amount of radioactive substance remaining after w weeks. Andrea starts with 1 milligram of a radioactive substance. The amount of the substance decreases by 20% each week for a number of weeks, w. She writes the expression (1 – 0.2)ᵂ to find the amount of radioactive substance remaining after w weeks. Use the drop-down menus to explain what each part of Eric’s and Andrea’s expressions mean. Eric’s Expression: 10(1/2)ᵂ 1/2: w: 10: (1/2)ᵂ: Andrea’s Expression: (1 – 0.2)ᵂ.

Eric starts with 10 milligrams of a radioactive substance. The amount of the substance decreases by 1/2 each week for a number of weeks, w. He writes the expression 10(1/2)ᵂ to find the amount of radioactive substance remaining after w…

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Question

Which statement about this expression is true?

Ariana starts with 100 milligrams of a radioactive substance. The amount of the substance decreases by 20% each week for a number of weeks, w. The expression 100(1 – 0.2)ʷ finds the amount of radioactive substance remaining after w weeks.…

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Question

Which statement about this expression is true?

Ariana starts with 100 milligrams of a radioactive substance. The amount of the substance decreases by 20% each week for a number of weeks, w. The expression 100(1 – 0.2)^w finds the amount of radioactive substance remaining after w…

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Question

Hasan plans to choose a book from a section of the store where everything is 25% off. He writes the expression d – 0.25d to find the sale price of the book if the original price is d dollars. Bella correctly writes another expression, 0.75d, that will also find the sale price of the book if the original price is d dollars. Use the drop-down menus to explain what each part of Hasan’s and Bella’s expressions mean. Hasan’s Expression: d – 0.25d d: 0.25: 0.25d: d – 0.25d: Bella’s Expression: 0.75d 0.75: d:

Hasan plans to choose a book from a section of the store where everything is 25% off. He writes the expression d – 0.25d to find the sale price of the book if the original price is d dollars. Bella correctly writes another expression,…

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Question

What is the central idea of this text?

What is the central idea of this text? A) Engineering and math are necessary for the design and safety of race cars. B) NASCAR engines are built out of lightweight materials that are still incredibly strong. C) Much of the math behind…

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Question

Place these events from this story in order, from the first to the last. A watchman at Wu Ti’s palace spotted Jen Fu’s ships. Jen Fu’s warriors saw the kites and turned their ships around. The citizens of Len Yo built and flew 100 frightening kites. King Jen Fu decided to go to war with Wu Ti

Place these events from this story in order, from the first to the last. A watchman at Wu Ti’s palace spotted Jen Fu’s ships. Jen Fu’s warriors saw the kites and turned their ships around. The citizens of Len Yo built and flew 100…

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Question

What is an overdraft fee?

What is an overdraft fee? When you do not have enough money in your checking account and the bank lends you money so your card does not decline.

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