- A part of Death Valley, near bad water (#1945)
A part of Death Valley, near bad water, lies 282 ft below sea ...
numbers, radicals, expressions, radical expressions, number sense
- A soccer field in a city park is rectangular (#2506)
A soccer field in a city park is rectangular. The length of the field is 120 yards and the width of the field is 60 ...
radical expressions, radicals, expressions, numbers, number sense
- If the square root of 2 is less than 6 times a number (#1590)
If the square root of 2 is less than 6 times a number is divided by 2 less than the number, the quotient is 2...
expressions, radical expressions, radicals, numbers, number sense
- Jamie buys a square tablecloth (#2497)
Jamie buys a square tablecloth. The package label declares, the area of the cloth is 800 sq inches. What is the length of a side of the ...
radical expressions, radicals, expressions, numbers, number sense
- Jan invested $3600 (#11)
Jan invested $3600, part at 8% and the rest at 7%. If the total income from the investments was $274...
radical expressions, expressions, radicals, numbers, number sense
- One person says that numbers in radicals (#3133)
One person says that numbers in radicals are useless because they do not have any real world relevance. Give a convincing practical example to show this person that they are very practical and we need ...
radical expressions, radicals, expressions, numbers, number sense
- radical expressions (#88)
A rectangle is 7 times as long as it is ...
radical expressions, expressions, radicals, numbers, number sense
- simplifying radical expressions (#59)
Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on earth also varies according to the elevation of the object? In particular, the weight of an object follows this equation: w=Cr-2, where C is a constant, and r is the distance that the object is from the center of the earth.
a. Solve the equation for r.
b. Suppose that an object is 100 pounds when it is at sea level. Find the value of C that makes the equation true. (Sea level is 3,963 miles from the center of the earth.)
c. Use the value of C you found in the previous question to determine how much the object would weigh in
i. Death Valley (282 feet below sea level)
ii. The top of Mt McKinley (20,320 feet above sea level)
simplifying radical expressions, radical expressions, expressions, radicals, numbers, number sense
- simplifying radical expressions (#52)
The strength of a medication over time is represented by the equation y=200(1.5)-x, where x represents the number of hours since the medication was taken and y represents the number of micrograms per milimeter left in in the blood. After 4...
simplifying radical expressions, radical expressions, expressions, radicals, numbers, number sense
- simplifying radical expressions (#37)
What is the square root of 48 minus the square root of 75?
simplifying radical expressions, radical expressions, expressions, radicals, numbers, number sense
- What is the square root (#392)
What is the square root of 49 multiplied by the square root of 9?
radical expressions, expressions, radicals, numbers, number sense
