Grade - math word problems - page 99 of 945

Number of problems found: 18900

Suppose 8
Suppose the scores on a test have a normal distribution with X=74 and a standard deviation of s=18. What percentage of students have scores higher than 90? What percentage of students have scores between 70 and 85? Twenty percent of the students do better
Jodi is
Jodi is cutting out pieces of paper that measure 8 1/2 inches by 11 inches from a larger sheet of paper that has an area of 1,000 square inches. What is the area of each piece of paper that Jodi is cutting out?
Cplx sixth power
Let z = 2 - sqrt(3i). Find z⁶ and express your answer in rectangular form. if z = 2 - 2sqrt(3 i) then r = |z| = sqrt(2 ^ 2 + (- 2sqrt(3)) ^ 2) = sqrt(16) = 4 and theta = tan -2√3/2=-π/3
Trinity 2
Trinity has saved $500 for a new car. She recently got a job as a dog walker and added $70. What percent of her original savings got added?
Triangle - XYZ
For triangle XYZ, ∠X = (6g + 14)° and the exterior angle to ∠X measures (5g + 45)°. Find the measure of ∠X and its exterior angle.
The perimeter 10
The perimeter of a rectangle is 162 inches. The length is 35 inches longer than the width. Find the length and width of the rectangle.
The masses
The masses of a mother and a daughter differ by 30kg and are in the ratio of 8:5. Find the mass of each.
Minus temperature 2
The temperature in the town is -4.7°C. The temperature decreases by 5.4°C. What is the new temperature?
The 738
The area of a rectangular garden is 2400 sq m. Find the width of the garden if its length is 40m.
Flags 2
1/4 are white and another 1/4 are yellow. What fraction of the flags are either white or yellow?
A football 2
A football team wins 2/5 of their matches and draws 1/3. What fraction of their matches are lost?
The sum 32
The sum of three consecutive odd numbers is 33. What are the three consecutive odd numbers?
A triangle 8
A triangle has a base of 9.2 feet and a height of 4.8 feet. What is the area of the triangle?
Unit price
A 4-ounce bottle of soap costs $1.37. What is the unit price, rounded to the nearest cent?
Mary read
Mary read 2/9 books in the morning and 5/9 in the evening. What fraction of books has she read?
The sum 31
The sum of two fractions is 13 3/4. Their difference is 8 1/5. What are fractions?
What number
What number must be added to both the numerator and denominator of 3/5 to get 5/6?
Electronic price decrease
Each year a store decreased the price of a specific TV model by $35. If the price in 2001 was $1,950, what was the price in 2009?
The sum 30
The sum of 8 times a number and 5 times another number is 184. The first number minus the second number is -3. What are the numbers?
The sum 29
The sum of the two numbers is 35.407. If one number is 21.7043, find the other number.

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