03/29/25
Probability of Two University Women being 65.5 Inches or Shorter
The Empirical Rule states that for bell-shaped distributions, about 68% of the values fall within 1 standard deviation of the mean. The heights of women at a large university are approximately...
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03/27/25
Surface area. Figuring out the answer
if Sam is making a cardboard box that is 18 inches long, 12 inches wide, and 19 inches tall, he needs to measure the box by 1 inch squares. He wants to find out how many squares it would need to...
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03/27/25
What is a 2.264 GPA out of 100
03/27/25
math probability
You measure 46 textbooks' weights, and find they have a mean weight of 37 ounces. Assume the population standard deviation is 2 ounces. Based on this, construct a 99% confidence interval for the...
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03/26/25
straight river question
A farmer has 100 meters of fencing and wants to enclose a rectangular field next to a straight river, using the river as one side of the enclosure. Since the river provides a natural boundary,...
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03/25/25
In a science experiment, Marie's solution needs to contain 0.1% of her chemical. If the solution is 710ml, what is the volume of chemical inside?
In a science experiment, Marie's solution needs to contain 0.1% of her chemical.If the solution is 710ml, what is the volume of chemical inside?
why is cos(2/7) an irrational transcendental number
for any integers p and q, p≠0, q≠0, cos(p/q) is an irrational transcendental number.explain how to prove.
03/18/25
Tim spent half of his allowance
Tim spent half of his allowance going to the movies. He washed the family car and earned 8 dollars. What is his weekly allowance if he ended with 11 dollars?
03/15/25
Mcdonald's Item Prices
mcdonald's sells any 2 burgers for $4.49. knowing this how much would 20 burgers cost?
03/13/25
Marty rode 40 miles in 3 hours. At this rate, how long will it take Marty to ride 100 miles?
Ratio box
03/12/25
Tim’s weekly pocket money
Tim’s weekly pocket money is $13.50 more than Sam’s. Sam spends $17.70 more than Tim every week. Tim spends 5/11 of his pocket money every week. Sam saves 1/2 as much as Tim every week. How much...
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03/12/25
Add, subtract, multiply, and divide fractions and mixed numbers: word problems
Miss Baldwin bought a block of cheddar cheese. The block weighed 7/10 of a pound. She cut the block up into 7 equal pieces. What was the weight of each piece of cheese?Write your answer as a...
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03/11/25
Here is what they answered. 15, 14, 12, 7, 15, 5, 6, 5 Find the mean and median travel times for these students. If necessary, round your answers to the nearest tenth. (a) Mean: (b) Median:
The students in Mrs. Anderson's class were asked how many minutes it takes them to get to school in the morning. Here is what they answered.15, 14, 12, 7, 15, 5, 6, 5Find the mean and median...
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03/10/25
Ralph read one-eighth of his book what fraction of the book does he have left
I CANT SOLVE MY NIECES HOMEWORK!!
03/09/25
If you paid $42 for shoes at the Superstore, how did much they cost at the Regular Retail Store?
03/09/25
What is a 2.264 GPA out of 100
03/07/25
An organization will give a prize to a local artist. The artist will be randomly chosen from among 11 painters, 3 sculptors, and 5 photographers.
What is the probability that the artist chosen will be a sculptor or a photographer?Write your answer as a fraction in simplest form.
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