11/28/23

What is the length of a rectangle 3 times the width the perimeter is 20?
This is for my algebra class
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11/25/23

heart rates normally distributed

heart rates normally distributed mean of 68 beats per minute, standard deviation of 2 beats per minute. If 500 women are​ examined, how many would you expect to have a heart rate of less than 69 ​?
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11/21/23

Algebra word problem
Last year, 250 people attended the year end celebration party. This year, the number of party- goers has skyrocketed. If the cost is 75 per 20 people, and your new budget is $1500, how many new... more
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11/06/23

2x+3y=4 2x=7y+24
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11/04/23

Elementary Algebra problem solving strategy
One number is three more than twice another their sum is -5
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11/03/23

my math homework and I need help
Suppose that water usages in American showers are normally distributed, with an average shower using 16.8 gallons, and a standard deviation of 2.5 gallons. Estimate the percentage of showers that... more
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11/02/23

im having a hard time with this question and i just started high school a little while ago and I'm STRUGGLING so i was wondering if you guys could help a little bit

Find three consecutive odd integers such that the sum of the first two is 25 less than the third.
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10/23/23

Bill and Mary Ann went to the Viola bakery. Bill bought 3 danishes and 6 filled donuts for ​$11.64 Mary Ann bought 4 of each for ​$9.52 What is the price of each type of​ pastry?
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10/23/23

Write the mixed numbers as improper fractions
write the mixed numbers as improper fractions and vice1. 41/202. 38/93. 70/134. 76/95. 2 3/56. 5 3/57. 6 1/78. 11 4/9
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10/23/23

Solve the following problems.
1.Larry read 3/5 of a book in the morning. He read the remaining 36 pages of the book in the afternoon. How many pages were there in all?2. Jerome sold fruits at the market. He sold of 4/9 them and... more
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10/20/23

Suppose that bacteria growth is modelled by the DE
Suppose that the number of bacteria is observed to double after 4 days, and the estimated carrying capacity is19 times the initial population. What is the estimated population, as a multiple of the... more
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10/09/23

y is half of x plus 10
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10/09/23

solve for x: -5x+6=-12x+62
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10/02/23

Rational Equations Work and Motion Aplications
Hope can bicycle 66 miles in the same time as it takes her to walk 18 miles. She can ride 8 mph faster than she can walk. How fast can she walk?Using r as your variable to represent the rate at... more
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09/26/23

Write and Solve Equations in Context
Mariam took a taxi from her house to the airport. The taxi company charged a pick-up fee of $2.90 plus $1.25 per mile. The total fare was $6.65, not including the tip. Write and solve an equation... more
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09/17/23

Two standard dice are rolled. The product of the two numbers rolled is calculated. What is the probability that the ones digit of this product is 0?
Given Options(A) 11/36(B) 2/9(C) 1/36(D) 1/6(E) 5/36I am looking for answer + explanation.
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09/16/23

Rounding Help...
Round to two decimals:5.490 =22.929 =-0.659 =4.178 =4.714 =2.714 =1.3261.204 =Round to the nearest one. Don't add decimals:46.429 =53.571 =
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09/12/23

Express the​ cost, y, as a linear function of the number of​ heaters, x. Determine the cost to produce 20 heaters
A company finds it can produce 5 heaters for $2000, while producing 10 heaters costs $3300. Express the​ cost, y, as a linear function of the number of​ heaters, x. Determine the cost to produce 20... more
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09/10/23

A class is made up of 68% women and has 19 women in it. What is the total number of students in the class?
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09/07/23

a pharmacist needs to mix a 5% anti cream with a 10% anti cream to make 50 mm of a mixture that contains 8% of the anti cream,. How much of the 5% cream and the 10% cream is needed
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09/06/23

Mercedes can download new songs for $1.39 each. Write an equation to show how many songs she can download for $15.00.

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09/03/23

a rectangular garden covers 200 yd^2. the length is 8yd longer than the width. find the length and width.
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09/03/23

Solve the following

Solve the following1. A well is 20 feet deep. A snail at the bottom climbs vertically up 4 feet each day and slips back 2 feet each night. How many days will it take the snail to reach the top of... more
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08/29/23

How do I solve for B in this equation

h=a/b
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08/29/23

Use grouping symbols

Use grouping symbols to make each equation correct.1. 4x7+1=322. 6+8/2=73. 5+7*2-2-12=54. 30-2+3*6=205. 14+2*12-4=306. 90/16+2*5=17. 23-2*3/9=78. 28/7+7*2-1=09. 54/6*3+2*3+7=2310. 50/5*2/10=49
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