10/13/22

probability question

find the probability of drawing a red card or a club from a standard deck of cards. 1/83/41/521/7
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10/11/22

help on algebra

a calculus exam that was taken by 86 students is recorded and normally distributed. The mean score on the exam is 73.5 and the standard deviation is 2.8. What percent of the scores are in the 70.7... more
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10/11/22

How do i write out an equation for this?
The sum of the ages of Courri and Gail is 74 years. 11 years ago, Courri's age was 3 times Gail's age. How old is Courri now?
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10/07/22

Algebra question
Suppose that there are two types of tickets to a show: advance and same-day. The combined cost of one advance ticket and one same-day ticket is $45. For one performance, 25 advance tickets and 30... more
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10/04/22

The larger of two numbers is 20 more than the smaller. Four times the larger is 70 more than 5 times the smaller
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10/04/22

How to find dimensions?

The perimeter of a rectangle is 26 and the area is 30. What are the dimensions of the rectangle? (please provide answer in following format: a x b).
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10/04/22

Algebra 2 math

y= square root of x left 8 down 12 how do I do this?
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10/04/22

What is the percentage of these two apartments?
You are comparing the prices of two different apartments. The first apartment is new and fully furnished with a monthly rent of $950. The second is a much older basement apartment but the rent is... more
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10/04/22

help on algebra 2
Professor Herring is grading the final exam. He notices that the mean test score is 72, and the standard deviation is 6. The test scores were normally distributed.If there were 300 students in the... more
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10/02/22

I'm stuck on this word problem.
Part of the proceeds from a garage sale was $410 worth of $10 bills and $20 bills. If there were 2 more $10 bills than $20 bills, find the number of each denomination.
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09/30/22

If an item costs $470 before taxes and taxes were $14.10 find the percentage

$470 before taxes taxes are $14.10 what is the percentage
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09/30/22

Quadratic functions
In the following exercise, find the coordinates of the vertex for the parabola defined by the given quadratic function. f(x) = - 4(x + 1)2 + 6
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09/29/22

Please help me understand the formula and answer
A clothing business finds there is a linear relationship between the number of shirts, nn, it can sell and the price, pp, it can charge per shirt. In particular, historical data shows... more
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09/29/22

The birth rate of Namibia is 35 babies to every 1000 people. in 2001, the country had a population of about 1,800,000 people, how many babies were there?
The birth rate of Namibia is 35 babies to every 1000 people. in 2001, the country had a population of about 1,800,000 people, how many babies were there?
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09/28/22

Math Question Algebra
A jogger starts from one end of a 17-mile nature trail at 8:00 A.M. One hour later, a cyclist starts from the other end of the trail and rides toward the jogger. If the rate of the jogger is 5 mph... more
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09/28/22

How do you solve this? 2/3(2x + 3) = 2
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09/27/22

What does n=? (statistics)
A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size sample should be obtained if he wishes the estimate to be within 2 percentage points with 90​%... more
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09/26/22

Algebra 2 Homework
In certain deep parts of oceans, the pressure of sea water, P,P, in pounds per square foot, at a depth of dd feet below the surface, is given by the following equation:P=13+4d/9If a scientific team... more
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09/25/22

The perimeter of an equilateral triangle is inches more than the perimeter of a​ square, and the side of the triangle is inches longer than the side of the square. Find the side of the triangle.
The perimeter of an equilateral triangle is 4 inches more than the perimeter of a​ square, and the side of the triangle is 4 inches longer than the side of the square. Find the side of the triangle.
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09/25/22

write an equation of the line through (-6,-6) having slope 9/5. give answer in standard form
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09/25/22

2 peaches and 12 apples cost $14.60. 6 peaches and 4 apples cost $18.20. How much is an peach?
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09/24/22

The area of a rectangular wall of a barn is 140 square feet. Its length is 6 feet longer than twice its width. Find the length and width of the wall of the barn
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09/22/22

Lindsay and her father like to attended concerts on Saturday afternoons. Lindsey is 5 years less than half her father's age. The sum of their ages is 79. How old is lindsey.
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09/22/22

Algebra 1A - Applications
The length of a rectangle is 6 inches more than the width. The perimeter of the rectangle can be no more than 48 inches. Write a compound inequality to represent the possible widths.
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09/22/22

algebra one grade 8
fatima earned an 85 average in her science class. The average is based on 6 tests that she takes over the span of the marking period. On her first four tests she earned a 83, a 78 an 87 and an 80.... more
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