09/24/20
College algebra word problem
Two planes fly in opposite directions. One travels 550 mi/h and the other 450 mi/h. How long will it take before they are 9,000 mi apart?
09/24/20
College algebra word problem
A retired woman has $80,000 to invest but needs to make $9,000 a year from the interest to meet certain living expenses. One bond investment pays 15% annual interest. The rest of it she wants to...
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09/24/20
A silver dollar is dropped from the top of a building
A silver dollar is dropped from the top of a building that is 1389 feet tall. Use the position function below for free-falling objects.s(t) = −16t2 + v0t + s0(b) Determine the average velocity on...
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09/24/20
Problem For Math
An international company has 26,800 employees in one country. If this represents 31.8% of the company's employees, how many employees does it have in total?
09/24/20
math quiz 2020 7th grade
In real life, 2 cities are located 525 miles apart. The scale on a map is 2 inches = 100 miles. How far apart would the 2 cities be on the map?
09/24/20
finding area and math
A rancher has 4,740 feet of fencing available to enclose a rectangular area bordering a river. She wants to use part of the fencing to create a partition to separate her cows from her horses by...
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Math Functions Which ones are correct
Which of the following relations are functions? (2 points)
y = x + 2
x = y + 2
x + y = 2
Answer Choices:
Choice I only
Choice II only
Choice III only
All of them
09/24/20
The vertices of ∆XYZ are X(−3, −6), Y(21, −6), and Z(21, 4). What is the perimeter of the triangle?
09/24/20
A rope 25 feet long is cut into 3 pieces. The first piece is 2x feet long, the second piece is 5x feet long, and the third piece is 4 feet long.
a. Write and solve an equation to find x.b. Find the lengths of the first and second pieces.
09/24/20
I have a math test and I don't know how to do a question that says solve H=-b/2a for b
Solve H=-b/2a for b that's all I have for the question and it doesn't explain much but that's all there is. I've look up other ways but it doesn't tell me the exact answer just tell me to cross...
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09/24/20
word problems in algebra
A farmer plans to use 180 feet of fencing to enclose a rectangular region, using part of a straight river bank instead of fencing as one side of the rectangle, as shown in the figure.(a) Find the...
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09/24/20
word problems in algebra
A runner starts at the beginning of a runners' path and runs at a constant rate of 6 mi/hr. Fifteen minutes later a second runner begins at the same point, running at a rate of 8 mi/hr and...
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09/24/20
word problems in algebra
A pharmacist is to prepare 15 milliliters of special eye drops for a glaucoma patient. The eye-drop solution must have a 4% active ingredient, but the pharmacist only has 10% solution...
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09/24/20
word problems in algebra
Six hundred people attended the premiere of a motion picture. Adult tickets cost $9, and children were admitted for $2. If box office receipts totaled $4910, how many children attended the premiere?
09/24/20
Word problems in Algebra
A couple does not wish to spend more than $70 for dinner at a restaurant. If a sales tax of 8% is added to the bill and they plan to tip 20% after the tax has been added, what is the most they can...
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