04/28/21

Word Problem x3
If Chris has 13 nickels and dimes in his pocket, and they have a combined value of 100 cents, how many of each coin does he have?
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04/28/21

Write the equation in standard form for the circle that has a diameter with endpoints (0,14) and (0,6).
No answer choices for this question
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04/28/21

probability question
As 4 cards are take out of a deck, what would the probability be if the 4th card is a RF card or a J, when the J of diamonds is the 1st card selected, 2nd the Q of hearts, 3rd three of... more
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04/28/21

In a regular pyramid, the lengths of the apothem a of the base, the altitude h, and the slant height ℓ satisfy the Pythagorean Theorem; that is, ℓ2 = a2 + h2.
Use the following theorem to answer the question.In a regular pyramid, the lengths of the apothem a of the base, the altitude h, and the slant height ℓ satisfy the Pythagorean Theorem; that... more
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04/28/21

Fencing question
A farmer has 600 ft of fencing. He wants to create a rectangular section away from the barn for horses. a) Help the farmer determine the dimensions that will allow for the maximum area.  b) Now... more
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04/28/21

If each lateral edge measures 15 ft and each base edge measures 18 ft, how many square feet of shingles need to be replaced? ( PLEASE SHOW STEPS)
A church steeple in the shape of a regular square pyramid needs to be reshingled. The part to be covered corresponds to the lateral area of the square pyramid.18 ft15 ft18 ftA regular square... more
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04/28/21

Geometery question
A kitchen which is 6 m by 5 m is to be renovated with tiles that are 18 ft2. Determine how many tiles are needed to renovate the kitchen and how much it would cost if each tile cost $9 per... more
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04/28/21

What does "Its on the graph" even mean?
I'm doing trig and I'm supposed to find the trig function but it says that (0, -5) is on the graph. If it helps the range is [-5, 2]. I am just really lost right now and I can't find any answers on... more
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04/28/21

A cable TV receiving dish is the shape of a paraboloid of revolution. Find the location of the receiver, which is placed at the focus, if the dish is 7 feet across at its opening and 2.5 feet deep.
How many feet above the vertex is the receiver?
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04/28/21

Describe how the change affects the surface area and volume of the solid.
Describe how the change affects the surface area and volume of the solid.31.Tripling the radius and height of a cylinder32.Dividing all the dimensions of a prism by 4.33. Multiplying all the... more
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04/28/21

The sum of two numbers is −12. One number is 20 less than the other. Find the numbers.
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04/28/21

Maria bought a swimming pool with a circumference of 24 feet. She wants to buy a cover for her pool. What is the approximate size of the cover that Maria will need to buy? Use 3.14 for pie
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04/28/21

A cable TV receiving dish is the shape of a paraboloid of revolution. Find the location of the receiver, which is placed at the focus, if the dish is 7 feet across at its opening and 2.5 feet deep.
How many feet above the vertex should the receiver be?
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04/28/21

Calculus Problem

Oil is leaking out of a ruptured tanker at the rate of r(t) = 45e^-0.06t thousand liters per minute. A. At what rate, in thousands of liters per minute, is the oil leaking out at t = 0? rate =... more
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04/28/21

probability question
1.two green tiles, one red tile, and a blue tileare put into a paper bag.a) What is the probability that a green tile is drawn, followed by a blue tile, assuming the first tile is replaced before... more
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04/27/21

y < -4x + 3
graph each inner inequality
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04/27/21

What algebraic expression matches this graph?
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04/27/21

A triangular prism has base edges 5cm​, 6cm​, and 8cm long. Its lateral area is 304cm^2. What is the height of the​ prism?
What is the height of the triangle described?
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04/27/21

Probability Question; There are two tests for a particular antibody.
There are two tests for a particular antibody. Test A gives a correct result 95% of the time. Test B is accurate 89% of the time. If a patient is given both tests, find the probability thata) both... more
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04/27/21

Two horses are observed by a hang glider 80 meters above a meadow. The angles of depression to the horses are 10.4 degrees and 8 degrees. How far apart are the horses?
Round answer to the nearest tenth
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04/27/21

Kyle is at the end of a pier 30 feet above the ocean. His eye level is 5 feet above the pier. He is using binoculars to watch a whale surface in the water below.
If the angle of depression to the whale is 20 degrees, how far is the whale from Kyle's binocular?Round to the nearest 10th.
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04/27/21

What is the area of the front of the shed (in square feet)?
A storage shed is in the shape of a pentagonal prism. The front represents one of its two pentagonal bases.2'6'10'5'A storage shed in the shape of a pentagonal prism is shown. The front and back of... more
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04/27/21

Pre-calc question, please help me with a step by step

A species in danger of extinction has a population that is decreasing exponentially Ten years ago the population was at 4000 and today only 2000 of the species are alive. Once the population drops... more
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04/27/21

3^x = 5^𝑥+2, Math pre-calc question

Please help me with a step by step
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04/27/21

Sean is making bracelets for a craft fair at school. He has 75,200 beads. If each bracelet uses 100 beads, how many bracelets can he make?
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