6,938 Answered Questions for the topic mathematics

01/08/22

The angle of elevation of a building 80 m high from a man on the ground is 50.41 degrees. How far is the man from the building?

The angle of elevation of a building 80 m high from a man on the ground is 50.41 degrees. How far is the man from the building?
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Mathematics Math Algebra 1 Algebra 2

01/07/22

A student keeps track of how long it takes her to write her signature.
A student keeps track of how long it takes her to write her signature. She collects the data in one sitting so that she can see if there is a change in her writing rate over time. She wants to know... more
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Mathematics Math Algebra 1 Algebra 2

01/07/22

A way to measure how well the trendline fits the data is by looking at the sum of the squared residuals.
A way to measure how well the trendline fits the data is by looking at the sum of the squared residuals. When a trendline is close the points on the scatterplot, the residuals are small and so is... more
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Mathematics Math Algebra 1 Algebra 2

01/07/22

A linear model describes the relatioship between the weight in pounds and the age in months for Great Dane puppies:
A linear model describes the relationship between the weight in pounds and the age in months for Great Dane puppies: Weight = 16.25(age in months) - 9.5. The model was created by using weights for... more
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Mathematics Math Algebra 1 Algebra 2

01/07/22

How many grams of pumpkin are in 300 mL of a 30% pumpkin juice solution?
How many grams of pumpkin are in 300 mL of a 30% pumpkin juice solution?
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Mathematics

01/07/22

Ted runs 5 miles in three-fourths (3/4) of an hour
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Mathematics

01/07/22

Find the solution to the following system by substitution.

3x + y = 30y = 3xA. (5,15)B. (0,30)C. (10,30)D. (10,0)
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01/07/22

The angle of elevation of a building 80 m high from a man on the ground is 50.41 degrees. How far is the man from the building?

The angle of elevation of a building 80 m high from a man on the ground is 50.41 degrees. How far is the man from the building?
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Expert Answers •1

01/07/22

From the top of a cliff 350 ft high lighthouse, the angle of depression of a motorboat on the sea is 10.15 degrees. Find the distance of the boat from the base of the lighthouse.

 From the top of a cliff 350 ft high lighthouse, the angle of depression of a motorboat on the sea is 10.15 degrees. Find the distance of the boat from the base of the lighthouse.
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01/07/22

When the angle of elevation of the sun is 61 degrees, the building casts a horizontal shadow of 50 meters. How high is the building?

When the angle of elevation of the sun is 61 degrees, the building casts a horizontal shadow of 50 meters. How high is the building?
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01/07/22

The shorter side of a rectangle is 92 cm and the angle made by the diagonal and the shorter side is 60.71 degrees. Find the length of the rectangle
The shorter side of a rectangle is 92 cm and the angle made by the diagonal and the shorter side is 60.710. Find the length of the rectangle
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Mathematics Math Maths

01/07/22

Last October 30, 2020, Liza bought 500 shares of RTW stock for Php 650.00 per share. 
Last October 30, 2020, Liza bought 500 shares of RTW stock for Php 650.00 per share. On November 25, 2020, RTW paid a Php 630.00 dividend per share, and on January 15, 2021, she sold the stock for... more
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01/06/22

The angle of elevation of a building 80 m high from a man on the ground is 50.41 degrees. How far is the man from the building?

The angle of elevation of a building 80 m high from a man on the ground is 50.41 degrees. How far is the man from the building?Please show illustration.
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01/06/22

Sketch the two cycles of the graph (starting from x = 0) of the given function. Indicate the amplitude, period, phase shift, domain and range and vertical asymptotes.

Sketch the two cycles of the graph (starting from x = 0) of the given function. Indicate the amplitude, period, phase shift, domain and range and vertical asymptotes.y = tan 2x
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01/06/22

Sketch the two cycles of the graph (starting from x = 0) of the given function. Indicate the amplitude, period, phase shift, domain and range and vertical asymptotes.

Sketch the two cycles of the graph (starting from x = 0) of the given function. Indicate the amplitude, period, phase shift, domain and range and vertical asymptotes. y = -sec x
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01/06/22

When the kite is 120 ft high, it makes an angle of 40 degrees with the level ground. How long is the string?

 When the kite is 120 ft high, it makes an angle of 40 degrees with the level ground. How long is the string?
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01/06/22

From the top of a cliff 350 ft high lighthouse, the angle of depression of a motorboat on the sea is 10.15 degrees. Find the distance of the boat from the base of the lighthouse.

From the top of a cliff 350 ft high lighthouse, the angle of depression of a motorboat on the sea is 10.15 degrees. Find the distance of the boat from the base of the lighthouse.
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Expert Answers •1
Mathematics

01/05/22

How do you explain that the product of a fraction less than one and a whole number is less?
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01/05/22

The angle of elevation of a building 80 m high from a man on the ground is 50.41degrees. How far is the man from the building?

1.   The angle of elevation of a building 80 m high from a man on the ground is 50.41 degrees. How far is the man from the building?
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Expert Answers •1

01/05/22

Sketch the two cycles of the graph (starting from x = 0) of the given function. Indicate the amplitude, period, phase shift, domain and range and vertical asymptotes.

Sketch the two cycles of the graph (starting from x = 0) of the given function. Indicate the amplitude, period, phase shift, domain and range and vertical asymptotes. 1.   y = 4... more
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01/05/22

1. The shorter side of a rectangle is 92 cm and the angle made by the diagonal and the shorter side is 60.71 degrees. Find the length of the rectangle.

1.   The shorter side of a rectangle is 92 cm and the angle made by the diagonal and the shorter side is 60.710. Find the length of the rectangle.
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Mathematics Math Simplify Radical

01/04/22

simplify each radical expression by multiplying or dividing the radicals.

1. √5 •√102. -3√3  (2√5 +√6)3.( 7+√12) (7-√12)4.√6÷√5)5.  √5 ———   5+√2 show the solution.
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Mathematics Math Math

01/04/22

please help me get the perimeter of a triangular garden
the sides are measured 4√8 cm, 5√2 cm and 4√18 cm please provide a solution if you can
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Mathematics Math Math

01/04/22

please help me get the perimeter of a triangular garden
the sides are measured 4√8 cm, 5√2 cm and 4√18 cm please provide a solution if you can
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Expert Answers •1
Mathematics Math Calculus Maths

01/04/22

Fourier series Piecewise
I am trying to self teach Fourier series and can't seem to figure this one out.How do I approach solving a Fourier series piecewise function f(x) = 1 if 0 < x < pi or f(x) = 2 if pi < x... more
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