59,606 Answered Questions for the topic Math

12/16/23

How many chloramphenicol capsules, each containing 250 mg of chloramphenicol are needed to provide 50 mg/kg body weight per day for 1 week for a person weighing 150 lbs.
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12/16/23

Speed problem math
There are 10 kilometres between Toy Town and Candy Land. A train carrying toys leaves Toy Town for Candy Land travelling at a rate of 4km/h. At the same time, a train carrying candy leaves Candy... more
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12/16/23

Date problem general

What will the date be in four days. If two days ago was December 19?
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12/16/23

Date problem math

Four days before yesterday was January 4th. What is the date today?
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12/16/23

How many were left

Dennis has 12 pairs of socks in his sock drawer. Six are blue and six are black. He gets when it is still dark after a winter storm has cut the electricity to his house. How many pairs of socks... more
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Math

12/16/23

mathematics homework problem
A swimming pool has a 3-foot wide cement walkway around its perimeter as shown.Write a simplified expression that represents the area (in square feet) of the cement walkway.
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12/15/23

find a demand function d(q) , where q is the quantity/number of the spectators. (assume d(q) is linear)
a baseball team plays in a stadium that holds 72000 spectators. with the ticket price at $8 the average attendance has been 29000. when the price dropped to $4, the average attendance rose to... more
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Math Statistics

12/15/23

URGENT!!! PLEASE:If n=21, x bar=41, and s=6, construct a confidence interval at a 99% confidence level. Give your answers to one decimal place.
If n=21, x bar=41, and s=6, construct a confidence interval at a 99% confidence level. Give your answers to one decimal place. < μ <
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Math

12/15/23

Daniel is teaching a class to make parols. He needs 450 sheets of craft paper. The paper is sold in packs of 30 sheets.
Find how many packs of paper Daniel needs to buy.
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Math Calculus

12/14/23

Which of these physical settings make sense for the object in question 1, whose position is given by a(t) = -3 cos(t)?
A car driving from San Diego to Los Angeles. B. An ant walking at a steady pace from the tip of a propeller toward the hub. C. A skydiver falling from a plane, before she opens her parachute. D.... more
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Math Calculus

12/14/23

How fast is the water level rising when the water level is 5m from the bottom of the tank?
A hemispherical water tank with a radius of 10 m is filled from an inflow pipe at a rate of 3 m^3/min. How fast is the water level rising when the water level is 5m from the bottom of the tank?... more
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Math

12/14/23

Math problem (Simplifying an equation)
The above equation simplifies to this:I don't understand how though, please give a detailed step-by-step solution to the question.
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12/14/23

Which transformation will result in an image that is congruent to its pre-image?
Which transformation will result in an image that is congruent to its pre-image?  (x, y) → (−x, −4y)  (x, y) → (4x, y − 4)  (x, y) → (−4x, y) (x, y) → (−x, −y)
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12/14/23

After a dilation from the origin, ∆ABC maps onto ∆DEF. Which of the following statements is true?
After a dilation from the origin, ∆ABC maps onto ∆DEF. Which of the following statements is true?  m∠C = 4 · m∠F    ∠E ≅ ∠B  
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12/14/23

Which sequence of transformations will result in an image that is similar to its pre-image?
Which sequence of transformations will result in an image that is similar to its pre-image?  A translation followed by a rotation  A rotation followed by a translation A reflection followed by a... more
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12/14/23

The vertices of ∆MNO and ∆PQR are described in the table. How can ∆MNO ~ ∆PQR be justified using rigid and non-rigid transformations? 
The vertices of ∆MNO and ∆PQR are described in the table. ∆MNO∆PQR M (2, 4) P (−4, 8) N (5, 4) Q (−10, 8) O (6, 2) R (−12, 4) How can ∆MNO ~ ∆PQR be justified using rigid and non-rigid... more
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12/14/23

Which of the following statements describes the properties of triangles JKL and J''K''L'' after the transformations?
Triangle JKL is rotated 90° clockwise and then dilated by a scale factor of 4 centered at the origin. Which of the following statements describes the properties of triangles JKL and J''K''L'' after... more
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12/14/23

Quadrilaterals LMNO and PQRS are shown in the figure. Are quadrilaterals LMNO and PQRS similar?
Quadrilaterals LMNO and PQRS are shown in the figure.Are quadrilaterals LMNO and PQRS similar?  Yes, quadrilaterals LMNO and PQRS are similar because a translation and a dilation map quadrilateral... more
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12/14/23

Which of the following transformations maps triangle JKL to triangle MNO? What is the relationship between the triangles?
Triangles JKL and MNO are shown in the figure.Which of the following transformations maps triangle JKL to triangle MNO? What is the relationship between the triangles?  Reflect triangle JKL over... more
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12/14/23

What are the coordinates of E' that will justify ∆DEF ~ ∆D'E'F'? 
The transformation of ∆DEF is described in the table. ∆DEF∆D'E'F' D (0, 0) D' (0, 0) E (3, 2) E' (x, y) F (7, 6) F' (14, 12) What are the coordinates of E' that will justify ∆DEF ~... more
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12/14/23

How fast is the tip of her shadow moving when she is 35 ft from the base of the pole?
A street light is at the top of a 14 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 4 ft/sec along a straight path. How fast is the tip of her shadow moving when she is 35... more
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12/14/23

The radius of a sphere is increasing at a rate of 5 meters per hour. When the radius is 12 meters, then how fast is the VOLUME changing?
The radius of a sphere is increasing at a rate of 5 meters per hour. When the radius is 12 meters, then how fast is the VOLUME changing?Note: Volume of a sphere = (4/3) ⋅ π ⋅ (radius)3The rate of... more
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12/14/23

A circle is inside a square. The radius of a circle is increasing at a rate of 4 meters per day and the sides of the square are increasing at a rate of 3 meters per day.
A circle is inside a square.The radius of a circle is increasing at a rate of4 meters per day and the sides of the squareare increasing at a rate of 3 meters per day.When the radius is 3 meters,and... more
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Math Calculus

12/14/23

Suppose you want to find sqrt(49.08). The line tangent to the graph of y= sqrt(x) at x=49 will have equation y =  
Suppose you want to find sqrt(49.08)The line tangent to the graph of y= sqrt(x) at x=49 will have equation y =  This meanssqrt(x) ≈  _____Consequently sqrt(49.08) ≈  
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Math Calculus

12/14/23

Find the area under the curve f(x)=x3 on x=[1.5,4.5] using the Midpoint Rule with n=7
Find the area under the curve f(x)=x3 on x=[1.5,4.5] using the Midpoint Rule with n=7  
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