11h

What is the measure of a central angle in a circle that has a radius of 12.5 cm and an arc length of 5 cm?

A) 286.6 radians B) 0.022 radiansC) 3.125 radiansD) 0.4 radian

11h

Suppose an item cost $40. What is the total amount you would pay if there is a 6% tax?

I need the answer and the work so I can help my kid

computer science

Write a program that will read names, ids, dept names, and cgpa of some students from a file and will show the results. Consider that the name of the file is ‘input.csv’. It is just a text file... more

computer science

Define a structure named Gamer which will have the following elements: Number_of_ favorite_games (int), List_of_favorite_games (2D string). Now declare a structure array of Gamer for 5 gamers and... more

limiting reactions

2.   How many moles of sodium sulfate are formed when 13.2 moles of sulfuric acid reacts with 30.6 moles of sodium hydroxide? Which reactant is limiting? How many moles of the excess reactant will... more

Which of these random variables has a hypergeometric distribution?

a) the number of 0s produced by a random-number generatorb) the number of defective products in a random sample of 20 taken from a production line that has a 3% defect ratec) the number of attempts... more

Definite integral

1. The definite integral can be equal? A. Cos 2 B. Sin3x c. X +c

Determine the mass of Cu(No3)2 if 5.00 grams of copper react with silver nitrate.

Cu(s)+2AgNO3(aq)→Cu(NO3)2(aq)+2Ag(s)

12h

What is the length of the longer leg of a 30 60 90 triangle with a hypotenuse of length 24 square root of 3

What is the length of the longer leg of a 30 60 90 triangle with a hypotenuse of length 24 square root of 3

computer science

Write a function to sort the patients’ information based on their status.

13h

need help with geometry test

The perimeter of ΔPQR is 48, PQ = 18, ΔPQR ∼ΔSTU, and ST = 24. What is the perimeter of ΔSTU?my answer was : 64

13h

test review help

Pentagon PENTA has coordinates P(0,0), E (4,4), N (8,4), T ( 8,-4), and A (4,-4) and is dilated at the origin with a scale factor of . Select all that are coordinates... more

The Gateway Arch in St. Louis, MO, is 630 feet high and 630 feet wide at ground level and can be modeled with the equation of a parabola.

a) Find the equation that provides a model for the Gateway Arch.b) If a banner is to be hung across the arch at a height of 100 feet, how long will thebanner have to be?c) How high is the arch 75... more

13h

high school senior year project

We're putting together a project that combines two subjects: math and business, and we'd like to have a math problem. The use of derivative functions is needed. Would you be able to assist us with... more

13h

When the equation f(x)=sinx is changed to g(x)=3+4sinx, what impact does this have on the graph?

Describe the key features that change (amplitude, period, or midline).Select ALL answer(s) that apply.Choices: The midline changes from y = 1 to y = 4  The amplitude changes from 1 to 4 The... more

13h

domain and range

domain and range of y=-2x2-5x+7

13h

a dozen apples cost $2.9, at this rate how much does 4 apples cost

a dozen apples cost $2.9, at this rate how much does 4 apples cost

13h

J.R. is this correct?

Calculate the value of the standard molar entropy S°, for B2 (g) at 25°CSubstance: AB (g) Standard Molar Entropy, S° (J/Kmol): 217.9substance: AB2 (g) Standard Molar Entropy, S° (J/Kmol): 238.1is... more

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