All Questions

124

help

A lawn sprinkler is located at the corner of a yard. The sprinkler is set to rotate through 90 degrees and project water out 70 feet. What is the area of the yard watered by the sprinkler? (Round your answer to the nearest whole number.)

Guest Feb 22, 2020

-1

204

+61

solid geometry

A cone is circumscribed by a hemisphere radius of which is equal to the height of the cone. Calculate the ratio of the volume of the cone to the volume of the hemisphere.

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sandwich Feb 22, 2020

154

HELP PLEASE!!

Find the equation whose graph is shown below. Write your answer in standard form. (Standard form is Ax+By = C, where A is positive, and A, B, and C are integers with greatest common divisor 1.)

https://latex.artofproblemsolving.com/b/1/6/b168095059dca2c85f743a9f6830fdc924285384.png read more ..

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Guest Feb 22, 2020

381

+57

Lots of questions

1. A triangle has side lengths of and Let be the area of the circumcircle. Let be the area of the incircle. Compute
2. In triangle and Find the inradius of triangle read more ..

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Divineology Feb 22, 2020

119

please help

The difference of two numbers is 6 and the sum of their squares is 68. Find the numbers.

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Guest Feb 22, 2020

191

help

At a rugby match the ratio of children to adults is 2:3 .There are 80 children in the crowd .How many adults are in the crowd?

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Guest Feb 22, 2020

208

Math

5+x*5=57

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Guest Feb 22, 2020

238

pls help me

Devi and Dave had the same amount of money initially. After Devi donated $258 and Dave donated $196 to charity, Dave had 3 times as much as Devi. How much had Dave in the end?

due today please help. read more ..

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Guest Feb 22, 2020

249

+781

square root equals negative

Hi friends, I have a problem understanding this sum. according to the text book this sum has no solution, I do not understand why, because:

why would this be incorrect?. read more ..

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juriemagic Feb 22, 2020

215

For which of the following situations would a linear function be a reasonable choice for a mathematical model?

For which of the following situations would a linear function be a reasonable choice for a mathematical model? Explain your choices.

The success rate of field-goal kicking as a function of distance from the goal post The number of people read more ..

Guest Feb 22, 2020

236

help

Mauro has 140ft of rope. He will cut it into two pieces so that the length of the longer piece is 3 times the length of the shorter piece. What will the length of the longer piece be ?

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Guest Feb 22, 2020

197

math homework

A census showed that from 1990 to 2000, a country's population increased by 25.325.3%. The country reported its population in 2000 to be 15 comma 922 comma 54315,922,543. What was the country's population in 1990?

off-topic

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Guest Feb 22, 2020

486

help

A chef plans to mix 100% vinegar with Italian dressing. The Italian dressing contains 12% vinegar. The chef wants to make 160 milliliters of a mixture that contains 23% vinegar. How much vinegar and how much Italian dressing should she use?

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Guest Feb 22, 2020

605

+124

Math World Problem #3

Charles lives in a tall apartment building. He looks out his window and spots a car on the road that runs straight toward his building. His angle of depression to the car is 24°.
Charles looks farther down the road and spots a dump truck. He estimates read more ..

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valval2205 Feb 22, 2020

362

+124

Math Problem .

In △CDE , DE=14 , CE=9 , and m∠E=71∘ .
What is the length of CD

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valval2205 Feb 22, 2020

505

+124

Math World Problem #2

Nya selects a tile for her shower that is in the shape of a rhombus. Each side of the rhombus measures 6 inches. The diagonal opposite the smaller angle is 4.6 inches.
What is the measure of the larger angle in the rhombus?

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valval2205 Feb 22, 2020

920

+124

Math World Problem

A guy wire is a cable used to restrain objects from moving. They are used to support towers or poles.
A guy wire is attached to a cell tower. The 60-foot long guy wire is attached to a tower such that the angle formed by the ground and the wire read more ..

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valval2205 Feb 22, 2020

467

+124

Math Help

In △CDE , CD=10 , DE=7 , and m∠E=62∘ .
What is m∠D to the nearest tenth of a degree?
Enter your answer in the box.

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valval2205 Feb 22, 2020

214

help

Ling lives 2 miles from school. It took him 15 minutes to bike from school to home. The first half of the distance he biked at a speed of 12 mph. What was his speed for the remaining distance? What was his average speed?

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Guest Feb 22, 2020

325

please help

Jellybeans cost $0.80 per pound.Howard buys 4.5 pounds of jellybeans for himself and 1 pound for his friend.What is the total cost of the jellybeans Howard buys?

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Guest Feb 22, 2020

259

+360

graph question

please help! thanks

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xxJenny1213xx Feb 22, 2020

292

help

A right prism has a base that is an equilateral triangle. The height of the prism is equal to the height of the base. If the volume of the prism is 81, what are the lengths of the sides of the base?

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Guest Feb 22, 2020

182

please help geo!!! :(

Let be a trapezoid with bases and . Let and and let be a point on the side such that Let be the feet of the altitudes from to respectively. read more ..

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Guest Feb 22, 2020

157

please help

Robert earns $512.75 less than Noel. John earns 3 times Robert's salary. If the total salary earned by them is $47,645.25, how much salary does Robert earn?

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Guest Feb 22, 2020

All Questions ⁺⁰184534 Questions

help

solid geometry

HELP PLEASE!!

Lots of questions

please help

help

Math

pls help me

square root equals negative

For which of the following situations would a linear function be a reasonable choice for a mathematical model?

help

math homework

help

Math World Problem #3

Math Problem .

Math World Problem #2

Math World Problem

Math Help

help

please help

graph question

help

please help geo!!! :(

please help

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