Homework

Homework Questions? Ask a Tutor for Answers ASAP

Connect one-on-one with {0} who will answer your question

and the resistance is 25...

1. Find the current in a circuit if the power is 500 W (watts) and the resistance is 25 ohms. Round off your answer to two decimal places. Use the formula I = √p/r.

A. 0.05 A B. 0.22 A C. 20 A D. 4.47 A

2. The expression b/c = b/c is an example of a(n)

A. identity.

B. square root. C. root.

D. reciprocal.

3. The distance h a body will move in a free fall is expressed by the formula h = 1/2 gt 2. If g = 980 cm per

sec per sec and t = 20 sec, the distance h is A. 49,000 cm.

B. 196,000 cm.

C. 9,800 cm.

D. 368,000 cm.

4. Find the value of x in the following equation:

x/2 + 2x/5 = 18 A. x = 255/7

B. x = 2 C. x = 11/2

D. x = 20

5. Which one of the following formulas correctly expresses this statement: The number x is equal to

another number n plus the square root of 3.

A.x =√n+3

￼￼￼￼￼￼￼

￼B. x = n + 32

C. x = n + √3 D. x = 3n2

6. Find the area of a triangle with a base of 10 in. and an altitude of 14 in. (The formula for the area of a triangle is A = bh ÷ 2.)

A. 70 sq in. B. 140 sq in. C. 24 sq in. D. 280 sq in.

7. The formula for perimeter is p = 2 l + 2 w. If the perimeter p of a rectangle is 200 mm (millimeters) and the width w = 30 mm, what is l?

A. 140 mm B. 60 mm C. 70 mm D. 100 mm

8. What is the reciprocal of the number 2?

A. √2 B. 2/1 C. 22 D. 1/2

9. If the area of a square is represented by the formula A = s2, and the area A = 64 sq cm (square centimeters), what is the side s of the square?

A. 8 cm B. 16 cm C. 4 cm D. 32 cm

10. If the area A of a triangle is 60 sq m (square meters) and the base b is 20 m (meters), what is the altitude h?

A. 3 m B. 6 m

C. 11/2 m D. 2/3 m

11. Solve the following equation for y. √2y + 3 = 11

A. y = 64

￼￼￼￼

￼B. y = 16 C. y = 32 D. y = 4

12. Which one of the following formulas correctly expresses this statement: A quantity x is equal to the sum of the squares of a and b?

A.x =2a+2b

B. x = √ab

C. x = √a + b D. x = a2 + b2

13. In the equation c2 – 4 = 0, c is equal to A. ±4.

B. ±2.

C. 16.

D. 8.

14. The formula for finding the volume of a pyramid is v = bh/3. What formula should you use to find the

altitude h? A. h = 3v/b B. h = v/3b C. h = 3b/v D. h = 3bv

15. Which of the following is a correct statement about the root of an equation? A. The root of an equation is the letter that occurs most frequently.

B. The root of an equation is the solution of the equation.

C. The root of an equation is the reciprocal of the unknown quantity.

D. The root of an equation is a term that's been moved to the opposite side.

16. Simply put, an equation shows A. the value of an unknown quantity.

B. a rule for finding an unknown quantity. C. a method for finding the value x.

D. that one thing is equal to another.

17. Solve the following equation for y: 2 + √4y – 3 = 11 A. y = 18

B. y = 3

C. y = 36

D. y = 6

￼￼￼￼￼￼

18. Find the value of y in the formula y = 5a – 3b + c, if a = 12, b = 4, and c = 8. A. 80

B. 40

C. 56

D. 64

19. Suppose you're given the formula R = s +2t. If you know that s is three times greater than t, how could

you rewrite the formula? A. R = 3(s + 2t)

B. R = 5s

C. R = 5t

D. R = 3(s + t)

20. The expression a = 3b2 + 2 can be written in words as the quantity a is equal to A. three times the square root of b plus two.

B. two more than three times the quantity b squared.

C. two plus the square root of three × b.

D. three times the quantity two plus b squared.

A. 0.05 A B. 0.22 A C. 20 A D. 4.47 A

2. The expression b/c = b/c is an example of a(n)

A. identity.

B. square root. C. root.

D. reciprocal.

3. The distance h a body will move in a free fall is expressed by the formula h = 1/2 gt 2. If g = 980 cm per

sec per sec and t = 20 sec, the distance h is A. 49,000 cm.

B. 196,000 cm.

C. 9,800 cm.

D. 368,000 cm.

4. Find the value of x in the following equation:

x/2 + 2x/5 = 18 A. x = 255/7

B. x = 2 C. x = 11/2

D. x = 20

5. Which one of the following formulas correctly expresses this statement: The number x is equal to

another number n plus the square root of 3.

A.x =√n+3

￼￼￼￼￼￼￼

￼B. x = n + 32

C. x = n + √3 D. x = 3n2

6. Find the area of a triangle with a base of 10 in. and an altitude of 14 in. (The formula for the area of a triangle is A = bh ÷ 2.)

A. 70 sq in. B. 140 sq in. C. 24 sq in. D. 280 sq in.

7. The formula for perimeter is p = 2 l + 2 w. If the perimeter p of a rectangle is 200 mm (millimeters) and the width w = 30 mm, what is l?

A. 140 mm B. 60 mm C. 70 mm D. 100 mm

8. What is the reciprocal of the number 2?

A. √2 B. 2/1 C. 22 D. 1/2

9. If the area of a square is represented by the formula A = s2, and the area A = 64 sq cm (square centimeters), what is the side s of the square?

A. 8 cm B. 16 cm C. 4 cm D. 32 cm

10. If the area A of a triangle is 60 sq m (square meters) and the base b is 20 m (meters), what is the altitude h?

A. 3 m B. 6 m

C. 11/2 m D. 2/3 m

11. Solve the following equation for y. √2y + 3 = 11

A. y = 64

￼￼￼￼

￼B. y = 16 C. y = 32 D. y = 4

12. Which one of the following formulas correctly expresses this statement: A quantity x is equal to the sum of the squares of a and b?

A.x =2a+2b

B. x = √ab

C. x = √a + b D. x = a2 + b2

13. In the equation c2 – 4 = 0, c is equal to A. ±4.

B. ±2.

C. 16.

D. 8.

14. The formula for finding the volume of a pyramid is v = bh/3. What formula should you use to find the

altitude h? A. h = 3v/b B. h = v/3b C. h = 3b/v D. h = 3bv

15. Which of the following is a correct statement about the root of an equation? A. The root of an equation is the letter that occurs most frequently.

B. The root of an equation is the solution of the equation.

C. The root of an equation is the reciprocal of the unknown quantity.

D. The root of an equation is a term that's been moved to the opposite side.

16. Simply put, an equation shows A. the value of an unknown quantity.

B. a rule for finding an unknown quantity. C. a method for finding the value x.

D. that one thing is equal to another.

17. Solve the following equation for y: 2 + √4y – 3 = 11 A. y = 18

B. y = 3

C. y = 36

D. y = 6

￼￼￼￼￼￼

18. Find the value of y in the formula y = 5a – 3b + c, if a = 12, b = 4, and c = 8. A. 80

B. 40

C. 56

D. 64

19. Suppose you're given the formula R = s +2t. If you know that s is three times greater than t, how could

you rewrite the formula? A. R = 3(s + 2t)

B. R = 5s

C. R = 5t

D. R = 3(s + t)

20. The expression a = 3b2 + 2 can be written in words as the quantity a is equal to A. three times the square root of b plus two.

B. two more than three times the quantity b squared.

C. two plus the square root of three × b.

D. three times the quantity two plus b squared.

Show More

Show Less

Was this answer helpful?

Describe your issueThe assistant will guide you

Chat 1:1 with a tutorLicensed Experts are available 24/7

100% satisfaction guaranteeGet all the answers you need

Related Homework Questions

1. The formula for perimeter is p = 2 l + 2 w. If the perimeter

1. The formula for perimeter is p = 2 l + 2 w. If the perimeter p of a rectangle is 200 mm (millimeters) and the width w = 30 mm, what is l? A. 100 mm B. 140 mm C. 60 mm D. 70 mm 2. Find the value of … read more

The surface are of a sphere is directly proportional to the

The surface are of a sphere is directly proportional to the square of its radius. A sphere of radius 10cm must be increased to a radius of xcm if its surface are is to be doubled. Find x. The mass of … read more

For Ashok Kumar Need before midnight 1. faxctor the expression 3x^2+21x 2.

For Ashok Kumar Need before midnight 1. faxctor the expression 3x^2+21x 2. factor x(x+4)-6(x+4) 3. factor the fourterm polynomial by grouping x^3+5x^2+4x+20 4. The height of a golf ball in feet after … read more

OK, I AM GOING TO TRY TO EXPLAIN THIS CIRCLE. #32-34 I

OK, I AM GOING TO TRY TO EXPLAIN THIS CIRCLE. #32-34 I have a circle, picture a X down the middle, on the botton half of the x on the right side there is another angle, the bottom peice, the extra leg… read more

ask Ashok Kumar #57on a right cylinder. If r 4 yds and

ask Ashok Kumar #57on a right cylinder. If r=4 yds and h=5 yrds, find the surface area 41 sq rt 48 sq rt 72 sq rt 80 sq rt #67. on a right circular cone. find the volume of a sphere with the radius of… read more

pennfoster technical mathematics 1 proctored final exam1.

pennfoster technical mathematics 1 proctored final exam *^2 means squared* 1. remove all grouping symbols and combine like terms in the following expression: 5[5a-a(3x+5)+x(a+2x)]-10x^2 2.find the val… read more

Penn Foster exam answers 05051200. Show work if possible.

Penn Foster exam answers 05051100. Must show work. Polynomials and Polynomial Functions 1. Find the value of the expression 2xy - x2y when x = 2 and y = 3. A. 24 B. 6 C. 0 D. -24 2. Completely factor … read more

This Discussion tests our ability to use a ruler and convert

This Discussion tests our ability to use a ruler and convert from Standard English measure to Metrics. Students will then apply their knowledge of the geometric measurements of area and volume through… read more

The shot put is a popular track and field event. If a mans

The shot put is a popular track and field event. If a man's shot put has a mass of 16.0 pounds and has a density of 8.00 g/cm cubed, what is the diameter of the shotput in millimeters, assuming it is … read more

A). Solve by completing the square. x2 + 6x 27 0 ...

A). Solve by completing the square. x2 + 6x – 27 = 0 B). Solve by using the quadratic formula. x2 + 4x + 3 = 0 C). Solve. x2 + 2x – 24 = 0 D) Is the following trinomial a perfect square? x2 + 18x + 81… read more

1. Find the area of a triangle with a base of 10 in. and an

Hello, welcome back. 1. B 2. D 3. D 4. C 5. C 6. A 7. B 8. D 9. B 10. C 11. C 12. B 13. C 14. A 15. A 16. A 17. C 18. B 19. B 20. C 21. C 22. C 23. C 24. D 25. D… read more

1)Given a cube with a diagonal of 8 square root of 2 ...

1)Given a cube with a diagonal of 8 square root of 2 inches, find the Volume and surface area. 2) Can these represent a right triangle and explain why or why not..... 9m, 40 m, and 41 m? b) 5 cm, 7 cm… read more

1. If a cable insulation is described as RHW, you would be ...

1. If a cable insulation is described as RHW, you would be able to use the cable for what maximum temperature? A. 86°F C. 167°F B. 140°F D. 194°F 2. Ampacity, or the maximum flow of electricity for a … read more

1. Find the area of a triangle with a base of 10 in. and an ...

1. Find the area of a triangle with a base of 10 in. and an altitude of 14 in. A. 24 sq. in. B. 70 sq. in. C. 140 sq. in. D. 280 sq. in. 2. Suppose you're given the formula R = s + 2t. If you know tha… read more

rewrite each equation in the standard form for the equation ...

rewrite each equation in the standard form for the equation of a circle and identify its center and radius. x^2 + y^2 = 8y + 10x - 32… read more

14 b) Use the Empirical Rule to find what 2 values 95% of ...

14 b) Use the Empirical Rule to find what 2 values 95% of the data will fall between for a data set with mean 234 and standard deviation of 12. 15. Find P25(the 25 is smaller than the P) for the follo… read more

For Scott - Math for Technical Students. I have sent ...

For Scott - Math for Technical Students. I have sent "Questions 2" to the just answer email address. Use the same diagrams as for Questions 1. Thank you.… read more

1. Find (a) the directrix, (b) the focus and (c) the roots ...

1. Find (a) the directrix, (b) the focus and (c) the roots of the parabola y = x squared - 5x + 4. 2. (a) Graph x squared/16 - y squared/25 = 1 Show how you arrived at your graph by determining the (b… read more

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.

JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.

Web sites like justanswer.com/legal

...leave nothing to chance.

...leave nothing to chance.

Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.

Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.

I will tell you that...the things you have to go through to be an Expert are quite rigorous.

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

Los Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

Hesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

Kernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

Woodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

Elkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

Dallas, TX

< Previous | Next >

LogicPro

Engineer

14,482 satisfied customers

Expert in Python,Java C++ C C# VB Javascript Design SQL HTML

Manal Elkhoshkhany

Tutor

4,720 satisfied customers

More than 5000 online tutoring sessions.

Linda_us

Finance, Accounts & Homework Tutor

3,138 satisfied customers

Post Graduate Diploma in Management (MBA)

Chris M.

M.S.W. Social Work

2,850 satisfied customers

Master's Degree, strong math and writing skills, experience in one-on-one tutoring (college English)

F. Naz

Chartered Accountant

2,270 satisfied customers

Experience with chartered accountancy

Bizhelp

CPA

1,887 satisfied customers

Bachelors Degree and CPA with Accounting work experience

Jabi

Tutor

1,795 satisfied customers

I've been an Expert on JustAnswer since July 2010.

< Previous | Next >

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.