Tuesday

April 21, 2015

April 21, 2015

Total # Posts: 300

**math**

how to analyze data on a line plot
*November 11, 2008*

**Economics**

Economics Production Schedule The owner of a car wash is trying to decide on the number of people to employ based on the following short-run production function: Q = 6L - 0.5L2, with the corresponding marginal product of labor equation, MPL = 6 - L. a. Generate a schedule ...
*November 2, 2008*

**Math**

y is the vertex not (-1,-2)?
*October 14, 2008*

**Math**

Given the function f(x)=2x^2 - 4x What is the orientation, vertex, axis of symmetry equation, and x & y intercepts.
*October 14, 2008*

**puzzle**

please help me to unscramble - agklbrea
*October 8, 2008*

**stats**

Time taken in mins for student to walk to school. 1-5 mins (4 students) 6-10 mins (7 students) 11-15 mins (10 students) 16-20 mins (20 students) 21-25 mins (6 students) 26-30 mins (3 students) 1)Estimate the probability that a student selected at random will take at least 21 ...
*September 26, 2008*

**math**

how do i simplify (3a-1)^2??
*June 20, 2008*

**math (did i do this right)**

find the value of each of the following when a=2,b=-1 and c=3 1)a(b+c)=2(-1+3)=1 2)4b^2-2ac/a+b+c= 4(-1)^2-2(2)(3)/2+-1+3 ans=-8/4=-2
*May 22, 2008*

**maths (sets)**

32 candidates took examinations at centre. 11 took french,9 took spanish and x took both,18 took neither subject 1.Write an expression in x for the number of candidates in the universal set 2.Calculate the value of x
*May 19, 2008*

**government**

What is the name for the combined houses of the Missouri legislature?
*May 8, 2008*

**matrices**

Find the value of "a" if the deteminant of (6 3) (4 a)IS: a)6 b)3 c)0 d)-12 (the matrix is six above and four below,three above and "a" below)
*March 13, 2008*

**maths (matrices)**

find the value of a if the determinant of:(6 3) (4 a)is: a) 6 b) 3 c)0 d)12 And yes "a" is suppose to represent a number
*March 12, 2008*

**maths (matrices)**

Find the value of a in the determinant of {6 3] [4 a] is a)6 b)3 c) 0 d)-12 (have the answers just need to know the working to get it)
*March 12, 2008*

**Algerbra**

What is f(x)=x-5)+3
*March 4, 2008*

**math (urgent help needed)**

Seeds of type A and type B are sold in a packet each must contain a)both type a and type b seeds b)at least twice the number of type b c)as there are type a seeds no more thanm 12 seeds 1)state the minimum number in each packet of type a and type b seeds. 2)if there are x type...
*February 29, 2008*

**math(relation & functions) need help urgently**

Seeds of type A and type B are sold in a packet each must contain a)both type a and type b seeds b)at least twice the number of type b c)as there are type a seeds no more thanm 12 seeds 1)state the minimum number in each packet of type a and type b seeds. 2)if there are x type...
*February 28, 2008*

**relations and fucntions**

Seeds of type A and type B are sold in a packet each must contain a)both type a and type b seeds b)at least twice the number of type b c)as there are type a seeds no more thanm 12 seeds 1)state the minimum number in each packet of type a and type b seeds. 2)if there are x type...
*February 26, 2008*

**mathematics**

seeds of type a and b are sold in packets each containing both type a and b seeds at last twice the number of twice b seeds as there are in type a seeds and no more than 12 seeds a) using a scale of 1cm for each unit on both axis draw a graph n the axis to represent the ...
*February 26, 2008*

**relations and functions**

Seeds of type A and type B are sold ihna packet each packet must contain 1) both type a and type b seeds 2)at least tewice the number of type B seeds s there are of type A 3)no more than 12 seeds a) state the minimum number in each packet of type a and of type B seeds b)if ...
*February 26, 2008*

**mathematics**

seeds of type A and type B are sold in packets, each must contain 1) both type a and type b seeds 2) at least twice the amount of type B as there are type A 3) no more than 12 seeds state the minimum number in each paket of type A and of type B if here are x tye A and y Type B...
*February 25, 2008*

**Math**

Is this correct? 5x-3/6-x+3/6 4x-6/6 2x-3/3
*November 30, 2007*

**Math**

Please help - 9/x-5-1=8/x+5 (x+5)(x-5)9/x-5-1(x+5)(x-5)=(x+5)(x-5)8/x+5 9(x+5)=8(x-5) 9x+45=8x-40 And I'm not sure where to go from here.
*November 30, 2007*

**math**

A tree casts a shadow 10 ft long. A boy standing next to the tree casts a shadow 2.5 ft long. The triangle sjown for the tree and its shadow is similar to the triangle shown for the boy and his shadow. If the boy is 5 ft tall, how tall is the tree? I got 20 ft. I made a ...
*November 24, 2007*

**math**

thanks
*November 24, 2007*

**math**

I made a proportion 92/73=120/100 and I cross multiplied. I divided the cross products and it came up to a demical.
*November 24, 2007*

**math**

Van Gogh's painting Starry Night measures 92 cm long by 73 cm high. You buy a poster that shows an enlargement of the painting. The poster measures 120 cm long by 100 cm high. Is the poster an accurate represenation of the painting? I think the answer is no. Is this right?
*November 24, 2007*

**math**

You are reducing a map of dimensions 2 ft by 3 ft to fit to a piece of paper 8 in by 10 in. What are the dimensions of largest possible map that can fit on the page? I really don't know how to do this but so far I tried to make 2 proportions by changing feet to inches. ...
*November 24, 2007*

**math**

is the answer 16 in by 10 in?
*November 24, 2007*

**math**

what do you have to multiply?
*November 24, 2007*

**math**

is the answer 4 ft by 2.5 ft?
*November 24, 2007*

**math**

Does 1 ft equals 1.5 in?
*November 24, 2007*

**math**

I tried to make a proportion 4/6=x/24 and that's how I got 16. Then I got another proprtion 4/6=x/15 and I got 10. What did I do wrong?
*November 24, 2007*

**math**

You want to produce a scale drawing of your living room, which is 24 ft by 15 ft. If you use a scale of 4 in=6 ft, what will be the dimensions of your scale drawing. I think the dimensions are 16 ft by 10 ft. Is this right?
*November 24, 2007*

**math**

A map of Australia has a scale of 1 cm to 120 km. If the distance between Melbourne and Canberra is 463 km, how far apart are they on the map, to the nearest tenth of a centimeter? I got 3.9 cm. I made a proportion 1/120=x/463 and that's how I got 3.9. Is this right?
*November 24, 2007*

**math**

The vertices of a rectangle are R(-5,-5), S(-1,-5), T(-1,1),and U(-5,1). After translation, R prime is the point (0,-13). Find the translation vector and coordinates of U prime. I got (5,-8) as my tanslatipn vector and (0,-7) as my U prime. Is this right?
*November 24, 2007*

**math**

it has angles 1 through 8 and has two parallel lines labeled from 1 through 8.
*November 23, 2007*

**math**

An airport runway intersections shows 2 parallel runways. A taxiway crosses both runways. If angle 8 measures 119, what is the sum of the measures of angle 1 and 4? a 122 b 238 c 119 d 299 I think the answer is b. Angles 1, 4, 5, and 8 are either alternate or corresponding, so...
*November 23, 2007*

**math**

Your track coach tells you that your team's meeting is canceled. He asks you to call 3 other team members. Each of the members must call 3 other members. How many members, including yourself will be contacted? I got 13. Is this right?
*November 23, 2007*

**math**

Two rectangles are similar. One has a length of 10 cm and a width of 8 cm, and the other has a width of 7 cm. Find the length of the second triangle. Round to the nearest tenth if necessary. I got 8.8 cm. I made a proportion 8/10=7/x and that's how I got 8.8. Is this right?
*November 23, 2007*

**math**

is it right?
*November 23, 2007*

**math**

The diagram of airport runway intersections shows 2 parallel runways. A taxiway crosses both runways. If angle 8 measures 119, what is the sum of the measures of angle 1 and 4? a 122 b 238 c 119 d 299 I think the answer is b. Angles 1,4,5, and 8 are either alternate or ...
*November 23, 2007*

**math**

Is it c. 17 by 17?
*November 23, 2007*

**math**

Marcus has 68 ftof fencing. He wants to build a rectangular pen with the largest possible area. What should the dimensions of the rectangle be? a. 19 ft by 21 ft b. 21 ft by 13 ft c. 17 ft by 17 ft d. 19 ft by 15 ft I got a because I multiplied 19 x 21 and I got 399. Is this ...
*November 23, 2007*

**math**

Since reflection means flipping a figure, x can be flipped over as -x and y will stay as y.
*November 23, 2007*

**math**

is it b?
*November 23, 2007*

**math**

Which rule describes a reflection in the x axis? a (x,y)=(y,x) b (x,y)=(-x,y) c (x,y)=(-x,-y) d (x,y)=(x,-y) Reflection means flipping a figure over. So I made a mistake. I think the answer is c. Is this right?
*November 23, 2007*

**math**

why are no one answering?
*November 23, 2007*

**math**

You are recuding a map of dimensions 2 ft by 3 ft to fit to a piece of paper 8 in by 10 in. What are the dimensions of the largest possible map that can fit on the page? I think the answer is 1.5 ft by 2 ft. Is this right?
*November 23, 2007*

**math**

Actually, the scale is 4 in=6 ft. What to do then?
*November 23, 2007*

**math**

You want to produce a scale drawing of your living room which is 24 ft by 15 ft. IF you use a scale of 4 in+ 6 ft, what will be the dimensions of your scale drawing? I think it's 4 ft by 2.75 ft. Is this right?
*November 23, 2007*

**math**

No one's answering.
*November 23, 2007*

**math**

The vertices of a rectangle are R(-5,-5), S(-1,-5), T(-1,1), and U(-5,1). After translation, R prime is the point (0,-13). Find the translation vector and coordinates of U prime. I got (5,-8) as my translation vector and (0,-7) as U prime. Is this right?
*November 23, 2007*

**math**

The sum of four consecutive odd integers is -72. Write an equation and find the values of the 4 integers. I think that the equation is -x-x-x-(-x+1). So far that's where I'm am. Am I on the right track?
*November 23, 2007*

**math**

Does $7.80/hour equals 13 cents/minute?
*November 23, 2007*

**math**

is 8.8 right?
*November 23, 2007*

**math**

2 rectangles are similar. One has a length of 10 cm and a width of 8 cm and the other has a width of 7 cm. Find the lenfth of the second rectangle. Round to the nearest tenth if necessary. I think the answer is 8.8 cm. Is this right?
*November 23, 2007*

**math**

No one's answering.
*November 23, 2007*

**math**

A diagram of airport runway intersections shows 2 parallel runways. A taxiway crosses both runways. If angle 8 measures 119, wwhat is the sum of the measures of angle 1 and 4? I think that the answer is 238. Is this right?
*November 23, 2007*

**math**

hello, is there any math expets that are online now?
*November 23, 2007*

**math**

Marcus has 68 ft of fencing. He wants to build a rectangular pen with the largest possible area. What should the dimensions of the rectangle be? a. 19 by 21 b. 21 by 13 c. 17 by 17 d. 19 by 15 I got a. Is this right?
*November 23, 2007*

**math**

Which rule describes the transformation that is a reflection in the x- axis? a(x,y)=(y,x) b(x,y)=(-x,y) c(x,y)=(-x,-y) d(x,y)=(x,-y) I think the answer is b. Is this right?
*November 23, 2007*

**math**

I forgot to post the answer choices a 12/8=x/4 b 12/4=x/8 c 12/4=x/20 d 4/12=x/8
*November 23, 2007*

**math**

Is the proportion 12/4=x/8?
*November 23, 2007*

**math**

So the proportion is 12/4=x/8?
*November 23, 2007*

**math**

2 rectangles are similar. Which is a correct proprtion for corresponding sides? For one rectangle, the length is 12 and the width is 4. The other rectangle has 8 as the width and x as the length. I think it's 4/12=x/8. Is this right?
*November 23, 2007*

**math**

Are corresponding angles in similar triangles are always congruent? I think it's always congruent but I'm not sure. Am I right?
*November 23, 2007*

**math**

Find the surface area of the right rectangular prism. The height is 2 in, the length is 10 in, and the width is 4 in. I think the answer is 136. I made a formula, 2(8 + 20 + 40) and I got 136. Is this right?
*November 12, 2007*

**math**

Find the lateral and surface area of the right rectangular prism whose length is 7 cm, width is 5 cm, and height is 1.5 cm. I think the answer is 36 for lateral area and 106 as surface area. I made a formula, 2(7 x 1.5 + 1.5 x 5)) and I got 36. Then I made another formula, 36...
*November 12, 2007*

**math**

Find the lateral and surface area of the right rectangular prism whose length is 7 cm, width is 5 cm, and height is 1.5 cm. I got 36 as my lateral area and 106 as my surface area. Is this right?
*November 11, 2007*

**math**

Find the lateral area of a regular pyramid whose base is a square, whose slant height is 5 m, whose height is 3 m. I think that the answer is 60. I subtracted 3 squared from 5 squared and I got 4. I multipled 4 by 2 and I got 8. I made a formula 3(1/2(8 x 5)) and I got 60 as ...
*November 11, 2007*

**math**

Find the lateral and surface area of the regular square pyramid. Give exact answers. The length is 6 m and the height is 5 m. I need help.
*November 11, 2007*

**math**

Find the lateral and surface area of the right rectangular prism whose length is 7 cm, width is 5 cm, and height is 1.5 cm. I got 36 as my lateral area and 106 as my surface area. Is this right?
*November 11, 2007*

**math**

I think that the answer is 60 . I tried to make a formula, 3(1/2(8 x 5)). I got 8 by subtracting 3 squared from 5 squared and I got 16. I multiplied 4 by 2 and I got 8. I did the formula and I got 60 as my lateral area.
*November 11, 2007*

**math**

Find the lateral area of a regular pyrmid whose base is a sqauare, whose slant height is 5 m, and whose height is 3 m. I need help.
*November 11, 2007*

**math**

Find the surface area of the right triangular prism. Round to the nearest tenth if necessary. The height is 2.5 cm, the length is 8 cm, and the width is 5.3 cm. I need help.
*November 11, 2007*

**math**

Find the lateral and surface area of the regular square pyramid. Give exact answers. I don't understand this. I need help.
*November 11, 2007*

**math**

its a triangular prism.
*November 11, 2007*

**math**

hello, no one din't answer my reply.
*November 11, 2007*

**english**

how to write about my self were do i srate
*October 2, 2007*

**Economics 205**

Hello, I need to choose an industry to study for my economics class. I'll have to write about wheter the industry is elastic or inelastic. Any suggestions? Do you consider politics as an industry? Or education? THose would both be good ones to check out. Or choose an ...
*August 8, 2007*

**Elem. Ed.**

Can you help with this question? Which would be the best answer? I am thinking (1) is the best answer. Am I right? Involving parents in children's health and safety education programs: 1. encourages consistency of information and practices. (or) 2. is conflicting because ...
*April 18, 2007*

**Elem. Ed.**

Can someone please give me input on this question? Complete immunization is usually required of chldren: 1.who will be turning 2 years old. 2.before they can travel across state line. 3.at the time they enroll in childcare programs. This question is confusing because when ...
*April 15, 2007*

**Elem. Ed.**

I asked this question yeasterday, and was told that I was correct in thinking the most appropriate word to fill in the blank,was the word "expressive." Would someone please make sure that the word "expressive" would be the most appropriate word to use? ...
*April 14, 2007*

**Elem. Ed.**

Can you please help? The teacher is concerned about Tom. He often appears easily frustrated, quick to anger,agressive towards other children,and in constant motion. His teacher should suspect: 1 problem of attention and hyperactivity 2. behavior problem Shouldn't she ...
*April 14, 2007*

**Elem. Ed.**

Can you help me to fill in the blank to this sentence? Molly is an older 4-year-old and her teacher is concerned about her _________ speech development because she is difficult to understand and this has not changed in the last year. 1. receptive 2. expressive 3. rate of ...
*April 13, 2007*

**Elem. Ed.**

I posted this question yesterday,and am still confused. Can someone please help? Which is one of the best ways teachers can help chldren deal with stress: 1.Applying proper behavior management techniques. (or) 2. Providing soothing and relaxing hands-on activities. My textbook...
*April 12, 2007*

**Elem.Ed.**

Which would be one of the best ways that a teacher can help a student deal with stress? A. Applying proper management techniques. B. Counseling children and families on the effects of stress. C. Providing soothing and relaxing hands-on activities. I do not know if the correct ...
*April 11, 2007*

**Elem. Ed.**

Portfolios are a collaborative effort in that: A. children,teachers,and specialists can all choose samples to include in a portfolio. B. each item in the porfolio should be discussed with parents before it is included. C. teachers must have input from other teachers in the ...
*April 10, 2007*

**Elem. Ed. Another Question**

I need help with these questions to make sure I am right. If the art center is orderly and organized, children: 1.should be free to mess up the materials and use them with abandon. 2.are inhibited because the materials are too organized. 3. can find what they need and use ...
*April 10, 2007*

**Elem. Ed.**

The term "curriculum" can mean an academic area of study or: 1. a federal guideline 2. a holistic subject 3. the total program 4. a separate model Can't "curriculum" mean the total program? Generally, it means an integrated program of study. That can be...
*April 9, 2007*

**Elem. ED.**

Art and math are being integrated when students: 1. draw more than 1 picture on a page. 2. use rectangular paint pots. 3. identify geometric shapes when composing a picture. 4. insist on using the same materials as their peers. Is the 3rd answer correct? "identifying ...
*April 9, 2007*

**Elem. Ed.**

A child is waving a wet paint brush in the air, the teacher should: 1. tolerate the behavior as an expression of childhood exuberance. 2. remind the child of the rules in the art center. 3. use this situation as an opportunity to teach splatter painting. 4. consider this ...
*April 9, 2007*

**Early Childhood Ed.**

When a teacher shows children how to do a sponge painting with geometric shapes and then shows pictures of geometric shapes during group time,the teacher is probably using art to: A. create seat work B. discourage child-directed activities C. teach each ativity separately D. ...
*April 8, 2007*

**Elem. Ed.**

Which would be a way for a teacher to help students learn about aesthetics in an appropriate way? 1. creating a sensory-rich enviroment (or) 2. exposing children to convegent ideas creating a sensory rich enviroment would be the best appropriate way. Am I correct? Conventional...
*April 8, 2007*

**Elementary Education**

Which would be a good activity to develop a child's aesthetic awarness? a field trip to an arboretum or a field trip to a factory Wouldn't it be a field trip to an arboretum to see all the woody plants for scientific and educational purposes? I suspect this question ...
*April 8, 2007*

**Cultural Diversity**

Consider racial imbalances in education, the economy, family life, housing, criminal justice, health care, and politics. Of these societal challenges facing modern African Americans, which do you think are most difficult to overcome, and why? .Suggust some ideas for solutions ...
*March 12, 2007*

**religion**

How does Fr.Giussani defines reason? Thank you for using the Jiskha Homework Help Forum. Here are some sites to help you: http://www.clonline.org/storiatext/eng/biography.htm http://www.traces-cl.com/2006E/09/reasonis.html http://en.wikipedia.org/wiki/Luigi_Giussani
*January 6, 2007*

**geometric mean**

need the geometric mean for 4 and 6
*November 5, 2006*

**Biology**

For each of the folliwng groups of animals (marine invertebrates, marine vertebrates, fresh-water animals & land animals) describe osmosregulatory probkems they face and how they cope with them? I think what you need can be found at the following 3 sites: http://en.wikipedia....
*October 29, 2006*

**english**

in the book Beowulf what are "the rings" whick are spoken of in the prologue I may be missing something here. The only rings I remember in the prologue is the "Breaker-of-rings"...an important person, or chiefian, whose job it is to break off parts of gold ...
*August 28, 2005*