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Posts by keisha

Total # Posts: 328

Math
A ring has an outsdie diameter of 3.85cm and an inside diameter of 2.63cm.Calculate its area?

Math
Is this right sue?? the radii is 35mm so the circumference = 22.0 mm

math
How do i find the circumference of a circle whose radii is 3.5mm??

social studies
what feature makes up much of the U.S border with Mexico

4th grade
great lakes

4th grade
Lake of The Woods IS that it

4th grade
what feature makes up part of U.S border with Canada?

Math
If a triangle has sides 4cm,7cm and 9cm long, what is its area? (no answers pls want the working)

Math (is this right bobpursley)
147.5/1000= 0.1475 86.5/1000= 0.0865 Therefore 0.1475 x 0.0865 =0.0128m^2

Math
A sheet metal plate has the length of 147.5 mm and a width of 86.5 mm. Find its area in m^2.

Math (for PsyDag)
This is the example i was given: The oranges in a box have a mass of 4680 gm.If the average mass of an orange is 97.5gm, find the number of oranges in the box. Total mass = average mass of an orange x number of oranges in the box. Therefore the number of oranges in the box= ...

Math (for PsyDag)
No sorry but that doesnt help, i tired using the formulae but i cant seem to get the correct ans, can you elaborate more please?

Math (dont want the ans just the working)
4kg of apples costing 80 cents per kg are mixed with 8 kg costing 56 cents per kg.What is the average price per kg?

(math ) for mathmate
Can you show me how to just work for the 1st one and i will try and take it from there?

math
Four friends contributed money in the ratio 2:4:5:7.If the largest amount contributed was $1.40, calculate the total amount contributed by all four people?

MATH
I AM HAVING A PROBLEM WITH MIXED FRACTIONS

Biology
This is an mRNA sequence for the name of a protein found throughout your body: 5' C U A C C U C A G A U U C G C C U A C C U 3' What is the DNA sequence that encodes for the word for this protein? Be sure to note the 5' and 3' ends.

Algebra
3x - 2y = 6 , 2x + 3= 6 are perpendicular lines but i need 3 ordered pairs for each. I used the m= y2-y1/x2-x1 method to establish that the slopes = -1. Any suggestions for ordered pairs for each line is much appreciated.

Math
Tell whether the lines are "parallel", "perpendicular", or "neither." I say its neither based on the graph I drew up? Any feed back is welcome! Thanks! 3x - 2y = 6 2x + 3y = 6

Human Resourses
Post a line item budget showing all associated cost implementing the training program 60%vocational and 40%basic. Combine a functional and program to calculate all cost per enrolled student.

Human Resourses
one year

Human Resourses
Yes that is correct but I had to stay within my means.

Human Resourses
The department of education has awarded an agency a grant for 1.6 million to provide training,programming for school drop outs. Prepare a budget matrix to help award the agency. The matrix budget consists of line-item and functional program budget. Create a line-item budget ...

Human Resources
How to develope a tables,charts,and graphs that will display data needed for reports.

Human Resources
Describe the function and importance of the four external and six internal consideration for developing an intergrated information management system for a human service organization

HealthCare Administration
What are the benefits of deinstitutionalization?

cjs200
How do you feel power should be distributed between state and federal systems?

math
In order to monitor the quality of a production process, samples of size five are selected daily. Thee random variable of interest is the number of defectives in the five items selected. What values are possible for this random variable? Solutions

math
how to analyze data on a line plot

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 ...

Math
y is the vertex not (-1,-2)?

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

puzzle
please help me to unscramble - agklbrea

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 ...

math
how do i simplify (3a-1)^2??

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

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

government
What is the name for the combined houses of the Missouri legislature?

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)

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

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)

Algerbra
What is f(x)=x-5)+3

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...

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...

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...

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 ...

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 ...

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...

Math
Is this correct? 5x-3/6-x+3/6 4x-6/6 2x-3/3

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.

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 ...

math
thanks

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.

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?

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. ...

math
is the answer 16 in by 10 in?

math
what do you have to multiply?

math
is the answer 4 ft by 2.5 ft?

math
Does 1 ft equals 1.5 in?

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?

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?

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?

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?

math
it has angles 1 through 8 and has two parallel lines labeled from 1 through 8.

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...

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?

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?

math
is it right?

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 ...

math
Is it c. 17 by 17?

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 ...

math
Since reflection means flipping a figure, x can be flipped over as -x and y will stay as y.

math
is it b?

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?

math
why are no one answering?

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?

math
Actually, the scale is 4 in=6 ft. What to do then?

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?

math
No one's answering.

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?

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?

math
Does $7.80/hour equals 13 cents/minute?

math
is 8.8 right?

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?

math
No one's answering.

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?

math
hello, is there any math expets that are online now?

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?

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?

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

math
Is the proportion 12/4=x/8?

math
So the proportion is 12/4=x/8?

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?

math
Are corresponding angles in similar triangles are always congruent? I think it's always congruent but I'm not sure. Am I right?

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?

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...

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?

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 ...

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.

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?

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