# Math(Please help)

184,813 results, page 92

### Physical Science

In which of these processes is an element of matter changes into a completely different element.....nuclear fusion, nuclear fission, neither, or both? Please note that we don't do students' homework for them. Once YOU have attempted to come up with a response to each of YOUR ...

### AED 200

Identify the roles district, state, and federal government agencies have in your local schools. Which agency do you feel has the most significant influence in making policy and curriculum decisions at the local level? Why? Please help. I can not find any websites that have ...

### Algebra (Graphing Functions)

Consider the following function. f(x) = −3x if x < −2 x2 if −2 ≤ x < 2 −3 if x ≥ 2 Please help me find the intervals on which f is increasing, is decreasing, or is constant(in interval notation). As well as the x and y intercepts for ...

### Science

Please complete the formula and process in arriving the answer. Please. Thank you. Nathaniel is driving his sports car down a four lane highway at 40m/s. He comes up behind a slow moving dumptruck and decides to pass it in the left hand lane. If Nathaniel can accelerate at 5m/...

### HTT / 230 please help

i need help i can not understand this Question i don't know where to find the answer i have been looking for hours please some one help me ! Question is my is in hospitality finances class Explain why depreciation expense should be added back when compiling the statement of ...

### science

Please help me with these questions I have looked all threw my book but i cant find them. 7. Why are we not sure about the interior of the earth? Do we know for sure why? 12. Some volcanoes are more explosive than others? What makes this diffrence in explosivity occur? 14.What...

### Calculus

Please help me with the following 2 questions. 1. Find the area of the curved surface of a right-circular cone of radius 6 and height 4 by rotating the straight line segment from (0,0) to (6,4) about the y-axis. 2. Use the Maclaurin polynomial of degree 4 to approximate sin(0....

### CALCULUS PLEASE HELP!!!

SHOW WORK PLEASE!!! The displacement (in centimeters) of a particle moving back and forth along a straight line is given by the equation of motion s = 2 sin πt + 3 cos πt, where t is measured in seconds. (Round your answers to two decimal places.) (a) Find the ...

### Science please help thx

Convection cells are created by very hot material deep in the mantle rising, then cooling, sinking again and repeating the cycle. This process occurs because of the uneven distribution of ? Within the earth? Please fill in the question mark with a answer. a. Crystal plates B. ...

### history

was the anti-immigrant hysteria following world war one simply a continuation of this feeling or was it more a reaction to the wave of immigrants that entered the us in the late nineteenth century---im writing a paper on this, please help A continuation of what feeling? Please...

### ap history

please help with this DBQ to what extent it is justified to characterize the industrial leaders of the 1865-1900 era as either robber barons or industrial states-man? ive looked at the internet but not much about industrial statesman. what do you think? PLEASE HELP!!! THANK ...

### Math (Help me please*)

Instructions says to: Write words to match each expression. 1.) 14+9 I wrote the following words: Tom had fourteen scans from Chaors Palace. Kelly gave him nine more. How many does Sam have now? Answer = 23 2.)has: triangle +(8-4) Cannot type triangle. I wrote the following ...

### Math

How would you solve for A 5 x 3^(x+2)= A x 3^(x) Please help me, I have loads of problems like this on my homework assignment and I just can't seem to figure it out Well, we could divide both sides by 3^x couldn't we? We know it's never 0, so there's no division by 0 to worry ...

### algebra

Can someone please help me with this math problem? Thanks. Let g(x)=x^2-5 and h(x)=3x+2. Perform the function operation. -2g(x)+h(x) That would be -2x^2 +10 + 3x +2 = -2x^2 + 3x +12. oh, thanks! I understand. I have another problem I'm unsure of. g(x)*h(x) I got 9x^2+12x-1 as ...

### Math

2x(5*2-3) > x(3-5)-2(x-1) the answer I have got is x > 2/18. Can someone please tell me if this is the correct answer? 2x(10-3) > -2x - 2x + 2 20x - 6x > -4x + 2 18x > 2 x > 2/18 correct! sorry! simplify x > 1/9 Thanks i thought it was right b/c i tried to...

### math

can someone please help me solve this problem. A store owner buys supplies from a vendor for $8,450. The term of sale are 2/10, n/30. What will be net amount due if the owner pays the bill by the 10th day after he receives the supplies>

### Math (Algebra/Pre-Algebra)

Ms. Caswell deposits $450 into an account earning 8% interest per year. How much simple interest is earned after 4 years? Please explain.. I'm supposed to show work =] thank you!

### math please help i don't understand this at all

a cylinder is formed by first tapping together the opposite edges of a rectangular piece of paper that is 11 inches long and 8.5 inches wide. if the height of the completed cylinder 8.5 what is its volume?use 3.14 for pie

### Math

Could someone please explain this problem to me? I will show you what I have so far. Perform the indicated operations and simplify. w-2/w-7-w+1/w+7+w-77/w^2-49 I made it to this step and now I can't figure out what to do next. w^2+w-14/(w+7)(w-7) + w^2-6w-7/(w+7)(w-7) + w-77/(...

### math

a overhead gantry crane that is equiped whith a crane and hook block and reeved with 6 parts of line is lifting 12 tons what is the load on the haul line A.2000lbs B.6000lbs C.8000lbs D.4000lbs please show the formula

### Math

I need SUPER help! A famer has to buy 100 animals, but can only spend exactly $5.00. He has to buy at least on of each animal a chcken for 0.01$, a cow for 0.10$ and a horse for 0.50$!!!! PLease HElp IT means so much I need it by Midnight tonight or else i don't pass my clas :(

### math

Use the five steps for problem solving to answer the following question. Please show all of your work. The volume of a rectangular box is limited to 1100 cu. in. If the height is 8 inches and the width is 10 inches how long can the box be?

### Math

Please explain how this is set up and how to work it. thanks A rectangular box is 4cm wide, 4cm tall, and 10cm long. What is the diameter of the smallest circular opening through which the box will fit? Round to the nearest tenth of a centimeter.

### MATH 6th

1. Is there a website that can show me how to divide decimals by10-1000? 2. Divide decimals by whole numbers? 3. Patterns with tenths, hundredths and thousandths? PLEASE HELPL ME - THANK YOU IN ADVANCE. JUST SOME SAMLES OF ALL THE ABOVE

### Pharmacy math

How much dil HCL (10% w/w) HCL specific gravity = 1.045 would be required to prepare 2000ml of a solution containing 0.005 molar HCL? HCL m.w.t = 36.5 Who try to solve for me. Please help The right answer is 34.9ml

### Math

Pages in a book are numbered in typical fashion, starting with 1. The folio for page 10 will contain the tenth and eleventh digits necessary to paginate the book. On what page will the 2009th digit occur? Please Help!!! I have no idea where to begin

### Math

Pages in a book are numbered in typical fashion, starting with 1. The folio for page 10 will contain the tenth and eleventh digits necessary to paginate the book. On what page will the 2009th digit occur? Please Help!!! I have no idea where to begin

### math exam tommrow review

an amusment park recorded attendence of 825000 one year. the next year attendance was 975000. what was the percent increase in attendence. please show work/walk through process.

### math

Kate bought a new car priced at $21,300 with 15% down and the balance in equal payments over 4 years at 7% compounded monthly. Determine the size of the monthly payments? The answer is $433.65 please show me the steps

### Math-Urgent help please.

Two cards are selected, without replacing the first card, from a standard deck. Find the probability of selecting an ace (A), and then selecting a 4 (B): (choose 2) 0.603% 0.592 0.592% They are dependent events. 0.00592

### Math

A taxpayer is in the 28 percent tax bracket and invests it in a San Diego City Bond paying 7 percent. What taxable interest rate will provide the after-tax return? I don't understand the formula, so can you show me how it's calculated,please.

### Bus. Math Need Help

I don't even understand this question...can someone please point me in the right direction: Use the following information to answer the question: Cost of car: $26,000 Residual value: $6,000 Life: 5 years

### Math(Quadratic Functions)

Determine the quadratic function, f(x), with x intercepts at x=7 and x=-2 and y intercept at y=5. I have been struggling with this question for days. I have phoned my teacher and gotten her help, but I still can't figure it out. If someone could please help me with this, that ...

### Math

I sent this in a little while back but the file got corrupted and I have to re do it and I forgot the answer please if it is not done today I fail the year. Simplify the polynomial 16x^2 + 2 + 2x - 15x^2 - 1 + 14x A:31x^2 + 16x + 1*** B:x^2 - 12x + 1 C:x^2 + 16x + 1 D:x^2 + ...

### Math (Semicircle)(Pre-calc)

goo.gl/photos/e6Ks3v4Qqj177Nun6 The graph below is made from two semicircles. The domain of the function in the graph is [−8,8] [-8,8] . Find a piecewise formula for the function f(x) f(x). Help please, I already on my last attempt and any help is greatly appreciated!

### Math

if you were to sketch a cirlce graph for the data shown in the table below, what fraction of the circle would represent food? Expense Activities= $600 Food= $450 Souvenirs= %270 Show answer in fraction please!

### math please help me out fam

As a computer programmer, you have to define the movements of a battleship across a virtual grid. Will you program the transformation from the original position (Figure I) to the final position (Figure II) as a translation, reflection, or rotation?

### Math

Can someone please clarify this for me? Create two different situations: one in which you use combinations and one in which you use permutations. Include specific details and an explanation about what makes each situation either a combination or permutation.

### Math

The probability of winning a large stuffed animal in the ring-toss game at a fair is 10%. Find the probability of winning at least 5 of 50 games using normal approximation. I got 0.4052 but answers says it's 0.5932. Please help!

### Math. Need help

1.if g=5 and k=1, evaluate 9+gk a. 13 b. 14 c. 15 d. 16 2.Evaluate a-b^2/b if a = 10 and b = 2. a. 1 b. 3 c. 8 d. 32 3.Evaluate 3xy^2 - y if x = 2 and y = 5. a. 26 b. 30 c. 120 d. 145 4.Evaluate 2d + d^2/3 if d = 6. a. 4 b. 12 c. 14 d. 24 5.Evaluate (a-4b)^2 + 2a if a = 15 and...

### classroom management

I need to find the meaning of the ff: terms...please help... Aspects of Classroom Teaching: 1. Approaches a. assertive b. behavior modification c. group guidance d. business academic e. group management 2. Classroom Management and Discipline please help me...thanks in a ...

### Chemistry

Please help the question that I got is: Calculate how much 95% ethyl alcohol will be required to dissolve 075g sulfanilamide at 78 degree Celsius. Knowing that solubility of sulfanilamide is 210 mg/ml at 78 degree Celsius, 14mg/ml at 0 Degree Celsius. please explain.

### science

scientists often use models to study the movement of earth and it's moon. Why do they use models to study the movements? please help pretty pretty please with cherry on top!

### Math (Probability)

Each of two urns contains green balls and red balls. Urn I contains 8 green balls and 12 red balls. Urn II contains 5 green balls and 8 red balls. If a ball is drawn from each urn, what is P(red and red)? A. 79/65 B. 24/65 C. 20/33* D. 2/13 You have six $1 bills, eight $5 ...

### Math 7 - NYS Math Exam Review Help! (Q2)

9. Eric's mother wants to help him with his math homework. She puts 24 cookies in a cookie jar. Twelve (12) of the cookies are chocolate chip, 8 are oatmeal, and 4 are peanut butter. She then has Eric select a cookie from the jar without looking. Next, without replacing the ...

### MATH HELP ASAP PLEASE!!!!!

Please, please, please, help me! Directions: A large pizza at Tony's Pizzeria is a circle with a 14-inch diameter. Its box is a rectangular prism that is 1 14 8 inches long, 1 14 8 inches wide, and 3 1 4 inches tall. Your job is to design a crazy new shape for a large pizza. ...

### Math Please Help

Look at the given triangles. they both have a right angle. blue: 4x+2, 7x+7, 5x-4 red: x+3, 2x-5, x+7 A. write an expression in simplest form that shows the difference between the perimeter of the larger triangle (that's the blue one) and the perimeter of the smaller triangle...

### Physics

A 34 g glass thermometer reads 21.6°C before it is placed in 135 mL of water. When the water and thermometer come to equilibrium, the thermometer reads 38.7°C. What was the original temperature of the water? I need help on this please could someone please help out.Thank you!

### math

if y=5x-2, then -3x=? PLEASE EXPLAIN a 5x -6 b 15x-6 c 15x+6 d -15-6 e -15x+6

### Math

Simplify: a) 8^2 = 64 ... correct? b) 8^-2 = 1/8^2 ... correct? c) (1/8)^2 = 1/64?? d) (1/8)^-2 = 1/64?? e) -8^2 = 64?? f) (-8)^2 64?? Please let me know if these are correct. Thank you!

### Math: Factoring

3(1+x)sqrt 1/3 -x(1-x)sqrt -2/3 -------------------------------- (1+x) sqrt 2/3 please help

### math

If √8-a + √5+a = 5, then √(8-a)(5+a) = ... Please help me solve this.

### Math

45 divided by 5/11 4/7 divided by 7/8 2 1/2 divided by 4 5/7x =140 Please help Thanks

### Math

Help me divide these please? S.A=6s^2 divided by V=s^3 S.A+4 pi r^2 divided by V=4/3 pi r^3 S.A=2 pi r^2+2 pi rh divided by V= pi r^2 h

### Math

Each day Ernesto drives 52 miles. If he can drive 26 miles on one gallon of gasoline, how many days can he drive on 14 gallons of gasoline? Can someone help me with this please?

### Math

Please help me with the below questions. Write a rational approximation, to the nearest thousandth, for each number: 1) Square root 14 2) Square root 1.4 3) Pie 4) Pie -3

### math

Please help me solve this problem... thanks! 1.Find the equation of the line that cntains the pont (5, -1) and has slope -1/2 2.find the equation of the line that passes through the points (-2,1) and (1,-5)

### math

jill has a recipe that calls for 12 cups of water.her measuring cup holds 1 pt. how many times does jill need to fill the measuring cup????? please help me

### Math algebra honours

In the equation ax - x = c what is x i did it so far but i need help this is what i got so far ax - x + x = 9 + x ax/a = c+x/a x= what that is what i need help on and also y=x-v/b please and thank you can you also explain thanks and may you have a wonderful day

### math

log [ a^3\/ab / (ab^2) ] --> in words this is, log(a to the power 3 times by the square root of ab divided by (a times b to the power of two) please show the full steps

### Math

Samuel drew a blue marble out of a bag in 8 out of 12 pulls. Predict how many times he will draw blue in 30 pulls. Please explain.....

### math- algebra- help please!

3 dice are rolled let (y,r,b) represent each outcome? a- sample space b- prob rolling a sum of 18 c- prob of rolling a sum less than 5

### math

find the solution of (x2-y2)dx + 3xydy =0 Please help me to find the right answer,I sovled many ways but I don't get the right one with answer key. Thank you so much in advance

### math

Please show me how to set this up and how to solve: A ribbon with straight edges has an area of 24 inches squared. Its width is x and its length is 2x + 13. What is the width of the ribbon in inches?

### Math

Please help with the translation of this algebraic expression: Twenty-seven more than a number and the sum of twenty-seven and a number, what is the difference between the two? Thank you!

### 7th grade math check my answers please quick

11. 17, 200 written in scientific notation is 1.7 x 10^5 21. 0.00105 written in scientific notation is 1.05 x 10^-3 are these correct?

### Math

I've read over it, but I still don't understand how to add together bulbs from the Mandelbrot sets. Please help? I need to know how to add the 1/4 bulb to the 1/6 bulb and the 1/8 bulb to the 1/6 bulb. Thank you!

### math

The supplement of an angle measures 11 times its complement. Then the measure of the angle is: (A) 9 degree (B) 99 degree (C) 81 degree (D) 90 degree (E) none of these not just answer, please tell me how to do it

### math

A triangle has an area of 15 cm^2 and a base of 5 cm. If a circle is drawn with a diameter equal to the length of the triangle's height, what is the area of the circle ? a. 6 pi cm^2 b. 9 pi cm^2 c. 12 pi cm^2 d. 18 pi cm^2 e. 36 pi cm^2 please answer and explain

### math

help please 2.you are walking for 5 minutes. You walk a distance of 300 meters. What is your rate of meters per minute? A.60 mpm B.6 mpm C.30 mpm D.1500 mpm

### Math

Two triangles r the same height. The slope side of triangle A is double the slope of B. how do the lengths of these two triangles compare? My last question please help

### math 3

a recipe calls for 32 fluid ounces of heavy cream. How many pint containers of heavy cream are needed to make the recipe? please answer thanks

### math

How many pints of flour should be used with 3 pints of milk in a recipe which call for 2 part of milk and 3 parts of flour? a. 2 b. 3 c. 4 1/2 d. 5 e. 6 please answer and expalin

### math

trying to help the kid with hw but not smart enough. please help. Thank You! -(5/7) ^ -2/5 can be written as -(a)^b where "a" is a positive rational number that is greater than 1 and "b" is a positive rational number that is less than 1. Find 'a' and 'b'

### Math (sequence)

A sequence is generated where is term is equal to the sum of to preceding terms. If the first 2 terms are 1 and 2, what is the fifth term? Please explain the logic.

### math

In triangle XYZ,A is the midpoint of YZ. The bisector of the exterior angle at X of XYZ cuts YZ produced at B. The line through A parallel to XB, cuts XY at P and XZ produced at Q. 1.PY/PX= ZA/BA = QZ/QX. Please help

### Math

Can someone please explain this to me in detail? Thank you! To make 4 3/5 cakes, 2/3 pounds of flour is needed. How much flour is needed to make one cake?

### Math

Can someone please explain this to me in detail? Thank you! To make 4 3/5 cakes, 2/3 pounds of flour is needed. How much flour is needed to make one cake?

### Math help please!

New Orleans has highest elevation of 25, lowest -8. Long Beach has highest 360, lowest -7. Which city has an average elevation of -2? How do you calculate that?

### math

After taking 20% off the original price, Victor paid $14 for a book. What was the original price of the book? My guess is 16.8 it is not a Q&A it is write your own please help.

### MATH

two circles whose equations are (x-3)^2+(y-5)^2=25 and (x-7)^2+(y-5)^2=9 intersect in two points. What is the equation of the line passing through these two points? Can anyone please give me some ideas how to do it without graphing it out? THANKS A LOT!

### math

benny's older brother,Charles studies 16.5 hrs. each week. This is 180% more than the amount of time Benny spends studying. How many hrs. does Benny study eachweekto the nearest tenth of an hr? please help!

### math array

my grandaughter is doing array dot to dot sample make as manydifferent arrays as possible number 5 how would i go about doing a array with dots please, desperate in need to keep up with my grandaughters homework.

### math

David put 155 feet of plastic edging around the outside edge of the concrete surrounding his pool. The concrete in 17.5 feet wide, how long is the concrete. help me solve please, very confused.

### math

a teaher chooses a student at random from a class of 10 boys and 15 girls. Find the odds favor of and for the odds against each event. 1. choosing a girl 2. choosing a boy i don't understand odds of something please help.........

### 4th grade Math Help

Samuel has 1,482 baseball cards in his collecion. Maria gave Samuel 126 cards. How many cards does he have now? Explain what computation method you used and why. Please Help! Thanks Kevin

### 7th grade math

Hi! What is the formula of the volume and surface area of cylinders? I checked my textbook and it didn't really say. My teacher didn't really explain at all. If somebody could help explain this it would be really great. Please help! Thank you!

### Math - Trig

For the equation 4 cos theta - square root 12 = 0, where 0 < theta < (or equal to) 2 pi, determine the measure of theta. The answers to choose from are: A) pi/ 3, 5 pi/ 3 B) 2 pi/ 3, 4 pi/ 3 C) 5 pi/ 6, 7 pi/ 6 D) pi/ 6, 11 pi/ 6 Please explain and show work, because I ...

### math

Please show me how to set it up and solve: You are making a rectangular table. The area of the table should be 10ft squared. You want the length of the table to be 1ft shorter than twice its width. What should the dimensions of the able be?

### Math

Please show me how to set it up and solve: You are making a rectangular table. The area of the table should be 10ft squared. You want the length of the table to be 1ft shorter than twice its width. What should the dimensions of the able be?

### Math

you have a loan for $150,000 @ 5% on a 30 yr mortgage. You plan to pay off your loan in 10 yrs, Do you want your loan to be figured using the "Rule of 78" or the "Unpaid Principal Balance Rule" please help if possible Thanks in advanced

### Math

Don't understand the problem can somebody please help me The bottom of the rabbit cage is a rectangle with a perimeter of 118 inches. Let x be the cages width(in inches) and let y be its length (in inches). write an equation for the perimeter the find the intercepts

### math

If a company issues bonds with a face value of $1000, a coupon rate of 7%, and that will mature in 10 years. The current market yield is 10%. if the bonds pay interest semiannually, what is the value of the bonds? please he;p with the formula?

### math

100=1.5(1.1^n - 1)/1.1-1 Could you be so nice please and help me find the solution. The answer is 22 but I have whole time different number. I use log on both sides : 100=1.5(1.1^n - 1)/1.1-1 10 = 1.5(1.1^n - 1) 10 = 1.65^n - 0.5) log 10.5 = n log 1.65 n = 0.21321 Thank you so...

### math

100=1.5((1.1^(n) - 1))/1.1-1 Could you be so nice please and help me find the solution. The answer is 22 but I have whole time different number. I use log on both sides : 100=1.5((1.1^(n) - 1))/1.1-1 10 = 1.5(1.1^(n) - 1) 10 = 1.65^n - 0.5) log 10.5 = n log 1.65 n = 0.21321 ...

### Math(Algebra)

Estimate the size of the bear population 50 bears, 1 year later 100 bears, 2 with taggs what is the estimated size of the bears can you Please wirite me the stepes so I cam understand what you did. Thank You so much foer your help.

### math show work please

a bacteria colony doubles in 7hrs. How long does it tae the colony to triple Use N=No2^t/T. where No is the intial number of bacteria and T is the time in hours it take the colony to double.

### math

Determine the value of k in y=kx^2-5x+2 that will result in the intersection of the line y=-3x+4 with the quadratic at a) two points (1 mark) b) one points (1 mark) c) no point (1 mark) Here's my work on it: kx^2-5x+2=-3x+4 kx^2-2x-2=0 a)b^2-4ac (-2^2-4(1)(-2) (-4--8) (4) Can ...

### math

Two circles have a radii of 15 and 95. If the two external tangents to the circles intersect at 60 degrees, how far apart are the centers of the circles? Can someone please explain this to me, show the work and give me the answer. Thanks!