Math(Please help)

184,813 results, page 64

5th Grade Math Algebraic Expressions

What is the algebraic expression for six is fifteen less than three times a number?Please Help.! -Keke

math

I have to evaluate the limit of these problems and I can't figure them out! 1.) Lim x-> 1 x^2+x-2/x^2-x 2.) (please note that the -2 is not under the square root) Lim x->0 sqroot 4+h -2/ h

aig math (please answer Ms.Sue)

other than the digit 3, what is a number that could belong in the box? 1'3=1___ "1'3" is in exponents my answer is 1 am i right if not tell me why

math

If evelyn practices the piano for 45 mins every day, how many minutes does she practice the piano in one year? Please solve. Thx

math

if a Ferris wheel with a radius of 22 feet takes 25 seconds to turn 4(pi)/5 radians, find the angular speed of the wheel! please help asap

Math Ms. Sue please

Find the volume of a square pyramid with a base length of 9 cm and a height of 4 cm. 324 cm^3 108 cm^3 36 cm^3 152 cm^3 Is the answer 152?

math

It takes Omar four minutes to eat eight carrot sticks. How long does it take him to eat one? Please answer and explain.

math

If i earned $20 in January,$5 in February and $20 in March! What is the mean (average) amount of money earned for these 3 months? what is the answer and can you explain the question to me please

Math Help please!

Find the area under the standard normal distribution curve for the following z-values: a. Between z= 0 and z = 2.01 b. Between z = 0 and z = -0.32 c. To the left of z = -0.73 d. To the right of z = 0.32

Math Please help ASAP

how do you find the LCM (90, 120) by taking the quotient of the product of the numbers and divide by the greatest common factor of the numbers

math help

question says choose which is greater or are they equal or not enough info fifty percent can be represented by n --- 50 a. n b. 45 answer is b is greater please tell me why

Math

Brandon was paid $132.50 commission for his work selling $2650 of farm equipment. What was his commission rate? please explain clearly!!

Math

Please help me solve this!! I'm really struggling with this topic Write an equation in slope intercept form with a y-intercept of 1 and is parallel to the given line

math

If the length of a rectangle is increased by 25%, by what percentage should the width of the rectangle be decreased to maintain a constant area ? a. 5% b. 10% c. 15% d. 20% e. 25% please answer and explain

MATH

please help me... 1. When squaring a complex number using De Moivre's theorem, there are two answers. TRUE FALSE i think it's true, but I'm not sure. thanks.

Math easy please help

I just need help with rounding for making sure I round my answer correctly. Can you round this 1.299678785 to the nearest hundredth Thanks :)

math

A box contains 12 lightbulbs. Find the number of ordered N samples of size 3: (a) with replacement (b) without replacement Also, please do Not solve.

math

54. The volume of certain rectangular solid is 12x. If the dimensions of the solid are the integers x,y,and z,what is the greratest possible value of z? a. 36 b. 24 c. 12 d. 6 e. 4 please answer and explain

math

you owe $3 to each of your six friends . Represent the total amount you owe as an integer I know the answer is $18 but I wondering how u get can someone please show me plz

Math-please check

Determine if a true bioconditional can be written from each conditional statement. If not, gove a counterexample. 1. If a = b then |a| = |b| Is this true? 2. If y^2= 64 then 3y=24 Is this false? Because if you do -8 both of them aren't equal

Math URGENT QUICK QUESTION

factor 9-6x-3x^2 The expression x^2-8x+k cannot be factored if k has the value A.)7 B.)0 C)-7 D)-9 Please show me how to do these questions step by step so that I can understand & learn

Math algebra Help please

A right triangle has an area of 24 ft^2 the dimensions of the triangle are increased by a scale factor of 6 A.48ft^2 B.72ft^2 C.144ft^2 D.864ft^2

Math HELP!!!!!

give 2 examples of mixed numbers that when multiplied by 3/4 give a product between 3/4 and 1 PLEASE HELP ME AND QUICK I HAVE A LOT DUE TOMORROW!!!!!

help PLEASE math 112

Which has the greater effect on the surface area of a right circular cylinder - doubling the radius or doubling the height? how can I explain this

Math! Please check!

Suppose angle PQR and RQS are adjacent angles. Whats side do these angles have in common? A: -> PQ B: -> SQ C: -> QR D: -> RQ My choice is D

Math (trig)

A force of 35lb is required to hold a 72lb toolbox on an incline. What angle does the incline make with the horizontal? Please help me set this up.

Math 6 grade

If you need to find the percent of a number, explain how you can predict whether the part will be less than, greater than, or equal to the number. HELP PLEASE

Math Ms.Sue???

Find the surface area of the cone. Use 3.14 for pi. The diameter is 8in and the height is 7in please help asap!! And thank you for your time. Ms.Sue?

Math

this is a difficult question for me please help! thankyou A sequence is defined recursively by an + 1 = 3an − n, a1 = 2. Find the first six terms of the sequence. a1 = a2 = a3 = a4 = a5 = a6 =

Math

a lottery game has balls numbered 1 through 19. What is the probability of selecting an even numbered ball or a 4? Its hard one please anyone know how solve?

math

how much flour will be needed to make 3 pies if using 1 3/4 cups of flour? i need two ways of solving this question please

Math

I need help please. Assume that one dollor is equal to 1.14 euros. If 500 g of an item is selling for 25 euros, what is its price in dollars per kg?

Math

Convert the rate 1000 fluid ounces per 2 hours to cups per minute. Please help, i have a test in 3 days!!!

Math

Our difference is 6. We have a sum of 14. What numbers are we? We know number 10. How did you find 4? Please describe and solve the riddle.Write the number sentence.

Math

You borrow $2,000 for a period of 4 years. You are charged simple interest at a rate of 3%. How much will you repay at the end of 4 years? Please answer. Thank you

Math HELP!

For how many integers x does a triangle with side lengths 10.29 and x have all its angles acute. how do I know which side is the hypotenuse or does it not matter? Please give me an explanation.

Math HELP!

For how many integers x does a triangle with side lengths 10,29 and x have all its angles acute. how do I know which side is the hypotenuse or does it not matter? Please give me an explanation.

math

what is the value of -3/4-(3/-8) (the 3/4 fraction only has the - on the 3, not the entire fraction) a -1 1/8 B -3/8 C3/8 D 1 1/8 What I did is first find a common denominator making the equation -6/8-(3/-8)= -9/16 this is not one of the choices Can you please help. Thank you

Math

I've been really struggling with this question, could someone please walk me through it. x+y=0.4276 (so, y=0.4276-x) x/23.947+y/56.105=0.01034 Solve for x.

Math, please help

Write a real world situation that can be represented by the expression 8(t - 3). Tell what the variable represents then give a value for t and evaluate the expression.

Math

Given the geometric sequence: 26, 2617, 26289, ⋯ Find an explicit formula for an, where the first term is a1=26. an= Find a6= please help out

math

please help a five -digit number is made from the digits 6,6,3,3, and 3. write two numbers in which the places of the two 6,s are separated by a factor of 1000?

math homework help please?!!

use the first six terms to predict the limit of the sequence a subtext n = n+6 / n^3 +6 (assume n begins with 1) a. 1/6 b. 6 c. the sequence diverges d. 0 e. 1

8th Grade Math

The value of y varies directly with x. When y = -12 1/2, x = 50. What is the value of y when x is 11 3/4, rounded to the nearest hundredths? Can someone please show me how to solve this problem?

MATH *PLEASE HELP

Use Green's Theorem to evaluate C F · dr. (Check the orientation of the curve before applying the theorem.) F(x, y) = y2 cos x, x2 + 2y sin x C is the triangle from (0, 0) to (1, 3) to (1, 0) to (0, 0)

Math - Coordinate Geometry

Find the equation of the line which passes through the point (6, -4) and is parallel to to the line 2x-3y+3=0. Please show working out as well, thanks.

Math - Coordinate Geometry

The vertices of a quadrilateral are A(-2,3), B(5,4), C(4, -3) and D(-3, -4). Prove that ABCD is a rhombus. Find the area of ABCD. Please show working out, thanks.

Math

On a certain map 1-1/16" = 300 miles. How many miles does 7/16" equal? Please clarify he process for solving his. What is he correct way to write the equation?

MATH HELP QUICK PLEASE!!!!

A tree is 3,212 years old. How can you express this age in scientific notation with the lowest level of precision? 3•10^3*** 3.2•10^3 3.21•10^3 3.212•10^3

Math

Please help with these 3 questions. 1. Suppose that y varies inversely with x, and y=3, when x=5. What is an equation fpr the inverse variation. 2. What are the solutions to the system? y=x^2+2x-45 y=-3x+5 3. -sqrt 18 divided by sqrt 12 Thank you!

Arithmetic

32 is 40% of what number? I am brushing up on math that I haven't done in years. Could someone please explain this step-by-step to remind me how to do this kind of problem properly? Thank you!

Math

please help with this question .Name two planes that intersect in UV in the figure to the right. I have a diagram to post as well is their a way to post it here ?

Math please help!!!

Solve the system of equations to find x,y,z (hint let d=x2 e=y2 and d=z2 . Find d e and f first) 2 means squared I don't have it on my keyboard. X2+y2+z2=9 3x2-y2-z2=7 Y2+2z2 =6

Math

Write and solve an equation for each of the following. Triangle ABC is congruent to triangle DEF. AB = 2x - 10, and DE = x + 20. Find the value of x and AB. I don't even know where to begin, please help.

MATH PLZ HELP

I need all the answers please :( Find the like terms in the expression 1.) y + 1.2y + 1.2z 2.) simplify 2 + 17x - 5x + 9 3.) simplify 3(5 = 6) - 4 4.) Factor 81 – 27p

math-help solve please

find out how long it takes a $2700 investment to double if it is invested by 7% compounded semiannually. Round to the nearest tenth of a year . Use the formula A=P[1+r/n]^nt

MATH (to Reiny)

I tried to simplify it with the second fraction by multiplying the top and bottom by "r" and i didn't work. Well at least I don't understand how to get there. Can you please just explain how... n!r/(n-r-1)!(r-1)!r goes to n!r/(n-r+1)!r! I get one put of it, that r x (r-1)! = r...

Math

I asked this question yesterday, but I am still having alot of trouble, can someone please help me. Thanks. If 1-cos^2x=0.8725, and x is acute, determine the value of x correct to the nearest tenth of a degree.

Math

Bob wants to start a lawn in an area that is 110ft by 70ft. One bag of seed covers 1200 square feet. How many bags should he buy? Please help me solve

Math

Write an equation in standard form for the line whose slope is undefined that passes through (5,-3) Please help me solve, my answer is 5x-3y=0... It was marked wrong and i can not seem to figure it out.

math

Twelve randomly-chosen students were asked how many times they had missed class during a certain semester, with this result: 2, 1, 5, 1, 1, 3, 4, 3, 1, 1, 5, 18. For this sample, the median is _____. A. 2.5 B. 3 C. 3.5 D. 2 need help please

math

Can someone help me plwease with this problem????? I need to find an equation for the given pair of points and express my answer in x=a,y=b, or y=mx+b form. Please explain it simply as I am really struggling with this. (-1,-1) and (6,6). Thank you so much for your help!!!!!

math

How can you make 34 by only using the digits 1, 2, 3, and 4? You can put two numbers together (ie 12 or 34). You can use the operations: addition, subtraction, multiplication, (NO DIVISION!!), exponents, and parentheses any way you want!! Please help!!!!

Math

Is it possible to bend a 20cm length of wire into the shape of a rectangle which has an area f 30cm^2? I have no idea how to even approach this. Please give me some guidance?

math

A computer company gives a discount of 10% on a new piece of software. If it makes a profit of 4%, what percent does the marked proce exceed the cost price....please show work

math

Sevnety-eight players entered a single elimination tennis tournament.How many matches were played to determine the overall champ? please help me...and if u get the answer can you explain how you got it with a rule or a pattern

math

Sevnety-eight players entered a single elimination tennis tournament.How many matches were played to determine the overall champ? please help me...and if u get the answer can you explain how you got it with a rule or a pattern

math

Sevnety-eight players entered a single elimination tennis tournament.How many matches were played to determine the overall champ? please help me...and if u get the answer can you explain how you got it with a rule or a pattern

math

Sevnety-eight players entered a single elimination tennis tournament.How many matches were played to determine the overall champ? please help me...and if u get the answer can you explain how you got it with a rule or a pattern

math

Sevnety-eight players entered a single elimination tennis tournament.How many matches were played to determine the overall champ? please help me...and if u get the answer can you explain how you got it with a rule or a pattern

math

Sevnety-eight players entered a single elimination tennis tournament.How many matches were played to determine the overall champ? please help me...and if u get the answer can you explain how you got it with a rule or a pattern

math

Sevnety-eight players entered a single elimination tennis tournament.How many matches were played to determine the overall champ? please help me...and if u get the answer can you explain how you got it with a rule or a pattern

math

Sevnety-eight players entered a single elimination tennis tournament.How many matches were played to determine the overall champ? please help me...and if u get the answer can you explain how you got it with a rule or a pattern

math

I am a third grader and have a homework of sketching and labeling all possible rectangles with perimeter of 30 cm and sides whose lengths are whole numbers. I am confuse, i need help please.

math

Find the volume of a solid generated by revolving the region bounded by y=secx and y=0 and x=0, x-pi/4 about the x axis. Don't evaluate. Please help!!!! Also, what si the average value of this equation? I don't understand what that means.

math

a millionaire leaves 1.4 million dollars in his will to be shared between his three children in the ratio of their ages. if they are 24,28,32 years old, calculate to the nearest dollar the amount they will each receive? PLEASE HELP!!!

math

a sphere has a volume of 500/3 pi cubic centimeters. What is the total surface area, in sqaure cntimeters, of the square? A. 25 pi B. 40 pi C. 100 pi D. 400 pi Please show your work. im very confused :(

Math!! Please help!!!

Given 1/3 Y÷1/2 X=4 Discuss its meaning. Create a shape for X and for Y that will make this true. Draw and label the shapes, then illustrate how the quotient was obtained. Your drawing must be neat and accurate.

Math

Hi, could you please help with this question :) Find the speed and direction of a particle which, when projected from a point 15 m above the horizontal ground, just clears the top of a wall 26.25 m high and 30 m away. Thanks in advance

math

could you please help with this question :) Find the speed and direction of a particle which, when projected from a point 15 m above the horizontal ground, just clears the top of a wall 26.25 m high and 30 m away. Thanks in advance

math

Find the accumulated amount A if the principal P = $3,000 is invested at the interest rate of r = 9% per year for t = 5 years, compounded annually. Please round your answer to the nearest cent.

Math, please!

I need to determine the amount of an investment if $1000 is invested at an interest rate of 8% compounded quarterly for 2 years. - Not quite sure how to go about this and would appreciate help. Thank you in advance.

math

461,592 x 308 _________ 3592736 + 13947760 ___________ 142,070,336 What is the first number that is incorrect in the work above? Please answer and explain.

Math! Please check!

Fill in the blank. A pair of intersecting planes ________ intersect in exactly one point. A- always B- sometimes C- never D- not enough information My choice is C.

business math

How do you know which rule to use when it doesn't specify? All it says is find the derivative of the function. I haven't had algebra/calculus in over 20 years, I'm completely lost. Please help.

Math

Describe a real-world problem that can be solved using the expression 29 divided by (3/8 + 5/6). Find the answer in the context of the situation. Please help! Due tomorrow. I would really appreciate it!

Math Questions

Find Part of a Group Use a model to solve. 7/8 x 16= Answer: 14 8x2=16 7x2=14 6/10x10=6 10x1=10 6x1=6 Please let me know if I have the above answers correct? Thank you

Math

Use three rectangles of equal width and the left endpoint approximation method to estimate the area enclosed by the x-axis, the lines x = 1 and x = 4, and the curve y = x^(1/2). Could you please help me understand how to do this? Thanks in advance!

Math (please check my answer!!)

What other information must be given in order to be able to prove the two triangles congruent by ASA? i.imgsafe(.)org/c64c59dad9.jpg 1. T=S 2. P=S 3. P=R<<< 4. PQ=QR

math

Find three consecutive odd integers such that four times the middle integer is two more than the sum of the first and third. I think I'm doing it wrong. 4((x)+(x+2)=x+(x+4)+2 4(2x+4)=2+3x+6 8x+16=3x+8 5x=8 ? Please help

math

find the area of a triangle i dont have a pic so ill just tell you the measurements 5.5m, 6.9m, 4.9m choices: a. 16.5m2 b.11.55m2 c.23.1m2*** d.4.85m2 is my answer correct if not please explain how to do it

math

if shelia invested $5000 in an account paying 3% annual interest. how many years will it take her money to double? write it in exponential equation and rewrite it in log form. please help

math

I am a little confused on the first question of this problem could someone please check my answers and please explain why and what I need to do to get correct answer thank you Calculate the mean, and write this as a mixed fraction. 12,9,4,6,8,12,13,14,11,5,12,2,9,13 answer I ...

History

Need help finding old newspaper articles on lapd swat please. LAPD SWAT was created in 1968, so i need an article that is from 1968-1982. I only found one and i am having a lot of trouble finding another one. Please if you know any online newspaper article websites that most ...

7th grade social studies question Ms. Sue please

Can you give me links to these questions please? What did the Telegraph Lead to? What was life like after the Telegraph? Positive and negative Impacts of the Telegraph

English

Where reading the poem "LEGAL ALIEN" by Pat Mora . We have to find the rhythm,meter, and assonance . I cant fimd any of that in the poem . Please tell me what each one of them are in the poem .. Reply ASAP please

math

in a big right triangle with a small right triangle inside of it. C is the length of the whole thing., R is the adjacent of the small tri. H is the oopisite of the small tri. B is the adjacent of the big tri. as well as the hypotenuse of the small tri. S is the oppisite of the...

Math

For the equation y = -6x, what is the slope and y intercept? The formula is y = mx + B. I know that m = the slope and B = the y intercept. So in the equation y = -6x, what is the slope and y intercept? Is -6 the y intercept or the slope? Because if it's the slope, How am I ...

Math

For the equation y = -6x, what is the slope and y intercept? The formula is y = mx + B. I know that m = the slope and B = the y intercept. So in the equation y = -6x, what is the slope and y intercept? Is -6 the y intercept or the slope? Because if it's the slope, How am I ...

math (algerba 1) Please help!

In basketball you score 2 points for a field goal and 1 point for a free throw. Suppose that you have scored at least 3 points in every game this season, and have a season high score of 15 points in one game. How many field goals and free throws could you have made in any one ...

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