# Math(Please help)

183,433 results, page 51

### math

use the appropriate formula to find the amount for the investment. For (a) and (b) please round the answer to the nearest cent. $13,600 for 5 years at 4.5% compounded semiannually.

### math

use the appropriate formula to find the amount for the investment. For (a) and (b) please round the answer to the nearest cent. $13,600 for 5 years at 4.5% compounded semiannually.

### math - pls check!!!

29) 4k - 1 >= -3 30) 6(c - 1) < -18 31) 3t > 5t + 12 32) -6/7y - 6 >= 42 33) 4 + x/2 > 2x 34) 3x + 5 <= 2x -8 35) 13.5a + 7.4 <= 85.7 36) 42w > 2(w +7) ANSWERS: 29) k >= -2 30) c < -12 31) t < -6 32) y <= -56 33) x < 8/3 34) x <= -13 ...

### math

which ordered pair is a solution to the equation y = 3x + 4. I just can't figure it out. I have been working on this problem for over an hour. Please help me with the steps

### math

Write the slope-intercept (y = mx + b) form of the equation from the information given. 3. The line goes through the points (8,5) and (9, 6) ~ Can someone please help me? I really don't know how to do this one

### math please tutor Maddie

What is the least possible value of the expression if two of the values 1, 2, 4, and 8 are substituted in any order for the variables x and y? 1/9^x÷9^y=9^z Enter a power of 9 in the box.

### Math (Elementary Algebra)

What is the value of the expression 2x^2 + 3xy - 4y^2 when x = 2 and y = -4 ? Please help this is for my accuplacer. If you could show your work explaining how you got the answer that would be awesome. Thank you in advance

### Math

Find the probability of the following event: tossing a coin heads up or rolling a 3 with a number cube. I got: 1/2+1/6 = 2/3 but the right answer is 7/12. I don't understand how to get 7/12. Please help.

### math

Find the probability of the following event: tossing a coin heads up or rolling a 3 with a number cube. I got: 1/2+1/6 = 2/3 but the right answer is 7/12. I don't understand how to get 7/12. Please help.

### Math

What is the probability that washing dishes tonight will take me between 11 and 14 minutes? Give your answer accurate to two decimal places. please help out

### math

Determine the volume of perfume that would fit into each container. Show calculations to support your answer cylinder h=12.4cm r=6.2cm please help

### Please help immediately! Math

Find the surface area when a hexagonal prism 6t tall with a regular base measuring 9ft on each and an apothegm of length 7.8ft.

### Math

Find the standard equation of the circle concentric with x^2+y^2-12x-10y = -12 and has a diameter of 10. I have been trying to solve this all day, can you please help me :(

### MATH, please help

So this is a "Challenge" (we don't have to do it but my mum is making me) we haven't learned it, it's only if you want to do anything harder or more difficult. 1.explain why the ratios 6/9 and 8/12 are in proportion

### Math

Find the compound interest on rs 64,000 for 1 year at the rate of 10% per anum compounded quarterly. Could you please do it fast I need to give it tomorrow.

### Math (please check my answer)

Write a proof for the following. I have 2 answers but I don't know what the other 2 would be? Can anyone help?i68.tinypic(.)com/k2nw9.jpg

### Please help (MATH)

If two fair dice are rolled, what is the probability that a total showing is either even or less than eight? How would I solve this question? What are the steps? Thanks

### Math

The store usually sells the baskets of fruit for 15 dollars but today they have a 5% discount which is the new price. Please help me i am totally confused on what is going on.

### Math

What is the area of a rhombus with: Side=8 cm Acute angle between one pair of sides=30 degrees Please don't use trigonometry as I'm in Class 7. Thanks in advance.

### Can anyone check this? - Math(integration)

The question can be found at display.cgi?id=1501575066 I can't post website addresses. Please add the site name to the front. Thank you!

### Science (Cont.)

Can anyone please answer my science question???? PLEASE!! if nobody on here is answering, try doing a little research on other websites i need some help on my homework

### drwl / bobpursley please check

I had posted three questions at 1:48pm, 2:40pm and 2:41pm and I am having problems with them. Can you please check them for me. Thanks! Repost if you are not satisified with the responses.

### Algebra-- PLEASE help!

(x+3/4)^2 = 17/16 My teacher taught us a square root method, but I am confused with it on this one! I would prefer if you show me using square roots, but if you have another way, please help too! Thank you!

### chem

i don't get this at all can you please show me how to do this problem: a sample of oxygen occupies 10.0 L under a pressure of 105 kPa. at what pressure will it occupy 13.4 L if the temperature does not change. please help me set it up

### science

See i took this practice test and i got a lot wrong i need help its on nature of matter and i need help so my mom can get of my back help me please I'm desperate for help please i beg

### Chemistry

Please help me verify the following question: Consider the following ion; XF2-2 What is the oxidation number assigned to element “X”? Show your work My answer: X F2-2 X -1(-1) X -3=0 X = +3 Please let me know if right. Many thanks!

### Pre-Calc-Please check my answer

Please help-I'm stuck really bad Thank you for any help you can provide What are the roots of the equation x^2 -4x + 3 = 0 x^2 - 4x = 3 x^2 +2(-2)x + -2^2 = -3 = -2^2 x^2 + -4x + 4 = 1 (x + -2)^2 = 1 qrt (x+-2)^2 = sqrt 1 x+-2 = plus or minus 1 therefore x=1 x=3 roots are 1 and 3

### physics

How far (in meters) above the earth's surface will the acceleration of gravity be 27.0 % of what it is on the surface? can someone please just give me an equation to figure this out please I am lost

### Algebra

I posted this last night but it didn't get answered. So I'm posting it again with hopes that, this time, it will be answered. Please solve for x: |x-6|>7 I got x=6 as a final answer, but that doesn't make sense because 6 is not greater than 7. Please help!! Thanks :)

### surgical technology

Please am writing a term paper on indirect inguinal hernia, and I need help with writing the the preoperative prococedure before one goes for surgery. Please help me.

### surgical technology

Please am writing a term paper on indirect inguinal hernia, and I need help with writing the the preoperative prococedure before one goes for surgery. Please help me.

### Pre-Calculus

Could you please explain how to use a matrix (matrices) to solve a system of linear equations (two variables)? My book doesn't explain it in a way I can understand. Please and thank you.

### Chemistry.

Caculate the wavelength of light emitted when each of the following transitions occur in the hydrogen atom. A.) n=3->n=2 B.) n=4->n=3 C.) n=2->n=1 How do you do this. Could you please just show me step by step for atleaset one. Please!

### Essay

Can someone help me please I have to write a essay on if you won a million dollars and cannot spend it on yourself or family what would you do with it. I need help to start it just the opening line please

### To ANY SCIENCE HELPER URGENT

1. Describe 2 methods of viral infection 2. How can a virus be helpful to its host? Please this is very urgent, I have finished everything else but these r my last 2 questions that I don't know! Please help! Thanks:)

### Language(asap answers please!!!)

Which section of a personal narrative requires the most development? a. introduction b. conclusion c. character introduction d. plot My answer: D. Please check!

### math

John's account of 98.50 has been delinquent for 3 months. After 90 days office charges a 2% service charge, compounded monthly that is added to future bills. What would be the amount owed after 9 months? My math is 98.50 x 0.02 = 1.97 1.97 x 12 months = 23.64. Take 3 months ...

### math

missed this in parade magazine, please answer for me man owns cows and chickens that total 30 when the son couned them his answer was 74 legs how many chicken did the farmer own x=cows y=chickens x+y=30 4x+2y =74 please finish for me Solve one equation for one variable. Take ...

### math

can u please help me with this math problem. i don't get how to do this question. Mrs. Mabie has a rectangle swimming pool that measures 25 feet by 14 feet. She wants to have a cement walkway installed around the perimeter of the pool. The combined area of the pool and walkway...

### Math (Check answers, please.)

Hello. I am having some difficulty with this problem. Could you please check my answer? You start searching for a buried object by marking the center of a field as (0, 0), with coordinates giving distances in yards. Coordinates to the north or east are positive, and ...

### Math

Can you please check my answers. Determine whether the function is a polynomial function. f(x) = 4x + 4x^5 -Yes f(x) = 4 - 1/x^2 -No

### math median

please tell me hoe you find the median in a group of numbers :)

### Math

how to use grids to mutiply decimals by decimals. please give example

### Math

Please help I have the answer to the problem but can figure the steps to solve it. 1/4 = 3 - 2x-1/n+2 I know the answer is -26/3

### math....please help....so desperaTe...

what is the coordinate of a rectangle with a vertex at (1,2) and dimensions 3 units by 4 units.....

### Fractions/Math

7/8 divided by into 3 1/2 please help I got 0.014 is this correct and 2 1/4 divided by 1 1/7

### Math

Divide by long division divide x^3+4x^2-3x-12 by x^2-3 I am a bit confused. Please explain!!

### math(integers)

Ok so i need help with subtracting integers because i am lost some please help me fast!

### Math

Can someone please show me how to find an answer for this? I forgot how to add them to get the answer. 2x +12= 6x +4 =

### math

what is the the diameter of a circle in km if the area is 5.65 miles? i don't know how to convert miles into km so please help.

### MATH

the circumference of the peg is 3 in.will the peg go through the hole that is 1 in.? Explain. please help i am confused

### Math (URGENT)

Write and simplify the expression. My answer: 2x +(x+3)(x-2) = x^2-x-6 Textbook Answer: x^2-x-2 Please help. Thanks.

### Math

Solve. x-6/x-9=3/x-9. I came up with a answer of -2/3 but I don't think that is the right answer. Could someone please help? Thanks.

### math

solve equation if equation has no solution state so,simply when necessary 2/3x+1x=1/6 1/x+4-1/x-2=x+2/x^2+2x-8 help me please

### Math

Find the domain of the function g(x)= 1/6-5x I know that x is a real number but I need the domain please.

### math

how do you solve these problems? 1.2x/3 + 1/3 - x/8= 2/3 2. 3n + 9/10 + n/5= -2 3/10 3. 3k/4 - 28 - 2k/3 = 37 thank you can you please show me step by step how you got the answer?

### Math Algebra

Please help Solve by the elimination method x+7y=54 -x + 6y=37 The solution is (___,___)

### math-please check my answer

Find the slope of these two points (3,5)and (-5,-2) Is the slope 3?

### Math-please check my answer

Find the slope of the following points(8,9) and (10,-9) -9 - 9 / 10 - 8 = -18/2 = -9 is the slope?

### Math/Please HELP!!

Find the vertex for f(X)=-x^2+8x+6 My answer is (4,22)Is it correct? If I am correct then what is the line of symmetry?

### math subject

make (a) the subject 2a+ã2a^2=10 please and thank you (the 2a^2 is all spuare rooted)

### Math

How do you do this Simultaneous Equation? 3x+4y=14 x+y=3 Please give me the step by step solution. Thanks a lot!

### Math

please go step by step to better understand if 2f(x)+f(1-x)=x^2 for all real numbers, the f(x)=?

### Math

A triangle has sides with lengths of 3x, 5x, and 8x. Express the perimeter of the triangle in terms of x. Please help!!!

### math

hi i made a typo in my last question can u please show me step by step how to simplify [(x^3/y^3) -1]/[(x^2/y^2)+(x/y)+1]

### math

i only need help on these two that's it so please help me(step by step if you could) 1)1.5x-2.5y=8.5 6x+30y=24 2)3x-2y=8 x+3/2y=8 THANKS SO MUCHHHHH!! :))))

### math

if 65% of students are wearing t shirts and 48% are wearing jeans is this possible? Please explain.

### math

Please help my equivalent fraction. I am greater than 1/5 and less than 1/2. My denominator is between 2 and 4. What fraction am I? Thanks for the help..

### math

the volume of a container that is 8" long 4" long and3' high is _cu in. please help

### math

please help I have no ideal how to do this convert the numeral to a numeral in base 10 8B3C0 16

### Math

Please help me with the two given questions. 1] find lim 3x^2-4x/7 x-->0 2] lim sinx/2x x-->0

### math

please help with daughters homework show 25 broken key is 5 show in 3 ways

### math ASAP

please explain how to use doubles plus 1 and doubles minus 1

### Math( help please ! )

For what values of k will the function f(x)=3x^2+4x+k=0 have no zeros, one zero, 2 zeros

### math

can someone please help me understand how to get a z score. For example I have to find the z score for: x and y and x is 2 and y is 3

### Math please help urgent !

Find the slop of the tangent to the curve y=(10-sqrt x)(5+sqrt x) at x=25

### Math jss 2

Please draw a number line from -7 to+7 on the line and mark the pointr a(6)b(5)c(-4)d(-6)e(5)

### 8th grade math

2x=y+1/2 how do you turn this equation into an equation that is ax+by=c? Please help and explain. Thank you.

### Math problem

having problems working this problem out please solve 49 5/2

### 7th grade math

Could someone show me how to do this please? 26.2% of a certain number is 81. What is the number?

### math

how to simplify the following,please step by step 56x^7+21x^4+63x^3

### math

how do i simplify the following? -19-11a+9+16 thats negative 19 minus 11a plus 9 16. please help!!!

### Math

How do you do ratios? And whats the easiest steps i can follow that will help me do and understand ratios? please help.

### math. solve for t

1/1024=42*0.5^(t/12.5) Solve for t. Please show work. Much appreciated!

### Math

I am having a hard time doing equivalent fractions. Would 3/5 of 2/9 be equivalent? Please help

### math

numbers that have a tens digit greater than 5. Please chose the numbers 44 75 21 16 93 67 88 82 6 90 77 34 92 42

### math

what is the square root of 6,multiplies the answer bt 2 and then squares that answer.please explain,thanks

### Math 8R - HELP!

Multi-Step Equations Systems of Equations x + y = 0 5x + 2y = -3 this is what i got so far.... x + y = 0 ----> x = 0 - y 5x + 2y(0-y) = -3 please help!!!!

### Math-Please Help

A piece of iron weighs 45 oz and has a volume of 10 in^3. Determine the density of iron in g/cm^3.

### Math

Hi, could you please provide a step by step solution explaining how to do this: [(a^2 - b^2 + a + b)/(a - a^3)] x [(1-a^2)/(a - b + 1)] The answer should be (a + b)/ a Thanks

### Math

Parallrlogram that is 3 cm measuring 110 degrees and 70 degrees. Please show drawing.

### math

can someone help me and expalin how to do these five question please and thank you 11. y = ½ x2 +2x – 3 27. 3x2 – 5x = -3x2 + 6 33. x2 + 10x = -8 45. x2 – 6x + 9 = 0 47. (-3,0),(1,4),(-1,6),(2,0)

### MATH FACTOR POLYNOMIALS

Factor the polynomial. Please show all work. x^2+2x-3

### Math

Solve by elimination: 5x+7y=77 , 5x+3y=53 can you please help me out step by step so I can understand it on my own, thanks.

### math mrs sue help!!!

-4h greater than 7h what can you multiply -4 to be greater than 7 please show your work

### Algebra

Could you double check my math problem please? Thanks 4) −15 + n = −9 MY ANWSER: 6. Thank you :)

### Math

simplify: cos(sin^-1(x)) Can someone please show a step by step of how to do this.

### Math - Algebra

Evaluate t - u/v when t = -1, u = -3, and v = 1/2 I am VERY VERY unsure what the answer is. PLEASE HELP!!! I am stuck on this!!!

### MATH

Show that C is an integer C=16*25-32*75/64*6*16 16(25-2*3*25)/16*6*64 25(1-6)/6*64 -125/384 -0.3255208 Which is a decimal and not an integer. Please help.