181,141 results, page 37

### math

I would like some help simplifying and adding this fraction problem please help me I am so confused 7 2/3 + 8 5/6

### Math

Evaluate the following expression. Can you explain how to get the answer to this question please. [15 + 6 x(15-13)]divide by 9 Thank you for your time

### Math

Suppose U={1,2,3,4,5,6,7,8}is the universal set and P={1,2,3,4}. What is P? A.{5,6,7,8} B.{1,2,3,4,5,6,78} C.{1,2,3,4} D. Cannot be determined. I think it's either B or D. Please correct me if I am wrong. Thank you!

### Math 222

Please help me solve and understand this.**MY PLUS AND EQUAL KEY IS NOT WORKING** F equals mv^2/r

How long will it take to travel 614 km. when you are moving at a rate of 5 cm. per year?

### Math 222

Using the Rules of Exponents. Please show me how to simplify each expression. 27 -2/3 ____ 27 -1/3

### Math 050

Input= X and is decreased by 7 how would that be expressed into a algebraic expression? Please help

How would you convert 1.5 square iles to dm^2?? I don't know how to show my work for this particular one.

### Math

I do not know how to do this problem can someone help me please. Thank you. Determine if the given ordered triple below is a solution. (3, 3, -5) x + 9y = 30 2x - 8y = -18 5y + 2z = 5

### Math

Explain how u can write 35% as a sum of 2 benchmarks percents or as multiple of a percent? PLEASE TELL ME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!:)

### Math

Find the equation of the line that is perpendicular y=3/5x-4 that passes through the point (-1,3) I forgot how to do this. Please help

### Math

Write the equation of a line, in general form, that has a slope of 4/3 and a y-intercept of -5. Help me please...thx

### Math

Essay on a true hero is a unifying force in a diverse society ideas please

### math

selena calculated the percentage change in the price of a microwave as -87%please explain what it means

### math

The lines a and b intersect at point D. What is the value of z? z = Can you please help em solve im really stuck and confused?

### Math-Algebra

Find the GCF of the terms of the polynomial. 12x+20 2 4 5 10 Some help on how to solve this please?

### MATH HELP ASAP

identify the sequence as arithmetic, geometric, or neither. please explain answer 1.6,0.8, 0.4, 0.2,...

### Math

Find the inverse function of f(x)=(x+4)/(2x-5) and then verify your result using: f(f^-1(x))=x and f^-1(f(x))=x. Please an answer fast

### math

Write this in scientific notation. (1.4*10^1)(8*10^4) a)9.4*10^4***** b)9.4*10^5 c)1.12*10^5 d)1.12*10^6 Please cheek my answer i am not sure if I am right or wrong.

### math

The area of a square field is 3/2 hectares find the length of its diagonal in metres please help.

### Math

Three dozen eggs, 25% broken. How many left? ( Answer with working outs) please.

### Math-Direct Variation

can you please show me how to set this up? The variables x and y vary directly. When x is 3, y is 6. Find x when y = 2/3

### Math

Solve it showing detail steps..please. Integrate : ∫(cos^3 x)^2 ⁡dx

### Math

3/7 x 14/15=2/5 1 1/3x 5/8=5/6 1 2/9x 1 1/2=2 1/3 can you please check the above problems and let me know if I got the correct answers in simplest form.

### Math

The center of dilation is (0,0) and the scale factor is 7. If A(3,4), then which is the distance between A and A'. A. 5 B. 7 C. 30 <<<< D. 35

### math

Which ratio forms a proportion with 9/15? (A)6/10 (B)16/21*^* (C)36/50 (D)45/70 If my answer was incorrect don't yell at me, just correct me please.

### math

Which ratio forms a proportion with 9/15? (A)6/10 (B)16/21*^* (C)36/50 (D)45/70 If my answer was incorrect don't yell at me, just correct me please.

### math

3x^3-12x Factor Completely I forgot how to do this problem please explain it to me so i can take notes.

### Math: Geometry

2. Name four line. Segments that have point B as an endpoint. A. AF, CH, AE, BE B. BA, BF, BC, BH 3. AF, CH, AE, BE 4. BA , BF, BC, BH Please help!

What is the formula for base, b, of a triangle if the area is A and the height is h?

### Math

I don't understand how to do this. Can somebody please help me? I can't figure out how to do this, and I don't see any instructions in my lesson. Thank you in advance. (-4x) x 9x^2

### Math

In how many ways a set can be written? Two or three. I am confused please tell me correct.

### math

write each as an algebraic expression. 3m ____ 5 ~~~~~~~~~~~~~ 2 (x+ 5) ~~~~~~~~~~~~~ 4a(exponet 2) ~~~~~~~~~~~~ im majorly confused, please help omf

### Math

Given points (0, 0) and (3, 6), find the point which partitions the segment into 3:2 Please explain?

### math

please do not post links my computer can not use them How do you multiply and divide integers? thank you in advance

### CALCULUS

Please help.. ʃ (4sin²x cos²×/sin 2x cos 2x)dx That's integration of (4sin^2x cos^2x over sin 2x cos 2x) dx i've got it from the back and it has an answer from the back page of the book but i want to know how to solve it..i really need it for practicing this subject......

### Math

Jeremy got scores of 93,82,91, and 88 on his first four math test. What score must he get on the fifth test to have an average test grade of 90 for the five test ? Can someone explain step by step. Please

### Forgot my book, need science help!!

Please help me I have a whole section to do over the weekend and I forgot my book! Please help!! You'll need to post a question in order for a science teacher to know what kind of help you need. Biology? Chemistry? What? And what is/are the question(s)? Just remember -- the ...

### math fractions

•math - Ms. Sue, Sunday, November 16, 2014 at 12:39pm 12 •math - bob, Sunday, November 16, 2014 at 12:56pm Ms. Sue can you tell me how you got that answer please. •math - Ms. Sue, Sunday, November 16, 2014 at 1:09pm Multiples of 6: 6, 12, 18, 24 Multiples of 4: 4, 8, 12...

Okay I'm DESPERATE. Can somebody please tell me what n^3-64 divided by n-4 is? And for x/x+2 - 4/x-2 - 1 is the answer 2(-3x+2)/(x-2)(x+2) see above. helpppppppppppppp me i am failing your fat

### Physics Lab

Can someone please help me? I need some ideas, I am totally stuck...I posted as the same name as I am now! Please! thanks

Would you please look on page 2,under Cultural Diversity and help me with the question I had asked earlier? Thanks!

### SCIENCE

wat are 2 ways newtons 3 laws of motion apply in volleyball!!! please help i looked everywhere!!! please I NEED THIS BY TOMORROW!!!!!!! thank you

### SOCIAL STUDIES

How large was Alexander's kingdom in Macedonia? What distance? Please give a number using miles or kilometers please!?

10 places, 10 foods, 10 animals, 10 things, 10 people, and 10 games with double letters PLEAse!!! I don't have much time

### English

(telephone call) Hello. May I speak to Tony? 1. - Who's calling, please? 2. - Who's speaking, please? (Which one do we have to use? Are both OK?)

### calculus

please help! Find an equation of the tangent line to the curve at the point (-1, 1). y = 5x3 - 6x. y=? ...............i keep getting y=x+2 and its wrong. can someone please help?

I have been out of school for a long time and not understanding these questions. Please help why is 5^0=1 can you explain when (-3)^n is positive and when it is negative.

### chemistry

Could someone please tell me how to solve this problem: A pressure of 25.7 inHg would be how many kilopascals? Could you please list the steps on solving it. Thanks

### Please can you help me (Probability)

Whether multiplying the same number to each value in the data set will affect its variance, please can you gave me an example. Thank you for your help.

### geometry

show that (-3, 1) and (3, -1) and (1, 3) are the vertices of an isosceles triangle. find its area. please include explanation. this is really frustrating please help. thanks alot! :)

### algebra 2

check my answer please find the number of zeros(x-intercepts) y=3k^3-6k^2-45k=k(3k+9)(k-5)= k(3k^2-15k+9k-45)=k(3k^2-6k-45) or should i do it 3k(k-5) (k+3)=3k(k^2+3k-5k-15)=3k(k^2-2k-15) which on is the right one please let me know.thanks

### science

Ecological ________ - normal, gradual changes that occur in the types of species that live in an area. Help please and help me fast please!!!!!

* JJ Thompson * what was he credited for discovering the cathode ray tube? * How does his experiment relate to electrostatics? >>PLease help me!!!! :)

* JJ Thompson * * what was he credited for discovering the cathode ray tube? * How does his experiment relate to electrostatics? >>PLease help me!!!! :)

### Science

What are the affects when posting warning signs where there is a history of wildlife collisions. Please explain using jot dots please .

Can someone please explain to me what I need to look for with possessive nouns I have a tough time with all that stuff

How do i work out the mass of a flywheel. I am given the density as 7500kg/m3, a 500mm diameter and a 10cm thickness. Please help

### Language arts

How does the theme of raymond's run and An hour with Abuelo relate? Can you please help me Im having a hard time idk why but please and thank you.

### maths

A fraction a / b can be expressed as a terminating decimal if b has no prime factors other than A) 2, 3 B) 3, 5 C) 2,5 D) 2,3,5 Please choose from the option and please show your work.

### Social Studies

I have absolutely NO IDEA how to solve this problem!!?! Please help! Answer the following question: Sometimes people say “Give 110% of your effort.” Is it possible to give 110% of your effort? Is there ever a situation where you might have a percent over 100? If no, ...

Hello, I'm having trouble doing this math geometry someone help me please? Thanks: Calculate the area of the trapezoid which is not drawn to scale. It is not a regular trapezoid! It looks like a rectangle and when you get to the top cut the rectangle and make the part you cut ...

The team practices in a pool that is 25 meters long. Sam completes a lap in 22.5 seconds. How long will it take Sam to complete a lap in an Olympic-sized competition pool that is 50 meters long if he swims at the same rate in both pools? (A lap consists of swimming from one ...

### Math Models

The scores on a standardized test are normally distributed with the mean of 750 and standard deviation 70. Find the probability that a score is more than 890. This is from my Math Models class. I am not taking Statistics. Please someone show me how to do answer this-I don't ...

i have a question on a math problem, please#1 explain why 7*8 is not a number sentence. Next question is write two true number sentence. thank you!

### Math

Okay i think i understand this wrod problem but i need help this is the problem: keith weighs 200 pounds. He wants to weigh less than 175 pounds. If he can lose an average of 2 pounds per a week on a certain diet, how long should he stay on his diet to reach his goal weight?? ...

The largest Ferris Wheel in the world is the London Eye in England. The height (in metres) of a rider on the London Eye after t minutes can be described by the function h(t) = 67 sin[0.2094(t-30)] + 70 Using this equation i'm supposed to find the diameter, the maximum (top of ...

### Chemistry

three separate questions 1. An empty graduated cylinder weighs 82.450 g. When filled to 50.0 mL, with an unknown liquid it weighs 110.810 g. What is the density of the unknown liquid? 2. It is valuable to know that 1 milliliter (mL) equals 1 cubic centimeter (cm^3) or cc.). ...

### Math, Algebra

Can you please help me! I solved it, but I'm not sure if I'm right. ------------------------------ Paulo pays \$45.99 per month for unlimited calls, with additional charges for text messages. His bill for 4 months is \$207.96. If he sends 100 texts each month, how much is he ...

### Math

What do we call the numbers that cannot be arranged into 2-row arrays? The question begs for amplification. An array usually contains a set of some sort. There is not a hint in your question of what the set is. My math homework question asks - exactly as stated - What do we ...

Please double check me Find the median of the following set of numbers 47,20,52,35,58,57 a. 49 1/2 b 47 c 48 1/2 d 52 Answer: a Which of the following numbers are integers? 2/3, 35, 0.093,-650, 42.5 a 0.093 and 42.5 b 35 and -650 c 2/3 d -650 answer: c

Please double check me Find the median of the following set of numbers 47,20,52,35,58,57 a. 49 1/2 b 47 c 48 1/2 d 52 Answer: a Which of the following numbers are integers? 2/3, 35, 0.093,-650, 42.5 a 0.093 and 42.5 b 35 and -650 c 2/3 d -650 answer: c

### math

Please, help me to solve this problems by Cramer's rule Question number : 1. 5/x + 3/y = 19 2/x + 1/y = 7 Question number : 2. log x + 2 log y = 4 2 log x - 3 log y = 1 The Answer for number 1 : D = -1 Dx = -2 Dy = -3 The answer for number 2 : D = -5 Dx = -14 Dy = -3 Please, ...

### math exam tommrow review

the mean score on a math test taken by 15 students was 82%. one more student takes the test late and earns 93%. what is the new mean score? please show work

### algebra

please help me i'm close to having no hair left. How do you rearrange 6y = 9 - 3x to make x the subject i've been at this now for at least 1 week and this is my last resort please please help you have been at this for at least 1 week ?? 6y = 9 - 3x (add 3x to both sides) 3x = ...

### Math

I usually have big problems with word problems but here it goes: On his twelfth birthday, Ben was 4 3/4 feet tall. On his thirteenth birthday, Ben was 5 3/8 feet tall. How much did Ben grow between his twelfth and thirteenth birthdays? 5 3/8-4 3/4=3 feet Can you please tell me...

### Science

Can any one please please help me with popcorn experiment homework? The materials and 1 pack of Orville and 1 movie theater popcorn and let say the timing for both were 4.5 minutes. 1- what is the variables would you need to keep constant(control) in you experiment? Please ...

### English

1. You should turn off the computer and go to bed now. 2. Ten more minutes, please. 3. Give me ten more minutes, please. 4. Wait ten more minutes, please. 5. __________________________ -------------------------------- #2 is the response to #1. Does #2 mean #3 or #4 or ...

### math

Unless we have the specifics of the problem, we are unable to provide help. Please repost with more details. I hope this helps a little. Thanks for asking. where else can I get help to figure out a math cross puzzle. I can get some the equations to equal on one side but not on...

5. Shara's new lawn sprinkler watered a circular area with three times the radius of the old sprinkler. How many times greater was the area watered by the new sprinkler than the area watered by the old sprinkler? a)3 b)6 c)9 d)36 6.How many x-intercepts does the graph of the ...

### More Rational Exponents!

1. The optimal height h of the letters of a message printed on pavement is given by the formula . Here, h= (0.00252d^(9/4))/e d is the distance of the driver from the letters and e is the height of the driver’s eye above the pavement. All of the distances are in meters. ...

### English

1. This is all that I have now. 2. This is what I have now. (Are both the same in meaning?) 3. Please show me that he is active. 4. Please show me the fact that he is active. 5. Please show me that this is correct. (Are the three sentences grammatical?

### math

please check my answers 1.which is smallest 5/8,3/4,9/16,7/8 =9/16 2.subtract 6 3/10-4 11/15=1 17/30 3.estimate 6 1/8* 7 4/5=48 4.lcm of 20,32=160 jon spent 1/3 of his study time doing math and 2/7 preparing for history exam. what fraction of his study time remains? = 8/21 5....

### Statistics / Math

If a student is chosen at random, find the probability of getting someone who is a man or a non-smoker. Round your answer to three decimal places. non regular heavy total man 135 64 5 204 women 187 21 9 217 total 322 85 14 421 Answer in decimal (round to nearest 3) Please help...

### PHYSICS. HELP.

A motorboat heads due west at 10 m/s. The river has a current that travels south at 6 m/s. a) what is the resultant velocity? b) If the river is 200 m wide, how long doe sit take the boat to cross the river? c) How far downstream is the boat when it reaches the other side? ...

### very hard math question Help

Accoring to the info below, calculate the invoice total please show all your work and explian thanks ________________________________________ Customer Invoice ________________________________________ Stock# Quant Unit Item Uniit Price 24795 150 ea calculator \$10.63 32678 150 ...