# Math(Please help)

183,433 results, page 65

### math

solve equation then check for extraneous solution please someone explain this to me. 6/6-4x/=8+4 then one that is solve the inequality s/x+3/4<2 I don't understand these problems and then it says to graph

### math

What expression is a counterexample to the statement The whole numbers are closed under division 2 divided by 10th 10 divided by 2 Please explain to me which one is the correct

### Math

Could someone help be understand the general addition rule for probability? It says P(A or B)= P(A)+P(B) - P(A and B). But I get a different answer when I work it out myself: P(A or B)= P(A)(1-P(B)) +P(B)(1-P(A)) = P(A) -P(A)P(B) +P(B)-P(A)P(B) =P(A) +P(B) -2P(A)P(B) Would ...

### math

ok so this question is to ms. sue this question says what is the actual height of the living room whose distance is 9/20 inch on the the blue prints??? can u help me please -celeste

### math

what is the volume in cubic feet if you have a cylindrical object whic is 8' in diameter and is 16' feet long.? could you please show in detail how to figure this out? thank you

### math--please check

Change the logarithmic equation to an equivalent equation involving an exponent. log8^64=2 **note that the 8 should be lower than the g** 8^(log64)=8^2 64=8^2 is this correct

### Math Help Please!!!!

Natalie picked 135 berries in 15 minutes. If she continues picking at that rate, how long will it take her to pick 486 berries? Explain.

### math

Ivan has completed 45% of his walk. He has already walked 9 km. How much farther does he have left to walk? I don't understand how to do this. Could you please help and show me how you got this answer? Thank you.

### Math 6th grade

The base of the skateboard ramp has an area of 2.3 m square meters the height of the ramp is 1.2 m find the volume of the rectangular prism?Please help!

### Math Help Please!!!!!

The number of pounds gained during pregnancy are normal with mean=30.23 and st. deviation=13.84 Determine the percent of women that gain between 20 and 30 pounds.

### Annuity math

Calculate the future value of S of an annuity using the following formula: S =R(1+i)^n-1/i) given R=250,i=0.001;n=13 please show the workout thankyou

### heeeeeeelp math

visit this link and answer the question on screen imageshack.us/photo/my-images/17/codecogseqn1.gif/ please tell me answer also

### math

A.) graph the quadrilateral with the end points A(6,5), B(-3,-1), C(-1,-4) and D(8,2) B.) what type of quadrilateral is ABCD? use slope to justofy your answer Can someone please help me with ASAP thank you so much

### math-probability

Employees at a company are given a three digit employee identification code. If each digit cannot be repeated, how many different codes are possible? Please help.

### Math

Assume that the mean salary for a profession is $35,104 with a standard deviation of $3200. What percent of the profession earns less than $38,700? I don't understand how to do this. Please help!!

### Math

I'm confused, please help. If a quarterback had 112 positive yards and 61 negative yards what was his total yardage, should I add both together?

### Math

a restaurant charges a reservation fee of $15 for its party room, plus $21.50 per person. If the bill was $445, how many people were at the party? HELP PLEASE! IS THE ANSWER 30?

### Quick math help

Use the following information to find y: m= -3 (5,2) and (6,y) Now write the point slope form of the equation using the completed point: Please help!! Thank you!!

### math

i was doing the mean theorem for this problem: (x+4)^2 (x-3) on [-4,3] i got to: 3x^2 + 10x-8=7 someone helped me out and told me the answer was (-5 +/- sqrt(70))/(3) but i don't know how to get to there, can someone please explain to me how to get to this point?

### Math

Three minutes after take-off, and airplane is 5,000 feet in the air. If it ascends at a constant rate, what is the rate of change? Please help.

### Math: Trig

What is Arcsec(-2) equal to and how can you find the correct answer? I got 2pi/3 but it was marked wrong on my test and I'm not sure why it's wrong. Can you please explain this to me? Thanks!

### Math

This isn't very urgent but can you please break this down to me step by step? I really don't understand. I get that I'm supposed to use the order of operations but I still get lost. 2[4(9-7)+1]/3

### Math

!!PLEASE SHOW YOUR WORK!! My recipe makes 96 cookies, but I'll only need 24 for the party, what will I multiply each ingredient by to make just 24 cookies? Explain.

### 4th grade math

explain how you know that 21/30 is greater than 2/3. Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!. Also, I need a FOURTH GRADE ANSWER, nothing else, perferibly using fraction strips.

### Business Math

Find the amount due on a $300 invoice received on June 3 and paid on June 11 if the sales terms are 3/15, n/30. I can't figure this out! Please help!

### math

integral of ((1+sin(2x))^0.5)/(sin(x)^2) I tried all kind of substitution, simplification but unable to solve it.Need a hint only no solution please.

### math lictracy,life science,geography,tourism,isizulu,english,life orantation.

please tell me the job i can do while im study that subjects?

### math asap

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

Please show eighty thousand, nine-hundred twenty-three and eighty-six hundredths in standard form. My answer was 80,923.86 Thanks

### Math Asap

When adding √9 and -7, which type of number is the sum? A.irrrational B.whole number C.radical D.integer My answer is A. CAN you check please @Ms.Sue

### Math

Which measurement represents the height of the parallelogram? 3 m 4.2 m 6 m 10.2 m I'm stuck between 3 and 4.2 I can rule out 6 m and 10.2 m. But what would there be a difference if I were to choose 4.2 if it is slant height or just 3 m? Please help me.

### Math

Please check my answer. Four girls went to Friendly's. The check comes to $36. They want to leave a 20% tip. How much should each girl pay? 36 ÷ 4= $9.00 $9.00 × 20%= $1.80 $1.80 + 9.00= $10.80 each

### Math

Carter bought a pair of jeans for $49.99 and a shirt for $23.59. He received $6.42 in change. How much did Carter have originally? Should I round or subtract? Please help me!

### Math

Three picture frames are on a dresser.two are shaped like squares and the other is a trapazoid. how many sides are there in the frames altogether? Please help today

### Math

Find the number of vertices in a polyhedron if it contains 20 triangular faces and 12 pentagonal faces. a. 30 b. 32 c. 60 d. 120 * Also please show me how you got your answer, thanks

### math

Find the measure of the third angle of a triangle given the measure of two angles are 86º and xº. A. 86-x B. 90-x C. 94-x D. 180-x My answer was A. Please correct me if I am wrong. Thank you

### math please explain!

Suppose this firework is set to explode 3 seconds after it is launched. At what height will this firework be when it explodes? My equation is h(t)=-16t^2+120t+20 How do I do this?

### math

The dimension of a rectangular garden are represented by (x+7) (x-7) A. What is the area of the garden? B. It is possible that x=?how about x=-7?explain why or why not? C. What could be the value of x? I need answer to my homework now na please

### Math

if 2m + n= 7, then 9m+3n= i tried using elimination for this one too. I tried to find m m= 7-n/2 Then i plugged it into the first equation. and somehow i got 7=7 ??? CAN SOMEONE PLEASE EXPLAIN

### MATH HELP PLEASE

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) !!where ever you see 2 it's supposed to be a squared sign!! X2+y2+z2=9 3x2-y2-z2=7 Y2+2z2 =6

### Math

A ball is thrown from a cliff. This is modeled by the eqn h=-5t^2 +5t+210 How long does it take the ball to reach a height of 60m? I don't understand how to find this, please help.

### Math

A running tap dispenses 0.15 gallons of water every second. How many pints of water is dispensed after 20 seconds? Please show me how to get the answer.

### Statistics

A math department is allowed to tenure 4 of 17 eligible instructors. In how many ways can the selection for tenure be made? Please show more than one approach.

### Math

In Wilbur's math class, his grade is based on the average score of six tests, each worth 100 points. Wilbur always worries about his grade. He knows that his average on the four first tests is 88.5. What is the lowest average he could get on his next two tests and still ...

### EARTH SCINECE PLEASE HELP PLEASE

i have to do a packet and i cant under stand it. it says ' sea level 10 degrees = 1 atmosphere and then i have to do tropopause ,stratapause and mesopause and the rest of it says . an atmosphere is a unit of air pressure . 1 atmosphere =average air pressure at sea leve under ...

### math

a^2 + 4a + 4 = (a+2)^2, so it is a square I don't understand why is this square, please help

### Math

Please explain ... What percent of 60 is 72? 35 is what percent of 20? Thank you!

### Math(Please help)

Solve log3 x + log3 8 = 4

### basic math

question 1 x/32=7/8 and question 2 y/12=5/0.6 please help

### Math

Simplify 5x-10/x^2-4x+4 Please help me simplify, I am at a loss. Thanks!

### math

3/4-1/3z=1/4 5/6c-2/3c=1/3 please show step by step Thanks!

### math

Please, help me solve this. log[2]x * log[2](x/4) = 8

### Math

If 20% of a number is equal to 3x, then the number is. Please help thank you

### Math

Which is bigger 4 1/5 or 4 2/10 I thinnk that 4 2/10 is bigger help please thanks

### math please help me

6x + 4(2x + 3) = 34 + 3x 6x + 4(2x) + (4)(3) = 34 + 3x 6x + 8x + 12 = 34 + 3x 14x + 12 = 34 + 3x 12 = 39 + -11x -27/-11 = =11x/-11 2.45 = x

### math(please help me solve)

solve the equation for c. c/3=4

### math Help Azap!!!

What is the value of a? 9a-3(a-6)=-6 a= HELP AZAP PLEASE

### Math

For every 52 of something there are 12 of something. Please help!!! Thanks

### Math

Solve this equation for x. ab+c/xy = 3d/4 How do you solve this? Please help.

### Computer Club Ideas (please read)

Is there any sites for middle or high schoolors can do for computer clubs like any sites on making fun videos or movies, making amnination, putting drawing into computers to make your own comic books (girls and boys), ways to make a websites or a video yearbook. Please this is...

### math please help

Chris can be paid in one of two ways. Plan A is a salary of $450 per month, plus a commission of 7% of sales. Plan B is a salary of $681 per month, plus a commission of 4% of sales. For what amount of sales is Chris better off ...

### business

please could someone explain to me what the 4 factors of the marking mix are. I searched for marking mix and found nothing. Please check the spelling and repost.

### Physics - Satellites

Could someone please tell me the advantages and disadvantages of satellites in an equatorial orbit? Please DON'T tell me to go google it because I already have and cannot find it.

### Chemistry - please help!

How do you do the simplified structural formula and full structural formula of ester? I'm really struggling,please help! e.g.methyl ethanoate/propyl methanoate

### info. please

Ms. Sue where can I find a cuban story to relate my work. Please let me know. It is difficult for me to do the korean-american. I trying to see if I could do the Cuban-american

### Reading

Can Some One Help Me Unscramble These Letters To Make One Word!!! These Are The Letters, crpesaymu Please Help Me If I Don't Get The Answer Then I Am Gonna Fail ELA So Please HELP Me!!!!!! :)

### Career

But please just give me atleast some very good suggestion!! I am really confused !! Please give me some topics Thank Yoou !!

### Algebra

Can someone please show me the steps to this problem? I get 0,1 as proposed solutions, but I am not sure about the 1. Thanks Please solve and check all proposed solutions (x-2)/(x-1)+(2)/(x^2-1)= 0

### psychology

I NEED HELP ON THis WORLDS PLEASE i need the definition please 1. Performance goals 2. Mastery goals 3. The effect of praise 4. Expectations and self-efficacy

### psychology

I NEED HELP ON THis WORLDS PLEASE i need the definition please 1. Performance goals 2. Mastery goals 3. The effect of praise 4. Expectations and self-efficacy

### maths please answer NOW!!!!!

solve algebreically the equation cos2x=1-sinx also cosx=cosx-1 and please also sin2x=3sinx

### english

what are the elements of plot, i have to analyze a short story using elements of plot , and when i did my essay i failed it , so can anyone please help me please i will really appreciate it

### English-For Jiskha Tutors

Can some of you please take a look at my previous English posts. They are all on this page, and I need all of them to be checked. Please and thank you:-)

### Spanish 7th grade-Please check

Please check. How would I say "I feel like drawing. Would it be: Yo tengo ganas de dibujar.

### Business

Please explain what is global warming?. And How Do Business Enterprises contribute towards economic growth??? And Please Name Me The Socio-economic issues

### mathURGENT!!!!!!

for which integers will the square of the integer decreased by twice the integer produce a difference of less than 4? please answer and explain how you got the answer...please????!!

### PLEASE HELP!!!!

((cotx+cscx)/(sinx+tanx))=cotxcscx Please prove left side equal to right side, only doing doing work on the left.

### literature

How does the meter in this line emphasize this use of alliteration?What kind of figure of speech is used in this line? Here is the line-- And the sheen of their spears was like stars on the sea Please help I do not understand this at all Please

### physics

please help. a pitcher throws a .50kg ball of clay at a blck of woo. the clay sticks to the wood on impact, and thier joint velocity afterwards is 3.0m/s. what is the original speed of the clay. please help with this question

### Algebra

I posted this earlier 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 :) No one ...

### *English-Please Proofread my essay ASAP*

Could you please proofread my argumentive essay, check for fragments and prounoun use. Thanks! Is Beauty Really Skin Deep?

### Health care please check answer

Please check my answer thank you Verifying the accuracy of HCPCS codes is an important function in what ? I think that it is maintence of chargemasters

### geometry

please help find answer. very urgent. triangle PQR is a 30-60-90 triangle with right angle Q and segment PQ as the longest. Find the possible coordinates of R if (2,6) and Q (2,-6). please help

### physics

please help find the resultant of these two vectors: 2.00 * 10^2 units due east and 4.00 * 10^2 units 30.0degrees north of west please show me step by step how to do this thanks for any help!

### chemistry

hi Dr Bob..can you please help me with this chemistry problem? I got problem dealing with the chemical formula.How i want to find the number of moles of 2g of Fe(NH4)2(SO4)2.6H2O???please help me.Thank you

### Physics

PLEASE HELP!! The x and y cooridinates of an object are given by x(t) = 10t + 5t^2 + 3t^3 y(t) = 20t - 10t^2 + 2t^3 where x and y are in meters and t is in seconds. How fast is the object traveling at t = 1 s? Please explain in detail how to do this problem. Thanks

### Algebra II

Could someone please help me or direct me where to get help What is the exact value of cos 60 as found on the unit circle? and the value of cos 5pi/3 Please show me the steps so I understand Thank you

### Physics

Can someone please tell me how to calculate the standard deviation of the following values? 0.985 0.985 1.005 1.455 1.035 And please for the following numbers too 1.47 1.52 1.50 1.45 1.39

### English

Can you please chec this question, please? Thank you. 1. Write briefly what Italian teenagers like wearing at the moment. Then refers to what sort of clothing you like wearing

### calculus

Determine the quadratic function f, whose graph is given. **The graph given is (0,-2) and (3,-11) The vertex is (3,11) and the y-intercept is -2 So, f(x)= **Please help me understand how to do this question. Could you please show work?**

### calculus

can someone please help me find all the zeros of the following polynomial. write the polynomial in factored form. f(x)=x^3-3x^2+16x-48 can you please show all work

### Physical Science- Balance Equations

Hi! Can someone please balance these equations, please?! I'm having major trouble! Thank you! HCl (aq) + NaHCO3 (aq) ¨ HBr (aq) + NH3 (aq) ¨ LiHCO3 (aq) + HI (aq) ¨

### science and english only for ms sue

what the steps to the water cycle and what is the writing process and what the steps for 7th grade and please help me as soon as possible please ms. sue...

### Social Studies-Please Help

Which of these nations has the highest population density? A) China B) Indonesia C) Mongolia D) Japan Is the answer japan or china, I'm not sure, can someone please help? Thanks! (=

### history

Hi. I know i asked this already but can someone please please just give me a straight answer. I have to write a 5 page paper on wheter or not charles G. Finney believed that the first amendment's clause about the free practice of religion be amended in any way Thank you for ...

### science

Can you please tell me where is the sun in our galaxy? Also, some binary stars are called eclipsing binaries. Explain why this term is appropriate. (it gives a hint, saying: think about Algol as you come up with an answer.) I don't get it... Please help :) Thank you very much!

### PHYSICS PLEASE

Identify the action-reaction pairs in the following situations. (a) a man takes a step (b) a snowball hits a girl in the back (c) a baseball player catches a ball (d) a gust of wind strikes a window WE DIDN'T LEARN THESE PLEASE GIVE ME HELP/EXAMPLES

### art-please help

I have spent a lot of time researching and I can't find this. I wrote a paper about the mona lisa and the last supper. I need a sentence from each that tells how they reflect or define the dadaism period. Can someone please help with one or point me in the right direction. ...

### Chemistry

In the haber process for the preparation of NH3 which is given by the equilibruim? N_2_(g)+3H_2_(g) <---> 2NH_3_(g)...... delta H= -92.38kJ State the conditions of concentrations and temperture that will favor production of NH_3_? Please help! would it be high ...