Math(Please help)

183,433 results, page 39

math

Find the perimeter of a right triangle with legs of 20 cm, and 21 cm. a.882 b.82 c.70 d.47 I have no clue what to do. Can somebody help me with this please?

MATH

IM CLUELESS PLEASE EXPLAIN IM GONNA TAKE A TEST THANK YOU 3A2B+2A2B2AND-AB2+A2B2?

Math

I need some urgent help with two simultaneous equations urgently please...Show working. 3a-b=9 2a+2b=14

math

y=-7/10x-10/7 find the slope and y-intercept can someone please hlp, and explain how you came up with the answer

math(Please help!!!)

In acute triangle ABC, segment AD is an altitude, the measure of angle ADB=2x^2+40, BD=9x-3, and DC=6x+15. Find BC.

math(Please help Urgent!!!)

In triangle ABC, D is the centroid and M is the midpoint of segment AC. If BD=10 and DM=2x+1, find MB. Answer choices: 2 , 9.5, or 15.

math(Please help Urgent!!)

In triangle ABC, D is the centroid and M is the midpoint of segment AC. If BD=x+9 and DM=6, find MB. Answer choices: 9 , 3, or 18.

math

keep trying to solve this one but canceling out x. i know x=-2 but i'm not quite sure how to get there in steps? 5^(2+3)-5^(x+2)=4 please help!

math

Can someone please check my answers? Thank you! 1. is (-8,-9) a solution of 2x+4y=12 No 2. Solve using the multiplication principle. -1/2x=-9/10 answer: 9/5

math

Please help. the question is: Estimate the quotient. Tell what compatible numbers you used 817 divided by 4

To Happy --

Please repost your math question -- and remove Ms. Sue's and my screen names from YOUR NAME'S space. Thanks. =)

math

please answer this question? Round off to the nearest half hour:14 hours and 54 minutes.

6th grade math

i need some help with determing surface areas of rectangular solids please. thank-you

Math

Please help with this problem! What is the positive three-digit integer that is four times the product of its digits?

math

5 coins are dropped on the floor. find the probability that they will all land heads up. please help me solve!

Advanced Math

Find the principle root (-64)1/6. Express the result in the form a+bi. (2i)^6= -64 = (-64)1/6= 0+2i I got it wrong, please help.

Math

Calculate the distance between the points -2/3 and 3/4 on the number line. Please show how you come to the answer.

math

Find all the zeros of the function. t^3 - 3t^2 - 15t + 125 Please explain. I am very confused on how to do this!!

Math

use the properties of logarithms to simplify the logarithmic expression. log10 (9/300) Please explain!!

Math

Can someone please explain this question? What would be a brief scenario of a continuous probability distribution? Thanks for your help.

math

Find the first and third quartiles, Q1 and Q3, of the following set of numbers. 13, 5, 12, 16, 7, 14, 7, 3, 10, 7 i don't know how to figure it out can you help please. thanks

math

I am changing measurement to the given unit. I need to change 14m to kilometers what is the answer?help please

math

Rewrite the equation so that y is a function of x: 1. 1/2(y+5)+4x=3x 2. Use the result in Ex. 1 to find y when x= -1, 0, and 2 __________ Can you please check if this is right? 1. y=-2x+4.5 2. f(-1)=-2(-1)+4.5 =6.5 f(0)=-2(0)+4.5 =4.5 f(2)=-2(2)+4.5 =0.5 Thanks!

To Mia

Please see the answer to your question below. The math tutor may be able to help you if you respond to his post.

Math

I have a real big problem. I am not suitable for Algebra! So, could someone please explain how 5x=54+7 equals 4 o.O

Math, please check answer

Find the midpoint of the line segment having the given endpoints. ( 2, 6) and ( 7, 3) M 9/2,9/2

Math

I am having trouble finding a pattern or linear equation for this table x y 1 -1 3 3 5 7 10 ? 50 ? 100 ? Could someone help me please?

math

operations on functions: Given f(x) = 2root x+7 and g(x) = 5x^2 – 9, evaluate (f/g)(2) . I don't understand how to do this, can someone please explain the process??!! thanks!

math HELP SOON!

Write each ratio as a unit rate. 6 eggs for 4 people. "Please help, it is very confusing to me."

7th Grade Math

Find the area of the circle described. Use pi= 22/7. Diameter= 1.4cm Please help!

math

0.3x-0.2y=4 0.5x+0.3y=-7/17 Can anyone Please help me solve using the elimination system..... Someone tried to explain it but I still do not get it at all

MATH

can some one please help to solve this problem. Add. reduce to lowest terms, if possible 3/y+3+y+7-y-9+/7/y-3

math

name the transformation that turns a figure around a point please help asap it is due tomrrow

math

I've to solve 3x^2 + 6x +3 =0 by factoring. Thus, after solving I got the answer as 3(x + 1)^2. Please correct me if I'm wrong.

MATH/OPTICS

given di=145, do=38,hi=-97 formula: hi/ho=-di/do how do i rearrange this?? i do not want the answer. need help rearranging equation please help!!

math-please help!

Use the properties of lines to parallel solve the problem. If p ðF q and mÚ8 = 52‹, what are the measures of the other angles?

math

How would you simplify this rational expression: Can you please show me the steps on how you get the answer thank you. 2y+1 over y-2 times (4-2y)

Math

What is the relationship of the two lines with the equations -3y=x-6 and y=3x+1? I am very confused. Please explain how you got your answer!

Math help please!!!

Factor completely 3p^2q + 9p^2q^2 - 12p^2q^3 I have done the following: 3p^2q(1+3q-4q^) but then i get stuck..not sure if that's the final answer..

Math please help asap

Solve using elimination.......answers must be in ordered pair form 0.3x-0.2y=4 0.4x+0.5y=-55/17

Math

Please I need to solve this problem Use the elimination method 0.3x -0.2y=4 0.5x + 0.3y=1 Plesae help I am competely lost!!!

6th grade math

Why is the best- the mean or median- to use when planning a trip? Why? HELP PLEASE! I'M STUCK!

math

can you answer this as soon as possible please just find the lcd of this rational algebraic expression 3x/x-4,2x/x+4

Math

An experiment has three possible outcomes: A,B, and, C. If P(A)=P(B) and P(C)=2P(A)what is the probability of each event? Hint: We know that in this case, P(A)+ P(B)+P(C)=1; therefore,P(A)+P(A)+2P(A)=1 Please Help :)

Math

I don't understand how to solve equations with logarithms very well...can you help please? here is one im stuck on: log (3r+5)= 5 2 Thanks!!

Math

how would you simplify log10^x3 ? i tried the examples from the book, but it just confuses me. someone please help.

Statistics/Math- Please Help

When comparing two independent population means, how do I find the degree of freedoms?

math

if an equilateral triangle has a perimeter of 24 inches, what is the length of each side and please explain why because i don't really understand this! help!

Math

simifly. Use the commutative associative and distributive properties. 1. 175 + 37 + 25 2. 50(11 x 2) 3. 12/(99 can someone explain to me how to do these please?

Math

Solve by using the multiplication principle -2x> 1 over 9 I have tried this problem and can get no where with it can someone please help me????

MATH I NEED HELP PLEASE!

DETERMINE THE SUM OF THE FOLLOWING GEOMETRIC SERIES A. -1/32+1/16-...+256 B. 50 over Σ 8(.5)^n-2 where n=1

math i need help please

determine sums of following geometric sequences... A. -1/32+1/16-...+256 B. 50 over Σ 8(.5)^n-2 where n=1

math

write the following in a sigma notation 3/32+3/16+3/8+...+12288 so far ive gotten that a=3/32 and r=2/1 can you please help me further

pre-algebra-math

two fractions equivalent to the given factor 18/21 and the other 3/27:) please helpp

Math(Please check)

Find the derivative of f(x)=1/3 sqrt x. The 3 is little above the square root. I know that it is -1/3x^-4/3. Can this be written as -1/3x^4/3 ?

3rd grade math hw help!

Please help! Name three ways the Roman and American coins are alike? Thanks.

Math

Principal is $1,800. Rate is 10%. Simple Interest is $360. What's the time? Please show how you go to this answer.

math

Could someone please describe two main differences between classical and empirical probabilities.

math

HELP ME PLEASE!!!!! Convert to an improper fraction. Type in your answer with the negative in the numerator. -11 1/3= I have NO clue how to do this!?

math

I don't understand the rules for adding and subtracting postive and negative ,can you please explain it to me? im having a test

math

a circular coin has radius of 8.2 what is the circumference rounded to the nearest tenth? please show work

math algebra..help please urgent! due in 20mins

how to divide and simplify 12x^3-22x^2-44x-16/6x+4

Math(Please help)

f(x,y)=x^2 e^2x lny (2,1) I need to find the partial derivatives with respect to x and y. I have not idea how to do this especially with the (2,1).

math

2 questions please 6x<2x+24 also express 792 as a product of prime number in index form

Math

Find the limit of ( n(n+1)/2 )^2 * 2/n^3 * 2/n as n goes into infinity I keep on getting 1, which is the wrong answer. Please help!

math

please let me know the probability that in five tossess, a coin shows heads at least 3 times in succession?

Math

solve for x, where x is a real number. (x^2)+3x-4=14 Please show me the steps im missing one and i cant figure out what

Math Algebra 2

m1v1 + m2v2=(m1+m2)v3 find m1 If you could please explain it too or show the steps I would appreciate it.

MATH HELP PLEASE

What is the smallest positive integer by which 180 should be multiplied to obtain a perfect square? Thank you

Math

Let f(x)=sinh^−1(6x). Then f(x) can be written in the simplified form (Ax+B)/(sqrt(Cx^2+D). What are the values of A,B,C and D? Again, please show me how to do this. Thanks

MATH

multiply 138* 29/46*7/9 give answer as a whole ormixed number????? this is a foreign language to me please help!!!

math

e.) 22, 344,579.06 a.) 1, 333.8 c.) 4.44 b) 2.97 d) 2.05 can you please put this in order from least to greatest in decimal form

Math

e.) 22, 344,579.06 a.) 1, 333.8 c.) 4.44 b) 2.97 d) 2.05 can you please put this in order from least to greatest in decimal form

math help me please!!!!!!!!!!!!!!!!

luke added 429+699+314 and got 950 is this sum reasonable?

Math

Calculate the number of grams of dextrose in 250mL of D5W. I know that the answer is 12.5g, but I do not understand the work. Please help.

Math 7 Help! (last qs.)

Name some situations in everyday life where positive and negative ingeters are usaful ____________________________________________________________________________________________________________________ I DON'T GET THIS!!?!??!?!? Please help me! Thank You! :-)

MATH

DESCRIBE THE ANGLE SUM THEORY AND HOW THE FORMULA WORKS. HELP ME PLEASE I NEED TO STUDY FOR A TEST

Math

How do you turn 11/12 ( a fraction) into a percent?? Help please its homework due very soon!!!!!! Thankz.

math

Solve -3(x-10)>-x+5. Write your solution using set builder notation. please show work

Math

Find two lines passing through (-1, 1)which are tangent to the ellipse x^2-4x+y^2+3=0. Please write out how to get there. Thank You.

math

For the function f(x)=-2x^2-6x-7 find: a) an equivalent equation in the form f(x)=a(x-h)^2+k b)the maximum or minimum (also decide which) please help and thank you

Math

IN a square with each side measuring 6inches what is the ratio of the perimeter to the area? Please show work for this!!

Math help please

(This homework question was removed due to a copyright claim submitted by k12.com.)

Math

I've been working on this function for quite awhile and just can't seem to get it. Inputs x 5, 6, 7, ? Outputs y 50, 72, 98, ? Please help!

math/algebra

Find the quotient and remainder when the dividend is 262 and the divisor is 11. Please show work

math/algebra

Please show work Find the quotient and remainder when the dividend is 262 and the divisor is 11.

physic please check answers test tommoro

bobpursley did i do the math problem right if not could u do it for me .thanke

Math

Simplify x^2 - 9x + 18/ x^2 - 6x + 9 for all values of x for which the expression is defined. A. x-3/x-6 B. x-6/x-3 C. x-1/x+9 D. x+9/x-1 Please explain how you work this problem in detail. Thanks.

Math

What is the length of a segment whose endpoints are (5, -8) and (9,2). Please explain to me what the formula or rules for working this problem.

Math

Use the method of substitution to solve the linear equation! 6a=6-b 6a=5-b please help I don't get it it needs to be an ordered pair.

math

Really need help please!! triangle CDE has vertices C (-2,4) D (6,2) and E (-4,-2) determine the exact location of the centroid

Math, Pre Calc

Given that (+-2) and i are the roots of a 4th degree polynomical, find the equation. Please help! Thank you:)

MAth

I keep getting -28/19 for this problem, but it doesn't check with the solution in the back of the book. Help please.. solve the equation 7d-(1/2)(2d-4)=(-5/4)(d+4)

Math

how would you find the inverse function of a problem when you have a squared number like f(x)=(x^2-4)^2 PLEASE HELP

Math Help!

What is the scientific notation of 95? Please give a simple explanation! Thanks, sorry i keep posting this question!

Math

24 (6-)-1 divided by-5. There is a big space between the 24 and the -6. I don't know if I multiply 24x-6 or do I multiplying-6x-1and then times it by 24. Please help

Math

Find the slope of the tangent line to the curve 0x^2−2xy+2y^3=10 at point (-4,1) Help please? Thanks in advance

math help please

Solve the following system of equations using substitution. What is the value of y? 2x + 3y = 105 x + 2y = 65 A.15 B.25 C.40 D.65 I think it is B??

7 th grade math

Input 1 2 4 5 10 12 Output 3 5 9 11 21 25 What is the rule for this function ? If adding add what tried 2 Need help please

7 th grade math

Input 1 2 4 5 10 12 Output 3 5 9 11 21 25 What is the rule for this function ? If adding add what tried 2 Need help please

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