Math(Please help)

184,813 results, page 36

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

Geometry

URGENT PLEASE HELP please help me understand how to draw a net, am i supposed to memorize these or is there a method for drawing nets for different shapes.

science

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

Physics *Electrical Scientist* 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!!!! :)

Physics *Electrical Scientist* 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!!!! :)

Literary terms

PLEASE HELP!!!!!! Please give examples for the following: 1. Satire 2. Parody 3. Pathos 4. Bathos 5. Rhetoric 6. Logos 7. Ethos

Science

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

english help 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

Maths- Please help

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

How did Augustus change the Roman Republic?? Can someone please help me?? can you give me some tips or a link for information please??

history

Could someone please tell me how the second president of the US, John Adams, lived prior to the war please? God bless you.

Algebra

Which equation matches the statement "The product of 3 and the difference of a number and 10 is 15?" A. 3 + (x-10)=15 B. 3x-10=15 (My answer) C. 3 (x-10) = 15 D. 3 x/10 = 15 Can you please check to see if I'm right? If I'm not explain, please and thank you

Math

I am trying to help my son in Algebra, the only thing is that I have forgot some of these thing.He has a word problem I can not figure it out please help a mother help her 9th grader. Q- The polygons below are similar. Find the unknown side lengths if c=24. Each measure is in ...

Math

please help me I am not really sure about this please check answer thanks :) Mary has decided to purchase furniture. She has 2 choices she can pay the full amount of $4,200.The other choice is to finance the furniture for two years with an installment loan. The loan requires a...

math math

Given the linear equation , find the y-coordinates of the points (-6, ), (-3, ), and (3, ). Please show all of your work. Plot those points and graph the linear equation.

math math

Given the linear equation y=2/3x+1, find the y-coordinates of the points (-6, ), (-3, ), and (3, ). Please show all of your work. Plot those points and graph the linear equation

Math - Help! ASAP

8. a) Estimate 51% of 162. First, we can multiply. So, 162 x 51% = 82.62. We round it, which will be 83. b) Use mental math to calculate 51% of 162. If we round 51%, it is close to 50%. So, in that case, 50% of 162 is 81. Did I do this right? Please help me! Thanks!

Math

Determine whether the equation defines y as a linear function of x. If so, write it in the form y = mx + b. Can someone please break this down to someone who's terrible in math. 6x-9y^2+8=0 a. y=6x+8 b. y=6/9x-8 c. y=6x-8 d. y=6/9x+8 e. y is not a linear function on x.

Math

Hello. I'm not a native English speaker. I have a math assignment and I need to explain the process of this equation. y=14.2x+19.3 542 = 14.2x+19.3 542-19.3 = 14.2x 522.7 = 14.2x x = 36.8… I don't know how to explain this in English, can anyone please help me? ;(

Social studies lesson 8 unit 5 Canada test

Someone please help i need the answers to this connexus test. I am stuck on it and this is my last chance to stay in online schooling, I don't want to go back to public school I am half way to failing and this is my last chance to stay in connexus. I have anxiety and cannot ...

math

Please give me the technique (short method) in this question... How many 4-digit numbers are multiples of 9?

Math

What formula do I need to use to find the missing length of right triangles? Please help. a^2 + b^2 = c^2

Please Help (Math)

You have to simplify each expression: 1/R+1/T multiply the first term by t/t, and the second R/R You should then get... (T+R)/RT

Math

I need to know how to answer this. 7-8b where b=-3 Please help. I have two different answers Substitute b and solve: 7-8(-3) 7+24 (-8 x -3 = + 24) 31

Math

I do not quite understand how to do this. COuld someone please help me? What values for x must be excluded in the following fraction? x+5/-1

Math

can someone please answer this quetion 25= y - 4 What does y stand for, the line in the middle of y and 4 means to divide

Math

I'm trying to help my daughter that is in the 6th grade, but I have no idea what a variable is, please advise.

Math!!

for my project i have to make a slogan or a catchy phrase for the word circle please HELP!!!!!!!!!!!!!!!!!!!!!!! thank you!!1

Math

please tell me what to do to get the answer thanks :) The monthly payment on a $90,000 mortage at a rate of 7.5% for 30 years

Math

What are the factors of:60,63,56,85,106,40, please i need these answers NOW!! IT'S DUE TOMORROW!! I BEG OF YOU!

Math

Find the value of "s": s = 1^2 - 2^2 + 3^2 - 4^2 + ... - (2006)^2 + (2007)^2 Answer: 2 015 028 Help me solve it, please?

math

please this is the last problem i have to do and i just can't get it thanks for anyhelp Which of the ordered pairs is a solution for the equation 2x – 5y = 10? (0, 2) (–5, 0) (–5, –2) (0, –2)

Math

solve: y(squared)-144=0 please help, for like the other one, i have this on my final too. Thank You!

math

What is the value of y if y=cos(Arc sin 1/2)? How can I solve this problem? Please help and explain! THANKS A LOT!

Advanced Math

Find the values of x for which the equation sin x = -1 is true 2 pi n pi/2 + 2 pi n pi + 2 pi n 3 pi/2 +2 pi n Can someone please help. I don't understand how to do this.

Math 116 algebra please check

Solve by the substitution method 3x + 7y =15 x=16-6y What is the solution of the system (-2,3)

Math 116 algebra please check

Solve using the multiplication principle -4x > 1/11 The solution is x<-1/44

Math 116 algebra please check

Solve by the elimination method 3r-7s=-28 7r+3s=70 What is the solution of the system r=7 and s=7

Math 116 algebra please check

solve using the multiplication principle. -5/6x = -7/8 Th solution is x=21/20

Math 116 algebra please check

Use the distributive property to help you solve the equation 7(w-5)=21 w=8

Math

Add parentheses so that the equation is correct.... 7+9x3-1=25 Will someone please help me out here. Thanks!!

math

one half gallon equals ----- quarts. i think it 2 gallons can you correct me please?

math

geometric rules using symbols are called _____________. Please help me fill in the blank.

Math

can you please help me solve this quadadratic equasionby factoring : x^2-8x+16 would this be the right way 8x^3+16 to start

geometry

I don't get math and i fail at it..i try really hard to make 100% but i cant..can anyone help me?tutor me?please?

math 117

How to do you Put in scientific notation (400)*(3000) Solve a^m*a^g please help I do not understand!!!:(

math 117

Putting in scientific notation (3000)(20000) 6*10^7 Solving (3*10^5)(7*10^3) 21*10^9 Is this right, please help

double check me please. math 012

4(5-w)=-w _________ 3 this is a fraction with 3 being on the bottom. do you come up with w=20? thanks

math

If you are looking at a graph of a quadratic equation, how do you determine where the solutions are? Please help me answer this question...

math

v = h(6 - (1/3)(2 - (2 h/5))^3 ) i try to solve this equation and i got (350+4h^2)/75 im not sure if this is correct please check it for me!

math

How would you convert something like: 13 7/8 % or 14 2/3 % into a decimal? Could you please explain the steps? Thank you.

Math

If the graph of y=log(subscript)ax passes through the point (8,3/2) then determine the value of a. Please Help!

Math

If i wanted to find the triangle and the perimeter is 7x+2y units. OPPOSITE: 2x+y ADJACENT: 3x-5y WHAT IS THE HYPOTHENUSE? Please help me.

math

how would you solve for x: (3)^.5sin(2x)-2cos(2x)+2sin^2(x)=1 using trig identites. please help

math

please, does anyone know of a site I can go to online to help my son with some simple practice division? THX!!!

HELP PLEASE ITS KIND OF HISTORY SLASH MATH

WHAT IS THE SIZE OF THE BASE THAT THE STATUE OF LIBERTY SITS ON

math

g(x) = _2__ 1-5x Find the domain of the function? Could you please give me and example or get me started with this one.

math

p(x) = X squared – 2x + 4 Find the domain of the function the answer I got was x/x is a real number and x =0 Help me Please

Math

Can someone please explain this question to me? Use counters to model and find the product of 2(5). Thanks.

Math

---LINEAR TRI-SYSTEM--- Please explain how to do this problem because I already have the answer as (0,4,-2) 5x+y-z=6 x+y+z=2 3x+y=4

math

how do i find the limit of this? (This symbol:-> is an arrow) lim of x-> 0 sin^2x/x can someone please explain?

MATH 157

Can anyone please tell me the number of degrees in the point angle of a {9/2} star polygon?

math

find the distance between the two points. 8,0 and 0,6. round to the nearest hundredth. please help

MATH

please check my answers prime factorization of the number 117 =3x3x13 6/25 divided by 2/15=5/9

Math

Can someone please help with this question? Find the distance between the given points: (-5, 5) ans (0, 12). Thanks!

Math

Can someone please help with this problem? Find the distance between the given points: (-3, -7) and (-4, 15). Thanks so much.

gr.10 math!

factor the equation: -6x^2+15x+36 please show me the steps in answering this problem. thanksss..)

math

can someone please tell me how to begin this problem? simplify. -98pq/210pq Thank you in advance

Math Inequalities

4(r-7)+2>5(r+3)-28 I tend to make things too difficult.. can someone please check my answer? {r l r > 31/4}

math

solve by substitution method. 5x + 6y =5 x = 40 -9y first I rewrite to y=mx+b I get: 6y=5x+5 -9y= x +40 after that I am lost..... can someone please help me??

math

54m=___cm..please help me refresh my memory on this i forgot how to change this sentence 54 m =___ cm

Math

A cylindrical can of cleaner holds 1 L of liquid. What is its height if the diameter of the base is 10 cm? Please help I am not sure what to do.

math anaylsis

i need help learning how to graph sine graphs. For example y= 6sin x Please help!

math anaylsis

i need help learning how to graph sine graphs. For example y= 6+6sin x Please help!

math

4m+9+5m-12= 42 my question is how to get m=5 (the answer) can u show me the steps to do this problem right please because i keep getting 6 ?

math

Given f(x) = 2root x+7 and g(x) = 5x2 – 9, evaluate (f/g)(2) . I don't understand how to do this, can someone please explain the process??!! thanks!

grade 11 math

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

Find the slope, if it exists. 60x-40y+15=0. I'm stumped on this problem Could someone please help.? Thanks.

math 30

I need to write 4x^2 - y^2 -8x -4y + 16 = 0 in standard form and I keep getting it wrong. Could someone please help me. Thanks

math

How is the expected outcome determined in a discrete distribution? I do not understand this question. Could someone please help me.

Math(Please help)

use the given information to solve the triangle. C= 85 degrees 20' a = 35 c = 50 I know that I have to find A,B,b but I do not know how to do this.

Math(Please check)

Find the cross product of the unit vectors. j X k My answer was -i. Am I correct?

math-please help

if a=2^3*3^7*5^3*11^4 and b=2^2*3^5*7^2*11*13,find the following.(leave your anwer written with exponents)a.GCD b.LCM

math-please help

if a=2^3*3^7*5^3*11^4 and b=2^2*3^5*7^2*11*13,find the following.(leave your anwer written with exponents)a.GCD b.LCM

math 4th grade

how do i put the following fractions in order from least to greatest: 3/7, 3/50, 3/2, 3/3, 3/4 please help

Math

Test for symmetry with respect to Q=pi/2 , the polar axis and the pole. r = 16 cos3Q Please explain. I do not know how to do this. Thank You!!

Math-PLEASE HELP ASAP

how do I find the two sets of points for the following algbrea equation? y=-3x+2

math-PLEASE HELP ASAP!!(IF POSSIBLE)

Write the equation of the lines.....best answer will be chosen 1. (3,-6) 7y+4y=5 2.(4,7) 7x+y=6 3.(-8,8) 5x=7y+6 4.(3,8) x+9y=2

math

find the range of the function. g(x) = 5 + (square root of) (4 - x) please show all steps.

Math

Find the value of the following. 10^(-10log3) The log exponent is confusing me. Could someone please help me? Thanks.

Math

Find the value of the following. 10^(-10log3) The log exponent is confusing me. Could someone please help me? Thanks.

math-factoring

(test next period) PLEASE HELP!! x4-13X2+36 how DO YOU FACTOR THIS I TRIED EVERYTHING HELP!!!

math

In this problem the letters x and y are each one digit numbers. Compare x+y O 19? Do I put any number for x and y ? please help.

math

can you answer this please about sums and differences of a rational algebraic expression this is the problem 5/x-7 - x-1/x-7 - 2+x/x-7 another is x+1/2 - x-2/3 + 2x-1/9 another is 2x+3/3 - 3x-1/2 + x-4/12

7th grade

What is 7540 over 94710 in simplist form?? Please Help! I am terrible at math!

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