# Math(Please help)

181,141 results, page 35

### Math--I need help!

I have these two questions on my assignment. Please help me. 80 mi. = _______ km. 9 cm. = _______ m. 9cm (1m/100cm)=??? 80miles (1 km/1600m) one mile = 1.6093 km so 80 times 1.6093 = what? one cm = 1/100 m or .01 m so 9 cm = 9 times .01 = what? 9 cm = 0.09 m. 80mi.= 128.72km. ...

### Earth Science - Please Check My Answer

Please help with the following: Dani wants to measure the volume of a pebble. Which tool will give the most accurate measurement? A. a ruler B. a tablespoon C. a measuring cup D. a graduated cylinder I think the answer is mostly D. Is this correct? Please help me by checking ...

### Physics

I'm trying to rearange this 0 = Xo + 2^-1 a t^2 for t I've been told that it is (a^-1 2x)^(2^-1) but I do not see how please show me step by step how you get that 0 - Xo = Xo - Xo + 2^-1 a t^2 (-Xo = 2^-1 a t^2) a^-1 2 (a^-1 (2-Xo) = t^2)^(2^-1) (a^-1 (2 - Xo))^(2^-1) please ...

### physics please please please help me!

A neutral nitrogen atom has 7 electrons, 7 protons, and 7 neutrons. What is its total charge? If we remove 2 of the electrons, now what is its charge? what is its charge if we add 2 electrons to the neutrol atom instead? give charge in Coloumbs.

### Math please check answer

please check my answer thanks Janet took a standardized test that had 328 questions. She answered 75 %of the questions. How many questions did she answer P = R X B P = 75 % x 328 = .75 x 328 = 246 Portion = 246

### cicivs

does hawaii have waterways? If yes, please name the waterways of hawaii and how it can help to shape the lives of people living in Hawaii. Please somebody help me because I looked all over my online civics book and i did research on waterways of Hawaii and I still cant even ...

### Math Help Please

Kale is building a small basement suite. The bathroom takes up 1/3 of the suite and has an area of 12m2. 1. Draw the room and label all the areas 2. what are the possible dimensions of the bathroom? 3. what is the area of the rest of the suite without the bathroom? 4.what is ...

### Math

PLEASE HELP ME! You are measuring walnuts for banana walnut oatmeal and a spinach and walnut salad. You need 3/8 cup of walnuts for the oatmeal and 3/4 cup of walnuts for the salad. You have a 1/4-cup scoop. Describe two different ways to find how many scoops of walnuts you ...

### 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? ;(

### Distributive property

How would I multiply these expression? 6(h-4) -3(x+8) -10(-a+5) PLease and thank-You Multiply the coefficient (outside the parentheses) by each term inside the parentheses. For example, 6(h-4) = 6h - 24 You do the others do you have 5th grade distributive property jiskha ...

### Math

You have to use 3,500 calories to lose one pound. If you play Dance Dance Revolution you can burn 1,000 calories in an hour. How many hours would you have to play in order to lose one pound? Answer is 35 3500 divided by 1,000=35 please help Ms. Sue i think this is right if not...

### Chemistry - HELP IGCSE

I have a chemistry exam tomorrow and I don't get the double bonding in covalent bonding I tried many websites , textbooks and other books and yet nothing worked Can someone please explain it clearely and in a simple way and please don't put any links for websites ca use ...

### 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

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!

### Math

/Users/szeringue/Desktop/SCAN0001.JPG Can you help me solve this problem, Please AB=27 BC=x CD=4/3x AD=x AC=? How do I get what AC equals?

### Math

/Users/szeringue/Desktop/SCAN0001.JPG Can you help me solve this problem, Please AB=27 BC=x CD=4/3x AD=x AC=? How do I get what AC equals?

### math

in algebra if you have a problem like -2+2 will the answer be negative or positive? can you please explain why

### HELP MATH URGENT

X-5y+10 = 0 I don't know how to convert general form to slope intercept, how do I figure this out? Please help me:(

### MATH!!!!!

there are 15 terms in the expansion of the binomial (a+b)^n. determine the value of n. please explain to me how to come about this! thanks!

### College Math

What is the equation of the line Y=3X-2 rotated 60 degrees clockwise about the point (2,5)? PLEASE HELP