Math(Please help)

181,141 results, page 76

Math

Which of the following sample spaces correctly lists all the possible outcomes for flipping a coin and rolling a number cube? Let head be H and tail be T. 1.) H-1, H-2, H-3, H-4, H-5, H-6 2.) H-1, T-1, H-2, T-2, H-3, T-3, H-4, T-4, H-5, T-5, H-6, T-6 3.) H-1, H-2, H-3, T-4, T-...

Math

A engine for a car can be manufactured in a factory every 35 minutes. The factory starts production at 8:45 and stops at 16:55. (i) Find the number of engines that can be produced in a single working day. I really need help on how to do it!!! Please!!

Algebra one help, please.

Determine which lines, if any, are parrell or perpindicular linea= y=4x line B= y=-1/4x line c= y= 4x-1 I think line B and A are parrell. Am I correct? Please help me, thank you.

geometry

8. iN triangle ABC, a point D is on AC so that AB=AD. ANGLE ABC - ANGLE ACB = 30. IND ANGLE CBD. PLEASE TELL ME WHAT TO DO. I BEG YOU. PLEASE

Please help

A rectangular picture frame has a perimeter of 58 inches. The height of the frame is 18 inches. What is the width of the frame? Please help show work and help answer thanks

PHYSICS PLEASE SOMEONE HELP ME OUT

When an object is placed 55.0cm from a certain converging lens, it forms a real image. When the object is moved to 45.0cm from the lens, the image moves 6.00 cm farther from the lens. Find the focal length of this lens? Please someone help me out I tried so many times i keep ...

math, please somebody help me

Given the function f(x) = x4 , and suppose g(x) is some other function of x. (a) Then the function F(x) = (g(x))^4 is the same thing as ... a. f '(g(x)) · g'(x) b. f(g(x)) c. f '(x) d. f '(g(x)) e. g(f(x)) (b) By either the extended power or the chain rule, we have F '(x) = a...

Math - Algebra

Simplify and solve for x=2 and y=5. Please remember to group like terms. 1. 3x - 2y + 4x -3y 2. y + x - y - x 1. 3x2 - 2x5 + 4x2 - 3x5 6 - 10 + 8 - 15 2. 5+2-5-2 7-5+2 yah i think that's how to solve it, basically sub in the x and ys and solve

Math

Rewrite each expression using the indicated property. (x+7)+3, Associate Property 5(3)+5(4), Distributive Property I'm in middle school and my teacher gave those problems and I don't understand. Can someone help me please? Thanks!

math 7th grade

what is the change in temp when the thermometer reading moves from the 1st temp to the 2nd temp. 20degree F to -10 degress F.Please explain to me how you get the answer for future problems.

math

one bag contains 3/5 kg of corn a farmer feeds his chickens 4 bags of corn each week. how amny kilograms of corn do they eat each day. anwer in fractions please

math

if sin theta equals 3/5 and theta is second quadrant angle find tan 2 theta.my ans. was 3.442 but is wrong can you correct and show work please. thank you so much.

math

use properties of logarithms to condense the loarithmic expression. write expression as a sinle logarithm whose coefficient is 1. where possible evaulate the expression. 1/8[3 In(x+5)-In x-In(x^2-4)] Please show work

Math - Please Help

The surface area of a right circular cylinder is 1200 cm^2 . If the height of the cylinder is twice its diameter, find the dimensionsof the cylinder. I know th formula for SA is SA = 2pir^2 + 2pirh I know h = 2d. I know r = 1/2 d What is h in relations to r? Is is 4r?

MATH

A ladder is 25 ft long. The ladder needs to reach to a window that is 24 ft above the ground. How far away from the building should the bottom of the ladder be placed? Please show work.

Math ( Polynomial )

If the polynomial, x^4 - 6x^3 + 16x^2 - 25x + 10 is divided by another polynomial x^2 - 2x + k, the remainder comes out to be x + a, find k + a, please work the complete solution instead of giving simply an answer.

math

what is 10^3 ( )9^2 ( )190 = 10. i try to work it out;( 1000 - 190 ) divided by 190 = 10 But when i think about BODMAS then i do not know how to choose the correct operation to make this statment true,can u help me please ,thanks

Math

Two minor league basebal players got a total of 396 hits. Washington has 8 more hits than sanchez. Find the number of hits for each player. Please help!

5th grade math

Name the compatible numbers used to find the estimate. 1. 725/19 estimate:35 2. 3,641/34 estimate:120 Please show me how to work out these problems.

Math 222

Please help me solve these two Rational Expressions? Sorry my addition sign does not work on my keyboard, so that is why I am using the word "plus". 1). g^2-6g-55 __________ g 2). k^3 plus k ___________ k^2 plus k-42

math

Is there Distribute Property of Division over addition or subtraction? I have all ready have the information for Multiplication and can you please help as soon as possible as I have a test on this tomorrow!! Thank you.

Precalculus(NEED HELP ASAP PLEASE!!)

cot(theta)= 3 pi < theta < 3pi/2 Find: sin(theta)= -1 ? cos(theta)= -3 ? tan(theta)= 1/3 ? sec(theta)= -1/3 ? csc(theta)= -1 ? That's what I came up with, but they are not correct, PLEASE help me where I went wrong!!

very hard math question please help

The Candle Shop -Annual Inventory of candles. _______-________________________________ Jan 1 Beg Inventory 5,000 units @$0.89 ---------------------------------------- Feb 15 Purchase 10,000 units @ $0.69 ________________________________________ April purchase 2,000 units @ $1....

math

can someone check my answers please add -3/5 +(8/35) = -13/35 find the reciprocal of 1/3 (9-4)= 5/3 subtract 7/9-(-13/18)=3/2 find the reciprocal of -1/9(-9-3)=4/3

math need help please

Find the reciprocal of a. - 1/10 (-4-7) b. ½ / ¼ (hint: solve these first then find reciprocal of the answer)

math need help please

Find the reciprocal of a. - 1/10 (-4-7) b. ½ / ¼ (hint: solve these first then find reciprocal of the answer)

math

I don't understand how to simplify this. Please help! (1-2cos^2ө)/ (sin ө-cosө) + cotө

5th grade Math

A tanker can hold 40,000 kL, OR 40,000 L OR 40,000 mL? I chose 40,000 kL Please advise, Thank you

MATH

Which function Is even? a. f(x) = √x - 3 b.f(x) = 3√x c. f(x) = |x| + 4 I keep getting neither even or odd. HELP PLEASE...

Math(Please check answer)

Simplify each expression. 1)(sqrt7 + 5)(sqrt7 -6) My answer is sqrt 7 - 30 Am I correct?

math 8

what is the meaning of order if y=x is to the order of 1 then what is the order for y=sin x ANSWER: is that also the order of one please explain.

Math

Simplify: x4 −4x3 −27x+108 ---------------- x3 −3x2 −16x+48 PLEASE!

math(rate of change)

find the average rate of change f(x)=x^2 + 2x between x=0 and x=6 can anyone please help me explain why the answer is 8? thank you!

math

When m is divided by 7, the remainder is 2. What is the remainder when 4m is divided by 7? Please give me an explanation and not just the answer! Thankss:)

Math

Can someone please walk me through this? i don't want the answer..........just a walk through. Quiz tommorrow. 2 + 5(9x - 6) = 14

math

i need to complete a venn diagram using the numbers 20-35 please help me drawing a venn diagram.

math

how do i find the percent of a component in a mixture given the amount of compound and the amount of mixture c=3g,m=8g please help thank you

Math

Find the co-ordinates of a point on the y-axis which is equidistant from (9-3,5) and (2,3). What formula do I use to find these co-ordinates? please and thank you

Math

Find the co-ordinates of a point on the y-axis which is equidistant from (9-3,5) and (2,3). What formula do I use to find these co-ordinates? please and thank you

math- surface and volume

If volume increases by 60%, how much does the surface increase by? Please show work.

seventh grade math

if 1/2 in. = 1/3 feet then how many feet is 27 inches please someone help me ................ its drawn to scale the 27 inches

Math :/

Point E is located at (–2, 2) and point F is located at (4, –6). What is the distance between points E and F? Please help, I have no idea!

math

8 sandwiches cost $1.44,how much will 13 cost show answer and steps to reach answer please!!!!!!!!!!!!!!!!!!!!!!!!!

math

If twenty percent of the students play in the band and the band has forty members, how many students are there? Please help me

math

how do you solve this can you do this with the steps do I an understand them,please. (square root start) 4x-8 (square root end)=-8

Math Ms. Sue please

1. What is the product of (-6.8)^2? -13.6 46.24 -46.24 13.6 2. Find the product. 5/10 * 10/3 23/6 -5/7 -7/5 5/3 3. Find the quotient. 3/7 ÷ 1/2 3/14 6/7 13/14 4/7 4. Simplify the expression. 3/4 ÷ 2/5 3/10 23/22 15/8 5/9 My answers: 1. 46.24 2. 5/3 3. 6/7 4. 15/8

Math

A table is on sale for 26% off. Sale price is $407. What is the regular price? Need help with this please

Math

An equilateral triangle is inscribed in a circle. Each side of the triangle has length x. What is the area of the circle? Please help

Math

The difference between two polynomials is (5x+3).One of the two polynomials is (4x+1-3x^2). What is the other polynomial? Please help! Thank you

extreme math help please

The data in the table illustrate a linear function. What is the slope of the linear function. x |0|2|4|6| y|-5|-2|1|4| Thank you

Math

Perimeter of 50 2/4 inches. What is my width? Length is 15 1/4 inches. Please help I have to find the width and I don't understand

Math

The peremiter of a garden of 110 inches with the width of 20 inches. What is the area of the garden? Please shoe me how to do this

Math

1. The length of the hypotenuse of a 30-60-90 triangle is 7. Find the perimeter. A) 7/2+21/2 sqrt 3 B) 21+7 sqrt 3 C) 7+21 sqrt 3 D) 21/2 + 7/2 sqrt 3 Could someone please help me, I don't know how to do this. Thank you!

Math (PLEASE HELP!)

The function g(x) is a transformed image of the graph of f(x)=2^x. Write the equation of the transformed function g(x) in the form g(x)= b^x-h+k. f(x) (0,1) (2,4) g(x) (-1,2) (-3,-1)

Math

If each side of a square is increased by 50%, the area of the square is increased by A)50% B)100% C)125% D)225% help please!!!!!!!!!!

MATH HELP PLEASE ASAP

A line segment has end points of (4, -4) and (0, 5). What are the coordinates of the midpoint of this line segment? A) (2, 1/2) B) (-2, -9/2) C) (4, 1/2) D) (8, -13)

math problem

Please help me do this problem 2(x+3)-3

math

how to solve (x ^2-1)/(x+1)-x ho can I solve to a -1. Please help

Math(Please help)

what would 8^2/3 be. 2^3 = 8 so would it be 2?

MATH HELP PLEASE!

(sqrt(ln(x)))/(ln sqrt(x))=6

MATH HELP PLEASE!

(sqrt(ln(x)))/(ln sqrt(x))=6

5th Grade Math

I am a mom trying to help my child with their math HW. But this question has us stumped. I've seen it posted before but no real explanation was offered. Please provide EXPLANATION, not just answers. Q: Make up a list of data with the following landmarks: Mode: 15 Min: 5 Median...

MATH!!!!!!

Roger purchases two doughnuts and three cookies at a doughnut shop and is charged $3.30. Sam purchases five doughnuts and two cookies at the same shop for $4.95. All the doughnuts have the same price and all the cookies have the same price. Find the cost of one doughnut and ...

CHEMISTRY HELP PLEASE!!!

The cell potential of the following electrochemical cell depends on the pH of the solution in the anode half-cell: Pt(s)|H2(g,1atm)|H+(aq,?M)||Cu^2+(aq,1.0M)|Cu(s) what is the pH of the solution if Ecell is 375 mV? I first got .65 as my pH, but it said that it was wrong. ...

Math (Earning Money)

I know that calculating overtime rate for time and a half is 1.5 and double time is 2 and triple is 3 and so on... however my HW math question said "he is paid DOUBLE TIME AND A HALF on Saturdays..." So what number will I multiply with the number of hours and normal pay rate ...

Math equation

The Congress of the United States signed the Declaration of Independence in 1776. Find the difference in years between the year that the Congress signed this document and the year that you were born. I was born 2003. Is this right? y - 1776 = 2003 or 2003 - 1176 = y 6th grade ...

"Y912f", please givethis note to your pare

"Y912f", please give the follow note to your parents. Dear Parents of Y912f, Your daughter has been receiving help from Jiskha for quite some time. Our task on this site is to "help" students learn, not do their work for them. It has become obvious that "Y" needs additional ...

Language Arts

Which of the sentences below using direct address is punctuated correctly? (1 point) Please come with me, Sarah, and Tom, to pick Mom’s birthday present. Please come with me, Sarah and Tom to pick Mom’s birthday present. Please come with me, Sarah, and Tom to pick Mom’s ...

Math

Several cows from a Caribou Herd took 4 days longer to travel 70km to Forde Lake, than it took them to travel 60km north beyond forde lake.They averaged 5km/h less before Forde lake because the foraging was better. What was their average speed for the part beyond forde lake? ...

Algebra-drwls please check!

Posted by Megan on Tuesday, October 12, 2010 at 3:44pm. I have a question if someone could help, please explain it. Given b = -1 and h = -1, what is the equation of the graph if the parent function is y = sqrt (x) Answers: a.y = sqrt(x-1) b.y = sqrt (-x+1) c.y = - sqrt (-x-1) ...

math

Posted by mota THE MASS OF THE SUN IS ABOUT 10^27 METRIC TONS , OR 10^30 KILOGRAMS . HOW MANY KILOGRAMS ARE IN ONE METRIC TON ? ----------------------- math - drwls 1000. ----------------------- explain please i want to understand this question :) this is my question i posted ...

math

On a straight line graph, if the line is going this way \ and the co ordinates that I have are (0,4) and (5,0), then what is the gradient? How do I work this out please? The gradient is (y2-y1)/(x2-x1). For your two points, that is (-4)/5 = -4/5

math

problem is solve for the unknown 2/3 over 10 = 1.8 over r dont even know where to start to solve this please help cross-muliply 2/3 r = 18 multiply both sides by 3/2 thank you

Math(factoring)

I need help with factoring trinomials completely. My teacher's example is: 2x^2-12x+18 2(x^2-6x+9) 2(x-3)(x-3) I need help with: 6x^2-26x-20 I just can't get this stuff so if you can please help me I'd greatly appreciate it.

Math

Express the following as a trinomial: (2x-3)(x+7) Express the following as the product of two bionomials: x-squared -5x-24 Explain please...This is review and i don't remember learning it.... Thanks So Mcuh!!!

math

1. (sec^2x-6tanx+7/sec^2x-5)=(tanx-4/tanx+2) 2. (sin^3A+cos^3A/sinA+cosA)=1-sinAcosA 3. csc^6x-cot^6x+1+3csc^2xcot^2x please help

math

can someone please help me fast before midnight. a)I need the correlation between x and y b)slope of linear regression c)y intercept of linear regression for the points (1,8)(2,6)(3,4)(4,2)(5,5)

Math

determine vertex, focus and directrix of parabola. then graph the parabola. first equation: y^2 -2x-8=0 second equation: y^2 -4y -12x= 8 please show your work!

Need help please math

Soybean meal is 18% protein and cornmeal is 9% cornmeal, how much of each mixed together will you use to make a 360lb mixture that is 17% protein.

Math

Which of the following are examples of multiplicative inverses? 1) csc x and sin x 2) tan x and cot x 3) cos^-1 and cos x 4) ln x and e^x A. All of these B. 1 and 2 C. 1,2, and 3 D. 3 and 4 I know it's not all of them...but I'm leaning toward B. Help please? Thank you!

Math!!

Hi!! 1. Use only four 4's to write a numerical expression that equals the following number. Use parenthesis as needed. EXAMPLE: 4+4 ----- =1 4+4 **NUMBER: 10 Please help!! Thank you!!

Math!!

Hi!! 1. Use only four 4's to write a numerical expression that equals the following number. Use parenthesis as needed. EXAMPLE: (4+4)/(4+4)=1 **NUMBER: 10 Please help!! Thank you!!

math

Could someone explain topologically equivalent to me. I am to figure out if a pretzel is topologically equivalent to a pencil, a pipe or a trophy and I just don't understand please help

math

find the missing length of the right triangle the bottom number is 15 and the top angle is 17 i need to know how to find the left side of the angle?????help please

math

Stock in a company is selling for $113/4 per share. If someone purchases $893 worth of stock in this company, how many shares did they get? please explain

Math

Can you please explain this to me. The problem is 7/16 - 3/20 First I have to find the common denominator which would be 80 How does the 7/16 become 35/80 (where does the 35 come from) How does the 3/20 become a 12/80 (Where does the 12 come from) 35/80 minus 12/80 answer 23/80

Math

A circle is tangent to the y-axis at y=3 and has one x-intercept at x=1, find the other x-intercept and the equation of the circle. ...And if it's not any trouble, could you please explain how to do get there alongside showing me what to do? Thanks (:

Math

Find the quadratic function that has the indicated vertex and whose graph passes through the given point. Vertex: (2,3) Point: (0,2) I do not know how to do this! Please explain!! Thank You

Math

Find the quadratic function that has the indicated vertex and whose graph passes through the given point. Vertex: (2,3) Point: (0,2) I do not know how to do this! Please explain!! Thank You

Math

I need to give an example of a function with at least one removable and one non-removable discontinuity. I am not to sure how to do this. Please explain! Thanky you

math

if you are dealt 5 cards from a shuffled deck of 52 cards find the probability that all 5 cards are picture cards please show how to get the answer such 6!C! so i can understand

Math

A cone has a diameter of 12 feet and a slant height of 20 feet, if you triple both dimensions will it triple the surface area?? PLEASE ANSWER QUICKLY!!!

math

HELP ! I just don't get this. The perimeter of a rectangle is 40 m. The length is 5m more than twice the width. Find the dimensions. What is the length? What is the width? I need to simplify my answer... PLEASE HELP ME>

Math

10cm 3cute of normal specimen of human blood contains 1.2g of hemoglobin how many grams does 18cm 3cute of the same blood contain? Please help!

math

graph the equation by plotting the points: 35-5y=0 i know how to put the solutions on the graph. i am stuck on this equation. i think x=0 but i can not figure for y. please help me and show me the steps to solve this.

mat 115 week 8

Please help me with this math problem. I don't know if I am doing this correctly. -21 - (-9) __________ -21 - (-21) Am I correct in answering this problem correctly? -12 ____ = -12 0 If not can you help me with the right answer? Thanks kindly

Math

(x+20)(x-9)(x+10)>0 Please help? I'm stuck...need to find the solution set. so far I have x^3+21x^2-70x-1800>0 am I correct so far? What do I need to do next?

math

I am not sure how to write a fraction as an expression using a negative number for an exponent other than -1? Please help ex: 1/25 and then using a fraction of 1/9to the second power.

3rd math homework

number sense write a subtraction fact using 6 such as 6 - ? = ?. then write an addtion fact you could use to check it. please help! thanks

8th grade math

What is 25% of $20.00. What is the total cost of the item? I multiplied 20 x .25 and my answer was 5.00 Then I subtracted 5.00 from 20.00 making my final answer $15.00 for the item. Please tell me if this is correct.

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