Math(Please help)

184,813 results, page 60

Math help

I need help solving each equation by the substitution method. 1. X=5y-1 X+2y=13 2. -2x+3y=11 X=4y-3 3. X=-9y-1 2x+4y=5 I need help on these so please guide me in the right direction because I'm struggling on this topic!!

Math; Check my answers please

1. sin(tan^-1(4/3))=4/5 2. find the angle whose tangent equals 0. tan^-1(cos(pi/2))=0

math

AOD is a diameter of circle O. The coordinates of points A and D are (-11,-5)and (-3,-5)Find the area of circle O. a. 9 pi b. 16 pi c. 25 pi d. 64 pi e. 116 pi please answer and explain

Math-Circles

I am familiar with finding the vertex of a polynomial but I don't know how to solve this equation. Give the vertex of x^2+9 can you please explain in steps? Thank you.

math

Ex 12: The smallest of five consecutive integers is represent by y-3. What is the largest of these integers, in terms of y? please explain and show work.

Geometry: Area and Volume Math

What is the volume of a cube shaped box with edges 6 cm. in length? A. 1,296 cu. cm. B. 36 cu. cm. C. 18 cu. cm. D. 216 cu. cm. please help

MATH ASAP!!

Rationalize the denominator using the conjugate. 1/1-√7+√5 please show all the steps and explain it

math

The diameter of a circle is increased by 50%.The area is increased by a. 50% b. 100% c. 125% d. 200% e. 250% please answer and explain

math(fractions)

6/5 times 15/4 =90/20 but i cant figure out what the answer is on my answer sheet i have to simplfly. please help thanks you ms.sue and brady .

math

a cyclist is travelling with an average velocity of 5.9m/s [w]. what will be his displacement in 1.5 h? please show steps to answer-I tried but couldn't find the answer :(

math

translate and solve please. five times two less than a number equals seventeen. find the number

Math

The area of a rectangular field is given by the trinominal t^2-4t-45. The length of the rectangle is t+5. What is the expression for the width of the field? A) t-9 B) t-5 C) t-11 D) t-7 Can someone please help? Thank you!

Math please help!!

A parallelogram has adjacent sides of 78 inches and 90 inches, and the angles between them is 35 degrees. Find the length of each of the diagonals.

Math

If there are six row in a triangle. What is the total number of cuber in the triangle. My answer is 36 cubes am I correct. If not please explain. Thanks

Math

A pilot test requires 3 out of 5 students to be tested if there are 930 kids, how many will have to take the test? Please help! Thank you

Math

Simplify expression, write final answer without negative exponents. (x-3/x-4)- (x+2/x+1) all over (x+3) is the answer: (-8x+5) / x+3 ? please help!

math

If the ladder reaches a height of 12 meters up the wall and has its foot 5meter away from it so can you please help me to calculate the length of the ladder

Math

The ratio of the lengths of the sides of a triangle is 2:4:5. The largest side is 33" longer than the small side. What is the perimeter? I don't know how to start it help please

Algebra 2 (Math)

Divide 3x^3 + 3x^2 + 2x – 2 by x + 3 using long division. Check my answer please. 3x^2 – 6x + 20 3x^2 + 12x – 16 3x^2 + 12x – 16, R 58 3x^2 – 6x + 20, R -62 (I think that it's this one)

Math

What is the ratio of the measures of side BC to side RS in simplest form? (1 point) A.2:1 B.6:2 C.1:2 D.none of these @Ms.Sue My answer is A. can you please check

Math (Help Please!)

Suppose the difference of two numbers is 3. Does the sum of their squares have a minimum or maximum value? What is that value?

6th Grade Math

if 2/3 of a lawn takes 3/4 of an hour, how much can I mow in one hour? Can you please explain how to do this problem?

math help please

Zarat Zim sells refrigerators. He earns 8% commission on sales. How much does he earn on sales of $3000

Math

Show that the sum of 3 consecutive odd integers is a multiple of 3? I'm not so sure on how to answer this question, can you please help and show me on how to find it?

Math

Give a real world scenario in which you would write an inequality rather than a solution. Please help I can't think of a scenario.

math

The length of a rectangular garden is two less than thrice its width. How long is the garden if the area is 65m²? Please help

10th Grade Math

6. Which three lengths CANNOT be the lengths of the sides of a triangle? A.25 m, 16 m, 10 m B. 15 m, 13 m, 12 m C. 18 m, 5 m, 10 m D. 8 m, 8 m, 15 I think its A And if I'm wrong please explain the answer

Math

What does it mean for an equation to be balanced and why must you keep an equation in balance? Can someone explain in there own words please

Math

I have to find the Unit Price of 64 fl oz = $2.00 I have concluded that 2 / 64 is the answer but I think there is an easier way to show it please help

math

my 7 year old is having problems doing his work. can you please give me some work sheets for him that are fun and educational.

Math and Hurry Please!

A prism is completely filled with 2304 cubes that have edge length of 1/4 cm What is the volume of the prism?

Math

Complete the function table and write the function rule. Input (x) -------------- | 32 | 20 | |-------|-------| | 14 | 2 | |-------|-------| | ? | -6 | |-------|-------| | -2 | -14 | |-------|-------| | -10 | ? | ----------------- Please help I am completely confused anything ...

Math(PLEASE HELP ME ASAP)

which Formula should be used to find the area of the composite shape?? A= 4(1/2 x bh ) + 1w A= 4bh + 1w A= 2bh + 1w A= 2bh + bh

Math (Physics)

What is the resistance of a 3.9-m length of copper wire 1.1 mm in diameter? The resistivity of copper is 1.68×10^−8Ω⋅m. R=______ Ω Please Help. I've been at this for hours.

Math

Hi i have to do a worksheet for school. I'm not asking for the answers just how to evaluate things such as radical 13 or two radical 3? Please help!!

Math/ help please

In another calculation, Rachel needs to evaluate the expression -5fifth root square (- 400^2). What is the value of this expression?

Math

What does n-2 means? Does it means a number subtract by 2. Please help. Thank you.

Math!

Hi!! What is the y intercept for the slope 8/5? (Or, what is the y intercept for the equation y=8/5+b?) Please Help!! Thank You!!

Math

(-3)^3-9 then there is a line and under the line is 6/2*3-1 please help a, 0, b2 1/4 cunndefined,d -4 1/2

math please help

solve (sq.rt 2) (tanx)(cosx) = tanx

Math(Please help)

divide by long division. divide x^3 + 4x^2 - 3x - 12 by x^2 - 3

math

how do you solve this can you please show me step by step y/2 -5y/6 +1/3= 1/2 15/8z + 1/4 = 4

math

HOW TO SOLVE THIS? sql 8( sql 10 - 1 ) PLEASE IT IS URGENT !!!!

math

HOW TO SOLVE THIS? sqrt(8)( sqrt(10) - 1 ) PLEASE IT IS URGENT !!!!

Math Last One

9 8/15 + 11 5/12 please help me real quick it's my last one!

math/algebra

I need help with an algebra problem, please help. y=1/2x-4. Thank you.

math

can 25% of something be greater than 50% of something else? Please explain.

Math

Could you please check my answer? Subtract: (6a+2b-5c)-(3a+2c) My answer was: 3a+2b-7c

math

differentiate y=πtsin(πt-6) help please, Thanks!

math

3/4 - 1/3z= 1/4 please show step by step to ans.

MATH-PLEASE HELP ME

Factor the common factor from the expression: x^1/3; x^10/3 + x^1/3

math

sin(((cos^-1)(3/5))-((sin^-1)(5/13))) help and explain please

math

please help! is the square of a number greater than the number?

math problem

having problem with this please help ∛3x+5+7=3

math

Log7x=log7 4+log7 3 please help I can not anderstand thanks

math

2 over x minus 3 is equal to 26 over x what is x? can u please help me

Math - logs

the log(10^ -1)of 3.66 = of 9.86 = of -2.8 = please help. (the 10^-1 is the subscript to log)

Math

I need step by step help with "-5+2x=-7x+94" please someone help me! ):

math

(1/2)X - (1/2)Y = 4 1. Slove for X 2. Slove for Y not just an answer please

Math

(4x^2 - x +5)/ (x^2/3) Can you please show step-by-step how to do this problem?

math

-[2x-(5x+2)]=2+(2x+7) help me please, i need step by step so that I won't get lost

math

please simplify the expreesion: (2x − 1)(x^2 + 3x − 3)=

math

please confirm this answer also: [(4+20)/(4*2)]+[(2*8)/4]=7 is the answer 7?

Please check my answer: Math

Solve: 7r - 7 = 2r + 18 My answer: 7r - 7r - 7 = 2r - 7r + 18 -7 = -5r + 18 -7 - 18 = -5r + 18 - 18 -25/-5 = -5r/-5 R = 5

math

Simplify (3x-2)^3 - (4x+5)^2 Can you show it step-by-step please

Math (Help please)

What are the like terms of -x, -8x^2, and -2. What is the like term of 5 j^2 k^2?

Math 222

Please help me solve for m? F equal mv^2/r solve for m.

Math

Please check my answer for this: 17 - 4 x 3 + 8 = The answer I come to is 13

Math

Please check Simplify 7t+3+t+9=8t+12 Simplify m-2-4m-5=-3m+7 Solve 90=5t+t 90=6t t=15

math

what is the answer please its my last question: S = 2πr2 + 2πrh

Math

PLEASE HELP! j + 150 x 50 is a _____ expression because _____.

HELP PLEASE

I'm really, really, really, sorry but I seriously need help. I can't find a TIMELINE of George Vancouver's special journeys and events. PLEASE HELP ME!!! IT WILL MEAN SO MUCH TO ME!

us history

what lasting influence did Thomas Jefferson have upon the American political traditions Hi i need a lot lot lot of information please please help me.

science Opinions

i need some of your opinions on this question: how will gasoline being replaced with biofuel from garbages affect you peronally? please write your opinions please

Math (Please help!!)

Given A(-4,-2), B(44), and C(18,-8, answer the following questions Write the equations of the line containing the altitude the passes through B in standard form. Write the equation of the line containing the median that passes through point C in slope-intercept form Write the ...

Algebra Problem

I've gotten confunsed. Please help. Solve: 2y-a = a + 3b ____ ______, for y 3 4 Please show how to solve this. If you mean (2y -a)/3 = (a + 3b)/4 then 2y - a = (3/4) (a + 3 b) 2y = (7/4) a + (9/4) b y = (7/8) a + (9/8) b f(x)=x(squared)-4x+9 solve for x

Math

I don't if I'm right for these two questions i just need a check if I'm right,if I'm wrong please show me how to get that answer. Rewrite the following exponential functions as logarithmic functions a)f(x)=9^x ans:f(x) Log^-1(xlog(9)) b)f(x)=(7/8)^x ans:log^-1(x(log 7 - log 8...

History

I need help in history. I have to write a 4-5 paragraph essay on world war one, but I need information. Could someone please summarize the main things that happened in world war one? Please don't write an essay, I just need someone to tell me the very important things that ...

math

16 persons need 56 kg of rice in 1 week. How much rice will be needed by 24 persons in four weeks? ^please anyone over here ryt now may you help me to arrive to the final answer^ 24×(56/16)× 4 math - kelvin today at 2:22pm i had the this idea but i shocked when i saw the ...

algebra

graph each of the following equations below using their intercepts?. 25x + 50y - 100 = 0 find the intercepts Y intercept is when x is zero x intercept is when y is zero. plot those points, connect the dots. please answer my question with solution. 2y - 8x Please note that we ...

math, PLEASE HELP!

Point E(0, -2) is a vertex of square DEFG. After a 90* clockwise rotation of the square about the origin, which of the following is the location of E? A. (-2,0) B. (2,0) C. (2,2) D. (0,2) Point D(-3,5) is a vertex of triangle DEF. After rotation of the triangle about the ...

Chemistry Help Please!

1) You have a protein at 20 ug/ml. Its MW =10,000. What is the concentration in molarity? Show work please! 2) You are asked to make 30 mL of a solution at 0.03M using the 0.10M stock solution. How many mililliliters of water do you use to make this solution? How many ...

math (please)

There is a 60% that your math teacher will give a pop quiz tonight and, due to the fact that you have a soccer game, there is an 85% chance you will not be able to do your math homework. You decide that you will do the homework if the probability of there being a pop quiz and ...

math

3 3/4pt=____c show steps and work please Try the method DrWLS or I showed you FIRST. Repost if you still don't get it but tell us what you don't understand about the procedure.

math

turn this equation: X2 (X to the second power)+16x+15x I'm suppose to use the Distributive Property to factor this expression......HOW?!?!?!? And I also have to show the steps. how?!?!? please help!!

Math

x=3-3y x+3y=-6 I'm looking for coordinates of where the two lines intercect. If you can, please show your work :) I know it's either (5,-2) or No Solution. But I hate not knowing how something works, and I know that if I don't find out, i'll regret it.

Math

My teacher forgot to tell me how to exactly solve any problem like this, she ran out of time probably. ã5/16 It says simplify the expression, could someone please show me how to do that?

math help plz

In a set of data, the 25th percentile is 108 and the interquatile range is 32. expalin how you would find the upper quartile score. please help i don't help any idea about it....:(

11th grade

hi, i am haveing prob;ems with my math its called solving the quadratic equation but my teacher is not really giving me the attention i need to pass the class but will you help me please

Gr. 10 math again!

Factor by Grouping.Thanks Bob. PLEASE SHOW ME THE STEPS! 1.) 6x2-21xy+8xz-28yz just to make it clear,the 2 infront of -21 is actualli an Exponent 2. 2.) x2+5x+7x+35

10th grade math

Factor by Grouping. PLEASE SHOW ME THE STEPS! 1.) 6x2-21xy+8xz-28yz just to make it clear,the 2 infront of -21 is actualli an Exponent 2. 2.) x2+5x+7x+35

algebra

I NEED HELP WITH ALL MY MATH AND I HAVE TO GET IT FINISHED BEFORE JUNE THE 18th AND I DON'T KNOW HOW TO DO IT CAN YOU HELP ME PLEASE OTHER PEOPLE TELL ME TO BUY A CACULATOR AND IF I HAD THE MONEY I WOULD SO CAN YOU HELP ME?

Math

I have tried to figure out this problem and I just don't seem to understand. Could someone please help? I need to write a solution in interval notation for x<5 and x is greater than or equal to -2. Thanks.

math

this question concernc the function f(x)=2x^3+15x^2+24x-21. Using the Second Derivative Test ,cassify the right-hand stationary point . please need your help thanks for reading

Math

can please someone help me to solve this question: 18 MB of data are to be transmitted over a 4 megabits per second connection. How long should the complete transmission take, to the nearest 0.1 s?

Math

how many 3-digit numbers can be formed using only the digits 1 to 7, if the number 2 must be included? (Repetitions are allowed) The books says 127. Could someone please explain this? Thanks

math

there are six cubes ho can i arrange the numbers 1-9 in the boxes.their sums vertically,horizontally,and diagonally must be 15. Note:each digit should be used only once. please do help me

math

There are nine cubes how can i arrange the numbers 1-9 in the boxes.Their sums vertically,horizontally,and diagonally must be 15. Note:each digit should be used only once. please do help me

math

There are nine cubes how can i arrange the numbers 1-9 in the boxes.Their sums vertically,horizontally,and diagonally must be 15. Note:each digit should be used only once. please do help me

Math

“Vitamin E is a proven antioxidant and may help in fighting cancer and heart disease.” Is there anything ambiguous about this claim? Can someone please help and give me a detailed answer for this problem Thank you.

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