# 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