# math..solve for u again

156,818 results, page 67

### math

how long will it take of a sum of money invested at 80% simple interest the original sum. then solve it.

### math-precalculus

help me please.. and please provide steps so I can follow. sec(2ϴ)=3... solve for all solutions on [0,2π]

### Math

3. Explain how you can tell if an equation has no infinite solution, write an example and solve. I don't understand how you can tell, help?

2 1/4 r = 10 A. 4 3/4 B. 4 2/5 C. 4 4/9 I having a little bit of trouble on this problem. Can you show me how to solve the problem?

### math

Given a polynomial equation p(x)=0, which expressions could be a pair of irrational roots of the equation? please help I don't know how to solve this

### chemistry,again

3 Fe2O3 + 1 CO → 2 Fe3O4 + 1 CO2 how many grams of Fe2O3 are needed to prepare 255 g of Fe3O4? a. 118 g b. 552 g c. 264 g d. 383 g

### French for Anonymous to Sra

Thank alot for everything i received your email all lined up!! You have been of so so so much help thanks alot again :) ;) thankouvery much!)!D xD

### psych

an IQ test is given on a tuesday, when given the test again on thurs the child scores differently, this is an issue of what? function, reliablity, observation or reflection?

### physics

a 70 kg block rests on the earth's surface. How much energy is required to move the block very far from the earth, ending up at rest again?

### Managerial Accounting

Let me try this again How does shaving 5% off the estimated direct labor hours in the base for the predetermined overhead rate usually results in a big boost in net operating income at the end of the fiscal year?

### geography

No question! Just a huge THANKS! For all the help! I know I'm on my own for Tests and since I am trying to maintain an A average I want to make sure I stay on the right track!!!! Homework counts as a big part of our overall grade. THANKS AGAIN!

### Physics 1 College Level

A planet/moon has a mass of 77.89 × 1023 kg and a radius of 7.9 × 106 meters. What is g on the surface to the nearest hundredth of a m/s2? Once again, not really sure where to go with this. Out of the 10 problems I've only had trouble with this and one other.

### ms1998

On a windless day, a bird can fly at a constant 10 m/s. It flies 6.0km east and then home again. How much time does the round trip take? I keep getting 600 seconds, but my teacher still tells me it's wrong.

### statistics

The following is a list of 10 measurements: after adding and sub all 10 numbers I came up with a -29. Now it wants the sum 10/i,i than xi over 32. Do I x -29 and the 32 or do I divide. This is were I get very confused. I am sorry to ask again but I never taken statistic oh I ...

### Criminal Justice/Domestic Violence

After an abusive attack, it is NOT unusual for the manipulative offender to do what? Leave for an extended period of time B. Beg for forgiveness C. Turn themselves in to the police D. Instantly abuse again I think it's B, but not sure

### Valentin Frech

need to know what a card with the picture of a boy hiding behind a heart might be. I got: Carte de _ _ _ H _ I _ _ I don't know what it is :( 1.) Dis a tes _ _ _ _ combien tu les amies. 2.) Ce qu'on ressent pour ses amis. 5.) On en envoie une a celui qu'on aime. Thank you for ...

### Chemistry (Check)

classify each of these statements as always true, sometimes true, or never true. __ST___11)The unit of a conversion factor must cancel. __AT___12)the conversion factor for changing grams and milligrams is 1g/1000mg ___ST__13)multiple conversions factors can be used to solve ...

### Math

Assume a box contains three red jelly beans and two green ones. We consider the event that a red bean is drawn. Suppose I pick a jelly bean from the box without looking. I record the color but do not put the bean back in the box. Then I choose a bean again. What is the ...

### math,help

is this correct solve and graph the solution set: -3x+10>25 -3x> 25-10 (-3x)/(-3) > (15)/(-3) x < -5 correct.

### math

IF f(x)={(3,5), (2,4), (1,7)} What about 1/f(x)? would is be {1/5, 1/4, 1/7}? IF g(x)=sqrt(x-3) k(x)=x^2+5 how would I solve? (k-g)(5)= (g o k)(7)= k^-1(x)= (kg)(x)= nevermind. I know how to do them.

### math

40 35 - 2+i 2-i How do I solve this? there is a division sign between the 40 and 2=i and another one between 35 and 2-i

### Math

Solve the system by addition 2x-4y=7,4x+2y-1 can show one show me how to do this.

### math

can you show me how to solve linear systems step by step????? 2x+y=5 x-y=1

### math

1/4x-1/6y=-2 -1/6x+1/5y=4 solve for x and y its suppose to be x equals 12 and y equals 30 need steps thanks

### math

solve for x 3x^2 + 2x - 5 = 0 you foil it and get: (x - 1)(3x + 5) but i don't know what to do from here. please please pleasee help.

### math

How can I solve this problem by subtract (1) -2.3-(-8.8) How can I sove this problem by multiply (2) (1.3)(10)(-4)

### math

Solve by multiplication principle -2x is greater than 1/9 answer: x is greater than -1/18

### math

how do i solve this logarithm log(base 9)X + 3log(base 3)X = 14

### math ln

how do i solve for t: -.50=1-e^-(t/125)^5 i got this far: ln(.5)=5ln(-t/125) t=?

### Math-Algebra

[SQRT(x + 3)] - [SQRT(x - 2)] =1 Can someone help me solve this equation.

### math need help plz

1/3+(-5/6)+(-1/2) can u help me solve this plz by using steps. thank u

### Math

find W solve c=w squared X cubed/24t squared

### math (pre-calc)

Solve for x: 1. 3^2x+3^x+1-4=0 2. log3(x=12)+log3(x+4)=2 3. lnx+ln(x+2)=4 4. 3*4^x+4*2^x+8=0

### math plz help

how do you solve these please show me how you do these step by step 1. y/2 -5y/6 +1/3= 1/2 2. 15/8z + 1/4 = 4 3. 4/5 - 2p/5= 6/5 thank you

### Math problems

solve- 7 x + 2 -- ---- 24 = 12 x over 3 = 224 over 720

solve 1-tan^2x=0 , 0≤x≤2pi

### math

solve tan2(x+41 degrees) in real number fo degrees

### Math

How to solve for x? (x/(x+1))+ ((2x-2)/x) = -1/(x+1) can someone show it step by step so i can understand it? Thanks!

### Math

Solve each equation by factoring: (2x+1)(3x-2)=10 How do you get -4/3 and 3/2 out of this equation? I'm so confused

### Math

cent, cent, scent equals 35128; how do you solve it?

### math

solve -14is less then and equal to 3x -7less than and equal to -2

### Math

How would I solve this...I don't get it. Two solutions of an equation are (6,5) and (8,5). What could the equation be?

### Math

Solve the system of equations by graphing. Then classify the system.x+y=8x-y=-2

### math

Use algebraic method to solve line 1 x+4y=14 line a 3x+2y=12

### math

Solve the following for the indicated variable. x − 6y = −4 for x

### Math

How do you solve: log2(x-1)+log2(x-2)=1 I got up to x^2-3x=0 Is it no solution or does it become x(x-3)? Thanks!

### math

Solve the equation: sin (3x+30°) =√3/2 for 0°≤x≤90°

### math

Solve for x: 3sin^2(x)=cos^2(x) ; 0≤x≤2π

### MATH!!!!!!!!!!!!!!!!!!!!!

10(line)2-4a(line)=20 Absolute value How do I solve this equation?

### Math

solve the ivp dy/dx = 1/(sqrt(1-x^2)) with initial condition y(sqrt(3)/2)=0

### math;SOS

solve the logarithmic equation. log(5x+7)=1+log(x-9)

### Logarithms (math)

how do you solve for x 3.4e^(2-2n)-9=-4 I don't know what is the step by step process. Help please!

How do you solve 7√3 + √3? I really need help.

solve for x ((sqrt(lnx))/(ln(sqrt(x))))=6

### math

input output 10 12 15 22 21 _______ 6 4 29 50 _______ 2 how do i solve this problem?

### math

input ___ 16 22 50 8 30 output 10 11 14 28 ___ 18 please help me solve this.

### math

input 2 ___ ___ 7 15 6 output 11 20 35 26 50 23 please help me solve this.

### math

input 10 15 21 6 29 ___ output 12 22 ___ 4 50 2 please help me solve this

### STEVE HELP MATH

53.) 49x-2 = 7Ö 7 a. -5/4 b.5/4 c. 11/4 d. -11/4 79.) 10 E 3n-2 n=4 a. 14+17+20+...+32 b. 28+31+34+...+43 c. 10+13+16+...+28 d. 9+14+17+...+30 66. ln 1 √e a. -√e b. -1/2 c. 1/e d. 1/2 67. Solve: e3x = 8 a. ln 5 b. 3 ln 8 c. ln 8 3 d. ln 3 8

### math/ algebra

solve the equation log (4x)= log5 + log(x-4)

### Urgent Math Help

Solve for x: 1.) ln√x-8=5 2.) log2x+log2(x+2)=log2(x+6)

### math

6/(2x - y) + 7/(3y -x)= 7 4/(2x - y) + 14/(3y -x) =6 Please explain step by step to solve this equation.

### math vectors

If Vector a = (2, 2k), Vector b = (4, -k), are perpendicular, solve for k with solutions?

### Math

Solve the equation. 10v/11+10= 8-7).The 10v is over the number 11.

### math

explain how to solve 82 +9(12 divided 3.2) -7 I thing 8x2=16 + 9=25 12 divided 3 x 2 -7 =1 25 + 1 =26

### Math

. What is the common multiple in the proportion below ?? X/12= 24/36 2 3 4•• 6 Solve the proportion 4/5= x/27 21.6 20•• 33.75 18

### Math

Solve for X (8)^0(8)^x-4=512^X 8^0=1 512=8^64 8^x-4=(8^64)^x x-4=64x -4=63x -(63/4)=x Is this correct

### math

How do you solve for (7.5-2cosθ)^2=√{25-4sinθ}^2

### math

Find the restrictions: how to solve problem 1. y = 3- sqrt(2x-8) x => 0 2. y = 9-sqrt(x -2) x =>0

### math

Solve for x: 𝑦 = 2sin−1(𝑥 −5)

### Math

Solve each equation. Write each equation in simplest form. -6q + 5.8 = 23.8 A q = 3 B q = -3** C q = 1.83 D q = 4.93

### Math solving for x

In the expression 4x squared + 7 what is the degree of 4x squared? How do I solve for X?

### math

I'm stuck on how to solve these radical expressions 7√20 divided by 12√5 √8 divided by √24

### math

How do i solve a set of equations that are set equal to eachother?

### math

suppose you bought some 32 cents stamps and some 20 cents stamps. you spent \$3.92 for 16 stamps. how many of each stamp did you buy? i got the equation--.32x + .20y = \$3.92 but don't know how to solve for x and y what class/level is this for 8th grade math

### Math

On a math test,12 students earned an A. This number is exactly 25% of the total number of students in the class. How many students are in the class? 'In this problem I'm not sure whether I'm being asked to solve for one or two unknowns. May I have your help ? Thank you.

### Math 310 Math for Teachers

At the same time but different speeds, two trains X and Y left from different stations, A and B, and moved facing each other (to opposite directions). They first met at the point that was 120 miles from station A. When X and Y reached the destinations (B and A respectively), ...

### Algebra 2 (check)

I have some problems that I've answered and I need someone to check to see if I'm right. Im just posting the questons and my answer,if its wrong I'll post my work,so here it is bear with me please and thank you. 1)name which sets of numbers to which -28 belongs. my answer = ...

### pre-calculus 11

I am asked to solve the absolute value equation of |1/2x +1| =x+1 graphically. I can solve this algebraically and consider two cases for the absolute value one being positive and the other negative. I know this will be a straight line and when I solved it algebraically x=0 the...

### pre-calculus 11

I am asked to solve the absolute value equation of |1/2x +1| =x+1 graphically. I can solve this algebraically and consider two cases for the absolute value one being positive and the other negative. I know this will be a straight line and when I solved it algebraically x=0 the...

### HELP ON MATH!!!!

1)There are 18 blue balloons at Janice’s birthday party, and 1/3 of them have a prize in them. How many balloons have a prize? 2) Kyle is making Strawberry Shortcake. He cut some strawberries and put them in a measuring cup and saw he had 1 and 1/2 cups of strawberries. He ...

### Math

As the earth revolves around the sun, distant objects can be seen from different locations. This idea can be used to measure the distance between earth and nearby stars and is called stellar parallax. To see how this process works, consider the simplified scenario below. A.) A...

### Pre-Algebra

Sally puts \$200.00 in a bank account. This account earns 8% compound interest. How much money is in the account after three years? A \$151.94 B \$240.00 C \$251.94 D \$160.00 I really need help on how to solve this, I tried all the stuff I learned this unit, but I can't really ...

13. Describe the number of solutions for the equation. 10(x-2)=10x A.) one solution B.) no solution C.) infinite solutions*** 14. Describe the number of solutions for the equation. -2(y-3)=2y-6 A.)one solution B.)no solution*** C.)infinite solutions 18. Solve b-9>20. I don'...

### Trigonometry

Solve for x to the nearest hundreth and can you explain how you get your answer I don't understand 3^x = 1.295 Your question has nothing to do with trigonometry. You can solve for x by taking the logarithm (to any base) of both sides of the equation. Then x log 3 = log 1.295 x...

### Computer Organization

Help me solve this question by using 1's complement (i) 110(Base2) - 010(Base2) (ii) 1010(Base2) - 1000(Base2) Help me solve this question convert The Value -40 and 52 to 8-Bit digit in form of: (i) Sign and Magnitude (ii) 1's Complement (iii) 2's Complement

### Calc I (@Reiny)

y = x^3 - 8x^2 + 6x -2 has a slope of 6 at two points, what are the coordinates? I used Reiny's way to help solve this answer. Please check if I've done it correct: y'= 3x^2-16x+6 3x^2-16x+6=6 3x^2-16x=0 x(3x-16)=0 Solve for x's x=0 3x-16=0 ~> x=16/3 Plug x values to ...

### Calc I (@Reiny)

y = x^3 - 8x^2 + 6x -2 has a slope of 6 at two points, what are the coordinates? I used Reiny's way to help solve this answer. Please check if I've done it correct: y'= 3x^2-16x+6 3x^2-16x+6=6 3x^2-16x=0 x(3x-16)=0 Solve for x's x=0 3x-16=0 ~> x=16/3 Plug x values to ...

### math, beginning algebra

can someone correct this for me: Directions: Solve each literal equation for the indicated cariable. A= 1/2 h (B+b) (for b) Area of trapezoid My answer: 2A divided by h minus B equals b. yes.

### MATH,correction

IS THIS CORRECT NOW. solve by using the quadratic formula. x^2 = -5-5 My answer: x = (-5 +- SQRT (5))/(2) I don't see any x term, so b is zero. sorry it suppost to read that first -5x-5

### Math

Solve the polynomial equation and graphy it on a number line. Express the solution set and interval notation. and which brackets to use either () or [] 15X^2 < 14x + 1

### MAth

(2+6/3)*4 i need to solve this and i have but i am not sure if I am right or wrong. What I get is different than what a claasmate got as the answer. I say it is 16 but the other person gets a much higher #.

### math

I am having a really hard time with these! 1. Solve system of equations x+3y=7 (1) x=8-3y (2) 2. find slope (9,8) (10,-7) 3. translate into an algebraic expression The product of 46% and some number