Thursday

September 18, 2014

September 18, 2014

Total # Posts: 820

**math**

Put all the sides in terms of x. X represents the longest side side x side y=(1/3)x side z=x-13 The perimeter is 106 which is the sum of all the sides. x+(1/3)x+(x-13)=106 Solve for x Then it will be easy to find the other sides
*September 17, 2014*

**Algebra**

well you already know the greater the width is the higher the temperature Now you just to put the widths in order. Because they all have different denominators you are going to have to find the least common denominator. 25,50,100,20,5= these are all factors of 100 So rearrange...
*September 17, 2014*

**math**

the ratio of tenants that own cats to tenants that own fish is 4 to 1 ..that is 4 times greater ? to 5 So if 5 own fish what would the of cat owners have to be to have the same ratio
*September 17, 2014*

**Math**

First change the mixed number to an improper fraction.
*September 17, 2014*

**math**

5n is correct it would be your score I guess you could put s=5n S meaning your total score
*September 17, 2014*

**Algebra 2**

To find the slope the equation must be in y=mx+b form To do this rewrite the equation with y by itself 4x+ky=-1 ↓ 4x+ky+1=0 ↓ 4x+1= -ky ↓ (4x+1)/-k=y Now y is by itself Now separate the equation with -k and the denominator 4x/-k + 1/-k =y is in y=mx+b form 4...
*September 17, 2014*

**MATH**

Are you solving for x?
*September 16, 2014*

**Algebra help**

rewrite the problem 7x^2=8x ↓ 7x^2-8x A=7 B= -8 C=0 Plug values in the quadratic formula
*September 16, 2014*

**Need Help with Math**

1/2 * 5/12 = 5/24 1/4 *5/6 = 5/24 1/3 * 5/8 = 5/24 I assumed it could have been random fractions.
*September 16, 2014*

**math**

x^3-18x^2+80 factors into (x+2)(x^2-20x+40)
*September 16, 2014*

**Sixth Grade Simplest Form**

Yes that is correct
*September 16, 2014*

**Sixth Grade Simplest Form**

yes
*September 16, 2014*

**Sixth Grade Simplest Form**

Since he tripled the recipe all you have to do is is multiply by 3 A. Oranges (1/2)*3=? Apples (3/5)*3=? Blueberries (1/4)*3=? Peaches (2/3)*3=? B. You have to change the mixed number back to a regular fraction. Do you know how to do this?
*September 16, 2014*

**math**

Im sorry but could you retype this in English
*September 16, 2014*

**math**

10m describes the height of the bridge from the ground
*September 16, 2014*

**math**

w ww.pitt.edu/~medart/image/glossary/rise.jpg This should help
*September 16, 2014*

**Math**

3*4=12 3=number of colors she can choose 4=number of colors to pick from
*September 16, 2014*

**Algebra**

Your answer is correct just make sure you put "{}" instead of parentheses
*September 16, 2014*

**math**

beginning ratio 5:7 Girls=30 Boys=42 ending ration 3:4 Boys=48 48/4=12 12*3=36 Girls=6 36-30=6 6 more girls joined
*September 16, 2014*

**maths**

What is the question?
*September 16, 2014*

**6th Grade Math**

Yes A is correct For B just find if 4 bags will give you 3 more pounds since you already have 10. To do this multiply (5/8) by 4 to see how many pounds it will give you. (5/8)*4=2.5 Four more bags Will Not cover the extra soil needed.
*September 16, 2014*

**math**

a=72 b=84 c=99
*September 16, 2014*

**Math**

3(y-3)=2y-9+y Distribute the 3 3y-9=2y-9+y Combine the like terms that are on the right side "2y" and "y" 3y-9=3y-9 You can stop right here because the equations are the same on both sides. This tells you that no matter what y is it will be equal on both ...
*September 16, 2014*

**Math**

2x-6=2x Subtract 2x from both sides in order to get your x variables on 1 side 2x-6=2x -2x -2x What you do to one side you must also do to the other. This leaves you with -6=0x Because it says 0x there is no solution
*September 16, 2014*

**Math**

Okay you first step is first when you multiply it you will get 2x-6=2x After this you are trying to get x by itself. What would you do?
*September 16, 2014*

**Math**

Can you show me how you came up with that answer? I like to see a person's though process. It helps me to assist you better.
*September 16, 2014*

**Coordinate Algebra**

You can replace y with h since it says an equation for the flower's height "h". The equation is still the same though
*September 16, 2014*

**Coordinate Algebra**

y=1.5x+7 1.5x = represents how much the seedling grows in x amount of weeks 7 = is the height before it was planted. It is constant. It is also your y-intercept because the equation is in y=mx+b form in which b is the y-intercept
*September 16, 2014*

**Coordinate Algebra**

The simplest to approach this problem would be to find the distance between the first x and y values. 6-(-2)=? Use the number found and subtract it from your second y value "9" 9-?=?? You subtract because the x value is less than the y value as shown in the ...
*September 16, 2014*

**math**

12:(12+15+9) 12=number of action dvds (12+15+9)= total number of dvds Did I help you get started?
*September 15, 2014*

**math**

4 and 6 6-4=2 6^2-4^2 36-16=20
*September 15, 2014*

**math**

Is the problem asking to consider both how many miles driven and how many gallons of gas purchased to find the total cost?
*September 15, 2014*

**Algebra1**

You're welcome :)
*September 15, 2014*

**Algebra1**

I was adding 9 to both side in order to solve for x. What you do to one side you must also do to the other.
*September 15, 2014*

**Algebra1**

-3x-9=-3x-8 +9 +9 ↓ -3x = -3x+1 +3x +3x 0x≠1 No Solution Do you see how I got this?
*September 15, 2014*

**Algebra1**

You should have gotten this when you multiplied -3x-9=-3x-8
*September 15, 2014*

**Algebra1**

Then you solve for x
*September 15, 2014*

**Algebra1**

First distribute the -3 into(x+3) and he -3 into(x+1)
*September 15, 2014*

**Math (Ms. Sue! Anyone!)**

Okay so add -14.8+22.6=?
*September 15, 2014*

**Math (Ms. Sue! Anyone!)**

Let's start with the first question if it says the temperature increase what does that tell you to do? (add,subtract,multiply, or divide)
*September 15, 2014*

**Physics**

acceleration=force/mass
*September 15, 2014*

**Math Problem (please help)**

okay so what did you get for our answers?
*September 15, 2014*

**Math Problem (please help)**

(x-7)^2 shouldnt be x=7 because you have the squared
*September 15, 2014*

**Math Problem (please help)**

Okay well the problem is set to make it easy for you. Since it is broken up into factors all you have to do is set each one equal to 0. x+3=0 (x-7)^2=0 Solve for x.
*September 15, 2014*

**Math Problem (please help)**

is the (x-7) squared?
*September 15, 2014*

**Math-PLEASE help me**

2.78-(-2.78)=5.56 You are not trying to find the distance from 0. That is what the absolute value is. It tells that the absolute value is 2.78. You want the total distance between -2.78 and 2.78. You found this to be 5.56 To check your answer you would add -2.78 +5.56=2.78 Did...
*September 15, 2014*

**Math-PLEASE help me**

Depending which way you're looking from 2.78 to -2.78 would be -5.56 because you are moving down(left) the number line And -2.78 to 2.78 would be 5.56 because you're moving up(right) the number line. It might be simpler just to leave it positive. But your math was ...
*September 15, 2014*

**Math-PLEASE help me**

The absolute value is given and it tells you that the original number is negative. So the original number is -2.78 All you have to do is find the distance between -2.78 and 2.78
*September 15, 2014*

**math, algebra**

In order for 1/ab to be positive meaning it is greater the zero the denominator must be positive since the numerator is positive. Since both a and b are in the denominator to get a positive number a&b both have to be positive or they both have to be negative. Did I explain ...
*September 15, 2014*

**math, algebra**

I think you posted this question already but Ill answer again. In order for 1/ab to be positive meaning it is greater the zero the denominator must be positive since the numerator is positive. Since both a and b are in the denominator to get a positive number a&b both have to ...
*September 15, 2014*

**math, algebra**

*by
*September 15, 2014*

**math, algebra**

it would be positive when a is a negative number A negative divided b a negative is positive.
*September 15, 2014*

**algibra1**

You could use the guess and check method
*September 15, 2014*

**Pre-Calculus/Trigonometry**

in y=mx+b form y=y value m=slope x=x value b= y-intercept
*September 15, 2014*

**Pre-Calculus/Trigonometry**

The equation they gave you is in slope intercept form and you already know the slopes are the same. You just need to know the slope of the given equation.
*September 15, 2014*

**Pre-Calculus/Trigonometry**

You have the name of the form write but that equation is point slope form Slope intercept form is y=mx+b
*September 15, 2014*

**Pre-Calculus/Trigonometry**

Yes and in order to know the slope what form does an equation have to be in?
*September 15, 2014*

**Pre-Calculus/Trigonometry**

I didnt mean to type does
*September 15, 2014*

**Pre-Calculus/Trigonometry**

If two lines are parallel what does must be true for their slopes?
*September 15, 2014*

**math**

Do you know how to find the least common denominator
*September 15, 2014*

**Math**

d=√(x2-x1)^2+(y2-y1)^2 The 2 and 1 inside the parentheses are subscripts
*September 15, 2014*

**Math**

do you have the distance formula
*September 15, 2014*

**alg 2**

You can separate the equation into two different ones -9 ≤ y+5x AND y+5x ≤ 14 Then solve for y in both equations
*September 15, 2014*

**alg 2**

okay first you will need to put the equation in y=mx+b form
*September 15, 2014*

**alg 2**

-9 ≤ y+5x ≤ 14 is this the correct set up of the problem
*September 15, 2014*

**alg 2**

What are you solving for...y or x?
*September 15, 2014*

**Social Studies**

Yes so do you understand why that is the correct answer?
*September 15, 2014*

**Social Studies**

Wages are not a price Think of the relationship between wages and inflation.Inflation is the increase in prices of goods. If goods and services cost more...what will have to happen to wages? Do the same for interest rates...think of their relationship. If one does one thing ...
*September 15, 2014*

**math**

Clue: what number is between 2 and 4?
*September 15, 2014*

**Math**

There is more than one possible answer but I just gave you the closest to 700,000
*September 15, 2014*

**Math**

711,311
*September 15, 2014*

**math**

Well to keep it simple you could break down the numerator so it doesn't look as complicated For example: (50x^3+15x^2-10)/5 This can be broken down into 50x^3/5 + 15x^2/5 - 10/5
*September 15, 2014*

**math**

Are you simplifying or solving for x. There arent any instructions
*September 15, 2014*

**Math**

You could use the rise over run method Find the difference between the first endpoint and midpoint x values which in this case would be +2 because(5-3=2) Then do the same for their y values(-11-6)=? After that add the difference in x values to the the midpoint x value(5+2)= ...
*September 15, 2014*

**Algebra 1**

What are you trying to solve for?
*September 14, 2014*

**Math**

The inside portion of the equation is incorrect. When shifting to the right the number will be subtracted When shifting to the left the number will be added Its actually the opposite
*September 14, 2014*

**Math evaluating expressions with rational numbers**

Because -321F is more than -346F you would add to -346F instead of subtract from it. Subtracting would make the temperature lower. Remember the closer a negative number is to zero the higher it is.
*September 14, 2014*

**math**

You have 10,000 motorists Find what is 4% of 10,000 Then find 5% of that number and you have your answer.
*September 14, 2014*

**Grade 9 Science**

In a physical change the substances are not altered chemically. No new products are formed and chemical bonds are not broken. A physical change can affect the size, shape or color of a substance but does not affect its composition. A) In this example all the tailor did was ...
*September 14, 2014*

**math**

IMPORTANT: Make sure you convert your final answer to meters and seconds
*September 14, 2014*

**math**

1 mile=1760 yards First find the constant speed she was running at speed=distance/time to find distance subtract 1760-510=1250 yards 1250/10 with this answer divide it by 10 minutes (125 yd/m)That will be our speed in yards per minute Next she needs to make 510 yards in 2.5 ...
*September 14, 2014*

**MATH**

use m to represent the monthly salary so 1 monthly paycheck donation will be (m-15) next count how many months are in 1.5 years which is 18 months Assuming she is paid the same amount every month the equation would be 18(m-15) This way when you distribute the 18 18m represents...
*September 14, 2014*

**algebra**

if solving for z then you can foil out (z-1)^2 and add the constant to 4 you should have an equation in the form of ax^2+bx+c Set the equation equal to 0 and solve for z. I would use the quadratic equation. Your final answer with have imaginary numbers.
*September 14, 2014*

**8th grade homework**

to do this just work backwards since your answer will be 30 start with that the last thing says the result is added to 10 to give you 30 so instead of adding 10 you will subtract 10 from 30 30-10 =20 Next it says the result is divided by 4 so you will multiply by 4 20*4=80 ...
*September 14, 2014*

**Physics**

Two rubber bands pulling on an object cause it to accelerate at 1.6 m/s2. (a) What will be the object's acceleration if it is pulled by six rubber bands? (b) What will be the acceleration of six of these objects glued together if they are pulled by two rubber bands?
*September 14, 2014*

**Pre-Calculus**

First break down the polynomial. I ended up with (x-2)(x^2+2x+3). Set x-2=0 Solve for x. (x^2+2x+3)will not break down as easily into rational numbers. In this case you will have to use the quadratic formula.This problem you will give you imaginary numbers.
*September 14, 2014*

**Pre-Calculus**

2x^2+3x=2x is the same as rewriting it as 2x^2-2x+3=0 The zeros using the quadratic formula. A=1 B= -2 C= 3 I ended up with x=1/2(1+ i√5) also written as 1/2 + i√5/2 Both will give you the same answer The other solution is x=1/2(1-i√5) or 1/2-i√5/2 ...
*September 14, 2014*

**Maths**

Because all sides of a rhombus are the same length, you only need to find one side. The diagonals divide the rhombus into 4 equal right triangles. The diagonals/2 give length of two of the triangle sides. So one side will be 3 and the other 4. Use the Pythagorean Theorem to ...
*September 12, 2014*

**Physics**

A flat go-kart track consists of two straightways 100 m long with semicircular ends which have a radius of 25.0 m. A go-kart executes the curved end with a constant tangential acceleration while SLOWING from 12.5 m/s to 5.0 m/s. Determine the magnitude of the total ...
*September 12, 2014*

**physics**

A ball is tossed with enough speed straight up so that it is in the air several seconds. Assume upward direction is positive and downward is negative.What is the acceleration of the ball during any of these time intervals? What is the acceleration of the ball at the moment the...
*September 8, 2014*

**Socail Studies**

thank you
*September 8, 2014*

**Socail Studies**

Region?
*September 8, 2014*

**Socail Studies**

location?
*September 8, 2014*

**Socail Studies**

The Great Lakes form a part of the border between the United States and Canada. I think this would be Place not Location
*September 8, 2014*

**Socail Studies**

not sure Region or Location
*September 8, 2014*

**Socail Studies**

Interaction
*September 8, 2014*

**Socail Studies**

In the Mid-1800's, grasslands covered the Great Plains in the United States. would this be Location, Place Or Movement? I am thinking Location
*September 8, 2014*

**physics**

Calculate the acceleration of a ball that starts from rest, rolls down a ramp, and gains a speed of 24m/sm/s in 5.8 seconds.
*September 8, 2014*

**physics**

Calculate the distance you will travel if you maintain an average speed of 12km/h for one-half hour.
*September 8, 2014*

**Physics**

Calculate the average speed (in km/h)of Larry, who runs to the store 3.6 kilometers away in 40 minutes.
*September 8, 2014*

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