Wednesday

February 22, 2017
Total # Posts: 189

**statistics and probability**

Should I round up or round down?

*February 14, 2017*

**statistics and probability**

n a written test given to a large class comprising 42 students, the test scores were found to be normally distributed with a mean of 78 and a standard deviation of 7. A minimum score of 60 was needed to pass the test. A score of 90 or greater was needed to earn an A in the ...

*February 14, 2017*

**statistics and probability**

A company has been studying the performance of their sales department. The measure of performance used is: average monthly sales amount in dollars. For the past 12 months, the average monthly sales amount has been $4,532 with a standard deviation of $386. Calculate the ...

*February 14, 2017*

**statistics and probability**

5. A fastener company is supplying washers to a manufacturer of kitchen appliances who has specified that the outside diameter be 0.500 ± 0.025 inch. Measurements made on 250 washers show that the process is in good statistical control, the diameters are normally ...

*February 14, 2017*

**accounting**

Prepare the journal entries for each transaction. Post to the ledger and prepare a trial balance. May 2 Purchased merchandise on account from Wendy Supply Co. P10,000 terms, 2/10,n/30 3 Sold merchandise for P4,500 terms P500 down balance 2/10,n/30. 4 Paid P500 cash for freight...

*November 18, 2016*

**Algebra**

If the measure of angle 1 = 36 degrees and the measure of angle 2 = x + 3, what is the measure of angle 3? 36 + x + 3 + x + 180 39 + 2x = 180 39-39 + 2x = 180 +39 2x =219 x = 109.5

*September 29, 2016*

**Math**

Ratio of minutes to draw and manage to wash is 4 to 3 how many minutes will a load need to walk if it takes 56 minutes to dry

*September 28, 2016*

**Pre-Calculus/Math**

a slow growing population of animals increases with time (years). the size of the population is given by P(t)=100+0.6t^2-0.004t^3. how fast is the population changing after 10 years?

*September 14, 2016*

**Language Arts**

I think D

*March 31, 2016*

**Language Arts**

Which of the following sentences contains a dependent clause? A. My mother, who never wastes anything, rinsed and saved the take-out boxes. B. We were running late, and we had to skip stopping by the post office. C. I have never been to New York before this spring. D. You ...

*March 31, 2016*

**chemistry**

explain why metal oxides tend to be basic if the oxidation number of the metal is low and acidic if the oxidation number of the metal is high

*January 9, 2016*

**math**

John, Tom & Sue shared 2 pounds of peanuts.What fraction of a pound of peanuts did each person eat?

*December 2, 2015*

**calculus**

assume x and y are functions of t. Evaluate dy/dt for 2xy--4x/3y^3=48, with conditions dx/dt=-6,x=3, y=-2

*November 8, 2015*

**GEOLOGY**

3. How do you think the principle of uniformitarianism accounts for occasional catastrophic events such as meteorite impacts, huge volcanic eruptions or great earthquakes?

*November 5, 2015*

**Math**

John is a 45 year old and wants to retire at age 65. He wishes to make monthly deposit into an account paying 9% compounded monthly so when he retires he can withdraw $320 a month for 30 years. How much should John deposit each month?

*September 20, 2015*

**Math**

How long does it take for an investment to triple in value if it is invested at 9% compounded semiannually?

*September 18, 2015*

**general chemistry**

P in PCl5 has a trigonal planar right? Cl2=P=Cl2 | Cl1 is it right? help me how to determine the angle

*June 28, 2015*

**Algebra**

A. Tell whether x and y show direct variation. Explain your reasoning. 1. x = y - 2 / 9 2. 5x - 3y = 0 My answer: Yes because 5 and 3 pass through the origin (0).

*May 19, 2015*

**painting**

Spoderman is correct. I got 3/3, thank you

*March 19, 2015*

**solid mensuration**

a high way curve is to be laid out on a circle. what radius should be used if a trailer truck is to change direction by 28 degrees in a distance of 112 meters?

*January 15, 2015*

**Music**

What is the name of the pitch that is a fifth above B flat?

*September 26, 2014*

**Oliver Springs**

Please help,Math,Problem;John and George together raked 7/8 of the yard. John raked 3/4 of that amount. What part of the yard did John rake?

*September 24, 2014*

**Algebra**

Solve 5 < x-2 < 11 My answer is 7 < x < 13

*September 22, 2014*

**Algebra**

U = 1,2,3,4,5,6,7,8,9 A = 1,3,5,7 B = 4,5,6 a ⊂ b True or false and B ⊂ U True or false My answers are false for the first one and true for the second one

*September 17, 2014*

**Algebra**

thank you

*September 16, 2014*

**Algebra**

Write the solution to the inequality in set builder notation. 9t - 4 > 32 My answer is (t I t > 4)

*September 16, 2014*

**Algebra**

What would the inequality c + 7 less then or equals 3 look like on a graph?

*September 14, 2014*

**math**

a pharmacist failed to place the balance in equilibrium before weighing 200mg of a drug. later, he discovered a 20% error was incurred. If the balance pan on which he placed the drug to be measured was heavy, how much of the drug in milligrams did he actually weigh?

*September 3, 2014*

**math**

so the answer would be 8.33%

*September 3, 2014*

**math**

a pharmacist measures 60mL of glycerin by difference, starting with 100mL. After completing the measurement, he notes the graduate he used contained 45mL of glycerin. calculate the percentage of error incurred in the measure.

*September 3, 2014*

**Algebra**

Is (0,3) a solution to the equation y =x + 3 his is my teachers answer to my question of usage of the 2 numbers mentioned as possible solutions. yes it does make a difference. (4,8) is called an ordered pair. Ordered pairs are always in the form (x,y) That means the problem ...

*August 26, 2014*

**Algebra**

Thank you both for the answer and humor.

*August 26, 2014*

**Algebra**

There are 8 crackers in 1 serving. 16 crackers in 2 servings, 24 crackers in 3 servings, and so on. How many crackers are in a box of 12 servings, My answer is 8:1 ratio 1 serving = 8 crackers 12 servings at 8:1` ratio - 96 crackers,

*August 26, 2014*

**Algebra**

I guess I assumed by listing them 1,2 That 0 was Y and 3 for x It really doesn't identify it either way

*August 25, 2014*

**Algebra**

Is (0,3) a solution to the equation y = x + 3? My answer is no.

*August 25, 2014*

**Algebra**

Thank you

*August 25, 2014*

**Algebra**

What is the solution to the following equation? 16 = 4x - 4 My answer is 5 because 4 * 5 = 20 -4 = 16

*August 25, 2014*

**Algebra**

Is -7 + 9 = -9 + 7 true false open My answer is false because no matter how you flip it still is going to be false

*August 25, 2014*

**Algebra**

An art student wants to make a model of the classroom. The length of the classroom is 2.4 times its width .The length of the students model is 42 in What should the width of the model be? My answer is 17.5 inches

*August 25, 2014*

**Algebra**

Is 4X - 3 = 19 true false open My answer is true because only one number can satisfy both sides of the equatuion

*August 25, 2014*

**Algebra**

This question never got answered and I would appreciate it if someone could take a look at it. Simplify 12(6^/(5^-4^) + 7 My thoughts 12(36/(5^-4^) + 7 12(36/9) + 7 12 (4) + 7 12 * 11 132 Algebra - Steve, Saturday, August 23, 2014 at 11:49pm Your notation is weird. 5^-4 = 1/5^...

*August 24, 2014*

**Algebra**

Thank yoiu

*August 23, 2014*

**Algebra**

78 was the final yardage for the game. It asks what the yardage was before those last 2 runs so your right. 78 + 5 + 7 would be the answer

*August 23, 2014*

**Algebra**

If you end a game of football with 78 yards. Your l;st 2 runs were -7 & -5. Show an expression of how many yard he had before those last 2 runs. My answer is 78 -5 -7

*August 23, 2014*

**Algebra**

Thank youi

*August 23, 2014*

**Algebra**

Simplify 6xyz/2xz My answer is 3y

*August 23, 2014*

**Algebra**

^ means squared and is the way we have been taught to show it. So the 1st part of your question reads 5 squared - 4 squared 2nd part is 6 squared divided by

*August 23, 2014*

**Algebra**

Simplify 12(6^/(5^-4^) + 7 My thoughts 12(36/(5^-4^) + 7 12(36/9) + 7 12 (4) + 7 12 * 11 132

*August 23, 2014*

**Algebra**

Thank you

*August 23, 2014*

**Algebra**

Simplify (4/7) cubed My answer is 64/343

*August 23, 2014*

**Algebra**

That's what it did mean. Thank you

*August 23, 2014*

**Algebra**

Evaluate m/4 + np^ Where m = 24 n = 6 p = 9 q = 8 My thoughts 24/8 + 8(9)^ 3 + 6(9)^ 3 + 456 489

*August 23, 2014*

**Algebra**

Which property is illustrated? (7p)mn - 7p (mn) My answer is Associative Property of Multiplication

*August 23, 2014*

**Algebra**

What is the expression for the quotient of 6 and the sum of 5 and y? My answer is 6 ---- 5 + y

*August 23, 2014*

**Algebra**

What is the expression for, product of g and 4 My answer is 4g

*August 23, 2014*

**Algebra**

What is the sum or difference for the following. 2x+3/4 My answer is x/2 + 3/4

*August 23, 2014*

**Algebra**

Which property is illustrated? 2x(6) - (6)2x My answer is Commutative Property of Multiplication

*August 23, 2014*

**Algebra**

thank you

*August 23, 2014*

**Algebra**

Simplify 2x^y + 3x^ + 4y + 3x^y + 2y My answer is 5x^y^ + 3x^ + 6y

*August 23, 2014*

**Algebra**

I'm sorry about that but we have been told to use that symbol for a number being squared and I just use it out of habit. Thank you for your help. Faye

*August 23, 2014*

**Algebra**

Simplify 11(9^ - 5^) / 2^ + 8) My answer is 51.3

*August 23, 2014*

**Algebra**

thank you

*August 23, 2014*

**Algebra**

Simplify (3/5) cubed My answer is 27/125

*August 23, 2014*

**Algebra**

Which subset is illustrated? 6 + (2x + 2z) - (6 + 2z) + 2z My answer is Associative Property of Addition

*August 23, 2014*

**Algebra**

What is the difference? 9/5 - 1/6 My answer is 49/30

*August 23, 2014*

**Algebra**

nk you

*August 23, 2014*

**Algebra**

Simplify square root 1/121 My answer is 1/11

*August 23, 2014*

**Algebra**

So the square root of 16 is a real number

*August 23, 2014*

**Algebra**

To which subset of real numbers do square roots belong? My answer is Irrational

*August 23, 2014*

**Algebra**

Order the following from least to greatest. Square root 5, (-5/3), 0.7, square root 2, -.1 My answer is (-5/3), -0.1, 0.7,square root 2, square root 5

*August 23, 2014*

**Algebra**

Thank you

*August 23, 2014*

**Algebra**

Which property illustrates the following statement? 3x(-5) = (-5)3x My answer is Commutative Property of Multiplicative

*August 23, 2014*

**Algebra**

A gym membership costs $25 to join and $14 each month. Write an algebraic expression for a 6 month membership. My thoughts $25 + 6($14) $25 + $84 answer = $109

*August 23, 2014*

**Algebra**

Thank you

*August 23, 2014*

**Algebra**

You made 2 deposits to your bank account this month. 1 deposit was $17.92 and the 2nd was $15.33. Your balance at the end of the month is $72.31, and you made no withdrawals. What expression shows your balance at the beginning of the month? My thoughts ending balance = $72.31 ...

*August 23, 2014*

**Algebra**

Simplify the following 4(20 + 12) / (4 - 3) My thoughts 4(32) / (4-3) 4(32) / (1) 128/1 128

*August 23, 2014*

**Algebra**

Your right the 2 negatives would make the answer a positive 2 instead of a negative 2 Thank you

*August 23, 2014*

**Algebra**

What is the value of xy/w if x = -3, y = 4, and w = -6? My answer is -2

*August 23, 2014*

**Algebra**

Yes that's what I meant. thank you.

*August 23, 2014*

**Algebra**

What is the simplified form? (3/5)^ My answer is 27/125

*August 23, 2014*

**Algebra**

Thank you

*August 22, 2014*

**Algebra**

Find the algebraic expression. Quotient of 8 and the difference of x and m My answer is 8/x-m

*August 22, 2014*

**Algebra**

What is the sum or difference? 5-3x/5 My answer is 1 - 3x/5

*August 22, 2014*

**English**

Is the following sentence an example of using turned as a linking verb? The milk turned sour after sitting on the counter overnight. My answer is yes.

*August 21, 2014*

**Algebra**

Simplify 1/3 (21m + 27) My answer is 7m + 9

*August 21, 2014*

**Algebra**

Describe the differences between a linear function and an exponential function. my answer is Linear functions have a constant rate of change while an exponential function has a constant finite ratio.

*August 20, 2014*

**Algebra**

Thank you

*August 20, 2014*

**Algebra**

Simplify 5^4 / 5 I know that the answer isn't 1

*August 20, 2014*

**Algebra**

Thank you

*August 20, 2014*

**Algebra**

Simplify y^3/y^10 My answer is 1/y^7 but I'm not sure of the steps that got me to the answer.

*August 20, 2014*

**Health**

Repetitive and short-term exercises requires anaerobic energy. True or False My answer is False

*August 18, 2014*

**Health**

Muscular endurance is defined as the greatest amount of force that a muscle group can exert in a single effort. True or False My answer is false

*August 18, 2014*

**Health**

Repetitive and short-term exercise require anaerobic energy. True or false My answer is true

*August 18, 2014*

**Health**

Body fat is defined as the proportion of fat that is in your body compared to your bone and muscle. True or False My answer is true because to me its the component that refers to the ratio of fat to lean body mass.

*August 18, 2014*

**Health**

Flexibility is the ability to maintain control of your body while stationary or moving. true or false My answer is false because to me flexibility is the ability to move a joint through its full range of motion.

*August 18, 2014*

**Health**

Power is the key element that will enhance improvement of muscular strength and endurance. True or False My answer is False because I think there are other factors involved in endurance.

*August 18, 2014*

**Algebra**

Simplify 7m² + 6.5n -4n + 2.5m² My answer is 9.5m² + 1.5n

*August 18, 2014*

**Algebra**

To which subset of rel numbers does the number -22 belong? whole numbers rational numbers integers irrational numbers natural numbers I know it's an Integer but I'm not sure of the second answer.

*August 17, 2014*

**Algebra**

I see where I made my mistake. Thank you

*August 16, 2014*

**Algebra**

Simplify the expression (7+5) + 4 * 13 - 2 My answer is 12 +4 * 13 -2 16 * 13 -2 16 * 11 176

*August 16, 2014*