Friday

February 24, 2017
Total # Posts: 139

**Physics**

A block slides down a frictionless 3m long inclined plane making 10 degrees with the horizontal. The block starts from rest. Find acceleration of the block and its speed at the bottom.

*December 13, 2016*

**Physics**

A dart is loaded into a spring-loaded toy dart gun by pushing the spring in by a ?distance d. For the next loading?the spring is compressed a distance d/3. How much ?work is required to load the second dart compared to that required to load the first? A)nine times as much B)...

*December 13, 2016*

**statistics**

An unfair coin has a probability of coming up heads of 0.55 the coin is tossed 4 times. What is the probability that it lands heads at least once?

*October 17, 2016*

**Math Pre-Cal (Exponential Functions)**

A house was valued at $110,000 in the year 1985. The value appreciated to $145,000 by the year 2005. -What was the annual growth rate between 1985 and 2005? Assume that the house value continues to grow by the same percentage. -What did the value equal in the year 2010?

*February 21, 2016*

**Pre-Cal (Math)**

An instructor has determined that students' grads on the final exam depend on the amount of time, t, they spend studying for it and can be modeled by the formula g(t)=(21t+10)/(20t+45). Note that the function's output is a fraction or decimal which should then be ...

*February 17, 2016*

**Question**

Perhaps unintelligent? Are you trying to write an essay?

*February 17, 2016*

**Help please? Math 141 (Pre-Cal)**

The number of Sasquatch living t years after 2016 is given by the formula s(t)=(51t+84)/(3t+28). -What value does the Sasquatch population approach in the long run? When will the population (rounded to the nearest Sasquatch) reach this value? (This vale would never be an ...

*February 16, 2016*

**Help please? Math 141 (Pre-Cal) (Shapes)**

Thanks for the help, I just started this math course and I'm pretty sure I don't know much derivative calculus yet!

*February 5, 2016*

**Help please? Math 141 (Pre-Cal) (Shapes)**

Hi everyone I am lost on how to do this math problem: A. You have 180 feet of fencing with which to construct a rectangular pen. What is the maximum area you can enclose? B. Going back to part A, you decide to build your rectangular pen next to a large barn. (Assume the barn ...

*February 5, 2016*

**math**

the sum of a number and 19 is at least 8.2.

*January 8, 2015*

**Math**

Solve h/-5=34

*November 13, 2014*

**math**

Simplify 8x-4(5x-3)

*November 13, 2014*

**Math help**

Simplify the expression 6-a+4-12a-11 11a+1

*October 22, 2014*

**Math check**

42ft 1in

*October 15, 2014*

**Math check**

Add and simplify 9 ft 6in 8ft 8in 8ft 5in 7ft 11in 6ft 7 in _______ 38ft 37in

*October 15, 2014*

**Math**

It's 25 then I thought negative plus positive = subtraction but take the sign of the larger absolute value

*October 12, 2014*

**Math**

Is this correct -18+43= 75

*October 12, 2014*

**Math help**

Oh yeah -6, 0, 6.2, 7, 14

*October 11, 2014*

**Math help**

-44, -12, -8 1/2, -6.4, -6, 0, 14

*October 11, 2014*

**Math help**

Order the number from least to greatest -44, -8 1/2, 0, 6.2, -12, -6.4, 14, 7, -6

*October 11, 2014*

**Math**

Sophia owes her brother $25. she gives her brother $18 she earned dog sitting. Write an addition expression to describe the situation

*October 9, 2014*

**Math**

Write and integer for each situation: Is this right A) A profit of $15 $15 B) A withdrawal of $9 -$9

*October 9, 2014*

**Math**

What is twice the sum of 124 and 96? Is this right 124+96=220 220+220=440 answer is 440

*October 9, 2014*

**math**

Can you help me solve Write in to other ways decimal and percent 4/250

*March 18, 2014*

**math**

Write 14,060,000,000,000 in scientific notation

*February 23, 2014*

**math help**

Simplify the ratio 18 to 0.6 Is this right 18 ×10 0.6×10 180/6 6/6 30:1

*February 20, 2014*

**math check**

Round 210,290,290,290.21029 to the nearest ten million 210,300,000,000

*February 16, 2014*

**math**

7/8 p = 14 how to do problem

*February 4, 2014*

**math**

W÷5/6=11/12 how to do the problem

*February 4, 2014*

**math**

W÷5/6=11/12 how to do the problem

*February 4, 2014*

**math**

Find the GCF and LCM of 18 and 42

*February 2, 2014*

**math**

Round 209,999.598 to the nearest hundredths

*February 2, 2014*

**math**

Louis has 7 1/2ft of red ribbon. How many red bows can he make using 3/4ft pieces of ribbon for each bow?

*January 27, 2014*

**science**

What type of star is the Sun?

*January 12, 2014*

**Math**

A spinner is divided into 12 equal segment that are numbered 1 through 12. what is the probability that the spinner will not land on 4 or 5? Reduce if necessary

*December 15, 2013*

**math mixed number**

I'm stuck I don't know

*December 4, 2013*

**math mixed number**

One inch equals 2.45 cm. Express the number of centimeters in an inch as a mixed number 2.54/1×100/100 2 54/100

*December 4, 2013*

**math decimal**

write each fraction or mixed number as a decimal - 56/60 = .93 90/200 = 0.45

*December 4, 2013*

**Math check**

write the decimal as a fraction or a mixed number in simplest form 5.705 5.705/1× 1000/1000 5 705/1000

*December 4, 2013*

**Math check**

write the decimal as a fraction or a mixed number in simplest form 2.67 2.67/1× 100/100 = 267/100 267/100 = 2 67/100?

*December 4, 2013*

**math check**

thanks!

*November 17, 2013*

**math check**

what is half the difference between 187 and 49? 187-49= 138/2 answer is 69?

*November 17, 2013*

**math check**

a rectangle has an area of 319 square centimeters, and a length of 11 centimeters. what is its width? 319-22 =298 widths

*November 10, 2013*

**math check**

2k=14.6 K=29.2

*November 4, 2013*

**Math check**

Round 210, 028, 546, 555 to the nearest million 9,000,000

*October 23, 2013*

**Math check**

Oh yes your right, 1 more crate for the extra dvds thanks

*October 20, 2013*

**Math check**

michael has 79 dvds. He can store 15 dvds in a wooden crate. how many crates will he need 79÷15 = 5 but I get a remainder 4. Is it right to say he'll need 5 crates

*October 20, 2013*

**Math check**

Jack the parrot has learned to say, jack wants a cracker, if he repeats the phrase every 5 minutes for 3 hours and is given a cracker each time he asked for one how many crackers will he eat? 12 crackers ea hour 12 × 3= 36

*October 20, 2013*

**Math check**

If the radius of a circle is 5 cm what is the area? Formula A=pi r^2 A=3.14×5×5 A=78.50

*October 20, 2013*

**Math check**

what is the measure of an angle that is supplementary to the following angle. An Acute angle of 57º 57º+90º= Answer 147º

*October 20, 2013*

**Math**

Pls check - Solve 9^2-7 (16÷2^3) 9^2-7 (16÷8) 81-7 (2) 81-14 67

*October 20, 2013*

**Math**

Pls check - Solve 9^2-7 (16÷2^3) 9^2-7 (16÷8) 81-7 (2) 81-14 67

*October 20, 2013*

**Math**

Pls check write this number in standard form Nine hundred two trillion six hundred seven 902,000,000,000,607

*October 20, 2013*

**Math**

812

*October 20, 2013*

**Math**

peyton has1218 fancy hat in her closet. if payton gives grace 1/3 of those fancy hats how many fancy hats will grace have?

*October 20, 2013*

**Math**

Write six hundred billion,two hundred thousand, two in expanded firm using exponents Please check 600, 000, 200, 002 (6×10^11)+(2×10^6)+(2×10^1)

*October 15, 2013*

**Math**

Its 9

*October 7, 2013*

**Math**

the number is less than 20 it is an odd 1 digit number, is not the number of sides of a triangle it can be divided by 3

*October 7, 2013*

**Math**

Thank you!!

*September 24, 2013*

**Math**

6×(10+6)-6^2 =6×16-6^2 =96-36 =60

*September 24, 2013*

**Math**

Pls check (3×8+4^2)-9 24+16 40-9 31 6×(10+6)-6^2 6×16 96-6^2 96-36 60

*September 24, 2013*

**math**

Order of operation (2×3+7^2)-10

*September 24, 2013*

**Math**

Write each number in expanded form using exponents. Pls check 1, 234 (1*10^3)+(3*10^2)+(2×10^1)+4 210, 290, 450 (2*10^8)+(1*10^7)+(2*10^6)+(9*10^5)+(4*10^4)+5 7,123,456,089 (7*10^9)+(1*10^8)+(2*10^7)+(3*10^6)+(4*10^5)+(5*10^4)+(6*10^3)+(8*10^2)+(9*10^1)

*September 16, 2013*

**Math**

Tom has a bag filled with 10 green balls, 5 red balls and 5 blue balls, what part on toms bag has green balls

*April 23, 2013*

**Math**

One side of a square frame measures 12 inches. What is the perimeter of the frame? Is this right 12*4=48 Perimeter =48

*April 9, 2013*

**Math**

Ok thank you all. I got 138.16 So I round it 138.2

*April 9, 2013*

**Math**

Not sure, it has a line through the middle of the circle with 44mm

*April 9, 2013*

**Math**

Find the circumference of the circle. Round to the nearest tenth. The middle of the circle is 44mm

*April 9, 2013*

**Math**

instruments played in a band include a piano drum guitar and saxophone.dave does not use his mouth to play his instrument. ted and lindas instruments have strings. dave, sue and linda carry their instruments.who plays each instrument?

*March 19, 2013*

**math**

Not sure but I will use that then

*March 6, 2013*

**math**

That's what I had and teacher marked it wrong. She said write it in digit # form

*March 6, 2013*

**math**

Write the value of 8 in digit # form 15.285

*March 6, 2013*

**Math**

The sum of two numbers is 14. The difference of the numbers is 2. What are the numbers

*March 5, 2013*

**Math**

The sum of two numbers is 14. The difference of the numbers is 2. What are the numbers

*March 5, 2013*

**Math**

Write as an improper fraction 2 4/5 Is it 14/5

*February 25, 2013*

**math**

Write as an improper fraction 2 4/5 is it 14/5

*February 25, 2013*

**Math**

Bill spends 30 minutes on his homework. Dave spent three times as long as bill and jill spent twice as long as bill & dave together. How many total minutes did they spend on homework? How many hours is that

*February 19, 2013*

**Math**

Is this correct Find the Range, is it 106 67 23 83 129 23 129-23=106

*February 14, 2013*

**math**

70.55

*February 14, 2013*

**math**

Ok I didn't put the decimal after 87 & I got it wrong (15.58) thanks!

*February 14, 2013*

**math**

Solve 87-16.45=

*February 14, 2013*

**Math**

Write in expanded form 24,307,241 Is this correct 20,000,000+4,000,000+300,000+ 7,000+200+40+1

*December 17, 2012*

**Math**

Rank the following from greatest to least. 297.086, 297.8, 297.062 Is this correct 297.062, 297.086, 297.8

*December 17, 2012*

**Math**

Predict the number of digits in the quotient for 9,010 divided by 8

*December 11, 2012*

**Math**

Sorry I meant 129.63

*December 10, 2012*

**Math**

Solve for v 129.36-v=36.41 is this correct v=93.22

*December 10, 2012*

**Math**

Thanks!

*December 10, 2012*

**Math**

order the following numbers from least to greatest 3.34; 3.034; 3.403 Is this correct- 3.034; 3.34; 3.403

*December 10, 2012*

**Science**

A garden contains 20 different species of plants. Five of these plants are ferns. What percent of the garden is made up of ferns?

*December 4, 2012*

**Math**

Write two word phrases for 6 + v

*December 3, 2012*

**math**

name the operation needed to solve at the airport 72 people are waiting to board 9 different planes. If an equal number of people board each plain, how many people get on each plane?

*November 29, 2012*

**Math**

name the property and explain 26×(2×8)=(26×2)×8

*November 27, 2012*

**Math**

Write 91, 008.34 in word form.

*November 27, 2012*

**Math**

A decade is 10 years. Which expression gives the number of years in d decades, 10+d, 10d, or d÷10. Explain your choice.

*November 26, 2012*

**science**

How are mammals and fish alike

*November 20, 2012*

**math**

Solve each equation by testing the given values for a variable y-9=11 y=18, 19, or 20

*November 20, 2012*

**math**

Two gallons cost $2.90. You have to add

*November 14, 2012*

**Math**

Write an algebraic expression to represent the cost of m gallons of gasoline if each gallon costs $1.45 Is this right M-$1.45

*November 14, 2012*

**Math**

Write an algebraic expression to represent the cost of a concert ticket,h, with a service charge of $6.75.

*November 14, 2012*