Saturday

July 23, 2016
Total # Posts: 1,107

**Math Makes Sense Grade 3**

Colour the spinner red and blue. Make it so that when the pointer is spun, the probability of landing on blue is 1 in 4. What is the probability of landing on red?
*June 8, 2016*

**Math Makes Sense Grade 3**

Make a spinner with 3 colours. I chose green, red and blue. Colour it so that when the pointer is spun, the probability of landing on the green is 2 in 4. What is the probability of landing on either of the other 2 colours.
*June 8, 2016*

**Financial Math**

6 character computer password is made up of 4 numbers followed by 2 letters. How many different passwords are possible?
*May 24, 2016*

**physics**

Find the number of moles in 2.00 L of gas at 35.0°C and under 7.41×107 N/m2 of pressure. Select one: a. 0.051 moles b. 51 ×105 moles c. 58 moles d. 5.8 moles
*May 17, 2016*

**Calculus**

Thank you so much Sir!
*May 12, 2016*

**Calculus**

A searchlight revolving once each minute is located at a distance of 1/4 mile from a straight beach. How fast is the light moving along the beach when the beam makes an angle of 60° with the shore line?
*May 12, 2016*

**Calculus**

A building is to be braced by means of a beam which must pass over a wall. If the wall is 3 3/8 feet high and stands 8 feet from the building, find the shortest beam that can be used.
*May 11, 2016*

**Math**

7 boys share 5 chocolate bars equally how much do the get?
*May 11, 2016*

**Calculus**

The answer is 2/e and I don't even have a clue on how to solve it.
*May 11, 2016*

**Calculus**

Find the area of the largest rectangle cut from the first quadrant by a line tangent to the curve y=e^(-x^2)
*May 11, 2016*

**st josephs**

for the next 4 years you will get the following cash flow. $420 $520 $750 $540. Assume that the interest is 5.5% how much money will you have in 4 years
*May 4, 2016*

**Calculus**

A light hangs 15 ft. directly above a straight walk on which a man 6 ft. tall is walking. How fast is the end of the man's shadow travelling when he is walking away from the light at a rate of 3 miles per hour?
*May 2, 2016*

**Calculus**

Why did it become 5+5t?
*May 1, 2016*

**Calculus**

One ship is sailing south at a rate of 5 knots, and another is sailing east at a rate of 10 knots. At 2 P.M. the second ship was at the place occupied by the first ship one hour before. At what time does the distance between the ships not changing?
*May 1, 2016*

**Life orientation grade 12**

fraud and corruption
*April 30, 2016*

**Calculus**

Thank you so much!
*April 30, 2016*

**Calculus**

Find the area of the largest rectangle having one side on the x-axis and inscribed in a triangle formed by the lines y=x, y=0 and 3x+y=20.
*April 30, 2016*

**Calculus**

Thank You
*April 28, 2016*

**Calculus**

Find the dimensions of the largest right circular cylinder that can be inscribed in a sphere of radius 6 inches.
*April 28, 2016*

**life orientation**

how the fraud and corruption affected the offende's career?ke kgopela go kopa nyana gyz
*April 27, 2016*

**math**

If a short quiz consist of 10 True False questions, then how many different ways are there to answer the 10 questions? Assume each question is randomly answered.
*April 17, 2016*

**Algebra**

Plane B travels 1000 km at a speed 50 km Are you sure u copied the sentence correct cuz the unit of speed is km/hr (m/s) in SI
*April 15, 2016*

**math**

x-y=33 3x-6y=18 By solving system of equations X=-60 y=-27
*April 15, 2016*

**algebra**

You pot the dots on the graph and you connect it to form a line since its a linear equation y=-5/6x-18/3
*April 15, 2016*

**science**

Isn't there initial speed
*April 15, 2016*

**Algebra 2**

Thank you
*April 15, 2016*

**Algebra 2**

Parabolas - you are my last resort: Find a quadratic function in standard form for each set of points. (0, –4), (1, 0), (2, 2) Can't print answer choices
*April 15, 2016*

**physics**

A charged capacitor (AB) carries on its plate A a charge Q=-1.2mC a) What is the charge carried by plate B. b) Is the voltage U (AB)=V (A)-V (B) positive or negative. c) The plates A and B are connected to the terminals of a resistance R: the capacitor gets discharged. What ...
*April 14, 2016*

**physics**

A charged capacitor AB carries on its plate A a charge Q=-1.2mC What is the charge carried by plate B. Is the voltage U(AB)=V(A)-V(B) positive or negative, The plates A and B are connected to the terminals of a resistance R: the capacitor gets discharged. What are the charge ...
*April 13, 2016*

**physics**

A capacitor is formed of two identical coaxial disks of diameter 28cm. The distance d between the disks is adjustable . Calculate the capacitance of this capacitor at d=5mm. What becomes the value of this capacitance if a glass sheet 5mm thick is inserted to fill the gap ...
*April 13, 2016*

**L.o**

the is a poor service delivery in our community and government does not meet the needs of the community
*April 13, 2016*

**USA TEST PREP**

I pull out all the stops and start my thorough speculation. In line 8, which literary device does the author use to create a musical quality? a) allusion B) free verse C) alliteration D) onomatopoeia
*April 6, 2016*

**Algebra 2**

What is the equation of the function y = (3/x) translated 4 units to the right and 5 units down?
*March 24, 2016*

**Business law**

State the issue, the law, an analysis and conclusion for the following case:- Mr Mehra was the managing director of Oakprime Ltd, the beneficiary under a letter of credit which had been issued by Trinidad National Bank (TNB) and confirmed by Standard Chartered Bank, London (...
*March 22, 2016*

**Algebra 2**

Thank you very much
*March 18, 2016*

**Algebra 2**

Simplify the sum. (w2 + 2w – 24 + ) / (w2 + w – 30) (All the other help I can find they add +8w and -5w) please help.
*March 18, 2016*

**math**

Susie wants to make some hot cereal for breakfast.The directions say to use 3 cups of water with 1 cup of cereal to make 4 servings.Susie only wants 1 serving.How much cereal should she use?
*March 14, 2016*

**Algebra 2**

Designer Dolls, Inc. found that the number N of dolls sold varies directly with their advertising budget A and inversely with the price P of each doll. The company sold 1,800 dolls when $34,000.00 was spent on advertising, and the price of a doll was set at $25.00. Determine ...
*March 14, 2016*

**Algebra 2**

How do I express a number like 27 ^2/3 as a rational number in its simplest form? 31 25.6 123 16 I keep getting 83/3 and that = 27.66
*March 10, 2016*

**accounting**

Harris Fabrics computes its predetermined overhead rate annually on the basis of direct labor-hours. At the beginning of the year, it estimated that 20,000 direct labor-hours would be required for the period? estimated level of production. The company also estimated $94,000 of...
*February 27, 2016*

**Alg 2 function operations**

Thank you, I will share with my granddaughter I am trying to help.
*February 25, 2016*

**Alg 2 function operations**

Let f(x) = -5x -4 and g(x) = 6x -7. Find f (x) + g(x) –11x + 3 x + 3 –11x – 11 x – 11
*February 25, 2016*

**Health, safety, and nutrition**

a.avoiding emotional upset during lunchtime. b.planning meals and snacks every 3-4 hours. c.serving meals that are appealing to children's sight, aroma, and taste. d.ignoring distractions such as parents coming early to pick up children during meal time.
*February 23, 2016*

**Health, safety, and nutrition**

All of the following help teachers to create an environment that enhances and supports the natural rhythms of eating EXCEPT:
*February 23, 2016*

**Algebra 2**

I believe you are correct. I can't find any help from any other source online. Double checked the input. Thanks.
*February 22, 2016*

**Algebra 2**

What is the solution of the equation? Sqrt x + 10^-9 = -7 –6 4 14 –8 You are my last hope to getting this.
*February 22, 2016*

**english **

I don't understand what the question is asking. Can someone help me understand. What can you take greater responsibility for as a student, and if you were to do so, what outcome(s) might you create?
*February 19, 2016*

**nutrition,health,and safety for young children**

which of the following is NOT a strategy for addressing maltreatment and violence? a. Provide continuity in daily routines. b. Provide appropriate ways to emotions. c. Acknowledge and support individual needs and coping strategies. d. Make choices for children, so they are not...
*February 19, 2016*

**nutrition,health,and safety for young children**

what should early childhood teachers do when children are interested in exploring frightening topics
*February 19, 2016*

**Algebra 2**

That makea it 3/5 and that is not one of the answers.
*February 13, 2016*

**Algebra 2**

How is the expression log 32 - log 8 written as a single logarithm? log 4 log 8 log 24 log 40
*February 13, 2016*

**English**

Which of the following sentences is written in the passive voice? -Charlie ran down the street. -The delicious bread is baked by Mr. Jillin.<<<<<? -The plane will fly at five o’clock. -Kristin played with her dolls.
*February 12, 2016*

**nutrition,health, and safety for young children**

Eighty-nine percent of illnesses among children in child care settings are attributed to which of the following a. Respiratory tract illnesses b. Skin infections c. Acute infectious diarrhea d. Intestinal infections
*February 12, 2016*

**nutrition,health, and safety for young children**

Eighty-nine percent of illnesses among children in child care settings are attributed to which of the following
*February 12, 2016*

**Nutrition,Health,and Safety for Young children**

Which of the following statements is true about modes of transmission for infectious agents
*February 12, 2016*

**Algebra 2**

Which of the following binomials is a factor of x^3+4x^2+x-6 x-2 x+2 x-4 x+4
*February 11, 2016*

**Algebra 2**

Thank you, I was confused on that one.
*February 10, 2016*

**Algebra 2**

Solve the system by substitution 2x + y = -11, 3x – 4y = 11 (3, 5) (–5, –3) (–3, –5) (5, 3)
*February 10, 2016*

**Health, Safety, and Nutrition **

Which of the following statement is true about modes of transmission for infectious agents?
*February 7, 2016*

**Reading/Writing**

I forgot to ask: is it good? Does it need any improvements? Thanks ^^
*February 3, 2016*

**Reading/Writing**

I really need help asap with my subjective letter for my NJHS Application. Please answer fast- it is due tomorrow!! --- To the National Juniors Honor Society: I express my gratitude for selecting me, Sandra Garcia, as a possible member of the National Junior Honors Society (...
*February 3, 2016*

**mathematics**

If an amount of money A results in investing a sum P at a simple interest rate of 7% for 10 years, then A = 1.7P. Graph this equation for ordered pairs (P,A).
*January 20, 2016*

**Math**

The angles of elevation of the highest point of a building from two points S and T are 60 degree and 30 degree respectively,T is vertically above S and ST=10m.Calculate the height of the building above the level of S
*January 6, 2016*

**math**

My thousandths digit is twice the tenths digit. My tenths digit is one less than the hundredths digit. If my hundredths digit is 5, what's my number? January 5, 2016 by Sandra
*January 5, 2016*

**Computer science**

I need an answer to that exact question too. Please help. I really do not understand the question one bit.
*December 29, 2015*

**math**

Thank you Ms. Sue so much!! You help with my studies and grades alot!! :D I just hope that you could be my tutor in real life ;D That would be amazing.
*December 28, 2015*

**math**

six more than the product of three and five
*December 28, 2015*

**MATH-Algebra 3**

The Hernandez family left for a vacation at 8 a.m. By noon they were 208 miles away from home and the family stopped to get lunch. Calculate the average rate of change. I don't know what the rate of change is... I mean, I got that they were traveling at 52mph is that the ...
*December 15, 2015*

**Algebra 2**

Thank you
*December 7, 2015*

**Algebra 2**

Use synthetic division to find P(3) for P(x) = x4 – 6x3 – 4x2 – 6x – 2 3 –137 299 –47
*December 7, 2015*

**Chemistry**

34.09 ml of 0.251 M KOH is required to tritate a 10.2951 g sample of acetic acid solution. The density of the solution had been previously found to be 1.007g/ml. what is the molarity of the aetic acid solution?.
*December 6, 2015*

**Algebra 2**

What are the zeroes of y = x2 + 2x – 8? –4, 2 4, –2 –4, –2 4, 2
*December 4, 2015*

**Algebra 2**

Simplify the expression. -6 + i / -5 + i
*December 1, 2015*

**Finite Math**

If the apartment is hot and the air conditioner is worker, then the temperature is 90%
*November 28, 2015*

**Algebra 2**

Simplify the number using the imaginary unit i. (sqrt)of -28 •2(sqrt)-7 •-2 (sqrt)-7 •i (sqrt)28 •2i (sqrt)7
*November 27, 2015*

**Algebra 2**

I do not know how to transfer the graph to Jiskha. Do you? Thanks much.
*November 8, 2015*

**Algebra 2**

Jack is selling wristbands and headbands to earn money for camp. He earns $2 for each wristband and $3 for each headband. He wants to earn at least $50. He needs to sell at least 5 wristbands. Which system of inequalities is shown in the graph of the solution below? • 2x...
*November 8, 2015*

**Astronomy**

Why is the greenhouse effect on Earth not as drastic as on Venus? -There is no carbon dioxide in Earth’s atmosphere. -The oceans dissolved much of the carbon dioxide. -Earth is smaller than Venus so it can’t hold the gases in the atmosphere. -There is more carbon ...
*October 28, 2015*

**Astronomy**

Why is the greenhouse effect on Earth not as drastic as on Venus? There is no carbon dioxide in Earth’s atmosphere. The oceans dissolved much of the carbon dioxide. Earth is smaller than Venus so it can’t hold the gases in the atmosphere. There is more carbon dioxide...
*October 27, 2015*

**Algebra**

I am not getting any of the posted answers: Solve the system using elimination. 2x + 6y = -12 and 5x – 5y =10 (2, 1) (0, –2) (–2, 0) (1, 2)
*October 26, 2015*

**Algebra 2**

Thank you, that makes more sense.
*October 26, 2015*

**Algebra 2**

Solve the system by substitution. 2x + y = -11 3x - 4y = 11 (3, 5) (–5, –3) (–3, –5) (5, 3) How?
*October 26, 2015*

**Maths **

Find the physical area between the curves y=sin(2x) and y=cos(x) from x=pi/2 to x=3pi/2
*October 24, 2015*

**Astronomy**

Thanks much!!
*October 24, 2015*

**Astronomy**

Which process explains why the terrestrial planets do not have hydrogen and helium in their atmospheres? thermal escape (??) condensation out gassing solar wind
*October 24, 2015*

**math**

how to explain the answer of 2.35 x 10 to the 14th power... and also explain how i got the answer of 2.35 X 10 to the 13th power... Thank you very much
*October 19, 2015*

**Algebra 2**

Which set of ordered pairs in the form of (x, y) does not represent a function of x? {(0, 2), (1, –1), (2, 3), (3, –2)} {(0, –2), (1, 1), (2, 3), (3, –2)} {(0, 2), (–1, –1), (2, –3), (3, 2)} {(0, 2), (1, 2), (1, –2), (3, 2)}
*October 17, 2015*

**Astronomy**

________ collided and merged, forming planets. Protosuns Protoplanets Extrasolar planets Planetesimals
*October 8, 2015*

**physics**

In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 43.7 m/s in a time of 6.50 s. The mass of the car and riders is 3.24 × 103 kg. Find the average net force exerted on the car and riders by the magnets.
*October 7, 2015*

**Astronomy **

Light is absorbed and emitted in the form of ________, which are “packets” of electromagnetic radiation that carry a specific amount of energy. photons ions excited atoms?? protons
*September 25, 2015*

**Health, Safety, Nutrition **

Which of the following is the most effective way to decrease the incidence of foodborne illness?
*September 21, 2015*

**American Government**

According to the Articles of Confederation, this power was granted to Congress. to regulate trade to enforce laws to amend the Articles of Confederation to levy taxes - This one?
*September 19, 2015*

**Early Childhood**

The association between the presence of thimerosal in vaccines and autism is
*September 10, 2015*

**Algebra**

Thank you, yes.
*September 9, 2015*

**Algebra**

I calculate $660.00
*September 9, 2015*

**Algebra**

Yesterday you borrowed $30 from your brother. Every day that you don't pay it back, you owe $2.00 more. So today, day 1, you owe him $32.00; on day 2 you will owe him $34.00; on day 3 you will owe him $36.00, etc. If you still haven't paid him back, how much will you ...
*September 9, 2015*

**maths**

A mansoon had made a concerte slab ,he needs it to be a regtangular ,in what different ways can he make sure that it is a regtangular ?
*August 29, 2015*

**world history**

which of these was the focus of mongol unity a. loyalty to khan b. shared descent from one family c. common tribal identity My answer A
*July 20, 2015*

**world history**

do you think my answewr is correct
*July 20, 2015*

**world history**

the toba were a: a. Mongolian nomadic that conquered the northern of China. b. Chinese family that battle Xiongnu NU for control my answer A
*July 20, 2015*