# Posts by Trey

Total # Posts: 114

Math
Thanks, Ms.Sue

Math
200 sheets?

Math
Because i guessed

Math

Math
Eric bought a package of loose leaf paper that contained 500 sheets. In the first week, he used 1/5 of the paper. During the next two weeks, Eric used 2/5 of the remaining paper. How many sheets of paper did Eric have available at the start of the fourth week? Choices A. 100 ...

College Math
is the difference of Chrissy's height and 14 .

math
a researcher tagged 100 frogs in a pond. One week later she took a sample and only 5 out of 20 were tagged. Using this method how many frogs would she estimate are in the pond

algerbra
A plane flies from new york to chicago (a distance of 1,600 miles) at 400 mph. Returning from Chicago to New York it flies into a headwind and averages only 320 mph. How many hours total was the plane in the air for the entire trip?

Geometry
21

math
O ok its = because I had a 0 at the end that's considered to be invisible

math
Compare. Write <,>, or = 5.37 < 5.370 is the answer

Calculus
An airplane has airspeed of 724 k/h at bearing of North 30 degrees East. If the wind velocity is 32 from west. find the ground speed and direction of plane. Teacher gives solution of 740.5 k/hr and 57.9 degrees. Can anyone show steps?

Social Studies
Can you check my answers? My answers are marked with this: (*) 1. What was the effect of World War I on South Carolina? A. The state economy shrunk significantly. *** B. Citizens used more resources, such as meat and fuel, than before the war. C. Factory production slowed and ...

Math
The ratio of chickens to cows in the barn is 5 to 9. The ratio of people to buildings is 12 to 15.

English
true

English
Using the words biometer chronometer hydrometer micrometer perimeter phonometer thermometer put them in the correct order in sentences below. PLEASE CORRECT ME IF I'M WRONG!! 1.The THERMOMETER registered an increase in temperature. 2.He used a BIOMETER to determine which ...

Algebra
Itcwas a vine can

language
Which of the following sentences is punctuated correctly? A. After you sign the agreement it is too late of course, to change your mind. B. After you sign the agreement, it is too late of course to change your mind. C. After you sign the agreement, it is too late, of course, ...

language
Which of the following sentences is punctuated correctly? A. A carpenter must use certain tools, hammers, saws, chisels, to finish a job. B. A carpenter must use certain tools hammers, saws, chisels -to finish a job. C. A carpenter must use certain tools - hammers, saws, ...

language
The gist of the saying went something like this: If a person wants to get ahead in life, you have to be willing to work for it. Which of the following language conventions is violated in the sentence above? A. Use of a colon B. Verb tense C. Pronoun-antecedent agreement D. ...

language
Which of the following sentences is written correctly? A When properly designed, an automobile can achieve great fuel efficiency. B. When properly designed an automobile can achieve great fuel efficiency. C. When properly designed, great fuel efficiency can be achieved by an ...

language
Jimmy you must leave the room shut the door and be quiet. Which of the following options correctly punctuates the sentence above? A Jimmy, you must leave the room, shut the door, and be quiet. B. Jimmy; you must leave the room, shut the door and be quiet. C. Jimmy you must ...

language (sentence fluency)
Which of the following options best demonstrates sentence fluency? A The two boys went to the store to buy some milk with their mother and her boyfriend, who had a broken foot after supper. B. The two boys went to the store to buy some milk after supper with their mother's...

math
A gumball machine contains red, orange, yellow, green, and blue gumballs. Twenty percent of the gum balls are red, 30% are orange, 5% are yellow, 10% are green, and the rest are blue. If there are a total of 120 gumballs, how many more blue gumballs are there than yellow ...

math
Three pools are being drained for the winter. It takes Pool B twice as long to drain compared to Pool A, and it takes Pool B three times as long to drain compared to Pool C. If Pool C drains in 6 hours, which of the following is the number of hours it takes Pool A to drain

math
7 minutes, 15 seconds per mile B. 7 minutes, 30 seconds per mile C. 8 minutes, 15 seconds per mile D. 8 minutes, 30 seconds per mile

math
Two runners are competing in a race. One runner averages a pace of 7 minutes per mile and finishes the race in 28 minutes. The second runner finishes the race in 30 minutes. Which of the following is the pace of the second runner

algebra
x+2.5=8 x=8-2.5 x=5.5 hours

MATH
3/4

Algebra
Please help with this: Write a polynomial in standard from with the zeros -2, -2 and 2. I remember that (x-a)(x-b)(x-c)=0 but I forget what exactly to do.

math
10 tsp 5 tsp/32oz x 2 lbs/x tsp x 16 oz/1 lb equals 10 tsp

math
8 cups

MATH
76

Math
If b varies directly as the square root of w and b equals a negative 24 when w equals 36, what is w when b is equal to 1/8?

How many milliliters of glacial acetic acid (17.3 M) would you need to titrate an aqueous solution of 100 grams sodium acetate (MW = 82.0 g mol-1) to get a final pH of 5.00 and a final volume of 1.00 liter? The pK’ for acetic acid is 4.76. Show your work.

Chemistry really desperate
How many milliliters of glacial acetic acid (17.3 M) would you need to titrate an aqueous solution of 100 grams sodium acetate (MW = 82.0 g mol-1) to get a final pH of 5.00 and a final volume of 1.00 liter? The pK’ for acetic acid is 4.76. Show your work.

Desperate chemistry
How many milliliters of glacial acetic acid (17.3 M) would you need to titrate an aqueous solution of 100 grams sodium acetate (MW = 82.0 g mol-1) to get a final pH of 5.00 and a final volume of 1.00 liter? The pK’ for acetic acid is 4.76. Show your work.

Chemistry
How many milliliters of glacial acetic acid (17.3 M) would you need to titrate an aqueous solution of 100 grams sodium acetate (MW = 82.0 g mol-1) to get a final pH of 5.00 and a final volume of 1.00 liter? The pK’ for acetic acid is 4.76. Show your work.

I don't know how do i find it

math
Marsha is using an 8-ft ladder to pick apples from a tree. If the bottom of the ladder is 3-ft from the bottom of the tree , calculate the angle of elevation to the nearest degree.Make sure to include diagram.

I CANNOT BELIEVE THIS IS A THIRD GRADE WORKSHEET! THIS IS SOO INAPPROPRIATE. THEY HAVE NEVER DONE LONG DIVISION OR REMAINDERS & THERE IS ONE WEEK OF SCHOOL LEFT & THIS IS WHAT THE TEACHER HANDS OUT.....86 DIVIDED BY 9, 17 DIVIDED BY 3, 73 DIVIDED BY 8 ! HOW MANY FLUID OUNCES ...

Drew borrowed $1,250. He made 12 payment of$118

That's what I thought, but that sure seems a little advanced for 3rd grade. Thank you so much for all your help I really appreciate it!

Thanks, We did that part, but what confused us was that the problem said 8 bouquets with the SAME NUMBER of each type of flower in each bouquet. Maybe I'm just reading into it to much

Shondra has 72 roses and 48 lilies. She wants to make 8 bouquets with them, with the same number of each type of flower in each bouquet. How many flowers will be in each bouquet?

Chem
apples.

math
If you are calculating surface area of a right circular cone topped with a hemisphere. the radius is 4 cm and the rt angle is 8 cm...what is the lateral surface area. Is it 8.94 or is it 9? Explain answer please. Thanks

math
what distance formula would you use to solve this problem? A boat starts at point A, moves 3 km due north, then 2km due east, then 1 km due south, and 4km due east to point B. Find the distance AB.

pythagorean theotem
what is A=7 ft b=21 ft

geometry
to make them more streamlined

trig
whats 21° 44' 3" as a decimal to the nearest thousandth of a degree

physics
Objects of masses m1 = 4.00 kg and m2 = 9.00 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The object m1 is held at rest on the floor, and m2 rests on a fixed incline of θ = 41.0°. The objects are released from rest...

physics
Objects of masses m1 = 4.00 kg and m2 = 9.00 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The object m1 is held at rest on the floor, and m2 rests on a fixed incline of θ = 41.0°. The objects are released from rest...

algebra
i have tried for a long time and just cant come up with the rule for this function table. x= 1 2 3 4 5 and 6 y=180 165 150 135 120 and 105 if any one can help me thanks.

geometry
have an area of 11 square centimeters. I am made up of whole square centimeters. My length is 4 cm. I am not a rectangle. What am l?

math
6n+5 if n =4.5 what is n

Statistics
Data Information: Wage Income Statistics: Men VS Women Wage gap, by description, is the difference in salary among two groups of people. The description is associated with the practice of paying one gender more than the other. For many years there has been speculation and ...

ut
The density of an unknown metal is 8.94 g/cm^3 and its atomic radius is 0.126 nm. It has a face-centered cubic lattice.

Math
60

chemistry
how much energy would it take to completely melt 200kg of lead if the lead is currently at 25 degrees celcius

No. 3 unequal groups can not be multiplied.

social studies
i cant unscramble sartina

science
animals need what to get rid of body waste?

y=6-2x 7x-y=3

a rhombus has a perimeter of 44 centimeter and a diagnol 12 centimeters long. wat the area?

Biology
Suppose you have monohybrid pea plants in your garden and find that they produce round seeds to wrinkled seeds in the ratio of 3:1. If the alleles are designated R and r, respectively, what are the probable genotypes of the wrinkled seeds produced by your plants?

pre-calculus
Find the transformed equation of the hyperbola xy = 4 when rotated 45?

geometry
Determine wether triangle deef is cogruent to triangle pqr given the coordinates of the verticles. D(-6,1),E(-1,-4),P(0,5),Q(7,6),R(5,0)

math
Explain how you could show five less than a number using an expression.

U.S. History
Define the following: 1) Valley Forge 2) Battle of Trenton 3) Battle of Saratoga 4) Battle of Yorktown 5) Treaty of Paris of 1783 6) Egalitarianism

birchwood elementary
what is te magnitude estiamte of 6 divide by 78.6 and wht place value is it in

physics
Rubidium forms the postive Rb+ Is this ion larger or smaller then the neutral atom? Explain PLEASE

Statistics
The ____________ is a hypothesis-testing procedure in which there are two separate groups at people tested and the population variance is not known. - t test for dependent means - t test for a single sample - t test for independent means - t test for repeated measures

Statistics
Suppose a researcher wants to study the effectiveness of a new reading program for students who have not acquired the necessary reading skills by the time they reach the 8th grade. A randomly selected group of 50 students from a local junior high with poor reading skills will ...

Statistics
Consider a study in which the population variance estimate based on treatment group of 14 participants is 8, and the population variance estimate based on a control group of 17 individuals is 9. Compute the pooled estimate of population variance. - 7.25 - 8.55 - 9.22 - 10.05

Statistics
Cohen's conventions for the t test for independent means are approximately _____ for a small effect size, ____ for a medium effect size, and ______ for a large effect size? - .1, .3, .5 - 2, 4, 6 - .2, .5, .8 - 3, 6, 9

Statistics
A sociologist interested in cultural differences compared women of two ethinic groups on a Role Approval Index (high scores mean high degrees of approval of one's social role). The results are as follows: Ethnic Group A: N = 15 M= 55 S2 = 6.5 Ethnic Group B : N = 23 M= 51 ...

Statistics
If the standard deviation of the distribution of the difference between means is .76, what is the t score? - (15 - 23) / 0.76 = -10.53 - (0.76)(15-23) = -8.00 - [(6.5 + 4.5)/2][0.76] = 4.18 - (55 - 51) / 0.76 = 5.26

Statistics
In an analysis of variance, if the null hypothesis is true then: - The research hypothesis is also true -You will need fewer participants for the experiment - There is less variance among the sample means than if the null hypothesis was not true - The within-group estimate of ...

Statistics
A mathematically defined curve that is the comparison distribution used in ANOVA is called the: - Normal distribution - Chi Square distribution - F distribution - T distribution

Statistics
Suppose a researcher wants to study the effectiveness of a new reading program for students who have not acquired the necessary reading skills by the time they reach the 8th grade. A randomly selected group of 50 students from a local junior high with poor reading skills will ...

Statistics
S2Within" equals: - the sum of squares within each group - the square root of the standard within-group deviations from the mean - the squared variance within groups - the population variance estimate based on the variation within each of the groups.

algebra
what is the next number in the following series? 16 21 26 26 12 5 ? hint" just because numbers are used doesn't always mean the relationship between them is mathematical. these numbers spell a word

Math
The side of a square is (Radical 18). What is the area of the square? A) 18 B) 36 C) 9 D) 4 (radical 18)

geometry
The measure of an angle's supplement is 44 less than the measure of the angle. Find the measure of the angle and its supplement.

math
Family income $61,575 Pre cal how would you find the exact value of this expression?? 2sin15°cos° Math New Car. A game show gives away 2 new cars. One car is worth$50,000 and the other car is worth $40,000. Two members of the audience are randomly selected to participate and receive one of the two new cars. What is the expeted value if you are randomly chosen and you had to ... Math Raffle. There is a prize drawing for a new computer and a new stereo system. Suppose there are 1500 raffle tickets sold. The computer is worth$1000 and the stereo is worth $500. If the ticket cost$5, what is the expected value if you purchase one ticket?

Calc
A particle is moving along the curve y= 3 \sqrt{3 x + 4}. As the particle passes through the point (4, 12), its x-coordinate increases at a rate of 4 units per second. Find the rate of change of the distance from the particle to the origin at this instant.

math
express 2/5 as a percent

GEOMETRY
a type of mean or average, which indicates the central tendency or typical value of

Math
x^2+9x/x^2-81

what does an oblique line look like

they live in groups

College
is this a good field of study? communication degree. what kind of job can I obtain with this degree

Physics
If you are viewing a hologram and you close one eye, will you still perceive depth? Explain.

Physics
How can you determine the polarization axis for a single sheet of Poloroid?

1. Pages:
2. 1
3. 2
4. Next>>

Post a New Question