Posts by Daniella

Total # Posts: 79

chemistry
A quantity of 85.0 mL of 0.900 M HCl is mixed with 85.0 mL of 0.900 M KOH in a constant-pressure calorimeter that has a heat capacity of 325 J/?C. If the initial temperatures of both solutions are the same at 18.24?C, what is the final temperature of the mixed solution? The ...

Math
Brady buys 3 gallons of fertilizer for his lawn. After he finishes spraying the lawn, he has 1 quart of fertilizer left over. How many quarts of fertilizer did Brady spray on his lawn?

L.A.
Thanks!

L.A.
Hi! Could you tell me what this means? I have a question on my homework with this word in it and I was wondering what it meant. If someone could let me know ASAP, that'd be great. Although, if you're working on another question, take your time. My question is: What ...

Math
5*(9+5)-48÷(8+4)

English
Is this right? Complete subject: Sniffer dogs Simple subject: dogs Sniffer dogs trained to detect drugs, blood, and explosives can help solve crimes and save lives.

Geography
Perhaps

Geography
Dont know

Geography
Why did the original farms on the Prairies turn out to be too small? What happened as a result of this? -------------------------------------- I think it has to do with the joining of the farms, to make one big lot, leaving more space, as a result the farms became quite narrow...

Mathematics
The co-ordinates of point A and B are (2,3) and (4,-3) respectively,find the length of AB

Biology
What can happen to our virtual finch population if the weather changes between wet and dry conditions too rapidly? A- The mutation rate may fall to zero. B- The distribution of beak sizes may cease to be bimodal. C - The finch population may go extinct. D - Beak size may cease...

Maths
The 3rd term of an ap is 9 while the 11th term is -7,find the first five term of ap

physics
Vector V⃗ 1 is 6.5 units long and points along the negative x axis. Vector V⃗ 2 is 8.3 units long and points at 60 ∘ to the positive x axis.

Math
3.Belinda wants to invest $1000. The table below shows the value of her investment under two different options for three different years: Number of years 1 2 3 Option 1 (amount in dollars) 1100 1210 1331 Option 2 (amount in dollars) 1100 1200 1300 Part A: What type of function...

science
is the sun reflected on the earth and I hate u

math
Sondra has a conical bird feeder with a circular top. The volume of the bird feeder is 153.86 cubic inches. The height of the feeder is 12 inches. What is radius of the top? Use 3.14 for mc019-1.jpg. Round the answer to the nearest tenth.

concept development
Which of the following is the crux of the interrelationship between mathematics and science? A. About half of the basic math concepts are related to science concepts. B. The basic concepts of mathematics are the basic process skills of science. C. Basic mathematics process ...

concept development
thanks ms.Sue

concept development
Which of the following is not a reason to make mathematics and science instruction relevant? A. To protect schools from being sued for discrimination B. To consider diversity in race, ethnicity, social class, and gender C. To build on concepts that children learn before they ...

concept development
Free play, eating a snack, painting, hearing a story, and so forth are related to which of the following learning concepts? A. Space B. Classification C. Size D. Time my answer is d.

Concept development
A lesson plan is important for a teacher because it helps the teacher A. make decisions about what to teach on a daily basis. B. formulate experiences that will aid in concept development. C. organize his or her thoughts. D. remember the students' names. my answer is b.

concept development
Which of the following process skills is generally more important for use with older children? A. Observing B. Communicating C. Classifying D. Predicting my answer is c.

concept development
Concepts are taught during the sensorimotor period with A. paper and pencil. B. objects and pictures. C. calculators and computers. D. cutouts. my answer is b.

concept development
Choose the best definition of an informal learning experience. A. Solely child-chosen activity B. Adult-chosen learning situation C. Child-chosen activity with some adult intervention D. Solely teacher-chosen activity my answer is b.

concepts of development
Early childhood encompasses three of the four Piagetian stages. Which one of the following stages is not reached during early childhood? A. Preoperational B. Concrete operations C. Sensorimotor D. Formal operations my answer is d.

concepts of development
When Lorna pours water from a short, wide beaker to a tall, thin beaker, she recognizes that the amount of liquid remains the same. She's demonstrating _______ thinking. A. nonconserving B. comparison C. conserving D. one-to-one correspondence my answer is c.

Conceps of development
Thanks

Conceps of development
Which of the following is the crux of the interrelationship between mathematics and science? A. About half of the basic math concepts are related to science concepts. B. The basic concepts of mathematics are the basic process skills of science. C. Basic mathematics process ...

Literature
thank you for responding. However, line 10 has only 3 syllables? What would that be called? also--i have read the definitions for spondee and trochee but I am still confused about which word is stressed and unstressed or both stressed or unstressed for "wild nights!".

Literature
I need help with the meter of this poem: Wild Nights -- Wild Nights! Were I with thee Wild Nights should be Our luxury! Futile -- the Winds -- To a Heart in port -- Done with the Compass -- Done with the Chart! Rowing in Eden -- Ah, the Sea! Might I but moor -- Tonight --In ...

Literature Homework
Hello! I need some help with some questions regarding these poems: Hear, nature, hear; dear goddess, hear! Suspend thy purpose, if thou didst intend To make this creature fruitful! Into her womb convey sterility! Dry up in her the organs of increase; [5] And from her derogate ...

Catch-22
Thank you so much Writeacher and Reed. I did find the answer through Sparknotes, but you confirmed it for me as well Reed. Thanks!!

Catch-22
Hello! I need some help with this question regarding the novel "Catch-22": Which of the following is something that Yossarian does not understand about the war? A.They keep blowing up the enemy, but they gain no ground. B.People who have never met him are trying to ...

sixth grade math
81 servings

Math
While hiking, Kristen went up 300 feet. If Kristen started at 100 feet above sea level, what is her elevation now? I need help with this question?

physics 2
- Matter is made of charged particles - The motion of charged particles produces electromagnetic waves - Since light is an electromagnetic wave, the color of a substance is ultimately related to the way that charged particles in that substance can move around. Quantum ...

Math
48 plus 30 equals 78

Algebra
Graph the function. Compare the graph with the graph y= x² 1. y=x²+5

Age Probs
A candy company packages mixed candies. How much white chocolate selling at $2.75 a pound must be added to 4 pounds of dark chocolate selling at $3.95 a pound to produce a mixture selling for $3.30 a pound?

Age Probs
Lisa is 16 years younger than Andy. In 6 year, the sum of their ages id 42. How old is Lisa now?

Math
Jemma read 16 pages of her book in 40 minutes. If she continues at that pace, how log will it take her to read the next 24 pages?

Math
7 eggs

Language Art
A) Most friendly

us history
Virtuous means having/showing high moral standards

math
4002-2153=1849 how is regrouping thousand shown in the problem above

Calculus
If an object is moving along the curve y=x^3, at what points is the y-coordinate changing 3 times more rapidly then the x-coordinate?

Calculus
Consider f(x)=x^3-x over the interval [0,2]. Find all the values of C that satisfy the Mean Value Theorem (MVT)

Calculus
Find the absolute maximum & minimum of the function f (x)=e^x for any closed interval [a,b] Justify your answer.

Calculus
Find the Optimum value of the function f(x)=2x^2+6x-10 and also state if the function attains a maximum or minimum.

Calculus
I get stuck at this and don't know how to from here.... can you help... Q1a) h(x)=√(x+1 ) [3,8] MVT=[h(b)-h(a)]/(b-a)=h'(c) To find h(b) and h(a), we just plug endpoints into original function h(b)=h(8)=√(x+1 ) h(b)=h(8)=√(8+1 ) = 3 h(a)=h(3)= √...

Calculus
Verify the hypothesis of the mean value theorem for each function below defined on the indicated interval. Then find the value “C” referred to by the theorem. Q1a) h(x)=√(x+1 ) [3,8] Q1b) K(x)=(x-1)/(x=1) [0,4] Q1c) Explain the difference between the Mean Value...

Calculus
Find the area between the following functions 2y=2x^2; y=1-x^2 & x=1

Calculus
Find the Optimum value of the function f(x)=2x^2=6x-10 and also state if the function attains a maximum or minimum.

calulus
A plane flying at a constant rate of 200km/hr. What is the distance travelled by the plane 3mintues after it passes the observation point.

Calculus
Water flowing into a hemispherical tank of 5m radius at a rate of ((3m^3)/(hr)) Determine the rate at which the depth of water increases.

calculus
A Construction Company uses the function below to determine the cost “C” in dollars for risk management. C(x)={(35 if 0<x<3 AND 35+10(x-2) if x≥3)

Calculus
Determine the point on the curve 2y=2x^2 which is nearest to the point (2,0) Please include step by step calculations if possible... as that will help mem understand the problem better.

Physics
ok...thanks a lot.....

Physics
ohh sorry, in my first question... A 15 kg box sits on a horizontal FORCE. the coefficient of static fricition between the box and the surface is 0.70. if a force P is exerted on the box at an angle directed 37 degrees below the horizontal, what must be the magnitude of P to ...

Physics
i mean horizontal surface not horizontal force..sorry..

Physics
A 15 kg box sits on a horizontal force. the coefficient of static fricition between the box and the surface is 0.70. if a force P is exerted on the box at an angle directed 37 degrees below the horizontal, what must be the magnitude of P to get the box moving??

math
60,000

Physics
The answer is A and D, you are correct.

math
is the area of a paperback book cover closer to 28 square inches or 28 square centimeters

alegebra II
N= -2x^2+76x+430

Physics
Augustine continues to run around. He gets to the park and has the overwhelming urge to jump off a cliff and try to fly. He does so at an angle of 50 degrees to the horizontal while running at 14.5m/s. With his arms flapping, he rises in the air. a) what is the highest point ...

Physics
Augustine continues to run around. He gets to the park and has the overwhelming urge to jump off a cliff and try to fly. He does so at an angle of 50 degrees to the horizontal while running at 14.5m/s. With his arms flapping, he rises in the air. a) what is the highest point ...

7th grade Science
Explain the role of energy in the carbon cycle.

7th grade Science
Early Earth was constantly being bombarded by meteorites, comets, and asteroids. Was early Earth an open system or a closed system? Explain your answer.

Geometry
Three points are on a coordinate plane: A(1, 5), B(-2, -4), and C(6, -4). 1. Write an equation in point-slope form of the line with slope -1 that contains point C. 2. Write an equation in point-slope form of the line that contains points A an B. 3. Write an equation of the ...

algebra 2
What is the third–degree polynomial function such that f(0) = –18 and whose zeros are 1, 2, and 3

Vectors
The magnitude multiplied by the direction should be the same on both sides. So for the boy, it would be (65 kg x 0.6)= 39. Therefore the mass of the girl multiplied by the distance should equal 39 as well. So (39=X x 40). x = 0.975

computing
Hamaira has just started to work for Graphic Services and has been asked to use a graphics package to prepare a logo for arrow computers. Grahic Services decided against choosing a graphic package with a command driven Human Computer inter face (HCI). why do you think they ...

math
How do you change fractions to percents HELP PLEASE...

6th grade Math
What is 1 _ 6 in a percent can you help me?

percents
What do you see in a clean nose

7th grade
a samall, intracellular, membrane-enclosed sac that stores or transport subtances.

chemistry!
thank you!!!!!!

chemistry!
Indicate the type of intermolecular forces expected with each of the following compounds. H2 Li2CO3 LiOH C3H7OH choices include: Hydrogen Bonding,Ion-Molecule and vanDerWaals. help me! please!!!! im so stuck!