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Posts by diane

Total # Posts: 382

chem
A greenish blue salt known to be composed of copper and chloride ions is dissolved in DI water. Aluminum metal is used to reduce the copper ions to metallic copper, which is collected, dried and weighed. If the origanal sample has a mass 1.362g and the collected copper has a ...

Pharmacokinetics
Thank you!

Pharmacokinetics
K=0.50 is this correct?

Pharmacokinetics
Gent dose at 10:26am over 30 minutes and levels were reported as 3.6 at 13:07 and 1.2 at 16:59. Calculate k. Help

ELA
Underline the verb or verb phrase in each sentence and then identify whether it is an action verb or a linking verb. 1.) The hard-working plumber was early. 2.) Those secretaries appear very busy this afternoon. 3.) The cab driver was driving extremely fast down the street. 4...

Math
Simplify: (8-5)^2 x 3-8 divided by 2

ELA
It doesn't appear that you checked my answers.

ELA
1.) should take - Action verb 2.) was early - Linking verb 3.) appear - Linking verb 4.) is - Linking verb 5.) will build - Action verb

ELA
Underline the verb or verb phrase in each sentence and then identify whether it is an action verb or a linking verb. 1.) The hard-working plumber was early. 2.) Those secretaries appear very busy this afternoon. 3.) The cab driver was driving extremely fast down the street. 4...

Trig/PreCalc
Use an algebraic method to eliminate the parameter and identify the graph of the parametric curve. x=5-3t y=2+t -1<-x-<3

physics
A 1 meter long rod of diameter 1 cm supports a hanging mass of 10^4kg. The rod stretches by 6.2 mm. What is Young's modulus for the rod?

Math
What is 12 × 12

psychology
Social skills training programs are interventions in which children are taught specific, discrete behaviors that can facilitate effective social interactions, like making eye contact and asking appropriate questions. Assessments of these interventions indicate that they have ...

math
trying to figure out how to do grids of rectangles of perimeters of 24 ft. I'm trying to help my grandson and I have NEVER done this before. Please help me figure this out. Sincerely Diane--lost Grandma ???

Quadratic Equations
The length of a rectangular field is 2m greater than three times its width. The area of the field is 1496 metre square. What are the dimensions of the field ?

math
I calculated 19 so I am with you Ms. Sue.

Math 4
Okay and then what would I do. After I divide I would get 2.83 after multiplying by 100.

Math 4
There are 20 teachers and 705 students in Corey's school. What is the ratio of teachers to students? How would I solve this problem? PLZ help me! :(

Math 3
The length of a rectangle is 2 cm more than the width. If the area is 5 cm^2, find the dimensions

Math
Oh okay. You're right. It could also be an equilateral triangle. I think I just need to know what the question is asking. Could you maybe explain what the question means? Sorry for asking so many questions.

math
Find a negative real number such that the square of the sum of the number and 3 is equal to 25

Algebra
An arrow is shot vertically upward from a platform 48 ft high at a rate of 233 ft per sec. When will the arrow hit the ground? Use the formula: h = −16t2 + v0t + h0.

Algebra
Solve the following quadratic equation by completing the square. Simplify the solutions and rationalize denominators, if necessary. x2 − 9x + 14 = 0

Algebra
thankyou

Algebra
The sum of a positive number and 5 is 806 times the reciprocal of the number. Find the number.

Algebra
Solve the following quadratic equation by completing the square. Simplify the solutions and rationalize denominators, if necessary. x2 + 6x − 17 = 0

Math
Mariah has a flower bed that is 10 feet long and 5 feet wide. She wants to put a fence around the flower bed to keep the deer from eating her flowers. She also wants to leave enough space to walk between the fence and the flower bed. What is the perimeter of the fence if the ...

Algebra
Multiply and simplify the following radical expressions. (5√2 − √5)(5√2 − 5√5)

Algebra
simplify the expression using rational exponents (27x^−1 ⋅ y^−1)divided by (x^2 ⋅ y^3)1/3

algebra
the sum of three integers is 220. The sum of the first and second integers exceeds the third by 94. The third integer is 55 less than the first. Find the three integers.

Algebra
Use a system of equations to solve the following problem. The local theater has three types of seats for Broadway plays: main floor, balcony, and mezzanine. Main floor tickets are $59, balcony tickets are $50, and mezzanine tickets are $40. One particular night, sales totaled...

Algebra
he sum of three integers is 193. The sum of the first and second integers exceeds the third by 85. The third integer is 15 less than the first. Find the three integers.

Chemistry
FB1 is a solution containing a mixture of potassium carbonate and sodium hydrogen carbonate . 25cm^3 of this mixture was to titrated against 0.250mol/dm^3 solution of HCL. In one titration using phenolphthalein as indicator, 10.00cm^3 of the acid was needed. In another ...

Algebra
If $3000 left in an account for 4 years earned interest of $960, then how much interest would be earned in 7 years.

Math
Paul's electric bill was three dollars more than one-half his gas bill. If electric bill was ninety-two dollars, what was gas bill

8th grade Algebra
Find sum or difference of: 49z^4 - 25y^4 Is the correct answer? (7z^2)^2 - (5y^2)^2

Biology
How do you determine how the age of a specimen where there is only 1/2 of the original Carbon14 isotope left? What if 1/2 of the original isotope was left? I cannot show my work because I do not know how to figure this out.

chemistry
explain how you would obtain solid lead carbonate from a mixture of lead carbonate and sodium carbonate powder

maths
10 scores have a mean of 85.4, but one was enetered at 75 when it should have been 57 what is the new mean?

science
pls help me

physics
A worker has to move a rock with mass 50 kg on a stairway from the first floor to the second floor of a house. The second floor is 4.6 m above the first floor and the stairway has 18 steps. The rock is lifted from step to step. How much energy (in Joule) has to be spend to ...

Math
Jamie wants to build a cd case for his room. The wood he will use is 3/4 inch thick and the four shelves are 6 3/8 inch apart. What is the height of the cd case?

math fractions
which of the following pairs of numbers contains like fraction

beauty
why do we as therapist and artists have to abtian clients record

English
Correct punctuation for Boston, Massachusetts Played an important role in American history and politics.

Electric magnetic fields
I have a shezoo dog and I live in a hi rise buiding, lately my do is experiencing what appear to be shocks which cause her to be startled. ould this be caused by an electrical magnetic field in the building

Math
Pls..Help me Understand and to solve Phytogorean Theory

Math
pls.help me understand how to solve pythagorean theorem

English
yes it is not a complete sentence

English (Ms.Sue)
A lingering smell of fresh rain... I have this so far. Right now its a fragment. So how can I complete this.

Business Management
The researchers conducting the Hawthorne plant studies found that

Chemistry
If 43.2 mL of 2.46 M HClO4 solution completely reacts with a 75.0 mL sample of a sodium hydroxide solution, what is the molarity of the sodium hydroxide solution? (hint: write the complete balanced rxn)

Physics
A grenade is thrown up into the air with an initial velocity of 27 m/s. How long does it take to return to the thrower's hand? I got 5.4 s, but I am very unsure.

physics
A grenade thrown straight up in the air has an initial speed of 27 m/s. How long will it take before it returns to the thrower's hand?

statistic
Suppose the people living in a city have a mean score of 48 and a standard deviation score of 7 on a measure of concerns about the environment. Assume that these concerns are normally distributed using the 50%- 34% - 14% figures. Appoxatmaily what percentage of people have a ...

HSM
current or proposed law that impacts the delivery of human services.

math
A section of the highway rises 15 feet in a mile, calculate the grade.

math
Anny invests $3,000, at 6% interest, compounded monthly for 1 year. Use Table 11-1 to calculate the compound amount for her investment.

History
Which country took over the construction of a canal across Panama after a French effort failed in the 1880s?

math
solve the inequality -5(x-7)<15 algebraically for x -5(x-7)<15 -5x+35<15 -35 -35 -5x,-25 -5 -5 divide both sides by -5 x=5 is this correct? Thanks for checking my work.

math
thanks for checking my work!!

math
Oatmeal is packed in a cylindrical container The diameter of the container is 13cm and its height is 24 cm. Determine in terms of TT (pi), the volume of the cylinder, in cubic centimeters v=TTr^2h v=TT6.5^2(24) v=1014 TT(pi) Is this correct? Thanks for checking my work

physics
a diverging lens of focal length 30cm creates an image 3cm tall from an object that is 9cm tall where is the image located if the object is 60cm from the lens. what is the magnification

accounting
After the accounts are adjusted and closed at the end of the fiscal year, Accounts Receivable has a balance of $673,400, and Allowance for Doubtful Accounts has a balance of $11,900. Describe how the accounts receivable and the allowance for doubtful accounts are reported on ...

Algebra
To Tina's question

Algebra
It would take him 10 hrs and 30 minutes.

English
I need to know the prepositions in the following question. The patient is a 42-year-old male with a history of left shoulder osteomyelitis wit resistant pseudomonas from an injury he sustained approximately 20 years ago.

math
a building casts a 25 foot shadow on a sunny day. If the angle of elevation from the tip of the shadow to the top of the building is 65 degrees, what is the height of the building to the nearest tenth of a foot? I did tan =x/25 x=25tan65 x=53.61267301 x=53.6 feet the height of...

8th grade math
firefighters have a 35 foot extension ladder. In order to reach 30 feet up a building, how far away from the building should the foot of the ladder be placed? Express your answer in simplest radial form a^2+b^2=c^2 30^2+x^2=35^2 900+x^2=1225 -900 -900 x^2=325 square root of x^...

short physics question
What is the significance of the fact that both the horizontal force and motion are both forwards?

Science--Physics--check answers
1. A football player pushes a dummy forwards at a constant 0.85m/s for 11m using 7150 J of energy. The dummy has a mass of 120 kg. Find the force the football player exerts, find the frictional force the dummy exerts. - for my answer I got 1176N as the force the football ...

physics-forces
Kara (55kg) is standing next to her brother Ben (80kg) on a large piece on frictionless ice. Kara decided to push her brother with a force of 200N expecting him to slide across the ice while she remains standing in the middle of the ice rink laughing. a) Describe the motion ...

physics-forces
Kara (55kg) is standing next to her brother Ben (80kg) on a large piece on frictionless ice. Kara decided to push her brother with a force of 200N expecting him to slide across the ice while she remains standing in the middle of the ice rink laughing. a) Describe the motion ...

Physics-forces
1. NASA launched a 550kg satellite into space. Its engines have a thrust of 8000N. a) What is the downward froce of gravity acting on the rocket at blast off? (is it 5390N?) b) What is the acceleration of the rocket at blast-off? (Hint: Fine Fnet first) 2. A planet has a mass ...

physics- multiple choice
1. A transport truck pulls on a trailer with a force of 600N [E]. The trailer pulls on the transport truck with a force a) of zero b) of less than 600 N is the truck is slowing down c) equal to 600 N only if the truck is moving at constant velocity d) equal to 600 N no matter ...

advanced functions/precalculus
1. The function f(x) = (2x + 3)^7 is the composition of two functions, g(x) and h(x). Find at least two different pairs of functions g(x) and h(x) such that f(x) = g(h(x)). 2. Give an example of two functions that satisfy the following conditions: - one has 2 zeros - one has ...

Advanced functions/precalculus
1. Given f(x)=x^2 and g(x)=x+2, determine in standard form: a) g(f(x)) b) when f(g(x))=g(f(x)) 2. If f = {(-10, 1), (-1, -1), (10, 0), (11, 7)} and g = {(-1, -1), (0, 10), (1, -10), (7, 11)} for how many values of x is f x g defined? Explain 3. Given f(x) = -2x + 3 and g(x) = ...

advanced functions/precalculus
1. Given f(x)=x^2 and g(x)=x+2, determine in standard form: a)g(f(x)) b)when f(g(x))=g(f(x)) for #1 would the answer for a be x^2+2? 2. Given the functions f(x)=5x+7 and g(x)=√x state the domain of g(x) and g(f(x)) 3. Why is point (a,a) a point on f-1(f(x)) if (a,b) is a...

Physics forces unit
I was wondering, how I would find the ratio of force to acceleration? I am doing an assignment where i had to find the force applied and the measured acceleration but I don't know how to find the ratio of force to acceleration. Thanks in advance!

college algebra
thank you!

math
A firm's sales for the month total $30,000. If the ratio of cash to credit sales is 2:3, what do cash sales total?

College Algebra
thank you Steve, that helped alot! appreciate your help.

College Algebra
Tried that too and still didn't work. the picture has a rectangular fence with a fence going across the middle from longest side to the opposite side.

College Algebra
I tried that answer and it didn't work, the question wants the dimensions of the corral: length and width.

College Algebra
A rancher wishes to enclose a rectangular partitioned corral with 1932 feet of fencing. What dimensions of the corral would enclose the largest possible area? Find the maxium area.

Analyzing with ANOVA
I do not know how to calculate the f scores for this assignment

Math
Estimate the total weight of two boxes that weigh 9.4 lb and 62.6 ib using rounding and compatible numbers. Which estimate is closer to the actual weight?Why?

Math
Which number rounds to 15,700,000 when rounded to the nearest hundred thousand? A.15,000,000 B.15,579,999 C.15,649,999 D.15,659,999

Psychology
Is this a source that you would consider a scholsrly source. Kliff, S. 2012. Seven facts about America’s mental health-care system. The Washington Post.

Psychology
After critically thinking about the wording within the sentence I definetly agree with you. Thanks again!

Psychology
5. Why is confidentiality critical in counseling? (I chose D) A). Clients often share information that is incriminating. B). In order to build a trusting relationship, the client and the counselor need to share privileged information. C). Clients need to be protected from the ...

Psychology
I need someone to review my five answers. Inform me if I am correct with my choices as well as correct me if I answered any of them wrong. Thank you! 1) If one wishes to become a professional counselor and has completed the educational requirements and achieved certification ...

Psychology
Thank you!

Psychology
I would like for someone to confirm that my choice of answers for these three questions are correct. If there is a incorrect answer out of the three questions that I chose please advise me to the right choice. Thank you! 1). Dr. Casey is evaluating a psychological test. In the...

Psychology
This the question; Jung believed that the persona, anima/animus, and shadow were some of the archetypes that had evolved so completely that they could be considered separate systems within the personality. Which list below best describes those archetypes (in order)? I chose ...

Psychology
Thank you!

Psychology
If you are counseling a client from a feminist therapy perspective, which of the following would be a likely goal? I chose (1).To transcend the individual and engage in needed social reform) I am not sure. Please correct me if I am wrong. Thanks 1).To transcend the individual ...

Technical Writing
why wouldn't employees be paid or compensated for extensive overtime? Is the branch following eimployee contractual agreements and agency/branch policies

Math plz help
Thanks! It just wasn't clear to me.

Math plz help
Name a point on the graph of y = 2x + 3. A. (1, 6) B. (1, 5) C. (0, 5) D. (1, 3)

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