Friday
August 1, 2014

Posts by DANNY


Total # Posts: 639

math
What is the angle sum of a regular polygon with 7 sides

math
make a tally and a frequency table for the number of books read by students during the summer: 4, 5, 7, 2, 4, 5, 6, 7, 8, 4, 5, 3. how many students took part in this survey?

math
Attach 6 trapezoids to one hexagon for each figure Figure 1: One line of symmetry and no rotational symmetries (other than 360 degrees)

math
so draw my body?

math
One line of symmetry and no rotational symmetries (other than 360 degrees) im supposed to draw this but idk what it is

math
what is the diffrence between .5 percent and 50 percent

Math
if the ratio of the girls to boys in a classroom is 2 to 3 why isnt it correct to say 2/3 (two thirds) of the class are girls.

Chem
The molecular weight of CaCl2 is 110.98 g/mol. In order to make up 500.0 ml of a 0.500 M solution, you need how many g?

physics
A 55 kg hiker starts at an elevation of 1600 m and climbs to the top of a 3400 m peak. (a) What is the hiker's change in potential energy?

maths
suers!!

Algebra
well did u know u should find something called a tutor program to help you? IDIOTS!!!!

Algebra
well did u know u should find something called a tutor program to help you? IDIOTS!!!!

gen chem
moms?

gen chem
The recommended dosage of iodine-131 is uCi/kg of body weight. How many microcuries of iodine-131 are needed for a patient with the hyperthyroidism?

Algebra II
The first 3 terms in a geometric sequence are 1.1, 1.65, and 2.475. Part A: What is the sum of the first 6 terms of the sequence? Show your work. Part B: How does the sum of the series differ from the 6th term? Explain. Part C: If the nth term in this sequence represents the t...

ALGEBRA
Suppose you have a $1,000 charge on a credit card charging 1.5% monthly interest using the adjusted balance method. The minimum payment due in May is $20. How much will you save in interest charges in June by paying $40 instead? I had $8,234.65

ALGEBRA
Find the ending balance in an account that opens with $5,000, earns 7.5% interest compounded quarterly, and is held for 20 years. (Round your answer to the nearest cent.)

ALGEBRA
A certain lock has four tumblers, and each tumbler can assume three positions. How many different possibilities are there?

ALGEBRA
A car dealer will sell you a used car for $6,162 with $162 down and payments of $214.67 per month for 36 months. What is the simple interest rate? (Round each answer to the nearest tenth.)

ALGEBRA
Answer the question and tell whether it illustrates inductive or deductive reasoning. (a) What is the 50th consecutive even number?

ALGEBRA
Find the amount of compound interest earned in an account that opens with $23,000, earns 3.9% interest compounded daily, and is held for 15 years. Assume 360 days in a year. (Round your answer to the nearest cent.)

ALGEBRA
An oil-drilling company knows that it costs $28,000 to sink a test well. If oil is hit, the income for the drilling company will be $445,000. If only natural gas is hit, the income will be $145,000. If nothing is hit, there will be no income. If the probability of hitting oil ...

ALGEBRA
Evaluate the expression. \( _3^12 \)

ALGEBRA
Evaluate the expression. \( _3^10 \) \( _4^5 \) \( _1^4 \)

Algebra II
A cowboy is practicing his lassoing technique by lassoing the fence posts at his ranch. Consider that is lariat forms a perecly elliptical shape centered at the origin while he twirls it. If the fence posts are 2 inches in circumference and the cowboy would lik to add 5 inches...

SUPER URGENT-- CHEMISTRY
1. .0025 M tartric acid completely reacts with .0030 m of al bicarbonate if .913 l of co2 forms at 298 k with pressure of 1.4 ATM how much base used? 2. 3.1 x 10^23 molec of .0035 m hydriodic acid reacts with 25 g of magnesium bicarbonate how much carbon dioxide if at stp? 3. ...

Chemistry
URGENT!!!!! 4 questions total! 1. .0025 M tartric acid completely reacts with .0030 m of al bicarbonate if .913 l of co2 forms at 298 k with pressure of 1.4 ATM how much base used? 2. 3.1 x 10^23 molec of .0035 m hydriodic acid reacts with 25 g of magnesium bicarbonate how muc...

maths
1.) 7:15

stuck
a.) as x increases by one, you multiply by the next multiple of 3 to get y. 1x3=3, 2x6=12, 3x9=27, etc. b.) if x=5 then y=75

algebra 2
-160, 320, -640, 1,280, -2,560, 5,120, -10,240, 20,480, -40,960, 81,920, -163,840 16th term = -163,840

Chemistry
In a 0.05M solution of a weak monoprotic acid,[H+]=.0018.What is its Ka?

algabra
find given the funcrion k described by k(x) =12x, find each of the following (a) k(-19),(b0 K (10)(c) k(21),k(-19)=

math:(
uhh idk i tink it divide but idk haha did u gt it rite/?

ENGLISH: types of business writing
Can someone check gammar, punctuatiion and structure please. Draft an email of at least four complete sentences to Deb Walker the designated trainer: Confirm the arrangements for the seminar providing only the information she needs to arrive at the right place at the right tim...

ENGLISH: types of business writing
Changed Dear Deb: I am confirming my understanding of our arrangements as we discussed for a seminar to be held at Broadworth General Hospital on sexual harassment and unlawful discrimination in the workplace. The date is to be July 20, 2012 at 9 am in conference room 200, on ...

ENGLISH: types of business writing
How does the rest sound?

ENGLISH: types of business writing
Draft an email of at least four complete sentences to Deb Walker the designated trainer: Confirm the arrangements for the seminar providing only the information she needs to arrive at the right place at the right time. Copy both to Mr, Dittmer and Ms. Hopkins Create an appropr...

ENGLISH Types of business writing
Thanks a bunch.

ENGLISH Types of business writing
REVISED We have received confirmation from Jeremy Dittmer for our seminar to be held on July 20, 2012. The trainer selected is Deb Walker. Deb will proceed to the conference room at 9 am the day of the session to set up before supervisors arrive. The conference room reserved i...

ENGLISH Types of business writing
Assume that you’ve worked for the last five years as an administrative assistant for the Human Resources Department of Broadworth General Hospital. The Director of Human Resources, Miriam Hopkins, has charged you with organizing a two-hour training seminar to be attended ...

math
A number from 11 to 24 is drawn at random. What is the probability that 18 is drawn? Write your answer as a fraction. A) 1/7 b) 1/14 C) 11/24 D) 18/14

ENGLISH Types of business writing
Assume that you’ve worked for the last five years as an administrative assistant for the Human Resources Department of Broadworth General Hospital. The Director of Human Resources, Miriam Hopkins, has charged you with organizing a two-hour training seminar to be attended ...

ENGLISH : Types of business writing
Thanks so much.

ENGLISH : Types of business writing
Assume that you’ve worked for the last five years as an administrative assistant for the Human Resources Department of Broadworth General Hospital. The Director of Human Resources, Miriam Hopkins, has charged you with organizing a two-hour training seminar to be attended ...

ENGLISH Types of business writing
How does this sound? Dear Mr. Dittmer: I am requesting a trainer for our seminar on sexual harassment and unlawful discrimination in the workplace for twenty of our office supervisors. Our company would like to take this opportunity to thank you for Wydade’s reliable supp...

ENGLISH Types of business writing
Dear Mr. Dittmer: I am writing to request a trainer for our seminar on sexual harassment and unlawful discrimination in the workplace for twenty of our office supervisors. Our company would like to take this opportunity to thank you for Wydade’s reliable support in offeri...

ENGLISH Types of business writing
Assume that you’ve worked for the last five years as an administrative assistant for the Human Resources Department of Broadworth General Hospital. The Director of Human Resources, Miriam Hopkins, has charged you with organizing a two-hour training seminar to be attended ...

Improving your writing
Need help with grammar, punctuation, paragraph structure. Thank you

Improving your writing
Need help with grammer, punctuation,

Improving your writing
BACKGROUND: Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz, the human resources director, promoted me to office manager. I manage two employees: Jack and Ruth. My office provides secretarial support for the four members of the execut...

Paragraph Writing
BACKGROUND: Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz, the human resources director, promoted me to office manager. I manage two employees: Jack and Ruth. My office provides secretarial support for the four members of the executi...

Chem
The actual heat of formation of MgO is -601.8 kJ/mol. Convert this to kcal/mol and calculate your % error. And list two possible sources of procedural error to account for this percentage.

physics
The figure is taken from a paper (Am J Sports Med 2004 32: 477) on injuries to the anterior cruciate ligament due to forces applied by the patella tendon. Take a particular case where the attachment force on the tibia is 5610N when the leg is oriented with patella tendon tibia...

AP CHEMISTRY
Calculate the pH at the equivalence point in titrating 0.100 M solutions of each of the following with 0.080 M NaOH. a)hydrobromic acid (HBr) b)chlorous acid (HClO2) c)benzoic acid (C6H5COOH)

Calculus: Implicit
1/2 √(3(6)+2(2)) * 3(2(2))+ 1/2 √(4(6)(2)) * 4(2)+2(6) right?

Calculus: Implicit
so i suppose to find slope. i have trouble this problem. my math book is not really clear. Find the slope of the tangent line to the curve √(3x+2y)+√(4xy)=11.6 at the point (6,2). √(3x+2y) is the square root(3x+2y) √(4xy)is the square root 4xy.

Calculus Help!
my answer was -40cos(sincos(x^5) right?

Calculus Help!
1. 8sin(cos(x^6)), find f'(x) 2. cos(sin(x^2)), find f'(x).

Calculus. I need help!
my worksheet say sin^5 x. well thanks

Calculus. I need help!
If f(x)=sin^5x, Find f'(x) i dont know im doing right way f'(x)= 5cosx * sin(x)

Calculus. I need help!
Write the composite function in the form f(g(x)). [Identify the inner function u=g(x) and the outer function y=f(u).] Then find the derivative dy/dx. y=√sinx √ is square root.

Calculus 1 need help!
Write the composite function in the form f(g(x)). [Identify the inner function u=g(x) and the outer function y=f(u).] Then find the derivative dy/dx. y=√sinx √ is square root.

calculus 1 help!!
If f(x)=(4x+8)^-2, Find f'(x)

physics
What are the mass and the atomic number for the anion of Cl 35?

Chemistry
KI+H2SO4 Write the balanced net ionic equation.

physics
What are the mass and the atomic number for the anion of Cl 35?

math. need help
United States citizens living in Switzerland must pay taxes on their income to both the United States and to Switzerland. Suppose that the United States tax is 28% of their taxable income after deducting the tax paid to Switzerland. Suppose that the tax paid to Switzerland is ...

algebra 2
can someone help me simplify 3/4i

math
Mary's test grades were 73, 86, 89, 84, and 86. Mary's teacher recorded one of her grades incorrectly. Instead of an 86, Mary's second test score should have been an 84. Which measure(s) of central tendency are affected by this change?

Pre-cal
How do I find the reference angle in radicals given the value of cosecant 5 pi/6?

math
Which of the following is the solution to the matrix equation below? [0 9 2] [18] [3 2 1] x=[5] [1 -1 0] [-1] a) [-3 -2 18] b) [-3 2 -18] c) [-3] [-2] [18] d)[-3] [2] [-18]

math
Use (Triangle) PQR with coordinates P(2, –1), Q(0, 5), and R(–2, 0). Which matrix expression can be used to translate (triangle)PQR 1 unit left and 3 units up?

Math
it costs $175 to rent a jet ski for 2 hours. it costs $300 to rent a jet ski for 4 hours. write an equation that represents y (in dollars) of renting a jet ski for x hours.

math
thanks for all help Ms.Sue.

math
Renter’s Insurance protects a person who is renting an apartment from losses or damages that can occur in the apartment setting. Give two examples of things that could happen in an apartment that would be protected by having renter’s insurance.

math
x^2+6x=24

algebra
Sam's plasma tv has a 14inby18in screen and border. The total area of the tv 480inch^2. How wide is the trim

Physics
What is the electric field midway between an electron and a proton separated by 0.7 nm?

Physics
What is a magnetic field of 950 G expressed in tesla?

Physics
A merry-go-round is a common piece of playground equipment. A 2.4 m diameter merry-go-round with a mass of 300 kg is spinning at 22 rpm. John runs tangent to the merry-go-round at 5.0 m/s, in the same direction that it is turning, and jumps onto the outer edge. John's mass...

Physics
A 340 g bird flying along at 6.0 m/s sees a 14 g insect heading straight toward it with a speed of 30 m/s. The bird opens its mouth wide and enjoys a nice lunch. What is the bird's speed immediately after swallowing?

Physics
find the electrostatic potential, and then the electric field a distance z above the centre of a circular loop of radius r, which carries a uniform line charge (lamda)

physics
A variable-speed drill, initially turning at 500 rpm, speeds up to 1300 rpm in a time interval of 0.8 s. What is its average rotational acceleration?

Chemistry
Is BCI3 polar or non polar ,identify the negative ends

Physics
the answer is 8 = D ~

physics
A locomotive is accelerating at 2.0 m/s2. It passes through a 20.0-m-wide crossing in a time of 2.8 s. After the locomotive leaves the crossing, how much time is required until its speed reaches 36 m/s?

Computer
Describe how an operating system that uses paging could make stacks grow dynamically if the original size proves too small. What would the page table data structures look like? Explain what would happen when a thread's stack grows past the area that has been allocated for ...

Math
Evaluate. Express each result in scientific and standard notation. (5.62 x 10^-3) (16 x 10^-5) and 9.2 x 10^3 2.3 x 10^5

math
Yard sale All items priced from .50-2.50 Median Price 2.10 Median Price 1.80

math
Elisa need to pick a numerical password that contains 4 digits using the numbers 0-9 If none of the digits can be repeated, how many 4-digit passwords are possible

statistics
In the past a certain college has found that 35% of the students will grad within 4 years. A random sample of 450 students at this college is taken and going to be followed until graduation. A. What is the sampling distribution of the statistic of interest? B. What is the prob...

Earth Science
which of the following locations in New York State is most likely to have the smallest range in temperature? 1. Long Island 2. the Catskills 3. Albany 4. the Adirondack Mountains

earth science
which of the following surfaces would absorb the least amount of insolation? 1. an open field 2. a forest 3. an asphalt parking lot 4. a glacier

chemistry
I have a question in chemistry relating to identifying a compound that would precipitate the iron ions out of a water supply. I am unsure of a compound that would react to produce the iron as a precipitate that could be removed. Thoughts?

math
is a line graph a table?

mathh
The only defined term of those listed is: line angle plane point

math true/false
All diagonals from a single vertex of a hexagon are drawn. Four triangles will result. True False true?

math-true/false
An isometry preserves distance. True False true?

mathh
A square has symmetry with respect to a line containing a median of the square. True False true?

mathh
Two similar polygons have areas of 16 square inches and 64 square inches. The ratio of a pair of corresponding sides is 1/4. True False its true?

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