Questions Asked on
March 2, 2018

physics
If α = 40°, β = 60°, and M = 4.0 kg, determine the tension in string 1 & 2. / / 1 /2 / . . . Blockmass Alpha is on the top left angle and Beta is on the top right angle.
asked by joy 
math
which list shows number ordered from least to greatest? a. 1.5, 3.0, 7.1 b. 2.5, 1.0, 1.2 c. 3 3/4, 2 1/4, 1 1/8 d. 3/4, 1 3/4, 1
asked by Luisa 
History
1. What is a reason that the Missouri Compromise did not have lasting effects? A. It only applied to the lands of the Luisiana Purchase B. It only applied to the lands of the Mexican Cession C. It relied on popular sovereignty D. It limited the number of
asked by Baby_Banana 
Chemistry
7. 2Sr + O2 2SrO a) Determine what is oxidized and what is reduced b) Identify the oxidizing agent and the reducing agent 8. 2Cs + Br2 2CsBr a) Determine what is oxidized and what is reduced b) Identify the oxidizing agent and the reducing agent
asked by Naomi 
Math
compare the parent function f(x)=x^2 to the quadractic function f(x)=2x^26. the 6 in the function does which of the following? a.it makes the graph narrower than the parent function. b.it makes the graph wider than the parent function. c.it causes the
asked by Adriana 
PreCalc
A polynomial function f(x) with real coefficients has the given degree, zeros, and solution point. Degree: 3 Zeros: 2,2+2√2i Solution Point: f(−1) = −68 (a) Write the function in completely factored form. (b) Write the function in polynomial form.
asked by Ben Dover III 
English
Which of the following should you do to make your argument effective? Answers: Compare the opposite side's views to something unpleasant. Include only general details the audience will understand. Use specific details to refute the opposite side's views.
asked by T 
Math
Suppose a small cannonball weighing 16 pounds is shot vertically upward with an initial velocity Vo = 300 ft/s . a) Construct the mathematical model. b) Suppose air resistance is ignored, determine the velocity of the cannonball at any time t. c) Using the
asked by Jawad Haider 
I need help Math
If a dozen eggs cost $1.35, what is the unit cost? A) $0.11**** B) $0.13 C) $1.23 D) $4.29
asked by Anonymous 
English
Choose the word that best describes the italicized word from the novel Frankenstein. 1:A young man met her, whose countenance expressed a deeper(despondence). A:Fury B:Exuberance C:Serenity D:Sorrow*** 2:Which of the following best supports Victor's role
asked by anonymous 
Calculus
Use the information to evaluate and compare Δy and dy. (Round your answers to three decimal places.) y = x4 x = 1 Δx = dx = 0.1 I'm totally lost
asked by Ichi 
Chemistry (mol)
Xe+3F_2=XeF_6 How many mol of xenon hexafluoride are produced from 4.01 x 102 mol of fluorine (F2)?
asked by Summer 
Math
Using a standard deck of 52 cards how many 5 card hands contain A. 2 queens? B. 3 fives? C. At most 2 sevens? D. One pair and one three of a kind?
asked by Louis 
Math
A pizza company has 15 toppings to choose from A. One topping is anchovies. How many different 3 topping pizzas do not include anchovies? B. There are 6 vegetable toppings. How many different 3 topping pizzas have no vegetables? C. How many different 3
asked by Louis 
Math
If you add the denominator to both the numerator and denominator of a fraction, you get a new fraction that sometimes is larger than the original fraction. Find a fraction where the new fraction is four times as large as the original fraction after you add
asked by Liana 
Trigonometry
The number of hours of daylight in a city in the northern hemisphere shows periodic behavior over time.  The average number of daylight hours is 12  The maximum number of daylight hours is 14.4  The period is 365 days  The day with the least sunlight
asked by Max 
English
1. He is an uncle on my mother's side. 2. He is my maternal uncle. [Can we use both expressions? Are both okay and the same? Which one is commonly used?] 3. He is an uncle on my father's side. 4. He is my paternal uncle. [Can we use both expressions? Are
asked by rfvv 
History
What was the primary goal of the Dawes Act? A. to provide farms for Native American families B. to preserve reservations for Native Americans C. to protect Native American cultures D. to encourage Native Americans to become farmers
asked by Me 
SS
Customers cannot purchase every product. How does this fact affect companies that make products? A. They increase costs to make up for low sales. B. They decrease quality to make up for low sales. C. They provide better value so that customers choose their
asked by Me 
English
Imagine your friend's cousin writes a rebuttal argument to her claim in favor of teens owning smartphones. Read his argument excerpt and answer the question that follows: Smartphone ownership among teens is certainly on the rise. Yet there is reason for
asked by T 
English
I have 3 more questions that I'm confused on. 1. Read the argument excerpt related to teen use of smartphones and answer the question that follows: People on either side of the smartphonesforteens debate can't agree on the evidence. Sure, there's proof
asked by T 
Math
In a given city there are 28 reporters of which 16 are men. If the committee of 4 reporters is to be formed A. How many different committees can be formed? B. How many different committees contain 3 men? C. How many different commitrees contain at least 2
asked by Louis 
Math
1) Stephanie earned $x while working 10 hrs. Evelyn earned $y while working 29hrs. If they both earn the same hourly wage and x+y=60, how many dollars did Stephanie earn? 2)the difference of the areas of two circles is 21pi. If their radio are r+3 and r,
asked by Aline 
Physics
A disk of radius 0.4 cm and mass 0.7 kg is rotating at 5 rad/s. A second disk of radius 0.5 cm and mass 0.85 kg is rotating at 6 rad/s in the other direction. What is the combined angular velocity of the disks when the second disk is placed on top of the
asked by Anonymous 
Calculus
Determine whether the series from 0 to infinity of cos(nπ)/(n + 3) converges conditionally or absolutely. A. The series diverges. B. The series converges conditionally but not absolutely. C. The series converges absolutely but not conditionally. D. The
asked by Anonymous 
math
1)The function f is defined by the equation f(x)+ xx^2. Which of the following represents a quadratic with no real zeros? A)f(x) +1/2 B)f(x)1/2 C)f(x/2) D)f(x1/2) 2) If I^(2k) = 1, and i = radical 1, which of the following must be true about k? A) k is
asked by Aline 
Math
Determine the number of different six letter arrangements that can be formed with the letters GUIDEPOST if the last two letters must be vowels?
asked by Louis 
Math
Ms. Pacheco, Mr. Edwards, and Mr. Richards are three math teachers at Turner Middle School. Ms. Pacheco is three years older than Mr. Richards. Mr. Edwards is twice as old as Mr. Richards. The sum of Mr. Richards’ age and Mr. Edwards’ age is 81. How
asked by Charlotte 
math
which numbers have the same absolute value? choose all that apply. a. 9 b. 6 c. 4 d. 6
asked by Jim 
Trig
Explain how to find the reference angle of 1406 degrees. Find the reference angle. The reference angle is 34 but how do you get that?
asked by David 
physics
Roger pushes a box on a 30° incline. If he applies a force of 60 newtons parallel to the incline and displaces the box 10 meters along the incline, how much work will he do on the box?
asked by Anonymous 
Chemistry
can you please help me rephrase this. The cycloaddition of a conjugated diene and a dienophile, an electrocyclic reaction that involves the 4 πelectrons of the diene and 2 πelectrons of the dienophile. The driving force of the reaction is the formation
asked by help 
English
I am writing an essay and I would like to know if I did this right. The source I got it from wasn’t a complete sentence but said free health insurance coverage for employee and family. In my essay I wrote “Pediatric Residency Program” continued that
asked by Idk 
Maths trigonometry
2sinA+5cosA=4. Prove that cosA=1/2
asked by Shambu 
Health and Physical education just three questions
1 The Body's reaction to information is to send these to the brain. A neurons B impulses C dendrites D synapse 2 The part of the brain that controls movements and balance is the A cerebrum B derebellum C brain stem D frontal lobe 3 When diving into water,
asked by Edward Elric 
Social
it is possible to be part of multiple nations simultaneously. however, in times of crisis, it is essential that loyalty to your country of residence take priority over any other loyalties. I haven't ever done position papers in grade 11. I'm having a hard
asked by Sarah 
math;)
Which of the following statements about the function f(x)=sec(x) are true? Select all that apply. a. f(x) has no zeroes. b. f(x) has a period of 2pi.***** c. f(x) has an amplitude of 1. d. f(x) is symmetric about the origin. e. f(x) has asymptotes at
asked by girly girl 
Math
In how many different arrangements can 5 dogs and 7 cats be placed in a row if the dogs must be next to one another?
asked by Sarah 
Chemistry
Using your knowledge of equilibrium constants, calculate the value of K1 given the following equations: 2A+B > C K1=x 2B > D K2=5.00 2C > 4A+D K=0.0588 The arrows are reversible
asked by TP 
Social Studies
What is the connection among sectionalism, slavery, and states' rights as causes of the Civil War? How did the Southern respone to the 1860 election results demonstrate this connection?
asked by Pier 
Geography
Name the bodies of water that border Saudi Arabia? I know it is the Red Sea, and Persian gulf but is the gulf of aquaba also considered one? Or are there any others?
asked by Anonymous 
Chemistry
I did a lab on spectrophotometric determination of iron in vitamin tablets, and I need to calculate the molarity of Fe(ophenanthroline)3 in each solution and I have no idea how to calculate it. I know the concentration of Fe in the standard solutions in
asked by Lyndsay 
Chemistry
If SiO_2 undergoes a doubledisplacement reaction with HF, what is the balanced equation?
asked by Summer 
ELA
Both the road not taken and O captain! My captain! are analogies. White a paragraph comparing the authors' use of analogy. I need an example on this so I know what to do and how to. A little Help would be nice if ya have the time.
asked by M 
English
Thank you for your help however I think you misunderstood me. In the sentence “Pediatric Residency Program” continued that the health insurance covers the pediatrician and his family. The part in quotations is the title of the source and I left it in
asked by Idk 
Geography
Problems facing petroleum in middle East
asked by Petroleum 
Science
a machine must be driven at 100 r/s from a belt pulley of 600 mm diameter revolving at 72 r/s . the maximum tensile force on the belt must not exceed 3000n .assume that the ratio of the tensile force is 2,5:1
asked by Viasen 
Science
a machine must be driven at 100 r/s from a belt pulley of 600 mm diameter revolving at 72 r/s . the maximum tensile force on the belt must not exceed 3000n .assume that the ratio of the tensile force is 2,5:1. A Diameter of the driven pulley. B the power
asked by Viasen 
Chemistry
The procedures of an experiment state that 1.3 g of copper (Cu) should be produced. However, the scientist’s experiment produces 0.9 g. What is the absolute error?
asked by Summer 
Chemistry (mol)
How many mol of nitrogen monoxide gas (N2) are in a 1.49 L container at standard temperature and pressure?
asked by Summer 
Chemistry
Study the balanced equation. 3O_2=2O_3 When 4.26 x 10^16 mol of oxygen (O) are converted into ozone, how many mol of the pollutant (O3) are formed?
asked by Summer 
Chemistry
in an IR explanation in cyclohexanol there are CH2 groups in the ring and that in the IR spectrum was at about v= 1454cm1 so how will I say that will I say a sharrp, strond band at v=1454cm1 which illustrates v(CH) bend of the CH2 groups of cyclohexanol
asked by help 
math
Identify the oxidationreduction reactions from the following list, and justify why. i) Hydrochloric acid neutralising sodium hydroxide. ii) Electrolysis of water iii) Esterification of ethanol and ethanoic acid iv) Iron nail in copper sulfate solution (I
asked by anonymous 
Math
The trigonometry practice exam has 6 questions with the answer A 8 questions with the answer Baby 10 questions with the answer C and 9 questions with the answer D The number of different answer keys that can be created with the letters above is A. 2.27 ×
asked by Louis 
Math
How many possible numbers are between 1 and 1000000000 that are greater than 72000 if we only use the following digits (4, 5, 6, 7, 8)
asked by Louis 
History/SS
How did the spoils system affect President Jame s Garfield and his successor Chester A. Arthur? Please Mrs.Sue give me some links or something!!
asked by Laney 
English
If I diagram two sentences and the diagrams look different, are the sentence structures different? Also would that mean my sentence is free from plagiarism?
asked by Wes 
I am VERRRY confused Math
The city of Atlanta recently increased their sales tax from 7.5% to 8%. How much more tax would you pay on a $10 purchase? A) $.01 B) $.05 **** C) $.07 D) $.50 2. Miguel conducts a survey of 750 college students to see how many of them have a parttime
asked by Anonymous 
Chemistry
Identify the oxidationreduction reactions from the following list, and justify why. i) Hydrochloric acid neutralising sodium hydroxide. ii) Electrolysis of water iii) Esterification of ethanol and ethanoic acid iv) Iron nail in copper sulfate solution (I
asked by anonymous 
English
When I am writing an essay how will I reference if at the begining of the paragraph I get information from the site and then on the next paragraph I get information from that same site?
asked by help 
Math
in the triangle the length of sode a is 5ft, and m angle a =60 degrees. find the exact lengths of sides b and c
asked by Benji 
Math
Dello, i need help with this problem. Find the periodic withdrawals PMT for the annuity given. HINT [See Example 4.] (Assume endofperiod withdrawals and compounding at the same intervals as withdrawals. Round your answer to the nearest cent.) $100,000 at
asked by Sophia 
English
I get confused on when do I put a comma in writting essays can you please tell me when to?
asked by help 
Math
8. The graph below was drawn with the output on the vertical axis and input on the horizontal axis. What does this graph indicate about the relationship between the input and the output? (1 point) (Can't display graph) Please help I do not understand how
asked by Rose 
Math
In a given city there are 28 reporters of which 16 are men. If the committee of 4 reporters is to be formed A. How many different committees can be formed? B. How many different committees contain 3 men? C. How many different commitrees contain at least 2
asked by Sarah 
Math
the volume of a solid scale mode of the tower is 70 cm^3. the scale is 1÷100, what volume of mental in cubic meter would be required to build the tower?
asked by Anonymous 
Chemistry
14. Using the equation of q = nCΔT determine the amount of energy required to raise the temperature of 24g of water 80ᵒC, with a heat capacity of 75.3 J/(mol*ᵒC )
asked by Naomi 
social studies
please help, i have no clue! they all seem like a good answer to me.. The MacdonaldCartier bridge that stretches the Ottawa River and connects Ontario to Quebec is named for two Canadian politicians, one ______ and one _______. A.English, German
asked by jake