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Melissa

Questions (688)

Evaluate the series 12.1 + 13 +13.9 +...+ 32.8.
1. 1 answer
2. 379 views
The 1st term of a geometric sequence is 25 and the 6th term is -1/125. What is the 3rd term?
1. 1 answer
2. 868 views
Two vectors F1 and F2 with magnitude F1=42N and F2=70N and where angle1=83 and angle2= 300. The angles are measures from the
1. 1 answer
2. 734 views
1. A hypothetical pure element consists entirely of two isotopes. The natural percent abundance of the isotope with mass 25.5 u
1. 3 answers
2. 1,977 views
What is the original cost of an item if $129.00 is 80% off?
1. 1 answer
2. 391 views
A 5 g bullet has a speed of 300 m/s and embeds itself into a 500 g block. The block is initially at rest sitting on a rough
1. 0 answers
2. 633 views
Create multiple representations of each line described belowA line with slope 4 and y intercept -6
1. 1 answer
2. 465 views
X-3/x=3/5
1. 2 answers
2. 542 views
The temperature dropped 12 degrees Celsius from 10pm to 4am one night. What is the average drop of the temperature12 divided by
1. 2 answers
2. 956 views
Does .0303 equal303/10,000
1. 1 answer
2. 335 views
I need help with this order of operations problem. also x in the problem is the multiplication symbol.44-4x(5+3x2) I got
1. 3 answers
2. 461 views
I have two containers, one is 2ml and the other is 5ml. Which would fill both containers all the way.A.gas B.liquid C.solid D. a
1. 1 answer
2. 450 views
A rocket engine can accelerate a rocket launched from rest vertically up with an acceleration of 18.4 m/s2. However, after 49.6
1. 1 answer
2. 897 views
In the slideshow, Multiplication of rational expressions, located in Chapter 6, the answer results in xin the numerator and x
1. 1 answer
2. 813 views
For a given reaction, the rate constant doubles when the temperature is increased from 27 o C to 49 o C. What is the activation
1. 3 answers
2. 726 views
If 5X + x squared > 100 then x is not equal to
1. 2 answers
2. 1,177 views
the story mice of men... chapter four1.does crooks believe the men will be able to get their farm?
1. 5 answers
2. 549 views
trigonometric identitiestan^2Ө/sin^2Ө-1=tan^2Ө
1. 1 answer
2. 445 views
In what way would Thomas Hill’s notion of “self-acceptance” correspond to Aristotle’s conception of eudaimonia?A. They
1. 1 answer
2. 521 views
Benzene, C6H6, reacts with nitric acid, HNO3. Two products are formed, one of which is water. The second product has a molar
1. 2 answers
2. 3,092 views
If 30 ml of 02 M HCL with 45 ml what is the molarity of NaOH
1. 2 answers
2. 461 views
How much heat in calories is required for (2.7 lb) of ice –200 F to be converted to water at 40 F?
1. 1 answer
2. 480 views
Determine the amount of energy required to raise the temperature of 250 grams of steel from a temperature of 15 oC to a
1. 0 answers
2. 600 views
3.05 g of hydrated copper sulfate produce 1.94 g of anhydrous salt. Assuming complete removal of water of crystallisation,
1. 3 answers
2. 725 views
Animal observation and investigations usually begin withA. handling the animal. B. a guiding question. C. feeding the animal. D.
1. 7 answers
2. 2,861 views
4.) A 8.0 kilogram physics textbook experiences an applied force of 28.0 Newtons for 2.6 seconds. The resulting acceleration is
1. 0 answers
2. 551 views
A 21.0-kg child descends a slide 2.20m high and reaches the bottom with a speed of 1.40m/s . How much thermal energy due to
1. 0 answers
2. 639 views
What is the ratio 3:2:1 for 250kg?
1. 0 answers
2. 311 views
a bathroom floor is covered by 15 tiles. each tile measures 18 in. by 18 in. how many floor tiles measuring 6 in. by 6 in. would
1. 2 answers
2. 831 views
A Gentoo penguin can swim at a rate of 17 miles per hour. How many miles can a penguin swim in 4 hours? Use the expression rt,
1. 11 answers
2. 2,570 views
an employee is hired at a salary of $38560.25 which is 5.5% higher than her salary at her previous job. what was her previous
1. 1 answer
2. 493 views
If an oil tank that if 15ft tall which is holding oil and water, the water being 8 ft, how much pressure will have when I is
1. 1 answer
2. 407 views
The instructions say, "The measure of an exterior angle of a regular polygon is given. Find the measure of an interior angle.
1. 1 answer
2. 656 views
Someone please help me. :(Compare your models of the four haploid cells with those of other groups. Describe and explain any
1. 2 answers
2. 1,806 views
Patty is a paralegal at a firm organized as a Limited Liability Partnership (LLP). Joe, the associate attorney, comes to Patty
1. 0 answers
2. 556 views
Someone in a car going past you at the speed of 35 m/s drops a small rock from a height of 1.5 m. How far from the point of the
1. 2 answers
2. 2,310 views
How could you reword the research hypotheses below to null hypotheses?a. Smoking during pregnancy increases the risk of a child
1. 1 answer
2. 693 views
Find an equation of the line containing the given pair of points (-2,-3) and (-9,-1) in slope-intercept formy=mx+b I think
1. 1 answer
2. 482 views
The furniture salesperson tells Paul Weinberg that the table he is admiring is solid cherry. Weinberg purchases the table, then
1. 0 answers
2. 1,039 views
The ABC Self-Concept Inventory has a split-half reliability coefficient of 0.90, and the XYZ Self-Concept Inventory has a
1. 1 answer
2. 492 views
Becky Friedman, while a minor, buys a cassette recorder for $35. The day after her eighteenth birthday she attempts to return
1. 1 answer
2. 491 views
A staging that weighs 140 N support two painters, one 500 N and the other 520 N. The reading in the left scale is fl = 740 N.
1. 3 answers
2. 1,173 views
You are a work study student in our chemistry department. Amy, your supervisor has just asked you to prepare 250ml of 2.00M
1. 3 answers
2. 5,131 views
Use trigonometric identities to solve the equation csc^2x -(√3+1)cotx+(√3-1)=0 in the interval [0, 2pi]
1. 1 answer
2. 620 views
if a and b are unit vectors, and magnitude of vectors a +b = sq. root of 3, determine (2a-5b) dot (b+3a).
1. 1 answer
2. 1,275 views
Some friends share a pizza.if they cut the pizza into fourths, will the slices be larger or smaller than if they cut the pizza
1. 1 answer
2. 733 views
Can someone please help me? ThanksSelect one way World War II changed the roles of women or blacks in the United States and
1. 1 answer
2. 973 views
Right triangle DEF has sides that measure x, x, and x squared for the some value of x. What is the area of triangle DEF to the
1. 1 answer
2. 513 views
Can someone please help me? At least give me an idea. I really need some help I'm far behind and this one is really giving me
1. 1 answer
2. 1,129 views
Melissa Popp is thinking about buying some shares of R.H. Lawncare Equipment, at $48 per share. She expects the price of the
1. 2 answers
2. 1,839 views
1) how does the electric force between two oposite charges changes when the distance between the charges is tripled?2)how does
1. 1 answer
2. 603 views
2c+6d=141/2c-3d=8
1. 1 answer
2. 263 views
What does VCCV and VCV mean in 4th grade words?
1. 6 answers
2. 1,492 views
the two lenses in contact are 45 cm away from the object and the distance of the object from the image is 110 cm. if one of the
1. 0 answers
2. 1,296 views
You reach out a second-story window that is 17 m above the sidewalk and throw a 2-kg ball straing upward with 17 J of kinetic
1. 1 answer
2. 971 views
A jet plane takes about 56 s to go from rest to the takeoff speed of 120 mph (miles per hour). What is the average horizontal
1. 1 answer
2. 669 views
An astronaut in full gear has a weight of 2900 N on Earth.Jupiter; weight on planet relative to earth is 2.53 and weight of a
1. 1 answer
2. 661 views
sec tangent= 2 square root of 3/3 and sin tangent= -1/2; find cot tangent
1. 1 answer
2. 397 views
A planet has a radius of about 0.85 times Earth's radius and a mass of only 0.74 times Earth's mass. Estimate the acceleration
1. 1 answer
2. 899 views
The acceleration due to gravity on a certain planet is about 6.5 \frac{m}{s^2}. What would a 78-kg scientific instrument weigh
1. 1 answer
2. 581 views
A 470-kg satellite experiences a gravitational force of 850 N.Use M_{Earth} = 5.972 x 10^{24} kilograms and r_{Earth} = 6370
1. 1 answer
2. 575 views
The gravitational force between two metal spheres with the same masses are in outer space is 60 N. How large would this force be
1. 1 answer
2. 729 views
Two spacecraft in outer space attract each other with a force of 45 N. What would the attractive force be if they were
1. 1 answer
2. 621 views
What is the acceleration due to gravity at a distance of 1.2 Earth radii above Earth�s surface?Use M_{Earth} = 5.972 x 10^{24}
1. 1 answer
2. 768 views
What is the acceleration due to gravity at a distance of 1.2 Earth radii above Earth�s surface?Use M_{Earth} = 5.972 x 10^{24}
1. 2 answers
2. 836 views
What mass, in grams, of sodium carbonate is required for complete reaction with 8.35g of nitric acid to produce sodium nitrate,
1. 1 answer
2. 2,675 views
Two teams of nine members each engage in a tug of war. The first team's members have average masses of 64 kg and exert average
1. 1 answer
2. 6,966 views
Please please check my answers? and correct if needed? Thanks!1. Which of the following represents an argument for annexing
1. 20 answers
2. 6,806 views
Can someone please check my answers and help me correct them if they are wrong? Thanks! <31. Which of the following describes
1. 10 answers
2. 3,628 views
In an attempt to escape his island, Gilligan builds a raft and sets to sea. The wind shifts a great deal during the day, and he
1. 2 answers
2. 1,577 views
An express subway train passes through an underground station. It enters at t = 0 with an initial velocity of 23.0 m/s and
1. 1 answer
2. 693 views
a) A light-rail commuter train accelerates at a rate of 1.25 m/s2. How long does it take it to reach its top speed of 80.0 km/h
1. 4 answers
2. 2,585 views
A bicycle racer sprints at the end of a race to clinch a victory. The racer has an initial velocity of 10.0 m/s and accelerates
1. 0 answers
2. 547 views
A bicycle racer sprints at the end of a race to clinch a victory. The racer has an initial velocity of 10.0 m/s and accelerates
1. 1 answer
2. 669 views
An express subway train passes through an underground station. It enters at t = 0 with an initial velocity of 23.0 m/s and
1. 2 answers
2. 1,723 views
Can someone please check my answers and if they are wrong can you help me fix them? Thank so much!!1. Which of the following
1. 45 answers
2. 11,609 views
Assume that an MX missile goes from rest to a suborbital velocity of 4.50 km/s in 30.0 s (the actual speed and time are
1. 3 answers
2. 1,281 views
A commuter backs her car out of her garage with a constant acceleration of 1.20 m/s2.(a) How long does it take her to reach a
1. 3 answers
2. 3,047 views
what is constant of proportionality?
1. 1 answer
2. 472 views
A. (a^-2/3)^-t
1. 1 answer
2. 313 views
A. (a^-2/3)^-tB. (b^1/3)^3/5
1. 1 answer
2. 382 views
What volume of benzene (C6H6,d=0.88g/ml,molar mass=78.11g/mol) is required to produce 1.5 x 10^3 kJ of heat according to the
1. 1 answer
2. 847 views
Complete these Brønsted-Lowry reactions:HSO4- + H+ <--> HSO4- +OH- <-->
1. 1 answer
2. 1,170 views
Identify a viewpoint from the text that highlights the importance of biodiversity. Do you believe every species is connected to
1. 2 answers
2. 526 views
The current license plates in New York State consist of three letters followed by four digits.( i ) How many possible distinct
1. 2 answers
2. 1,213 views
Help please ! been stuck on this for hours.A model rocket blasts off and moves upward with an acceleration of 13m/s^2 until it
1. 1 answer
2. 686 views
What company did parliament try to help with the tea act
1. 1 answer
2. 481 views
The regular admission price for an amusement park is $72. For a group of 15 or more, the admission price is reduced by $25. How
1. 5 answers
2. 1,222 views
Seven friends share 3 liters of apple juice equally how much juice does each friend get?
1. 3 answers
2. 647 views
If upon retirement in 20 years Simon plans to invest $400,000 in a fund that earns 5%, what is the maximum annual withdrawal he
1. 0 answers
2. 406 views
The answer to the maths question was: "age>21".Make up a question that could have this as an answer.
1. 0 answers
2. 350 views
The answer to the maths question was: "age>21".Make up a question that could have this as an answer.
1. 3 answers
2. 378 views
The creation of minority group status largely depends on:A. The nature of the contact situation B. The size of the dominant
1. 2 answers
2. 1,350 views
What is the relative difference in sweetness between sucrose and saccharin, tagatose, sucrolose, aspartame, neotame which is
1. 0 answers
2. 362 views
A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.845 m/s encounters a rough horizontal surface of length scripted l
1. 1 answer
2. 1,171 views
Can someone help me with Always, Sometimes, Never questions??I have answered all of these, but I am not sure if they are right.
1. 1 answer
2. 759 views
Can you help me with Always, Sometimes, Never questions??I have answered all of these, but I am not sure if they are right. 1.
1. 1 answer
2. 1,421 views
A saturated solution of potassium nitrate in water is prepared at 70.0*C then cooled to 55.0*C how many grams of potassium
1. 2 answers
2. 1,742 views
Some ancient and medieval works have several qualities present in novels. true or false.
1. 1 answer
2. 480 views
If Kelly gave 1/3 of a pizza to Holly and 1/5 to Diane how much did she have left?
1. 1 answer
2. 406 views

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