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Macy
Questions (91)
What is a mnemonic device ?
1 answer
233 views
Human activities and climate change quick check
Which Human action would help reduce global warming?
4 answers
510 views
Why was the Cuban missile crisis significant?
5 answers
462 views
Which of the following is most likely the author's purpose in writing an article explaining the importance of voting? Select the
6 answers
826 views
Fossil fuels and climate change quick check
Which best describes the relationship between climate change and global warning?
3 answers
429 views
Health care in your community quick check
The type of medical professional who makes sure your eyes are healthy and free of
1 answer
210 views
The type of medical professional who makes sure your eyes are healthy and free of disease is a(n)
2 answers
281 views
Named the three-dimensional figure shown in the picture.
7 answers
373 views
May i get some help please?^^
I think it is C and G Superhero 101: A Family Secret Trace knew he would have to try to explain to
0 answers
991 views
Hello, please I came to check my work!
1. Which of these rules is best applied before participating in a group discussion? A.
14 answers
2,979 views
Hello, please I came to check my work!
1. Which of these rules is best applied before participating in a group discussion? A.
1 answer
868 views
Just in case anyone was wondering the answers to this lesson like I was here they are, I tried to find them but couldn’t and
4 answers
518 views
If the perimeter of the rectangle was known to be 90 inches, what would the value of x be in order for this to be true?
1 answer
811 views
A radio station is identified by four call letters (e.g., KAGU). The first letter must be a K or W. How many different stations
0 answers
487 views
Puerto Rican scientists are famous for their study in which of the following sciences?
A. astronomy, astrophysics and medicine **
4 answers
1,793 views
Which shows the greatest degree in which the modern Chinese business model is affecting humanity?
a)Chinese technology has
5 answers
1,347 views
A manufacturing company produces lenses for digital cameras. The defect rate for each lense is 9%. Which of the following
0 answers
558 views
A deck of cards has the aces and face cards removed, so that the numbered cards 2-10 remain. The player draws a card and is paid
3 answers
818 views
Determine the odds of choosing 4 aces when drawing 4 cards randomly from a regular deck of cards.
3 answers
524 views
Find the asymptotes of the hyperbola.
(x^2/36) - (y^2/49) = 1
1 answer
473 views
Decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring.
−b b2 − 4ac
1 answer
1,334 views
Find the volume of the solid bounded below by the parabloid z = x^2 + y^2 and above by the plane 2x + z = 3
2 answers
462 views
A phone company offers two monthly plans. Plan A costs
$11 plus an additional $0.18 for each minute of calls. Plan B costs $18
3 answers
1,647 views
Eve swam 80 laps of a swimming pool in one hour. What was the pace for each lap?
6 answers
2,073 views
Justine's typing speed is 36 wpm (words per minute). She finished a job in 5 hours. How long would the same job have taken her
1 answer
615 views
What would be the equation for NaOH + H2SO4 be?
Would the porducts be H2O + NaHSo4 or H2O + Na2SO4? If it's the second one, which
1 answer
668 views
Why is the scientific method the most accurate way that humans have developed?
1 answer
453 views
1/2(w-h)=hn+5p
Please help me with this if possible :)
4 answers
813 views
(x+5)^2 -(x-5)^2=
Simplify. Help please :)
1 answer
426 views
I need help with these few questions on my homework please :)
1. How much money would you need to pay to receive a payout annuity
2 answers
749 views
I need help with these few questions on my homework please :)
1. How much money would you need to pay to receive a payout annuity
1 answer
660 views
Simplify each expression.
1.) (b^ 1/6)^3 b^1/6 2.) (2x^-3)^2 (0.2x)^2 3.) (3^7)^2 (3^-4)^3
1 answer
410 views
A parallel plate capacitor has a rectangular plates with length 5cm and width 3cm. They are separated by a distance 12m and
0 answers
995 views
An infinite,insulating sheet has a surface charge density 3.14C/m^2 the height is 12km
A.) find the surface area of the Gaussian
0 answers
783 views
A long insulating wire has a uniform charge density 7nC/m and r=3m away from the wire
A.) surface area of the side of the
0 answers
528 views
I took a large sample of households in a city, and based on that, estimate the standard deviation of the income for all
1 answer
637 views
I took a large sample of households in a city, and based on that, estimate the standard deviation of the income for all
2 answers
698 views
A linear regression of price on square footage of homes for sale found the equation price = 30275 + 144*sqft. In this equation,
0 answers
800 views
The nucleus of an atom will NOT contain
a)proton b)neutron c)electron could be multiple answers
1 answer
477 views
The chemical reactivity of an atom is determined by the number of ___ present.
a) proton b) neutron c) electron could be multiple
1 answer
614 views
A change in the number of ___ will change the mass of a given atom.
a)proton b)neutron c)electron
1 answer
541 views
If the number of ___ in an atom is changed, an ion will be produced.
a)proton b)neutron c)electron Could be multiple answers
0 answers
545 views
if the number of ____ in an atom is changed, it is no longer the same element.
a)proton b)neutron c)electron I'm thinking it's A,
1 answer
898 views
Find the work that should be done to increase the distance between two point charges with the charges of 5nC and -10nC by 5cm.
0 answers
1,338 views
Find the potential energy of a system often point charges. 7nC and 2nC separated by 0.03m
0 answers
582 views
Suppose you have a 5nC charge T the origin and a 2nC charge at x=5m. Find the location on the x axis where the electric field is
0 answers
572 views
Suppose you have a 3 C charge at (1,0) m and a -3 C charge at (-1,0) m. Find (a) the electric field at the point (0,3), and (b)
0 answers
606 views
A survey or college students collected information on several variables: distance from home, age, major, gender, and class. The
0 answers
684 views
When ordering vinyl replacement windows, the following variables are specified for each window. Which of these variables is
1 answer
786 views
An instructor asked students to name their favorite color. An appropriate graph to display the data is a...
A) histogram B) pie
1 answer
1,776 views
The value of a particular investment follows a pattern of exponential growth. You invested money in a money market account. The
2 answers
1,145 views
Individuals who naturally exhibit low levels of brain arousal and nervous system reactivity are more likely to:
A. Score high in
1 answer
555 views
The areas of the hemisphere involved in speech and language tend to be large in ____. The areas of the parietal lobe involved in
1 answer
595 views
The areas of the hemisphere involved in speech and language tend to be large in ____. The areas of the parietal lobe involved in
0 answers
574 views
Because of differences in brain size, men tend to have slightly higher IQ scores than women
TRUE OR FALSE
3 answers
484 views
Sexual dimorphism's are
a) observable physical differences within single gender (e.g. tall men vs short men.) b) observable
3 answers
753 views
Find the probability of winning the lottery
Select the six winning numbers from 1 to 34. (in any order, no repeats) P(winning)= ?
2 answers
926 views
Winning the jackpot in a lottery requires that you select the correct three numbers between 1 and 51 and in a another separate
3 answers
6,318 views
Must appoint 5 different members. There are 17 who are qualified.
How many different ways can they be appointed?
1 answer
640 views
In designing an experiment involving a treatments applied to 5 test subjects, researchers plan to use a simple random sample of
0 answers
600 views
Find the probability of winning a lottery with the following rule.
Select the five winning numbers from 1,2...,23. (in any oder.
0 answers
1,031 views
Superfly, mass of only 1 gram, but capable of flying 840 million km/hr. meets a locomotive with a mass of 20,000 kg, traveling
1 answer
563 views
Johnson ran the 100 meter dash in 9.79 seconds. Calculate Johnson's average speed, in meters/second.
1 answer
735 views
You take a 10 N block and lift it 1 meter vertically from the floor and then place it back down on the floor. How much work do
1 answer
768 views
The amount a spring will stretch S is proportional to the force (or weight) F attached to the spring . If a spring stretches 8.9
3 answers
1,274 views
Will you please check my answers?
1. Single-celled organisms that do not have a membrane-bound nucleus are called A. organelles.
3 answers
1,374 views
I have a SUPER HUGE project due called National History day and need lots of help with it, plz plz plz help!!!!!
1 answer
591 views
Will you please check my answers?
1. Mary Stevens earns $6 an hour at her job and is entitled to time-and-a-half for overtime,
4 answers
1,026 views
Will you please check my answers?
1. Mary Stevens earns $6 an hour at her job and is entitled to time-and-a-half for overtime,
5 answers
1,183 views
Will you please check my answers?
1. Your employer has 600 business cards printed for you, and you give away 280 of them. To the
13 answers
1,249 views
The base of a ladder leaning against a house is 30ft from the wall. if the ladder reaches 40ft high on the wall , how long is
1 answer
810 views
_______ pioneered the field of corporate public relations.
A. Henry Ford B. Ivy. L. Lee C. Samuel Gompers D. Margaret Robins
2 answers
595 views
_______ pioneered the field of corporate public relations.
A. Henry Ford B. Ivy. L. Lee C. Samuel Gompers D. Margaret Robins
1 answer
702 views
The line y=2x+b is tangent to the graph of y=x^1/2 at the point P=(a, a^1/2). Find P and determine b.
I don't know what to do
2 answers
638 views
Which of the following sets of Dewey Decimal call numbers is in the correct order? A. 010.1 ABR, 004.15 KWA, 100.01 PRO, 100.1
2 answers
693 views
Rectangular pyramid has a base area of x^2+3x-10/2x square centimeters and a height of x^2-3x/x^2-5x+6 centimeters. Wright a
2 answers
5,713 views
Which has a larger perimeter ,a 20-inch by 32-inch rectangle or a 28-inch square
1 answer
1,076 views
Let R be the square region bounded by y = 2, x = 2, and the
x and y-axes. When R is rotated about the x-axis, what is the volume
1 answer
689 views
Let R be the region bounded by the x-axis, x = 5 and the curve
y = x. This region is rotated around the x-axis. Find the volume
1 answer
695 views
Need help with the below math please
tell how you could use a number line to determine which of two numbers is greater.
1 answer
416 views
The mean weight of 75 2nd graders is 55.7 lbs and
the mean weight of 25 1st graders is 42.6 lb. What is the mean weight of the
0 answers
457 views
Emma has 36 feet of fence. She wants to make the largest rectangular area possible for her rabbit to play in. What length should
3 answers
540 views
At l=530 nm:aCuSO4=7.544L/mol-cm aKMnO4= 3.645 L/mol-cm
At l=800nm: aCuSO4=2.908L/mol-cm aKMnO4= 5.412L/mol-cm you use a celleith
0 answers
539 views
What does "find the sum" mean? Please provide an example.
2 answers
696 views
A basketball team has 12 more games to play. They have won 25 of the 36 games they have played. How many more games must they
1 answer
644 views
The ratio of the weight of an object on Mars to the weight of an object on Earth is 0.4 to 1. How much would a 120-lb astronaut
2 answers
3,488 views
The function of g += t^2-t represents the total number of games played by t teams in a sports league in which each team plays
1 answer
1,278 views
A satellite is launched into orbit 200 kilometers above the Earth.The orbital velocity of a satellite is given by the formula
1 answer
2,265 views
This is just out of curiousity:
Are butter and margarine substitute goods?
3 answers
482 views
How can consumer's expectations reduce and increase demand?
I really need help with this question. Thanks Macy:))
3 answers
507 views
What effect would letting a crucible and its contents dry overnight before finding their mass have on the value for the percent
1 answer
587 views