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Cathy

Questions (219)

The distance of the object is 30 cm, the image distance is 60 cm. What is the focal length of this converging lens?
1. 1 answer
2. 74 views
When a myopic person uses glasses to better see far away objects, they are seeing virtual projections of the objects. These
1. 1 answer
2. 112 views
The distance of the object to the mirror is 12 cm. The focal length of the mirror is 10 cm. How far is the image from the
1. 1 answer
2. 55 views
If the distance of the object is 35 cm and the distance of the image is 14 cm, what is the focal length of the mirror?
1. 1 answer
2. 60 views
If the distance of the object is 250 cm and the distance of the image is 140 cm, I say that the focal length is 390 cm.True or
1. 1 answer
2. 64 views
Telescopes used to study stars, planets, galaxies are using mirrors. Mirrors are lighter than lenses and can be built with many
1. 1 answer
2. 159 views
On some department stores we may see security mirrors. These mirrors are convex. Why?A. Because they are cheaper than concave
1. 1 answer
2. 138 views
On some department stores we may see security mirrors. These mirrors are convex. Why?
1. 1 answer
2. 118 views
Tiles with the numbers 1 through 9 are placed in a bag. What is the probability of choosing an even number that is greater than
1. 2 answers
2. 550 views
Use the digits 4, 6, 7, and 8 to make the greatest quotient with no remainder.
1. 5 answers
2. 1,608 views
If a triangle has sides of lengths 5,8 and 12 it is a right triangle ??!! True or false? Can someone please answer
1. 1 answer
2. 1,153 views
Given AB = 18 , DE=6 , and AD = 5 find the perimeter of DEF
1. 2 answers
2. 535 views
Write the expression 6a in wordsWrite the expression 3x+7 in words
1. 3 answers
2. 939 views
Compare and contrast your independent reading selection with one or two other selections you have read in this unit. SUpport
1. 1 answer
2. 881 views
The fertile and productive fields are located at the __________ of the Gila and the Arizona Rivers and are ______________ by
1. 5 answers
2. 463 views
At Laurita's bakery 3/5 of the baked goods are pies and the rest are cakes. 1/3 of the pies are coconut. 1/6 of the cakes are
1. 2 answers
2. 3,327 views
What mass of carbon dioxide is produced when 7.5g of methane is completely burnt in air.
1. 1 answer
2. 507 views
Why can'y pyramids of energy never be inverted?
1. 0 answers
2. 505 views
If a man walks 4 km east and then 5 km south. How far is he from the point where he started?
1. 1 answer
2. 592 views
A ladder 9 meters long is place a wall t base 2 metera away. What is the height reach by the ladder?
1. 1 answer
2. 541 views
If a family plans to have four kids what is the probability that they will have at least one girl
1. 1 answer
2. 445 views
Patel is 5 yrs older than sam. In 2 yrs time,Patel will be twice as old as sam. How old is each now???
1. 1 answer
2. 437 views
Lucy used 3 3/4cups of sugar for her lemonade stand she divided the sugar in equal amounts into 6 pitcher how much sugar went
1. 2 answers
2. 2,047 views
Name the least number that, when rounded to the nearest hundred is 700
1. 1 answer
2. 536 views
What are the most effective and ineffective uses of objective assessments for instructors and learners? What is your view on the
1. 1 answer
2. 635 views
Where can I find examples of a formative assesment a summative assessment a formative evaluation and a summative evaluation. And
1. 4 answers
2. 736 views
Considering the pros and cons concerning electronic gaming make a case for or against the use of these educational games in the
1. 2 answers
2. 540 views
Using the NETS for teachers Standard 1. b. Facilitate and inspire student learning and creativity. b. Engage students in
1. 15 answers
2. 853 views
National Education Technology Standards: NETS for Teachers. 1. Facilitate and Inspire Learning and Creativity.b. engage students
1. 4 answers
2. 841 views
How would you solve this problem. The mean of 10 numbers is 8. If an 11th number is now included, the mean becomes 9. What is
1. 3 answers
2. 2,161 views
A student takes a ten-question true-false quiz, but did not study and randomly guesses each answer. Find the probability that
1. 4 answers
2. 3,743 views
The ratio of oil to vinegar in a certain salad dressing is 8:5. How much oil must be blended with 7 liters of vinegar for that
1. 2 answers
2. 1,887 views
Assume personal income was $28 million last year. Personal outlays were $20 million and personal current taxes were $5 million.a
1. 0 answers
2. 756 views
Treena is a personable student in Mr. Jordan’s math class. Mr. Jordan can see that Treena is popular with her peers. He
1. 2 answers
2. 784 views
Maintenance cost of an equipment is P20,000 for 2 years, P40,000 at the end of 4 years, and P80,000 at the end of 8 years.
1. 4 answers
2. 6,085 views
The surface of a cube is painted red and blue, 3 sides of each. The cube is cut into 27 equal sized smaller cubes. Find both
1. 0 answers
2. 589 views
The surface of a cube is painted red and blue, 3 sides of each. The cube is cut into 27 equal sized smaller cubes. Find both
1. 1 answer
2. 855 views
How many different surface areas are possible when 8 one inch cubes are arranged so that each has one or more faces in common
1. 1 answer
2. 1,003 views
I had to create some learning goals for a personal Finance course (I am pretending to teach. I have these learning goals that I
1. 2 answers
2. 559 views
Identify the solution(s) of the system of equations, if any.x + 5y = 7 4x - 5y = 13
1. 1 answer
2. 1,002 views
simplified expression for 8(x - 8) - 6(x - 3) + 3x.
1. 1 answer
2. 428 views
I have to answer the following questions and just need help finding the right place to look. Guess I am no posting the questions
1. 2 answers
2. 638 views
Solve the inequality. y+3<6My answer: y+3<6 y+3-3<6-3 y<3 Am I correct?
1. 2 answers
2. 426 views
The fluid mosaic model describes the structure of the plasma membrane. Embedded within the plasma membrane are proteins and
1. 2 answers
2. 1,474 views
The fluid mosaic model describes the structure of the plasma membrane. Embedded within the plasma membrane are proteins and
1. 2 answers
2. 753 views
Rearrange the kinetic energy equation to solve for:m And v
1. 1 answer
2. 645 views
After being medicated, the patient's affect/effect was noticeably improved.My answer: the medication had an effect on the
1. 2 answers
2. 586 views
I have to write two paragraphs on s in the Military. The Don't Ask Don't Tell" campaign. What mediums, messages and techniques
1. 3 answers
2. 541 views
Are the following statements correct.1. There is/are normal DTRs noted on examination. 2. The prosthetic hardware was/were freed
1. 2 answers
2. 563 views
There is normal DTRs noted on examination.The prosthetic hardware was freed from the surrounding tissues and removed. I think
1. 1 answer
2. 564 views
Colour blindness is a recessive disorder. If a colour blind male is crossed with a normal female, what are the possible
1. 0 answers
2. 520 views
The scientist analyzes the insulin molecules, which are proteins, of three different species, A, B, and C. The insulin from A is
1. 0 answers
2. 749 views
I don't know how to set up the journal entry (when I Google it it just gives me accounting journals). I also am not sure how to
1. 3 answers
2. 771 views
The slope of a vertical line is _________? The equation of the vertical line passing through (4, 5) is ________?
1. 1 answer
2. 1,879 views
The slope of a horizontal line is 0. The equation of the horizontal line passing through (4,5) is ________?
1. 1 answer
2. 524 views
A line has the equation y = 5x + 4.(a) This line has slope of ___________?(b) Any line parallel to this line has slope
1. 1 answer
2. 913 views
A rental company purchases a truck for $14,500. The truck requires an average cost of $6.75 per day in maintenance.(a) Find a
1. 1 answer
2. 685 views
The rate at which water evaporates from a certain reservoir depends on the air temperature. The table below shows the number of
1. 0 answers
2. 1,113 views
A piece of pottery is removed from a kiln and allowed to cool in a controlled environment. The temperature (in degrees
1. 1 answer
2. 1,364 views
There were 39,000 desktop publishing jobs in the United States in 2000. It has been projected that there will be 64,000 desktop
1. 0 answers
2. 628 views
How can I connect the three "Classical Theories of Morality" to my own cultural identity? How will they align or not align with
1. 1 answer
2. 687 views
(D^2 + 1) y = 1/(1 + sin x)solve for Yp.
1. 0 answers
2. 408 views
(D^2 + 1) y = sec^2 (x) tan (x)solve for Yp.
1. 0 answers
2. 478 views
(D^2 + 1) y = sec^3 xsolve for Yp.
1. 0 answers
2. 419 views
(D^2 + 1) y = sec^2 2xsolve for Yp.
1. 0 answers
2. 390 views
find two numbers the exact answer is between 3*567
1. 3 answers
2. 646 views
Ok so I need to write a equation for this jasmine paid $25 for 2 binders and 1 pack of pens. The pens cost $5. What equation
1. 6 answers
2. 650 views
Solve the equation.X^2+10x-20=0
1. 1 answer
2. 426 views
Do you believe that men and women develop in similar ways across the socioemotional domain in middle adulthood. I have read
1. 1 answer
2. 436 views
I have to invent a fictional character and do charts on them from infancy to early childhood,middle and late childhood
1. 2 answers
2. 730 views
I am now in a Life Span Development course. I need an example of a personal experience that involves nurture in regard to human
1. 3 answers
2. 648 views
In what ways does understanding the origins of the educational system in the U.S. be useful to me as a future educator?
1. 1 answer
2. 521 views
The role of education is society....What types of educational opportunities were available to people in a global society? Do
1. 2 answers
2. 758 views
what is the future value of 500 deposits at the end of each year for eight years 8% compounded annually what is the annuity at
1. 1 answer
2. 552 views
can you recommend some web sites to look for jobs in the field of Education, besides a teacher or administrator.It has to be a
1. 1 answer
2. 1,161 views
!954 to 1980How did the laws intended to increase access , help to eliminate the challenges faced by disenfranchised groups and
1. 1 answer
2. 518 views
Should education be structured to ensure that educated individuals achieve certain results or outcomes?I have tried to google
1. 1 answer
2. 486 views
Of progressive administration and progressive pedagogy, which approach is most effective for learners today and why?I have
1. 3 answers
2. 523 views
What is 3 point difference between working students vs. non working students?
1. 1 answer
2. 481 views
How do I compare and contrast learning as a process and learning as a product.
1. 1 answer
2. 572 views
Will someone show me the formula or help me through working this question? Thanks!A 2.85g lead weight, initially at 10.3 deg C,
1. 3 answers
2. 1,643 views
I posted a question for my education class yesterday and have gotten no reply. Will you look at it and see if you can help me. I
1. 2 answers
2. 745 views
I need to identify categories of learner characteristic that relate to diversity in the learning environment. describe the
1. 3 answers
2. 639 views
How does formal and informal learning experiences combine to make up a persons learning network? Why is it important for a
1. 6 answers
2. 566 views
What is the difference between "knowing that" and "knowing how"?
1. 2 answers
2. 493 views
Suppose two lines intersect in a plane.A. What do you know about the two pairs of vertical angles formed? B. What do you know
1. 1 answer
2. 1,434 views
Suppose you want to make a map with scale 1 in. : 12 mi. How many inches does each distance occupy on the map?4. 60 mi 5. 9 mi
1. 1 answer
2. 546 views
I am writing an essay on Prejudice and Discrimination. I cannot come up with an introduction. I have a quote and one line so
1. 1 answer
2. 639 views
I am trying to set up and write an essay on the subject of "Perception" I have my outline and have written what I need just
1. 8 answers
2. 521 views
Consider the following production possibilities table:Option Y X A 0 100 B 80 80 C 120 50 D 140 10 a)Provide a measure of the
1. 0 answers
2. 1,007 views
can someone help with this 8x/16x^2=5/x-4 solve
1. 1 answer
2. 353 views
(2x+3y)^(3/2)
1. 1 answer
2. 521 views
y = sin xfind the derivative...
1. 1 answer
2. 896 views
You are given vectors A = 5.0i - 6.5j & B = -3.5i + 7.0j. A third vector C lies on the xy-plane. Vector C is perpendicular to
1. 4 answers
2. 6,414 views
Suppose 2 rats die in the first 4hours. What is the probability that 2 or fewer rats will die in the next 4 hours.
1. 0 answers
2. 523 views
Test the potency of a drug on 20 rats. Previous animal show that a 10-mg dose of drug is lethal 5% of the time within 1st 4
1. 0 answers
2. 475 views
a spherical hailstone is losing mass by melting uniformly over its surface as it falls. At a certain time, its radius is 2 cm
1. 1 answer
2. 600 views
Money is invested in a savings account at 3.4% simple interest. After 1 year, there is $1695.76 in the account. How much was
1. 1 answer
2. 2,358 views
the second angle of a triangle is twice the first angle. The third angle is five more than four times the first angle.Find the
1. 0 answers
2. 543 views
If the equilibrium concentrations are [PCl5] = 1.0M, [Cl2] = 0.10M, what is the equilibrium constant value?PCl5(g) <---> PCl3(g)
1. 1 answer
2. 2,793 views

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