Posts by ann
Total # Posts: 1,564

algebra
The circle has a circumference of 50.24. Using 3.14 to approximate piâ€‹, find the value of x. â€ƒâ€ƒâ€ƒâ€ƒâ€ƒâ€ƒA circle with a radius labeled x plus 3. x + 3 
math
Thank you 
math
Is it 50 
math
Maria reads 40 pages of her novel in 4 hours. At that rate, how many pages would she read in 5 hours? 
math
1/2÷5/8 
Math
Clara earns an hourly rate of $20 per hour and 5% commission. Rose earns an hourly rate of $16 per hour and 10% commission. They each work a 40hour week. In one particular week, Clara and Rose both sold the same value of goods and both received the same wage. How much did ... 
Math
11.8 
Math
confuse I should have add the side to get my answer.sorry but math is my weak subject. 
Math
My answer is 84 am I correct ? 
Math
The perimeter is the distance around an object. For a triangle, add the lengths of the three sides. 2 1/2 feet = 30 inches 1/2 yard = 18 inches Help so now I Multiply (2 1/2* 30)+ (1/2*18) 
Math
Thank you that's make sense.I was mixing the rectangle & triangle up. Thank you again. 
Math
Find the Perimeter, sorry. 
Math
SO! how do I solve this problem in inches? A triangle with sides that measures 2 1/2 ft., 20 in., and 1/2 yd. Answer in inches 
Math
Yes, andThank you 
Math
Yes find the perimeter , Sorry. 
Math
Hello Ms. SUe I am new to PreAlgebra. I am not sure this is why I am trying to understand the step so I can do my homework. Can you explain because that is all the instruction say so I am not sure what to do with the I suppose so. Not sure that why I am confused. 
Math
Please help me to understand what it is that I need to do. A rectangle whose length is 5.3 cm and whose width is 2.5 cm 
Math
SO what do I need to do? 
Math
Is my answer 5ft. 8inches? 
Math
A triangle with sides that measures 2 1/2 ft., 20 in., and 1/2 yd. Answer in inches. 
Math
Question if I was dividing this 3 divided by 16 lb. 5 oz.= 5ld.5oz. 
Math
Thank you for the help 
Math
Hello Ms. Sue that would be 216 
Math
A rectangular solid 9 in.x 3 ft. x 8 ft. Answer in cubic feet. 
Physics
sorry it is 48/ 3=16 
Physics
48/4 =16 
Applied Math
When a number is divided by 5 and the quotient is increased by 8, the result is 16. Find the number. 168=8 8*5=40 X=(168) 8 X=40 am I correct? 
Applied Math
How would I set this up to work? When a number is divided by 5 and the quotient is increased by 8, the result is 16. Find the number. 
HELP Science
1)What do we mean by opponent processing? (2 marks) How are white and yellow produced by the opponent process? (3 marks) 2)Describe how light is produced in the atom (2 marks.) Why does each atom produce only specific colours? (3 marks) 3)How does the temperature of an object ... 
Science
It's suppose to be a six letter word 
Science
What are the organs that fat bodies are adjacent to in the frog? It is a six letter word. 
Science
What are the organs that fat bodies are adjacent to in the frog? It is a six letter word. 
science
A frog’s intestine absorbs toxins, such as venom in insects, along with nutrient s. The liver then filters these toxins out. Why is this filtering so important? 
science
How do the secretions from the liver and pancreas interact with each other in the small intestine? 
Science
When you feel your pulse, what type of blood vessel are you feeling? What characteristics allow you to feel this? 
Math
A pears rolls across a table with a speed of 0,5 m/s and falls off the edge, if it lands 3m from the edge of the table from what height does it fall 
statistic
What does deviation mean? 
maths
So are you basically just guessing? 
maths
What is the meaning of probability in maths 
maths help
CDEF is a trapezium ABCF is a rectangle and perimeter is20cm BD=9cm AB=6cm EF=3cm What is the area of CDEF 
maths help
Please could you answer my question 
maths
I had to do it for maths homework and it really helped me answer the other questions 
maths thanks
Thanks for answering arora 
maths
A sculpture needs to lift a piece of marble.it is a cuboid with dimensions 1m by 0.6m and 0.3m.marble has a density of 2.7. work out the mass. 
Math
In order for me to change this decimal to a complex Fraction, and simplify did I di it correctly? .12 1/2 = 0.06 
Physics
Two gliders on an air track collide in a perfectly elastic collision. Glider A has mass 1.1 kg and is initially travelling at a velocity of 2.7 m/s [E]. It collides headon with glider B with mass 2.4 kg, travelling at a velocity of 1.9 m/s [W]. Determine the final velocity of... 
Physics
A squid can propel itself by taking water into its body and then expelling it. A 0.60 kg squid expels 0.30 kg of water with a velocity of 20 m/s [S]. What is the speed of the squid immediately after expelling the water? 
Physics
A football player of mass 103 kg running with a velocity of 2.0 m/s [E] collides headon with a 110 kg player on the opposing team travelling with a velocity of 3.2 m/s [W]. Immediately after the collision the two players move in the same direction. Calculate the final ... 
Physics
A tennis ball with mass 57 g is travelling at 25 m/s [S] when it is intercepted by a tennis racquet for 4.0 ms after which the ball travels at 32 m/s [N]. What is the impulse imparted by the tennis racquet? 
math
Each number cube has 6 faces numbered 16. John tossed 2 number cubes several times and added the numbers each time. Sum of the number of cubes total tally number of times 2 1 ? 7 4 ? 
english
Fifty undergraduates participated in the selection procedures. Their average age was 21 with a standard deviation of 1.20. There were 25 males and 25 females. (Put into a single sentence, in logical sequence) 
Chem
Which of the following are possible statistically significant findings from a 2 X 2 factorial design? a. two main effects but no interaction b. no main effect for either factor but an interaction c. All of the above are possible d. two main effects and an interaction my answer... 
Chem
You're studying the effect of stereotype threat on test performance. You randomly assign your participants to either a control condition (in which they are given the test with simple instructions on how to complete it) and an experimental condition (in which you first ... 
Physics
Spaceman Spiff orbits planet X with his spaceship. To remain in orbit at 410km from the planet's center, he should maintain a speed of 68 m/s. What is the mass of planet X? 
Physics
A 15 kg block is on a ramp which is inclined at 20 degrees above the horizontal. It's connected by a string to a 19kg mass which hangs over the top edge of the ramp. With no frictional forces taken into account, what is the magnitude of the acceleration of the 19kg block? 
English
I think I'll go with Calpurnia, since I'll be using this for an essay and will probably have more evidence for her than Scout. Thanks for your help! 
English
Well, she does spend most of her time at the Finch house caring for Scout and Jem. It's also mentioned a couple of times in the novel that Calpurnia stayed late at the Finch house watching the children since Atticus wasn't home. Maybe she's sacrificing her time ... 
English
Does she sacrifice herself by taking care of Scout and Jem? 
English
In To Kill A Mockingbird by Harper Lee, name three characters who have sacrificed themselves for the sake of others. (I've thought of Atticus Finch and Boo Radley, but have difficulty of thinking of the third person.) 
MATH
WHICH SHOWS THE GCF OF 18 AND 24 WITH 18/24 IN SIMPLEST FORM 
history
thank you 
history
For my nhd project my topic is The Pearl Harbor Bombing how does this apply to Conflict and Compromise? P.S. I cannot use wikipedia so help! 
geometry
10 y 11 rectangle is enlarged by 300%. How does the perimeter of an original rectangle compare to the new perimeter? 
Math
A bike wheel has a radius of 40 inches. If Mary rides the bike 1 mile (63,360mi.), approximately how many times has the wheel rotated? 
Math
A bike wheel has a radius of 40 inches. If Mary rides the bike 1 mile (63,360mi.), approximately how many times has the wheel rotated? 
Math
When a group of 50 consecutive multiples of 7 is added the answer is 12 075. i) What is the smallest of these numbers? ii) What is the largest of these numbers? 
math
Estimate 420,983 + 39,932 
science
A chemical change produces a new substance, while physical changes don't. In the case of the alcohol evaporating, it's still alcohol in the end, but it's now a gas. With the steam rising, it's it's still water. The wood loses some water but it's still ... 
forensic
__________________ appear to match in one set of lighting conditions, but not in another. Dyes Pigments Metameric colors Simultaneous contrast colors Fluorescent fibers 
Chem
Which statement is true when considering color in a fiber? the color is measured using an FTIR the color depends upon the lighting source the color is always a result of a pigment in all fibers there are very few color dyes that can be used for fibers none of the above are true 
forensic science
Why is the cross section of a fiber important? it is a distinctive trait of only natural fibers It is a distinctive trait of only synthetic polymer fibers it can vary significantly with the fiber it provides athe basis for the Beck line it determines the final color of the fibe 
MATH
which channels is the most popular one for the evening news? WKOD 13%, WCLM 24%, WWCN 41% WANR 22% ? 
math
Find the value of 8.3x 24.2x0.03. Round your answer to the nearest hundredth. 
math
Find the value of 8.3x 24.2x0.03. Round your answer to the nearest hundredth. 
Chem
Select sequence that corresponds to the following: CTCGA TTAAGG CTCGG AATTCC GAGCT GAGGAG 
forensic
Which of the following is true about RFLP? (multiple answer) the repeat strands are very short it analyzes only mitochondrial DNA it involves amplifying DNA restriction enzymes are used to cut the DNA at the ends of the repeat sites length polymorphism is used to distinguish ... 
forensic science
Select the correct order of the GC components Column, Recorder, Carrier Gas, Flow Controller, Detector Recorder, Carrier Gas, Column, Detector, Injector port Injector port, Carrier Gas, Detector, Recorder Carrier Gas, Column Oven, Flow Controller, Detector Carrier Gas, Flow ... 
Chem
What is the difference between adsorption and partition chromatography? A. absorption is faster? B. partitioning is faster C. absorption can only be used with gaseous analytes D. partition can only be used with gaseous analytes E. one typically uses two immiscible liquids with... 
forensic science
yes 
forensic science
What type of substance is the mobile phase in gas chromatography? a polar liquid a nonpolar liquid a mixture of two liquids to create the correct polarity a polar gas an inert gas like nitrogen my answer is an insert gas like nitrogen 
forensic science
Quantization is Interaction of electromagnetic radiation and matter at discrete energy levels The ion separator in a mass spectrometer Chemical ionization The bombardment of an analyte by a stream of energetic electrons Inelastic scattering My answer is the bombardment 3 amswer 
Forensic science
The_____________spectrum is so complex it is considered to be unique: Visible Ultraviolet Infrared Microwave Fluorescence 
forensic science
"In fluorescence microscopy, the wavelength of the emitted light is __________that of the exciting radiation." Longer than Shorter than Equal to Either longer or shorter than Impossible to determine My answer is Longer than am I correct 
Chem
The objective lens of a compound microscope has a numerical aperture of 0.4. The maximum useful magnification of the microscope is: 400x 1,000x 10x There is not enough information given to calculate this the correct answer is not given 
forensic
Select the proper order of examination "Fingerprints, trace evidence, DNA" "Disease diagnosis, DNA, fingerprints" "Ink analysis, content analysis, DNA" "Handwriting, ink analysis, DNA" None of the above my answer is the first one 
forensic science
Colored chips found on the road are determined to be red car paint 
forensic science
Identification is the examination of chemical and physical properties of an object and using the results to categorize the object as a member of a group. Which of the following are examples of identification? Determination that hairs found on a bag are from a cat Determination... 
forensic science
What is a trier of facts? Only a trial by a jury the party or parties determining guilt or innocence only a trial by a US Superior Court magistrate the determination of guilt or innocence by an elected official the complete summary of all evidence in a case 
microbes and society
Sterilization refers to the: a. complete destruction or removal of all forms of life. b. elimination of pathogens only. c. destruction of microbial spores only. d. killing of bacteria only. e. killing of all microbes except for viruses. i believe it is C 
MICROBES AND SOCIETY
Which of the following applies to the adenoviruses a. cause high fever, sore throat, and severe cough. b. The viruses are involved in liver diseases. c. Most adenoviruses are transmitted by contaminated arthropods. d. The viruses have a close association with Reye's ... 
Math
If you flip three fair coins, what is the probability that you'll get a head on the first flip, a tail on the second flip, and another head on the third flip? 
Psychology
which of the following is a possible statistically significant outcome from a 2x2 factorial design. A. The other three choices are all possible outcomes . B. Two main effects and an interaction . C. no main effect for either factor but an interaction D. two main effects and ... 
Research 1
which of the following is a possible statistically significant outcome from a 2x2 factorial design. A. The other three choices are all possible outcomes . B. Two main effects and an interaction . C. no main effect for either factor but an interaction D. two main effects and ... 
Statistics
The admissions counselors at rainy University believe that the freshman class they have just recruited is the brightest yet. If they want to test this belief (that the freshmen are brighter than the other classes), what are the null and alternative hypotheses? Is this a one ... 
Business Math
split level for 200,000 put down 30% assuming rate of 11 1/2% on 30year mortgage, determine monthly payment. 
math
the trip from town A to town B was travel at 5 km/h, and the trip back at 4 km/h. What was the average speed? 
math
write triangular formulas to find numbers between 10 and 30 
Math
A play has two roles for men and four roles for women if five men and 12 women tryout for these parts,in how many different ways can the director choose people for the roles 
Math
I'm having trouble with this question At the movies, it costs $5.00 to rent each movie. If you do not return the rentals on time, it costs you $3.00per movie rental per day. You recently rented movies from the business and returned them 2 days late. The total cost of the ... 
cellular solids
Calculate the Young's modulus and compressive strength for: a) 5% dense aluminum regular hexagonal honeycomb, loaded in the outofplane direction, x3 b) 5% dense aluminum regular hexagonal honeycomb, loaded in the inplane direction, x2 c) 5% dense aluminum opencell foam...