Posts by hannah
Total # Posts: 3,494

Fractions
so,its 2/6? 
Fractions
1/2 of the birds at a pet store are yellow. tara buys 1 of the yellow birds. then 1/3 of the yellow birds at the store are yellow. how many yellow birds were at the pet store before tara bought one? how can i explain it step by step in 3rd grade version 
Physics
An egg is thrown nearly vertically upward from a point near the cornice of a tall building. It just misses the cornice on the way down and passes a point a distance 37.0m below its starting point at a time 5.00 s after it leaves the thrower's hand. Air resistance may be ... 
science
B and D 
physics(online)
Find the change in the force of gravity between two planets when distance between them is decreased by 12 
Science help please
Are you referring to supernatural..... if so... you guys are EVERYWHERE 
science
It's B. 
math
Stephanie is working on a graph that represents the path of a roller coaster. The point (0, 840) represents the point at which the roller coaster first begins to drop at a constant rate. The point (15, 240) represents a point along the ride at which the roller coaster is still... 
physical Science
6,451 calories 
English help
From the words below supply the words needed to complete the sentences. Euphemism, opaque, evanescent, exacerbated exemplary, ornate 1. The OPAQUE window was replaced by a transparent one; the change, however rather than making the situation better, only EXACERBATED the ... 
English
Can any of check my answers on these three analogies? That would be great! 1. bear: den:: A. person : home B. locomotive: train:: C. wolf : lair D. fish : school I think it would be B :) correct me if I'm wrong 2. locomotive : train:: A. motor : auto B. tide : waves C. boy... 
Math
I need some guidance on this next problem. Slope intercept form of the equation of the line described. Through (2,3) perpendicular to y=5 
history
Thanks so muchhh!!!!! :) 
Algebra, URGENT!
Two angles are supplementary if the sum of their measures is 180∘. If the measure of one angle is 13x degrees, represent the measure of its supplement as an expression of x. 
Math
Apply a reflection and translation down 3 units to the following G(x)=3x2 
Math
Apply a translation up 6 units to the following F(x) 6x10 
Math
Just makin sure if I did this right on my hw. So it says write an equation in slope intercept form that is parallel to y=3x7 and passes through (0,4) I got y=3x+4 is that correct? 
Geometry
An equilateral triangle has side lengths of 10. If the consecutive midpoints of the triangle are joined, then find the perimeter of the new triangle that is formed 
math
a car rental company charges a flat rate of $29 per day and an additional $0.15 per mile. Write an equation to model the total charge 
Science
I took my pulse while resting, walking in place, and running in place. Each for 30sec. My resting heartrate was 76, 68, and 70. With an average of about 71, then my walking in place heartrate was, 112, 106, and 109 with an average of 110bpm. Then last I ran in place for 30sec... 
calc
what is the derivative of y=ln (1x^2)^1/2 so its hard for me to write all of my work on here but i got 1/2(1x^2) as my answer and that is one of the choices but it is not the correct choice. the correct answer is x/(1x^2) how did they get this answer? 
CHEMISTRY
in order to find molarity you have to Divide the number of moles of solute by the number of liters of solution. so for this specific problem convert the grams of NaCl to moles and the ml of solution to Liters then divide. 
MATH
What would the x intercept be? 
MATH
No 
MATH
IF point A is (3,8) and point B is 6,4)and the slope is 4/3 what would the x and y intercepts be? 
Math
How do you do an equation of line perpendicular through yintercept? 
Math
So now I then have to put it in a equation of line parallel thorough (2,0). How would I do that? Then after that I would have to put equation of line perpendicular through yintercept. How would I do that too? Thanks so much for help me I really don't understand this!! 
Math
Okay!! So would y=2x+8 be the equation? 
Math
So if point A is (2,4) and point B is (3,2) and slope is 2 how would I find the x and y intercepts? 
Math
So what would the point of point B be? 
Math
If the slope is 2 and point A is (2,4) what would point B be? 
alebraga
7x+3=3x+4 
College
7x+6=x30 
Physical Science
Why do astronomers when using the method to calculate the distance to stars, they measure the parallax angels exactly 6 months apart? 
biology
Before entering the Krebs cycle, an intermediate molecule bonds to a 2carbon molecule. This intermediate complex enters the Krebs cycle and combines with a 4carbon molecule to form citric acid. The name of this molecule is ____________________. A. citrase B. FADH C. ATP ... 
biology
Oxygen becomes part of cellular respiration _________________. A. at the end of glycolysis B. at the end of the electron transport chain C. at the end of fermentation D. at the end of the Krebs cycle 
Math
Please help me solve this!! I'm really struggling with this topic Write an equation in slope intercept form that is parallel to the following two points: (1,4) and(1,5) 
Math
Please help me solve this!! I'm really struggling with this topic Write an equation in slope intercept form with a yintercept of 1 and is parallel to the given line 
english
I am confused on this please help 
english
. Which of the following is the best example of an inverted sentence? A. “All that breathe/Will share thy destiny. . . .” B. “and thee/The allbeholding sun shall see no more. . . .” C. “the dread reign there alone. . . .” D. “The oak/Shall ... 
Math
what would the equation be in slope intercept of 1 and is parallel to the given line 
Math
Write an equation in slope intercept form with a yintercept of 3 and is perpendicular to the given line 
algebra 2
can someone please answer this 
algebra 2
(This homework question was removed due to a copyright claim submitted by NNDS.) I messed this up when I asked earlier is the right answer 3/4 ..please let me know 
algebra 2
A cafeteria has 5 turkey sandwiches, 6 cheese sandwiches, and 4 tuna sandwiches. There are two students in line and each will take a sandwich. What isthe the probability that the first student takes a cheese sandwich and the next student takes a turkey sandwich? the answers I ... 
English
Pick the correct letter for the analogy below. Please correct me if I'm wrong!! meditation: church:: A. calibration: math B. skating: rink C. watch: time D. collaboration : army Is it A? 
English
Pick the correct letter for the analogy below. Please correct me if I'm wrong!! thermometer: heat:: A. monograph: books B. barograph : stocks C. seismograph : tremors D. telegraph: sound Is it B? 
English
Pick the correct letter for the analogy below. Please correct me if I'm wrong!! A. thermometer: heat B. barograph : stocks C. seismograph : tremors D. telegraph: sound Is it B? 
English
Is it C? 
English
Pick the correct letter for the analogy below. Please correct me if I'm wrong!! toe: foot:: A. nose: face B. hand: arm C. finger: hand D. limb: tree 
algebra 2
typo that was a choice f or the answers 
algebra 2
A builder has 8 lots available for sale. · 3/4 Six lots are greater than one acre. · Two lots are less than one acre. answers I have to choose from 3/4 5/14 27/64 3/4 please help 
algebra
I did not see it . sorry 
algebra
. There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What percent chance is there that it will rain on both Saturday and Sunday? A. 3% B. 15% C. 20% D. 40% would the answer be c 
algebra
There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What percent chance is there that it will rain on both Saturday and Sunday? A. 3% B. 15% C. 20% D. 40% 
algebra
yes 
algebra
y6 = 3(x + 1) A. The slope is 3, and the yintercept is 6. B. The slope is 3, and the yintercept is 1. C. The slope is 3, and the yintercept is 3. D. The slope is 3, and the yintercept is 1. 
algebra
Which is the equation of the line that contains the points (0,3) and (2,4)? A. x+2y=6 B. 2x+y=3 C. 2x+y=0 D. x2y= 
chem
A cars gas tank holds 15.2 gallons of gasoline (density = 0.66 g/ml). How many pounds of gasoline are present in a full tank? 
math
3. The halflife of a certain drug in the human body is 8 hours how long it would take for a dose of this drug to decay to 0.1% of its initial level? 
math
2. A bacteria population grows exponentially with growth rate k=2.5 how long it would take for the bacteria population to double its size? 
math
1.The remains of an old campﬁre are unearthed and it is found that there is only 80% as much radioactive carbon14 in the charcoal samples from the campﬁre as there is in modern living trees. If the halflife of carbon 14 is 5730 years, how long ago did the camp... 
math
A cafeteria has 5 turkey sandwiches, 6 cheese sandwiches, and 4 tuna sandwiches. There are two students in line and each will take a sandwich. What is the probability that the first student takes a cheese sandwich and the next student takes a turkey sandwich? 
algebra 2
In a shipment of alarm clocks, the probability that one alarm clock is defective is 0.04. Charlie selects three alarm clocks at random. If he puts each clock back with the rest of the shipment before selecting the next one, what is the probability that all three alarm clocks ... 
algerbra 2
would this be 20 % 
algerbra 2
There is a 10% chance it will rain on Saturday and a 30% chance it will rain on Sunday. What percent chance is there that it will rain on both Saturday and Sunday 
Math
What is the yintercept for the equation x=3y6=0? 
Math
What is the yintercept for the equation x=3y6=0? 
Math
Write the equation of a line whose slope is the same as the line y=2x=7 and whose yintercept is the same as the line 2y=x8. 
science
During road construction a section of rock is cleared which contains many fossils each shovel of rock removed from the trench uncovers several fossils some of the fossils That are exposed include a prehistoric fish petrified wood water plant imprints and jawbone from a giant ... 
Statistics
C) 2.3 
Science
The answers are D,B,A,C incase anyone in 2016 is looking lol 
History!!!!
were they correct ms.sue? 
biology
Enzymes in the human body work in a very wide range of conditions. A. True B. False 
biology
Substance X is converted to substance Y in a chemical reaction. What role would a catalyst play in this scenario? A. It would increase the solubility of substance X into the solvent needed to speed up the reaction. B. It would speed up the reaction by becoming part of the ... 
biology
an experiment, a scientist notices that an enzyme’s catalytic rate decreases when the pH of the environment is changed. Which of the following best summarizes the effect of pH on the enzyme? A. pH changes the shape of the enzyme. B. pH takes energy away from the enzyme, ... 
science
2. How do enzymes impact biochemical reactions in the body? A. Enzymes are catalysts to biochemical reactions. B. Enzymes lower the activation energy of biochemical reactions. C. Enzymes can speed up biochemical reactions. D. All of the above are correct. 
science
1. In an experiment, a scientist notices that an enzyme’s catalytic rate decreases when the pH of the environment is changed. Which of the following best summarizes the effect of pH on the enzyme? A. pH changes the shape of the enzyme. B. pH takes energy away from the ... 
biology
Sulfur has six electrons in its outer most energy level. In ionic bonding, it would tend to _____________________________. A. take on two more electrons B. give away two electrons C. give away six electrons D. not take on anymore ... 
biology
Which of the following involve electronic charges? A. hydrogen bonds B. ionic bonds C. polar molecules D. all of the above 
algebra
I have a problem with this: y=1.5x Questions: What is the rate of change between the variables? State whether the y values are increasing or decreasing, or neither, as x increases Give the y intercept List the coordinates of two points that lie on the graph of the line in the ... 
biology
Which of the following involve electronic charges? A. hydrogen bonds B. ionic bonds C. polar molecules D. all of the above 
biology
Sulfur has six electrons in its outer most energy level. In ionic bonding, it would tend to _____________________________. A. take on two more electrons B. give away two electrons C. give away six electrons D. not take on anymore ... 
social studies
What is a possible explanation of why China abandoned overseas exploration in 1435? A. China could not develop advanced naval technology. B. The voyages of Zheng He failed to impress local rulers. C. Confucian scholars wanted to protect China’s traditions. D. The Chinese ... 
algebra 2
Isabella shipped a 5pound package for $4. She shipped a 3pound package for $3.60 and a 1pound package for $3.20. A 10pound package cost $5 to ship. The shipping cost follows a pattern based on the weight of the package. Which expression can be used to calculate the ... 
algerbra 2
1. Marissa is a photographer. She sells framed photographs for $100 each and greeting cards for $5 each. The materials for each framed photograph cost $30, and the materials for each greeting card cost $2. Marissa can sell up to 8 framed photographs and 40 greeting cards each ... 
Chemistry
please explain 
Physics (Please check)
So I just want to make sure I did the math corretly: My value for angle of incidence was 20 degrees and for refraction it was 15 so I did Sin(20) / sin (15) = 1.32 which is very close to the accepted value. Is this corret? 
Physics (Please check)
Calculate the index (n water) of refraction of water given the angle of incidence and the angle of refraction. I know that the accepted value for n is 1.33 but I am not sure how to calculate the index. Would I use Snell's law: na sin Qa = nb sin Qb? Thank you! 
Math
What would this look like in an equation in slope intercept form? through (3,4) and (3,4) Would it be Y=4/3x+0 ?? 
Math
What would this look like in an equation in slope intercept form? Xintercept 4, Yintercept 2 Would it be Y=1/2x+2 ?? 
Math
What would this look like in an equation in slope intercept form? through (0,7) and (1,9) Would it be Y= 2/1x+7 ? 
Math
How would you put this in an equation in slope intercept form? what would it look like? Xintercept 4, Yintercept 2 
Math
How would you put this in an equation in slope intercept form? what would it look like? Yintercept 5, Xintercept 3 
Math
How would you put this in an equation in slope intercept form? what would it look like? Slope 3; xintercept 3 
Math
How would you put this in an equation in slope intercept form? what would it look like? Slope 1/2 ; xintercept 4 
English
Is that correct? 
English
False 
English
Whitman, Bradstreet, and Wheatley included sensory details in their poetry. True/False 
algebra
please help with my other ones