# Posts by KATRINA

Total # Posts: 274

Geometry
Show that triangle ABC is a right triangle. point A: (-7,-2) point B: (-3,-3) point C: (-4,-7) I really don't know how to do this, please help.

Math
Find the percent of increase or decrease. 1. The price of ratio genius for \$40-\$44

food and Nutrition
Which protein is usually given the 'superior' names?

Music
1. How is the survival of indigenous music and culture related to the challenges of modernization and environmental degradation?

algebra
An inequality is shown below: ?np ? 3 ? 7(c ? 4) Which of the following solves for n? n ? ? the quantity 7 times c minus 31 all over p n ? ? the quantity 7 times c minus 25 all over p---my choice n ? ? the quantity 7 times c minus 31 all over p n ? ? the quantity 7 times c ...

Math
What is the equation of the line that passes through the points (?2, 1) and (1, 10)? 3x ? y = ?7----my answer 3x ? y = ?5 3x ? y = 5 x + 3y = ?5

math
idk how

math
What is the equation of the line that passes through the points (?2, 1) and (1, 10)? 3x ? y = ?7 3x ? y = ?5 3x ? y = 5 x + 3y = ?5

1. Which type of metal did Rutherford shoot alpha particles into? A)Copper B)Zinc C)Gold D)Platinum 2.When Thomson held a positively charged plate near the cathode ray, the beam bent toward the plate. What conclusion can be drawn from this observation? A)The beam was made of ...

science
can anyone check my answers? :)

science
1. Which type of metal did Rutherford shoot alpha particles into? A)Copper B)Zinc C)Gold D)Platinum 2.When Thomson held a positively charged plate near the cathode ray, the beam bent toward the plate. What conclusion can be drawn from this observation? A)The beam was made of ...

Science
oh okay In the atomic orbital model, the atom consists of a nucleus surrounded by orbiting electrons. These electrons exist in atomic orbitals, which are a set of quantum states of the negatively charged electrons trapped in the electrical field generated by the positively ...

Science
What describes the current model of the atom? A)That electrons and protons move randomly around a nucleus. B)Electrons travel as waves in the electron cloud that surrounds the nucleus. C)Electrons orbit the nucleus like planets orbit the sun. D)Protons orbit the nucleus like ...

Math
file:///Users/kat/Documents/jiskha%20.png

Math
The image below shows two dilated figures with lines KL and K’L’ drawn. If the smaller figure was dilated using a scale factor of 2, what relationship do lines KL and K’L’ have?

math
Part A: Max rented a motorbike at \$465 for 5 days. If he rents the same motorbike for a week, he has to pay a total rent of \$625. Write an equation in the standard form to represent the total rent (y) that Max has to pay for renting the motorbike for x days. (4 points) Part B...

Math
Rationalize each dominator and simplify. All variables represent positive numbers. 10 / 5-?5 I tried but I couldn't get the answer right.

U.S History
What did the Alien and Sedition Acts represent? A)Thomas Jefferson's concern with national defense B)James Madison's concern with personal freedom C)The importance of immigration to the Democratic-Republicans*** D)The importance of national security to the Federalists ...

history
1.What event led to the U.S. purchase of the Louisiana Territory? A)The burning of a U.S. Navy ship in the First Barbary War B)The U.S. Supreme Court's decision in Marbury vs. Madison C)The successful Haitian slave revolt **D)Napoleon losing money in his European wars 2....

Spanish 2 Present Subjunctive
I speak spanish so here's what i think but I'm not 100% 1. B and i think you meant pidias 2.C 3.A

science double check answers
1.Asteroids in our solar system are a)planets b)comet remains c)found in an asteroid belt** d)pieces of ice 2.Which of the following would not be found on the electromagnetic spectrum? A)The wavelengths of electromagnetic radiation B)The frequency of electromagnetic radiation ...

U.S History
Which of the following offers the best definition of the phrase "headright system"? A)Settlers were given land and, in return, were expected to farm and build on it.*** B)Settlers were given money if they agreed to sell a portion of their crops to Britain. C)Settlers...

U.S History
i thought because all the british moved out of florida and new orleans

U.S History
Case Study: General Andrew Jackson: Andrew Jackson's military career spanned several wars including the American Revolution, the Creek War, the War of 1812, and the First Seminole War. After the Creek War, Jackson and the Creek Indians signed the Treaty of Fort Jackson in ...

history
thank you

history
so for the first question i would go with A, because different regions did specialize in different crops for example, the south dominated tobacco, cotton, the middle dealt with corn and wheat, and the new england colonies handled whisky etc. The second one for sure is C

history
I don't want to guess, is there a link you can send me to help figure it out?

history
Which of the following best explains why trade among the colonies flourished? A)The different regions specialized in different crops. B)The colonies had developed large fleets of trading ships.** C)Existing trade routes were well-maintained by Native Americans. D)Colonies were...

U.s History
1.Which statement best describes an effect of William Penn's actions on colonial America? A)Cash-crop agriculture became more profitable in the Southern colonies. B)Many immigrants came to the Middle colonies seeking religious freedom.*** C)Several northern colonies ...

U.S History
Thank you

U.S History
1.Use the passage to answer the following question: So through the night rode Paul Revere; And so through the night went his cry of alarm To every Middlesex village and farm, A cry of defiance, and not of fear, A voice in the darkness, a knock at the door, And a word that ...

science double check answers
1. What is the alignment of the Earth, moon, and sun during a lunar eclipse? A)Earth, sun, moon B)Earth, moon, sun C)Sun, Earth, moon** D)Sun, moon, Earth I know that for a lunar eclipse the earth is in the middle, so i just wanted to double check 2.A scientific law A)can have...

Science
1.When the effects of the moon and sun work together, this is what kind of tide? A)Neap tide B)Fall tide C)Spring tide** D)New moon tide

Math
25/x = 9/6 (where 25 is the tree's shadow, x is the unknown height of the tree, 9 is the man's shadow and 6 is the man's height) solve for x cross multiply 25(6) = (9)x 150 = 9x x = 150/9 do the division x = 16.6 the tree is 16.6 feet or about 17 feet tall

science
1. What is the alignment of the Earth, moon, and sun during a lunar eclipse? A)Earth, sun, moon B)Earth, moon, sun C)Sun, Earth, moon** D)Sun, moon, Earth I know that for a lunar eclipse the earth is in the middle, so i just wanted to double check 2.A scientific law A)can have...

Henry 's weekly wage is €450. If Henry spends €90
weekly wage x fraction = rent X = fraction (450)(x)= 90 x = 90/450 x = 1/5 answer: 1/5

science
1.A scientific law A)can have only one known exception B)can have any number of exceptions as long as we know about them ** C)might have many exceptions we don’t know about D)has no exceptions 2.Sunspots are A) solar storms that can interfere with communication satellites...

science
I'm going to go with B for number 1 and for number 2 I would guess but that wouldn't help, could you guide me to understand? I'm willing to learn, answers aren't JUST what i seek :)

science
1.A scientific law A)can have only one known exception B)can have any number of exceptions as long as we know about them C)might have many exceptions we don’t know about D)has no exceptions*** 2.Sunspots are A) solar storms that can interfere with communication satellites...

Social studies

science
thank you for that extensive explanation, that was rather helpful so for the first question you would say its B?

science
I'm stuck on the following questions 1)The geocentric model of the universe states that the Earth is the center of the universe. This is an example of a A)scientific conclusion B)pseudoscience C)scientific law*** D)Scientific method Through process of elimination i know ...

Social Studies
Refer back to the text about the benefits of agriculture for ancient Egyptians. List three benefits. Write advertising slogans to promote agriculture to ancient Egyptians. Use your slogans to make a presentation about one or more benefits. Brainstorm one ad idea for online, TV...

(Math) PLZ CHECK ANSWERS
1. Which number is a solution of the inequality? 10.6<b A)-18 B)-9 C)7 D)14*** 2. Which number is a solution of the inequality? y+2>8 A)-5 B)-6 C)6 D)7*** 3. Which number is a solution of the inequality? 6>z(10-z) A)0 B)1 C)2 D)3*** 4. What are all the subsets of the ...

Math
5.23 x 44 rounded to its greatest place value

Math
A metal cylindrical cannister is 1' 3"long and has a diameter of 4 inches. What is the total surface area of the cylinder?

biology
Both of the following processes represent what? A. A baker using yeast to make dough rise. B. Inserting human insulin genes into bacteria to make insulin for diabetics. biotechnology transgenic organisms genetic engineering all of the above

physics
a stone is dropped vertically into a lake which one of the following statements best describes the motion of the stone at the instant it enters the water?a)Its velocity and acceleration are both downwards b)It has an upwards velocity and a downward acceleration c)Its velocity ...

Chemistry
What is the name for the following coordination compound or ion? Na3[Cr (NH3) NO2 Cl3]

math
Two men and a woman are lined up to have their picture taken. If they are arranged at random, what is the probability that (A) the woman will be on the left in the picture? (B) the woman will be in the middle in the picture?

I NEED HELP WITH THIS. PLZ
That's the one steve said

I NEED HELP WITH THIS. PLZ
Lesson 2:3-D Views Unit 2: Measurement Multiple Choice For questions 1-3, use the following model. 1. How many cubes are in the base of the model? (1 point) A. 3 B. 4 C. 7 D. 2 2.How many cubes would be shown in the right view of the model? (1 point) A. 3 B. 6 C. 7 D. 4 4. ...

pharmacy tech
3. You receive an order for 30 mL of 3% boric acid solution. The pharmacy has in stock a 1% and 5% boric acid solution in stock

math
um help

Math
What is 503,000,000 as a percentage? I am doing this for a school project. It's really difficult to figure out. Just saying.

Math
What is 503,000,000 as a percentage?

English
Yes, thank you so much!

English
I think I might have got the prepositional phrases for number 7. The prepositional phrases are near the city, past the mountain is a pot of gold. The verb is for and the subject is you. I have a question, in the prepositional phrases, do you cross out the word and or do you ...

English
I really need someone to check my answers and I don't want to get the answers wrong. Cross out any prepositional phrases. Underline the verb/verb phrase twice. 1.) John walked along the trail during the summer. Subject:John Verb:walked Phrase:along the trail during the ...

English
There are two prepositional phrases right?

English
I really need someone to check my answers so please check. 1.) Hurry down the hall for your next meeting. Phrase: down the hall for your next meeting Verb: hurry Subject:(you)

Write two possible quartic inequalities, one using the less than or equal to symbol (≤) and the other using the greater than or equal to symbol (≥), that correspond to the following solution : -6-√2 <x< -6+√2 or 6-√2 <x< 6+√2

ss
Miranda and boo were actually right I got a 100% thanks:)

Chemistry
1) How would you expect the solubility of the following to vary n a series of solutions of increasing ionic strength created by adding KNO3 a) ammonia b) ammonium chloride 2) If the ionic strength was increased by adding KCl, the solubility of which one of the above two ...

math
Anita has 2 sisters and 3 brothers. The mean of all their ages is 6yrs.What will their mean age be 10yrs from now?20 yrs from now?

chemistry
a balloon is filled with 15 L of an ideal gas of 20C. at this temperature the pressure of the gas is 1520 mm Hg. Suppose that the volume of the gas is reduced to 5 L at 290 K. what is the new pressure of the gas in atmospheres?

science help!!!!!!!!!
The answer is d for sure.

physics
The system in the Figure is in equilibrium. A mass M1 = 226.0 kg hangs from the end of a uniform strut which is held at an angle è = 41.0° with respect to the horizontal. The cable supporting the strut is at angle á = 27.4° with respect to the horizontal...

Physics
You are the juror of a case involving a drunken driver whose 972 kg sports car ran into a stationary 2094 kg station wagon stopped at a red traffic light. The cars stuck together and slid with locked wheels for 11.0 m before coming to rest. The coefficient of sliding friction ...

Science/Physics
I have this assignment too right now,and can't answer it..because the gravity of earth in the moon is not given:(

statistics
I need help to understand formula

statistics
A student of the author surveyed her friends and found that among 20 males, 4 smoke and among 30 female friends, 6 smoke. Give two reasons why these results should not be used for a hypothesis test of the claim that the proportions of male smokers and female smokers are equal...

Sociology
In the U.S., which social class has benefitted the most from the tax breaks?

Bio
A biologist measured the amount of DNA in several single diploid cells taken from a culture. He knew that these cells could divide mitotically, but not meiotically. His data is shown below: Cell Number and DNA content in micrograms: Cell 1 (11.1 micrograms) Cell 2 (5.4 ...

culturally diverse
D - In many Native American cultures, language occurs primarily within the context of work and learning important crafts.

culturally diverse
Young children's functional use of language within a work context is often observed in... a. mainstream industrialized societies b. triadic interactions in Mexico-American group c. rural Appalachian Black communities d, Native American cultures

math
Fantasia Florist Shop purchases an order of imported roses with a list price of \$2,375 less trade discounts of 15/20/20. What is the dollar amount of the trade discount? (Points : 2.5)

math
What is the force exerted by a catcher's glove on a 0.15-kg baseball moving at 35 m/s that is stopped in 0.02 s?

math
What is the force exerted by a catcher's glove on a 0.15-kg baseball moving at 35 m/s that is stopped in 0.02 s?

Physics
A man is pulling on a rope with a force of 86 N directed at an angle of 64◦ to the horizontal. What is the x-component of this force? Answer in units of N What is the y-component of this force? Answer in units of N

Physics
Sue and Jenny kick a soccer ball at exactly the same time. Sue’s foot exerts a force of 49.9 N to the north. Jenny’s foot exerts a force of 119.7 N to the east. a) What is the magnitude of the resultant force on the ball? Answer in units of N b) What is the direction...

ALGEBRA HELP
bobpursely can u help me with a question?

algebra 2
thank you so much Reiny your a life saver ;)

algebra 2 help

algebra 2
how do i work it out i don't know how to do it though

algebra 2
simplify the expression -5+i/2i

ece
A preschool child can be designated a reader when he or she: a. writes words b. sounds out a word and is almost correct c. has both phonemic and phonological awareness d. understands and/or acts appropriately when looking at a written word

Literature
ok, thx for the help

Chemistry
Do you think this answer is correct? The nucleus subatomic structure is held together by a strong force. While, it holds three quarks together to make a nucleon it also holds the nucleons together which forms the nucleus. A nucleon could be either a proton or neutron. The ...

Science
What does this word spell in plate tectonics rorpsfgnloadeeasi

math
To find the perimeter, you just have add the length+width+length+width. In this case, the answer will be: 1 250m 80 80 45 + 45 ________ 250

MAth
1:C 2:C 3:D 4:A 5:C 100% correct I promise the answers above are wrong I have no reason to lie to you guys

physics
why and how does the blowing snow charge the fences?

math
how do I use multiplication and the Distributive property to find the quotient of 108/6

math
dave delivered 52 newspapers in all.saturday and sunday.he delivered 8 more newspapers on sunday than on saturday.how many newspapers did dave deliver on sunday.

Math
1.Describe the effects on the graphs y = sin k0(0 is theta) and y = cos k(0 is theta) as the value of k vaires.

thank you.really appreciate it :D