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Cassandra

Questions and answers by visitors named Cassandra

Questions (104)

How did the Aztecs apply their engineering skills to the challenges of living on an island?
1. 28 answers
2. 6,271 views
the lengths of the legs of a right triangle are given:a=10 b=24 c=____? Thank you so much
1. 9 answers
2. 1,536 views
heat of combustion of propane c3h8, 2220KJ/mol. the specific heat of copper is 0.385 J/g*C. How many grams of propane must be
1. 5 answers
2. 4,452 views
At Franklin School 3/8 of the students take a bus to school, 3/5 walk and the rest bike. There are 20 students who bike to
1. 3 answers
2. 1,207 views
In a particular redox reaction, NOis oxidized to NO−3 and Ag+ is reduced to Ag . Complete and balance the equation for this
1. 1 answer
2. 134 views
clement is to clemency asA. agitate is to agitation B. governor is to prisoner C. nice is to kind Note the meanings and the
1. 1 answer
2. 654 views
chef is to kitchen asA.blacksmith is to foundry B.teacher is to education C.pilot is to airplane A chef works in a kitchen and
1. 2 answers
2. 623 views
I need help with an IB Math Internal Assessment on Matrix Powers.
1. 9 answers
2. 477 views
Consider the matrices P =3 1 1 3 and S = 4 2 2 4 Calculate P^n and S^n for different values of n and describe any patterns you
1. 5 answers
2. 407 views
Describe how the muscles work to support breathing.
1. 3 answers
2. 562 views
I have to know what recommendations concerning starch in our diet, and the chemistry of starch as well. Please help?
1. 3 answers
2. 448 views
Does anyone know what our daily percentage of carbs is? And how many grams of starch we need in our daily diets? Please help.
1. 4 answers
2. 354 views
What is 7 times x over 2?7(x/2-2)
1. 1 answer
2. 311 views
how do lithospheric plates lead to evolution and species?
1. 1 answer
2. 294 views
How do lithospheric plates lead to evolution and species? Please help me.
1. 1 answer
2. 222 views
Can somebody please help me with my power point presentation? I don't understand. My topic is full-line beauty supply store. I
1. 2 answers
2. 680 views
A model rocket blasts off and moves upward with an acceleration of 12 m/s^2 until it reaches a height of 28 m , at which point
1. 3 answers
2. 2,448 views
A projectile is launched from ground level to the top of a cliff which is 195m away and 135m high. If the projectile lands on
1. 4 answers
2. 1,978 views
List 10 things a new high school student can do to be more organized.I have 1. Keep a planner 2. Don't procrastinate on your
1. 2 answers
2. 558 views
I am failing French. Would someone look over my french homework and make sure it is correct. Thank you!!!Put the following
1. 5 answers
2. 584 views
Could someone read over this paragraph and tell me if it is correct? Thank you!!!!Ecrivez un paragraphe de 8-10 phrases pour
1. 2 answers
2. 611 views
Could someone read over this paragraph and tell me if it is correct? Thank you!!!!Ecrivez un paragraphe de 8-10 phrases pour
1. 7 answers
2. 592 views
Can someone help me with this question please??10. When setting guidelines or rules for children and then enforcing them, the
1. 3 answers
2. 568 views
Use FTC to evaluate a definite integral with basic integrand--(integral) bottom number 0, top #2 (4x^3+1)dx=
1. 3 answers
2. 565 views
pronoun antecedent agreementhow can you rephrase this sentences into a more meaningful one. I really need this. Thank you for
1. 3 answers
2. 523 views
What does je dois aerer pour vivre mean?
1. 3 answers
2. 436 views
I really need help on this journal activity. In this assignment, you are to take each of the purposes form a more perfect union,
1. 2 answers
2. 593 views
What mass of potassium oxide is produced by the oxidation of 5 grams of potassium?
1. 2 answers
2. 501 views
HCR23
1. 2 answers
2. 527 views
in a right triangle if the adjacent A = 16, and the hypotenuse C = 20 then what is the oppisite B.
1. 6 answers
2. 337 views
when and how does Germany unite?What are the causes and consequences of the rebellions 1837-36 upper and lower canada? What are
1. 1 answer
2. 358 views
When an element reacts with a compound to produce another element and new compound, the reaction is called?
1. 2 answers
2. 658 views
4.Type the appositive(s) in each sentence. You do not need to include the commas.The famous basketball player Michael Jordan was
1. 5 answers
2. 1,126 views
Find the area of the parallelogram that has coordinates of A(-2,2), B(-4,-2), C(2,-2), and D(4,2).Find the base and height
1. 1 answer
2. 384 views
Each year, approximately 160 colleges compete in the National Concrete Canoe Competition. Each team must design a seaworthy
1. 1 answer
2. 371 views
Given: The initial position of the block is the origin; i.e., x = 0 at t = 0 . Consider down the track to be the positive
1. 5 answers
2. 2,256 views
what is the net ionic equation for:Mn+Ni(NO3)2 -> Mn(NO3)2+Ni Is the answer no reaction or is Nickel considered a state change??
1. 3 answers
2. 1,413 views
An object is thrown upwards and after 2 seconds is 78 m above where it was initially thrown. Assume no air resistance, and
1. 1 answer
2. 908 views
Calculate [ClO^-] in a 6% bleach solution. A 6% bleach solution contains 6 grams of NaClO per 100 grams bleach. The density of
1. 3 answers
2. 623 views
Calculate [ClO^-] in a 6% bleach solution. A 6% bleach solution contains 6 grams of NaClO per 100 grams bleach. The density of
1. 4 answers
2. 2,051 views
Then calculate the inital ClO^- concencentrations for 1st, 2nd, and 3rd reactions.Calculate [ClO^-] in a 6% bleach solution. A
1. 1 answer
2. 491 views
The large blade of a helicopter is rotating in a horizontal circle. The length of the blade is 6.60 m, measured from its tip to
1. 2 answers
2. 581 views
A student has 100.0 mL of an unknown solution of Vitamin C. She removes 1.00 mL of this solution, dilutes it to 50.0 mL, and
1. 11 answers
2. 767 views
A student has 100.0 mL of an unknown solution of Vitamin C. She removes 1.00 mL of this solution, dilutes it to 50.0 mL, and
1. 1 answer
2. 467 views
$1200 at 6% for 36 months
1. 6 answers
2. 399 views
thomas borrowed $4800 to buy a new car. he will be paying $96 each month for the next 60 months. find the simple interest rate
1. 4 answers
2. 1,624 views
Tris is an abbreviation for tris (hydroxymethyl) aminomethane, which is a weak base. Calculate how many grams of tris
1. 4 answers
2. 1,183 views
State how the centripetal force is provided in the case of a satelite orbiting the earth
1. 1 answer
2. 386 views
The Pew Research Center recently polled n= 1048 U.S drivers andfound that 69% enjoyed driving their automobiles.(a) Construct a
1. 3 answers
2. 1,357 views
A rule of thumb states that the ideal weight (in ounces) of a baseball bat for a high school player is 5 ounces more than one
1. 5 answers
2. 893 views
To survive in different areas, native people had to learn to?
1. 4 answers
2. 446 views
Ground beef sells for $4.75 per kg and ground pork sells for $5.50 per kg. How many kg of ground pork should be mixed with 8 kg
1. 3 answers
2. 764 views
Factoring Polynomials:2x to the second power -3x-2 could you please explain to me how to do this.
1. 3 answers
2. 597 views
Political factionalism in the U.S. during the 19th century was fueled by the emergence of a unique American culture and the
1. 2 answers
2. 606 views
How many moles of H2O are in 3.00L of water? (d=1.00g/mL)
1. 4 answers
2. 2,266 views
A flat loop of wire consisting of a single turn of cross-sectional area 8.10 cm2 is perpendicular to a magnetic field that
1. 1 answer
2. 426 views
A 19 turn circular coil of wire has diameter 1.09 m. It is placed with its axis along the direction of the Earth's magnetic
1. 2 answers
2. 550 views
a) What is the maximum current in a 4.00 µF capacitor when it is connected across a North American electrical outlet having
1. 3 answers
2. 1,063 views
The length of the sides of a triangle are given as 8, 15, 17. The hypotenuse is the side that is the length of ____?
1. 4 answers
2. 332 views
Find the area and the circumference of a circle of radius 4 meters.Thank you
1. 2 answers
2. 534 views
Please, I need your help!How much water must be evaporated from 16oz of a 2% salt solution to make a 4% salt solution?
1. 4 answers
2. 742 views
Which statement describes the quadratic equation 6x^2-4x+1=0,correctly?A. it is one completed real root? B. It is two complete
1. 4 answers
2. 683 views
Help meThe product of 4 and y is the sum of 3 and 9
1. 3 answers
2. 315 views
This is my last question, I promise!Use U={1,2,3,4,5,6,7,8,9,10} A={2,3,5} B={5,6,7,9} C={1,4,10} to find the set AUB You guys
1. 1 answer
2. 449 views
A and B agree to share the cost of an $18 pizza based on how much each would eat. B ate 3/2 of the pizza that A ate. How much
1. 4 answers
2. 1,500 views
. In the keyword search on EDSeek's Home Page, enter the following statement: NASA* AND Mars*.Based on the results from this
1. 2 answers
2. 492 views
Carbonate is commonly used to buffer household detergent solutions to a pH of 9.0. How many grams on NaHCO3 and how many grans
1. 1 answer
2. 455 views
Given a circle with an 8" radius, find the area of the smaller segment whose chord is 8" long? I don't even understand how to
1. 4 answers
2. 3,737 views
Write an equation of a line that passes through the point (8,2) that is (a) parallel and (b) perpendicular to the graph of the
1. 3 answers
2. 820 views
the breakdown of food by enzymes. What is the word that goes with this definition?
1. 1 answer
2. 398 views
the release of waste into the enviroment. i need the word to this definition.
1. 4 answers
2. 396 views
the manufacturer of carbohydrates, fats, and proteins. whats the word to this definition?
1. 2 answers
2. 542 views
phase in photosynthesis during which the energy in sunlight is trapped and converted into ATP and NADPHI need the term for this
1. 1 answer
2. 412 views
The line that passes through (4,3r) and (2+r,-6) is perpendicular to the line with equation 5x+3y+12=0. find r.
1. 1 answer
2. 401 views
Please help me with this questionHow much work is done by a boy of mass 70kg who ran up a flight of 31steps each15m high. Take
1. 1 answer
2. 472 views
Hi, can you help me with this question:"you have 25.00 mL of a 0.1000 M sugar solution. How much water must be added to make a
1. 5 answers
2. 2,975 views
I'm confused on number 6 on the take home test. in this problem are we going to use the heat capacity of calorimeter is
1. 3 answers
2. 605 views
A 0.3423 g sample of pentane, C5H12, was burned in a bomb calorimeter. The temperature of the calorimeterand the 1.000 kg of
1. 4 answers
2. 3,139 views
Hi, can you help with how to solve this equation?50.0 gram sample of NaCl is added to water to create a 0.50 L solution. What
1. 4 answers
2. 1,068 views
Can you help with this equation? Have to solve for the indicated variable:For x: With equation y = x + 1/x - 1; in case it
1. 1 answer
2. 403 views
Can you help please on the following question:"The sum of the lengths of the legs of a right triangle is 8 feet. If the length
1. 5 answers
2. 665 views
Question asks to solve for x with equation:x = 3(r + ty) Please help with how to solve? Thank you.
1. 3 answers
2. 408 views
Whoever can help with a question I posted earlier. I am very sorry; I put the wrong variable in the question.Question is to
1. 3 answers
2. 601 views
Can you please help with correct format for the following?: re: d = rt equationA boat traveled 40 miles down a river in 2 1/2
1. 1 answer
2. 456 views
Can you please help with this geometry question.An open box is formed from a square piece of material by cutting 2-in squares
1. 2 answers
2. 523 views
Please help with trying to solve the following; in particular how to get the correct equation set up.The perimeter of a square
1. 4 answers
2. 439 views
Can you please help with this trig question:The angle of elevation to the top of a nearby mountain is 46 degrees. After walking
1. 2 answers
2. 674 views
Please help with this question:A plane travels a distance of 140 km due west of Vancouver International Airport. It then travels
1. 2 answers
2. 664 views
Hi, I have this question related to Molarity and hoping you can help?The question says: 50.0 gram sample of NaCl is added to
1. 2 answers
2. 616 views
Please help with the solution:Question asks: A solution has [OH-] = 2.0 X 10 negative ^14. The [H-] in this solution is 2.0 x 10
1. 1 answer
2. 323 views
Sorry, I did make an error when I posted the earlier question:It should have said: A solution has [OH-] = 2.0 x 10-^14 M. The
1. 2 answers
2. 511 views
Assume that Earth’s magnetic field is every- where perpendicular to the path of a proton and that Earth’s magnetic field has
1. 2 answers
2. 619 views
In striving to meet the 2010 Dietary Guidelines for Americans, one should consume more of certain foods and nutrients such as
1. 2 answers
2. 573 views
I need help with what to put for my answer to this question, please don't link me to a site.How did the Mexican-American war
1. 3 answers
2. 785 views
A recessive lethal gene in chickens causes circulatory failure and death of the embryo at 70 hours.A commercial hatchery finds
1. 4 answers
2. 1,136 views
Hi could you help me with this problem as well?The alleles for red and white coat color in cattle show absence of dominance, the
1. 2 answers
2. 537 views
What process is being described"-the manufacture of carbohydrates, fats, and proteins -the taking in of water, food, and ions I
1. 1 answer
2. 464 views
Where are the answers
1. 1 answer
2. 301 views
If3 x − y = 12 , what is the value of 8 x 2 y ? A) ** 2 12 B) 4 4 C) 8 2 D) The value cannot be determined from the
1. 1 answer
2. 336 views
Which of the following distinguishes living things from nonliving things.A. living things are made up of cells nonliving things
1. 4 answers
2. 1,949 views

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