Questions and answers by

A.

Questions (35)

How much SrCl2 is needed to make 100ml of 2.0 molar SrCl2 solution?
1. 2 answers
2. 606 views
Is Atlantic spadefish Nocturnal or Diurnal?Carnivore, Herbivore, Autotroph? Is Porcupine fish Carnivore, Herbivore, Autotroph?
1. 3 answers
2. 618 views
Feudal Japan and Inca empireAre these civilizations more similar or different? Please answer mee
1. 1 answer
2. 768 views
How does DNA encode the characteristics of an organism?
1. 0 answers
2. 525 views
Can you give me a example of Natural Selection?
1. 1 answer
2. 1,536 views
Why the graph of quadradic fanctions is curvy instead of more pointy??
1. 1 answer
2. 379 views
What does it mean to say that mutations are random?
1. 1 answer
2. 622 views
Each of the following sentences containsan error in subject and verb agreement. Rewrite each sentence correctly. 1. Scalloped
1. 2 answers
2. 1,115 views
1.if g=5 and k=1, evaluate 9+gka. 13 b. 14 c. 15 d. 16 2.Evaluate a-b^2/b if a = 10 and b = 2. a. 1 b. 3 c. 8 d. 32 3.Evaluate
1. 11 answers
2. 5,370 views
What were the long-term consequences of the French and Indian War for British relations with the Native American tribes in the
1. 0 answers
2. 3,745 views
A scientist studying the effects of gamma rays on marigolds gathered the data shown below.Hypothesis: Marigolds exposed to
1. 1 answer
2. 1,307 views
1. Of the following who emerged as a strong leader and organizer of colonial protests and public support?a. Crispus Attucks b.
1. 73 answers
2. 25,492 views
When a black rabbit and white rabbit produce a SPOTTED offspring it is called _______
1. 0 answers
2. 580 views
When a black rabbit and white rabbit produce gray offspring it is called _______
1. 3 answers
2. 661 views
If you have DNA you have to change it to what
1. 0 answers
2. 352 views
What gives you your amino acid chain, DNA or RNA?
1. 0 answers
2. 394 views
Sex linked traits are usually carried by male or female?
1. 3 answers
2. 617 views
What makes all living things differentWhat makes up the code for all humans DNA
1. 1 answer
2. 507 views
What is the primate city of the US?I read my textbook and the part that talks about primate cities onlly says Many former
1. 6 answers
2. 765 views
How do I find the value of the mean, when I am only given the std dev of a normal distribution and a percentage of values
1. 1 answer
2. 696 views
An electromagnetic calorimeter made of Pb that has inside a Co-60 source with the activity 4 Ci.The two gamma rays emmited have
1. 0 answers
2. 416 views
How do you find the derivative of f(x)=sin2x/cos2x
1. 1 answer
2. 801 views
What mass of precipitate is formed when 0.50 L of 2.50 mol/L aqueous CaCl2 with 1100 mL of 3.50 mol/L aqueous silver nitrate?
1. 0 answers
2. 490 views
Consider a curve lying on the cylinder x^2 + y^2 = 1 and given by the vector function r(t) = (cost,sin t, t^2), for t ≥ 0.Find
1. 0 answers
2. 507 views
I'm doing a bunch of practice finals and I don't know how to approach this problem.Find a vector a such that a is orthogonal to
1. 4 answers
2. 520 views
Expand f(x)=ln (1+x/1-x) in a Taylor Series about x=0. You must express your answer using summation notation.---This is what I
1. 1 answer
2. 595 views
Determine the percent by mass of water in your sample of hydrated copper (II) sulfate.Mass of water = 0.95 g Mass of anhydrous
1. 1 answer
2. 977 views
How many moles of compound are in 1.55 x 10^3 Kg of carbon tetrafluoride, CF4
1. 1 answer
2. 420 views
Potassium iodide is prepared by the reaction of hydroiodic acid and potassium hydrogen carbonate. water and carbon dioxide are
1. 1 answer
2. 1,278 views
True or false?Vegetable oil is superseding gasoline for fueling cars in Europe. True?
1. 1 answer
2. 577 views
Solve: xy=12y=2x+2 Are the solutions x= -3, x=2, y= -4, y= 6?
1. 3 answers
2. 489 views
Given the roots, 1/2 and 4, find:(A) The quadratic equation 2x^2-9x+4 ? (B) The sum of the roots 4 1/2, or 9/2 (C) The product
1. 2 answers
2. 1,381 views
In my 5-paragraph essay, I say "my goal of becoming a doctor" or "to become a doctor" at least 4 times. What can I say instead
1. 2 answers
2. 1,263 views
How do I graph a linear equation?
1. 2 answers
2. 487 views
how do oxygen, and hydrogen combine
1. 2 answers
2. 380 views