# Posts by Karissa

Total # Posts: 29

1.B,C 2.D 3.D 100%??

Social studies

Science
Compute the wavelength of an X-ray with a frequency of 6.0 1018 Hz.

Physics
mike is skiing downhill at a 25 degree angle. if his weight is 350N assuming there is no friction what is his acceleration

Heath/Wellness
I need help answering this question in which the sports that i have been involved in

MATHEMATICS
3 CUPS OF CHOCOLATE MIX MAKE 18 CAKES OF THE SAME SIZE HOW MANY CUPS OF CHOCOLATE MIX WOULD YOU NEED TO MAKE 72 SIMILAR CAKES

English
In the third scaffold scene of The Scarlet Letter, it is said that Dimmesdale regains his soul, Pearl gains humanity, Chillingworth loses his victim, and Hester loses her dreams. Can you please explain how the events take place in depth?

social studies
Suppose you wanted to make government more capable of acting to solve the pressing problems of the country. Which would you favor? Why? a. Allow individuals to be appointed to the president’s Cabinet while still serving in Congress. b. Allow the president to dissolve ...

math
26x9x9x9x9x9

orchestra
ean fortidd

physics
sixteen times larger

math
(x + 5) -2(4x -1)=0

Oceanography/ Chem
-What are the products and reactants of chemosynthesis -What substance cam be measured in the water to estimate the amount of primary production?

Algebra
147 boys, 210 girls

Math
If I have ((square root of 13)+(6))^2 would it be factored as -((square root of 13)+(6))((square root of 13)-(6)) or -((square root of 13)+(6))((square root of 13)+(6)) ?

math
I'm not sure how to divide rational expressions: ((1/x+1)+(1/x+2))/((1/x+2)+(1/(x+3)) -I got ((2x+3)(x^2+5x+6)/(2x+5)(x^2+3x+2) but it was wrong? Please help!

pre calc
That is what I tried but it said I was wrong?

pre calc
f(x)={8 x + 9}/(2 x + 7)(8 x + 6) -Find the x and y intercepts. -How would I go about finding the x and y intercepts in problems like this?

pre calc
Express the function f(x)=1/(x-2)in the form g of h if h(x)=x-2. Find the function g(x). g(x)=?

pre calc
Simplify- (x^2+2x)/(x^2-x) *I got x(x+2) for the numerator and I couldn't get the denominator, but it was wrong help please

pre calc
(1/x^2-49)/(1/x+7)?

history
I am doing a "report" on the gas Chambers in Auschwitz during WWII. I am trying to figure out more about how long it took for the prisoners to learn the truth of the gas chambers but I cant find anything help please?

chemistry

chemistry
What [I-] should be maintained in KI(aq) to produce a solubility of 1.4×10−5 mol PbI2/L when PbI2 is added? Ksp of PbI2 = 7.1 x 10^-9 PbI2 <-> Pb + 2I i: - (1.4x10^-5) 2(1.4x10^-5) c: - +x " I solved for x. Ksp = [Pb][I]^2 (7.1x10^-9) = (1.4x10^-5 + x)((...

Chemistry
you used 10 pennies to find the average atomic mass.... why did you do this, why not just find the mass of one penny?

Child Development
Sociocultural differences in growth and development make it imperative to: 1. encourage all children to master the same things 2. compare children 3. adapt to individual capabilities 4. ignore differences Would the answer be 2 or 3? The better answer is 3. Not all kids are ...

Child Development Question
Negative behaviors by toddlers which tax the patience of adults may be a sign of which? A. HAVING BEEN SPOILED B. INSECURITY AND FEAR OF FAILURE C. An EMERGING SENSE OF AUTONOMY D. HOSTILITY TO PARENTS AND CAREGIVERS I am thinking (D)hostility to parents and caregivers is the ...

Need Homework Help
In the space provided, write a paragraph of cause and effect. You may use one of the topics below or one of your own choosing. Mention at least three causes and their three effects. - friendship as a two-way street - television and preschoolers - vitamin deficiency in ...