Thursday
July 24, 2014

Posts by yesenia


Total # Posts: 26

math
Susan’s test scores are 93, 85, 88, and 90. What does she need to score on the next test to raise her average to 90?

math
39% of 19

earth
The capital letter(s) that label a rock unit (e.g., KJk) on a geologic map represents the rock unit's

physical science
push a box across a tablewith a force of 5 newtons and the box moves 0.5 meters. how much work is been accomplished?

life skills
It is important to make sure that any person selling you a car has? A. physical possession of the vehicle. B. informed the motor vehicles department of the intention to sell the vehicle. C. legal title to the vehicle. D. a good reputation for honesty.

6TH GRADE MATH HELP!!!
what is the mat method?

Math
The ratio of the weight of Philipe's gerbil to the weight of Dana's gerbil is 4:7. When both gerbils are placed on a scale, the scale reads 99 ounces. how much does Dana's gerbil weigh?

physics
A batted baseball leaves the bat at an angle of 35.0 degrees above the horizontal and is caught by an outfielder 370 ft. from home plate at the same height from which it left the bat.

WRITING
its okay

statistics
The Survey of Study Habits and Attitudes (SSHA) is a psychological test that measures students' study habits and attitudes toward school. Scores range from 0 to 200. The mean score for college students is about 115.8, and the standard deviation is about 32.9. A teacher sus...

statistics
How heavy a load (pounds) is needed to pull apart pieces of Douglas fir 4 inches long and 1.5 inches square? Here are data from students doing a laboratory exercise: 22565 28373 25826 26468 27508 23401 24998 32436 25405 29235 29679 33661 27775 28517 30371 27793 32527 32748 260...

Statistics
The Survey of Study Habits and Attitudes (SSHA) is a psychological test that measures students' study habits and attitudes toward school. Scores range from 0 to 200. The mean score for college students is about 119, and the standard deviation is about 27.8. A teacher suspe...

chemistry
the answer in the back of the book says 37.56 KJ

chemistry
what is the delta u when 1.00mol of liquid water vaporizes @ 100C? The heat of the vaporization, delta h, of water @ 100C is 40.66kj/mol

physics
A ray of light passes from air into water. The incident angle is 30o. Find the index of refraction of water if the angle of refraction is 22o. Ans. 1.333

algebra
How do i solve 3x+(2x-5)= 13-2(x+2)

Chemistry
A reaction of the form aA-----products is second-order with a rate constant of 0.225 L/(mol/s). If the initial concentration of A is 0.293 mol/L, what is the molar concentration of A after 35.6 secs?

College Chem II
.0032

8th grade
900cm

MULtiplying Binomials
WHATS (3N+2)(N+3)

algbrea
a triangle has a perimeter of 23 in. the medium side is 3in more then the shortest side and the longest is twice the shortest side fine the shortest side?

ALGEBRA 1
what is 2(x+1)+2=3x-4

science
i want to know what is the cause of lack of oxygen in blood.

biology
when a black angus has ofspring that come out brown or just spotted brown..what is the cause of it?

science
I am suppose to write different examples of plasma, liquid, gas ,and solid and so far I got that water is a liquid and I put you can change the volume or the shape.

Multiplying Binomials
WHATS (3N=2)(N+3)

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