# Posts by axel

Total # Posts: 44

Álgebra
A ribbon measuring (v+4) feet in length was cut into two pieces in the ratio 3:7 What was the length of the longer piece

Physics
Why does the t become unreal when b^2-4ac = 0? I am trying to do this with pq-form to understand, haven't used the quadratic formula.

Physics
A rock is thrown straight up from a cliff which is 38 meter above ground. After 2 seconds the rock is at 21.3 meter above ground. What was the velocity at first when the rock was thrown. Ignore resistent of the air.

Physics
A runner hopes to complete the 10000-m run in less than 30min. After running at constant speed for exactly 27min, there are still 1200m to go. The runner must then accelerate at 0.20m/s^2 for how many seconds in order to achieve the desired time?

Math - Physics
A typhoon moving 165 km/h 300 south of west is caused by two other forces acting in different directions. Find the components of the typhoon’s velocity that is due to the two forces.

Anonymous' answers are correct, I got 12/12 Correct.

American Gov.
Tyler, you're the real MVP. Ms.Sue sucks

American Government
I think it's b is that correct?

MATH
Which quadrilateral has only one pair of parallel sides?

Social Studies
Anonymous is correct.

HELP PLZ WITH HEALTH
You guys are a bunch of children, Ms. Sue is trying to provide the answer without directly giving it away so the student isn't cheating, life isn't gonna give you all the answers, this is school. Learn about it yourself.

Social Studies
Thank Me's correct.

Physics
Microwaves travel at the speed of light, 3.00 × 108 m/s. When the frequency of microwaves is 5.93× 109 Hz, what is their wavelength? Answer in units of m.

health
yep

physics
A baseball is hit and moves initially at an angle of 35.0 to the horizontal ground with a velocity of 25.0 m/s. (a) What are the vertical and horizontal components of the initial velocity? (b) How long will the ball be in the air? (c) What is the range?

physics
You fire a cannon ball from ground level at a speed of 20.0 m/s ∠30.0 Find the time taken for the ball to hit the earth. How far will it land?

physics
A ball rolls off a 1.40 m high table with an initial horizontal speed of 0.600 m/s. How far will it land?

GEOGRAPHY
1. C 2. C 3. A 4. C 5. B 6. A 7. D 8. A 9. B 10. B Just completed the test, :)

Math
The water level (y) in a tank oscillates between 4 feet and 10 feet. It takes 20 seconds for the water level to go from 4 feet to 10 feet and seconds to go from 10 feet to 4 feet. At time(t)=0 seconds, the water level (y) is 10 feet. 1. Write the equation for the depth in the ...

Chemistry
What is the chemical reaction between these chemicals? NH4Cl + Na2SO3 NH4Cl + NaOH Na2SO3 + BaCl2 Na2SO3 + NaOH H2SO4 + BaCl2 BaCl2 + NaOH

math
Yup

Math
Find the sum of the absolute values of all integral values of X that make the following expression prime: (x^2-5x)^2 - 34

Math
Consider the regression through the origin model y = bx Assume that there are n pairs of observations of the response and the explanatory variables, and that these observations are indexed by i. Derive the least-squares estimator for the slope parameter b in this model.

Math
Consider the regression through the origin model y = bx Assume that there are n pairs of observations of the response and the explanatory variables, and that these observations are indexed by i. Derive the least-squares estimator for the slope parameter b in this model.

Science - biology - university
A couple where both the man and woman are albino decided to have children. Remember that albinism is inherited as a rare autosomal recessive trait. To their surprise their first child had normal skin pigmentation. They eventually have two more children and they also have ...

Science
Thank you very much, I don't remember learning it like this but this certainly does help alot and this makes it easier to understand. Once again, thank you

Science
My original question: In a diploid organism with 2n=8, what is the probability that one of its gametes will contain only paternally derived chromosomes (ie, not a mixture of paternal and maternally derived chromosomes)? PsyDAG replied: Since 4 of the 8 are paternal, 4/8 * 3/7...

Science
can you please explain how you got those numbers.

Science
In a diploid organism with 2n=8, what is the probability that one of its gametes will contain only paternally derived chromosomes (ie, not a mixture of paternal and maternally derived chromosomes)?

Science
for number two you gave to calculate the probability of only 3 male offsprings being born and the probability of at least one being black.

Science
Black coat colour in Labrador Retrievers is produced by the dominant B allele. Brown labs are homozygous recessive (bb). Duke, a black male, whose mother was brown, is mated with Shadow, a black female, who in a previous mating with another father produced brown offspring. ...

Science
A light year is the distance it takes a beam of light to travel in a year. The speed of light is 2.99 x 10^8 m/s. Distance from sun to Earth: 150 000 000 Km *remember to change km to m use equation: t=d/v t=150 000 000 000m/2.99 x 10^8 m/s t=501sec = 8.35 min **I rounded the ...

biology - Genetic probability
Black coat colour in Labrador Retrievers is produced by the dominant B allele. Brown labs are homozygous recessive (bb). Duke, a black male, whose mother was brown, is mated with Shadow, a black female, who in a previous mating with another father produced brown offspring. ...

science
1) A - b/c that is like saying, is an arm an organism. 2) B - we are come composed of cells with a 'true' nucleus 3)B - Organisms under the kingdom Prokaryotes do not have a 'true' nucleus, that is to say that there is no nucleus 4)C - Photosynthesis makes ...

physics
A car travels along a highway with a velocity of 24 m/s, west. The car exits the highway and 4.0 s later, its instantaneous velocity is 16 m/s, 45o north of west. What is the magnitude of the average acceleration of the car during the five-second interval?

Hey, I know it's due this tuesday.. If you have other 4 answers then please get back to me at whoismoh at gmail dot com I have this answer.. This way we can share the answers.. Let me know Thanks

Math
For which real values of x do the following vectors form a linearly dependent set in R3? v1= (x, -1/9, -1/9) v2= (-1/9, x, -1/9) v3= (-1/9, -1/9, x)

physics
In the problem, the mass isn't known though, you know that the one car is identical to the other though. i end up getting, 90km/h=M1*V What do I do after that?

physics
Thank you that was bothering me for so long.

physics
The question is: two identical cars hit each other and lock bumpers. If a car moving with a speed of 90km/h appraoches a stationary car, what is the speed immediately after coupling cars.

physics
Hi, i really need help with this question. Two identical cars hit each other and lock bumpers. A car moving with a speed of 90 km/h approaches a stationary car

religion
thanks for the last answer it helped me great would the same site helple to know what he did in Jericho

religion
what happened to jesus in cana