Posts by Jose
Total # Posts: 525

math
Find the equation of the line of best fit for the points (4,10) (1,5)(2,1)(3,6)(5,7) 
Math
23 
Math
so the answer is 47.1 right 
Math
oh ok 
Math
oh so i do half of 15 then multiply 3.14 
Math
So do i multiply 30 by 2? 
Math
"You have to figure it out then she says if your right or not. She can't just give you the answer." Oh okay i understand 
Math
What does the r^2 stand for? 
Math
"I'll be glad to check your answer." What do you mean about that? 
Math
Micah has a new remotely controlled car that has a circular range with a radius of 30 feet. What is the area of the circular range? 
Chemsitry
A student reacts 0.506 grams of aluminum with excess KOH and H2O according to reaction one from the lab manual. 2Al + 2KOH +6H2O > 2K[Al(OH)4]+3H2 Enter your answers in numerical format. How many moles of aluminum was reacted? How many moles of K[Al(OH)4... 
Chem 1C
the hydrolysis of sucrose is a part of the digestive process. to investigate how strongly the rate depends on our body temperature, calculate the rate constant for they hydrolysis of sucrose at 35C given that k=1.0 mL/(mol*s) at 37C and that the Ea=108 kJ/mol 
Statistics
Suppose that grade point averages of undergraduate students at one university have a bellshaped distribution with a mean of 2.62 and a standard deviation of 0.43. Using the empirical rule, what percentage of the students have grade point averages that are at least 3.48? ... 
Math
What is the work for the problem 61,125 divided by125 
math test help
So what are the answers? 
math seriously help me
Sally graphs the geometric sequence an = 2(3)n  1 on a coordinate plane where she plots an on the yaxis and n on the xaxis. This graph is the same as the graph of which type of function? A) cubic B) linear <my answer C) quadratic D) exponential 
math
Sally graphs the geometric sequence an = 2(3)n  1 on a coordinate plane where she plots an on the yaxis and n on the xaxis. This graph is the same as the graph of which type of function? A) cubic B) linear <my answer C) quadratic D) exponential 
Psychology
Psychology 
Finance
I don know 
algebra
find the periodic payments necessary to accumulate the amount given in a sinking fund. Assume end of period deposits and compounding at the same intervals as deposits. $70,000 in a fund 7% per year, monthly payments for 5 years Thank you your time is appreciated ! 
Stoichiometry
C3H5+5O23CO2+4H2O 
Geometry
At a campground, a rectangular fire pit is 5 feet by 4 feet. What is the area of the largest circular fire that can be made in this fire pit? Use 3.14 for ?. Round to the nearest square inch. 
AP CHEM
I think it is 6 
Math
On friday,a cold front came through the city at 8am that dropped the outside temperature at an average rate of 2 degrees every half hour. Which integer represents the change in temperature from 8am to 11am 
math
So it would be 5s+15s+5s=575? 
math
Two cars leave Kansas City at the same time. One car is moving east and the other west. After 5 hours, the cars are 575 miles apart. One car is traveling 15 miles per hour faster than the other. Let S = the speed of the slower car and F = the speed of the faster car. If one ... 
mathcircles
The area of two circles are in a ratio of 4:9. If both radii are integers, and r(1)  r(2) = 2, what is the radius of the larger circle? 
math
In pallelogram, ABCD, E is the midpoint of DC, AE intersecs BD at point O, the area of triangle DOE is 12cm^2, what is the area of triangle AOB? 
triangles
In triangle ABC, AB = 12, AC= 9, D is a point on AC, AD = 3. E is a point on AB, so that triangle ADE is similar to ABC, what is the length of AE? (two different answers) 
math
two concentric circle with the ratio of radii as 2:3, what is the ratio of the area? thanks 
Math.
two concentric circle with the ratio of radii as 2:3, what is the ratio of the circumferences 
Language Arts
B A C and i got 100% 
Language Arts
Homework help is right I got a 100% 
ELA
Thanks @Girl got all the answers got a 100% 
Math
A marine surveyor uses a rangefinder and a compass to locate a ship and an island in the vicinity of the coast on which she stands. The rangefinder indicates that the island is 379 ft from her position and the ship is 600 ft from her position. Using the compass, she ... 
math
how many squares are there in a 3x3 geoboard? how many rectangles? 
financial math
Rate: 7% Payments: 360 @ $665.31 Total Interest: $139,511.60 How much will be repaid for this loan? $ 239,511.60239,502.40100,000.00 What percentage of this total is total interest? 60.256.258.2 What will be the average amount per payment for interest? $ 387.53385.51387.51 
College Algebra
Scott, thanks man! 
College Algebra
Find the formula for the EXPONENTIAL FUNCTION that satsifies the given conditions. f(0)=8 and f(1)=2.4 f(x)=_____ 
Social studies
What were protestants want to true friend and elation church called 
math
Irrational Perimeter and a Rational Area of a rectangle. a can = b can = Or, if it's impossible, explain how. Help me I'm confused. 
math
can you explain to me what you mean when you said you need "b" in the middle? thanks 
math
The length of three line segments are a,b, and c respectively, and a=2/3b c=3/2b then a : c = ? 
math
You are a genius! 15 is the last one. 
math
Mistaken, I did 30 + 105 and thought it was 145 :P thanks for your help though. 
math
That would be 145 degrees. 11 combinations in total! Thanks for your help Reiny, I appreciate it. 
math
using two triangle rulers with angles of (30, 60, 90) and (45 , 45, 90) how many angles less than 180 degrees can be drawn? 
math
Two angles are complementary to each other, if the ratio of the two angles is 3:2, then what is the difference of measures in degree of these two angles? please explain :( 
maths
Find the measure of an angle with measure three times the measure of its supplement. 
math
Find the measure of an angle with measure 8 less than the measure of its complement 
math
The solution of x for equation a (bx  c) = d  (x + e) (a > 0 and b > 0) the answer is x = ac + d  e/ab + 1 How? 
math
Find the experimental probability. Sheila drew single marbles from a bag, recorded the outcome, and replaced the marble. In 50 draws, Sheila drew 20 white marbles and 30 black marbles. What is the experimental probability that the next marble will be black? A.2/5 B.3/5 C.2/3 D... 
math
45.8 
english
In the United States, cell phones are a very popular item. What are all VERBS both "Action" and "Be." 
science
A ball of mass 0.5 kg is released from rest at a height of 30 m. How fast is it going when it hits the ground? 
Chemistry
How many grams of perchloric acid are dissolved into 3.86 L of water, if the pH of the solution is 4.03. 
please help
Two point charges are fixed on the y axis: a negative point charge q1 = 34 μC at y1 = +0.19 m and a positive point charge q2 at y2 = +0.32 m. A third point charge q = +8.9 μC is fixed at the origin. The net electrostatic force exerted on the charge q by the other ... 
Health
hahaha from behind? lmao 
volume
336 
physics
Argon is a monatomic gas whose atomic mass is 39.9 u. The temperature of eight grams of argon is raised by 95 K under conditions of constant pressure. Assuming that argon behaves as an ideal gas, how much heat is required? 
physics
A mass m = 0.068 kg of benzene vapor (Lv = 3.94x105 J/kg) at its boiling point of 80.1°C is to be condensed by mixing with water at 45.0°C. What is the minimum mass of water required to condense all of the benzene vapor? Assume the mixing and condensation take place is... 
math
How can you write an equation of two test scores 97 and 88 
math
Given: 1 post=2 Yards Therefore, Dimensions are: Width= 4 Posts Length= 8 Posts Let p=post Width= 4p Length= 8p Since p=2yards, Width= 4(2 yards)= 8 Yards Length= 8(2 yards) 16 Yards 
Math
Convert the fraction 4/5 to a fraction that is more flexible to work with: (14/5)=(5/5)(4/5) (5/5)(4/5)=1/5 Eating half of one fifth: Again, convert the fraction into something that is more flexible to work with. Here, the best thing to do is to make the numerator even. You... 
Math
No my teacher didn't teach us this just gave it to us for homework 
Math
Marisa says that reflecting a point across the x axis and then reflecting its image across the yaxis will produce the same final image as just reflecting the original point across the line y equals x is this true? 
Math
The smallest package weighed only 1/3 more than 1/2 the weight of the heaviest package. If the two packages combined weighed 100 kilograms, how much did the smaller package weigh? 
math
The answer is yes because the probability of the red pen is 25 percent(1/4). The percentage of the not red is 75 percent(3/4). The probability of the black pen is 75 percent(3/4). The probability of the not black is 25 percent(1/4). If you add these together you get 1, which ... 
Physics
How much work does a 50 kg student to climb 3 meters high stairs 
Health
Thanks yeilinn got a 100% 
physics
As shown in the diagram, a bullet of mass 7.0 g strikes a block of wood of mass 2.1 kg. The block of wood is suspended by a string of length 2.0 m, forming a pendulum. The bullet lodges in the wood, and together they swing upward a distance of 0.40 m from the original position... 
Calculus
I am standing on the roof of a building with a pea shooter, and I shoot a pea up into the air from a height of 80 feet. The pea reaches its maximum height 2 seconds after I shoot, then falls to the ground. Give the position of the pea as a function of time 
Statistics
I have gotten the concept of probability but the following question has really stumped me. Help please. The probability that a tomato seed will germinate is 0.9. Estimate the probability that of 100 randomly selected seeds, at least 86, but no more than 91 of them will ... 
health
Thanks JDog got a 100% 
math
there are 5 pounds of apples in one bag. Make a table to show how many pounds of apples are in 6 bags 
math
To date, Jay Ward has xumulative earnings of $ 107,600. This week he is paid $3,000. What is the total amount of Social Security tax for this week? Assume a rate of 6.2% on $110,100 for Social Security and 1.45% for Medicare. 
Finance
Need Solution problem Nealon Manufacturing Company 
Social Studies
thanks @skullcrusher95 got a 100% 
Match
Describe two ways you could evaluate 37% of the sum of 27 3/5 and 15.9. Tell which method you would use and why. 
Match
Describe two ways you could evaluate 37% of the sum of 27 3/5 and 15.9. Tell which method you would use and why. * 
trig
Find the component form of v and sketch the specified vector operations geometrically, where u = 4i − j, and w = i + 5j. v = −u + w v = ( , ) 
REALLY NEED HELP
The price of a necklace is $15.99. if the salesperson earns 9% commission on their sales, how much commission is earned on the sale of the necklace 
Ela
Don't know how to make them plural or singular possessive or plural possessive 
Ela
Write each phrase below to make it a plural or singular possessive or plural possessive.the backpacks belonging to the girls,the covers of the bookd 
Chemistry
Calculate the pH of each solution given the following or values: a. [H3O+] = 1 * 108M b. [H3O+] = 5 * 106M c. [OH] = 4 * 102M d. [OH] = 8 * 103M e. [H3O+] = 4.7 * 102M f. [OH] = 3.9 * 106M 
chem
Please give the complete mechanism for the acid catalyzed addition of methanol to 3  methylbutene 
physics
A ball is projected upward at time t = 0 s, from a point on a flat roof 10 m above the ground. The ball rises and then falls with insignificant air resistance, missing the roof, and strikes the ground. The initial velocity of the ball is Consider all quantities as positive in ... 
physic
Between the orbits of Mars and Jupiter, several thousand small objects called asteroids move in nearly circular orbits around the Sun. Consider an asteroid that is spherically shaped with radius r and density 3000 kg/m3 . You find yourself on the surface of this asteroid and ... 
ELA Reading
Lin is right I got a 100% 
Math
x/(x+1)  2/(x1)= 1 I have been trying to solve it but I do not know the steps to solve it. 
Chemistry
Can I know the molarity of acid rain? 
science
In the cabin of a jetliner that cruises at 600km/h, a pillow from an overhead rack falls into your lap below since the jetliner is moving so fast, why doesn't the pillow slam into the rear of the compartment when it drops? What is the horizontal speed of the pillow ... 
Math
144x+21x squared?? 
algebra
whats the difference between a 16 ounce brick and a carpenter? 
Lanuage Arts
FAGGOT 
Math
How to find the perimeter of a 10 step staircase 
geology
1950 + 979 = 2929 1950 + 1843 = 3793 
ss
Sb is dumb 
math
Renee is a sales associate at a store. She earns $80 a week plus a 15% commission on her sales. Last week, she sold $200 worth of items. What is the total amount Renee earned for the week? How much did she earn from commission? 
math
Two months ago, the mean daily rainfall in a local city was 9.4 cm. The mean absolute deviation was 3.5 cm. Last month, the mean daily rainfall in that city was 11.5 cm, and the mean absolute deviation was 1.6 cm. Which statement about the rainfall is true