# Posts by kaitlyn

Total # Posts: 313

Science
thermal energy is cause by the motion of ?

math
write the equation in slope-intercept form. What are the slope and y-intercept? -12x+13y=-10

Math
How to solve 0.67 x 0.3?

Math
4(x+2)

Physics
A Frisbee gets stuck in the top of a tree, 60 meters above the ground. What is the smallest initial velocity you could throw a ball to reach the Frisbee and dislodge it? A. 48.5 m/s from an angle of 45 degrees above the horizontal B.48.5 m/s from directly underneath the ball C...

Algebra
DFW is 180 miles from Abilene. At the same time, one car leaves Abilene traveling to DFW at a speed of 60 mph while a second car leaves DFW traveling to Abilene at a speed of 70mph. How long will it take the two cars to meet?

Algebra
Two cars are driving from Abilene to DFW. The first car travels at 60 miles per hour it leaves Abilene 20 minutes before the second car. The second car travels 70 miles per hour how long will it take the second car to catch and pass the first car

Science
Can you see organelles of plants using a simple microscope? If yes, what is it?

Math
0.9

ECONOMICS HELP!!!!!!
Something simple but not too wordy nor hard to understand

ECONOMICS HELP!!!!!!
I have to explain it though not give a graph.

ECONOMICS HELP!!!!!!
How did the election and Donald trump affect the stock market. I know I can just Google it but I cant seem to find the exact paragraph that explains it. Please help me. God Bless, Kait

Chemistry
I didn't get any of the answer choices I got 1.95 It's .164 mol kcl 6.242 mol ch3oh Then put the 6.242 over 6.406 and got .975 Then 2 x the .975

Chemistry
The vapor pressure of pure methanol at 25 degrees Celsius is 127.2 mm Hg. If 12.20 g of potassium chloride are dissolved in 200.0 g of methanol, what is the vapor pressure of the solution? A.123.9 mmHg B.3.256 mmHg C.104.3 mmHg D142.7 mmHg

Educational thechnonolgy
Lines are used in a design to _____.Choose all that apply. A.Create movement B.lead the eye across the page C.describe the relationship between certain colors D.divide a page into sections

Physics
Question: You have a 4.5 kg lead block at room temperature. Part A: Find the energy required to raise the lead’s temperature to its melting point. Part B: Find the energy required to melt the lead once it’s reached the melting point. I got the answer to part A. It is...

Math #3
Which is likely to have a mass close to 3 kilograms? A: a 5-year-old child B: a bowling ball*** C: a lemon D: an adult lion Can someone check this plz

Math
A bean plant was 1.5 meters high one week ago. In 7 days it grew 15 centimeters. Find the current height of the bean plant. A)1.35 m B)13.6 cm C)1.65 m *** D)1.85 cm Can someone check this plz?

Oh ok.... What is the answer to this?

Why not, I thought that's what your supposed to do

If anyone can check my answer that would be great!

Which statement best evaluates the results of Greece's membership in the European Union A. Greece's overall economy has improved because of increased trade. B. Greece's overall economy has improved because the euro is a strong Currency. C. Greece's overall ...

SS Help
yes ma'am do you know the question?

SS Help
......

SS Help
if anyone could help me I love it!

SS Help
Which statement best evaluates the results of Greece's membership in the European Union? MEDAL!!! A) Greece's overall economy has improved because of increased trade. B)Greece's overall economy has struggled because the euro is a strong currency. C) Greece's ...

ED TECH HELLLLPPP
Word is better for research projects that have audio clips, text and images

ED TECH HELLLLPPP
A powerpoint has transitions and Word doesn't

ED TECH HELLLLPPP
Selena needs to publish her research about Chinese culture. Her research includes audio clips from an interview with a Chinese citizen, written notes, and photographs from her tour of a Chinese exhibit in a local museum. Based on each application’s strengths and ...

Math
yep

Physics
In the figure, the meterstick's mass is 0.130 kg and the string tension is 2.30 N . The system is in equilibrium. A) Find the unknown mass m. B) Find the upward force the fulcrum exerts on the stick. I found part A and the answer is .634kg but I can not figure out part B.

algebra
2L*2W

algebra
the length of a rectangle is 5 times its width. if the length is decreased by 3 meters, and the width is increased by 10 meters, the perimeter will be 374 meters. find the length of the original rectangle.

Math
Paige cuts a square out of a circular pizza. The corners of the square lie on the circumference of the pizza.to the nearest whole number, what percent of the pizza is left when paige removes the square.

Math
In scientific notation, what is the product of 1.2 × 10^3 and 1.4 × 10^2? Express your answer to two significant figures. Can you also explain how to do this? Thanks!

Math
The tires on a car are 25 inches in diameter. If the car is moving at a constant speed of 65 miles per hour, how many rotations per second is the front left tire making? Express your answer as a decimal to the nearest tenth. (1 mile = 5280 feet)

Science
What propity makes a metal useful in a electical devices

Chemistry
How much heat energy is required to heat up 50.0 grams of water from 20.2 degrees Celsius to 34.2 degrees Celsius? I want o use the Q=mc(change in temp) formula but I am only given the m and difference in temp in this question so I am not sure of what I am supposed to do.

math
Jose was 62 years old nineteen years ago. how old is he now?

ART
yes

Math
you bought 10 gallon jugs of juice for \$26 if apple juice cost \$2 per gallon and orange juice costs \$3.50 per gallon how many of each type did he buy

Calculus
(b) Find a solution of the initial-value problem. (Hint: First verify that all members of the family y = 4/x + C are solutions of the given equation.) y' = −1/4y^2 y(0) = 0.25

SS
me too

Calculus
Use Euler's method with step size 0.2 to estimate y(1), where y(x) is the solution of the initial-value problem given below. (Round your answer to four decimal places.) y' = 1 − xy y(0) = 0 I don't even know how to start!

math
Given the data set (5, 9), (13, 12), (23, 16), which of the following equations best represents a line of best fit? y = three fourthsx − 7 y = four fifthsx + 7 y = three over twox + 7 y = two thirdsx − 7

Calculus
Sketch the region on paper. If it is a finite region, find its area. Round your answer to three decimal places. (If the area is not finite, enter NONE.) S = {(x,y) | x ≥ −4, 0 ≤ y ≤ e-x/2}

Calculus
Use Simpson's Rule with n=10 to estimate the arc length of the curve. Compare your answer with the value of the integral produced by your calculator. x = y + y^(1/2), 1 ≤ y ≤2

Calculus
Internal 1/sqrt(1+x^3) from [0,2] and n=10 (a) Use the Trapezoidal Rule to approximate the given integral with the specified value of n. (b) Use the Midpoint Rule to approximate the given integral with the specified value of n. (c) Use Simpson's Rule to approximate the ...

Calculus
Consider the following depiction of a tank with radius r = 9 meters with a spout of height h = 4.5 meters. A tank is is half full of oil that has a density of 900 kg/m3. Find the work W required to pump the oil out of the spout. (Use 9.8 m/s2 for g and 3.14 for π. Round ...

chemistry
How many moles of chlorate ions, zinc ions, and oxygen atoms are present in 0.433 mol of zinc chlorate?

Chemistry
How many moles of carbonate ions, aluminum ions, and oxygen atoms are present in 39.0 g aluminum carbonate?

Calculus
Consider the following depiction of a tank with radius r = 9 meters with a spout of height h = 4.5 meters. A tank is half full of oil that has a density of 900 kg/m3. Find the work W required to pump the oil out of the spout. (Use 9.8 m/s2 for g and 3.14 for π. Round your...

Chemistry
Assume the reaction of 55.25 g of Ge in the following reaction to determine the other quantities. 3Ge + 2N2 -> 1Ge3N4

Chemistry
The elements 57 through 71 (Lanthanum and the Lanthanoids) all form Ln+3 ions in aqueous solution. These all have an electron configuration is [Xe]4fn, where n increases from zero to fourteen over the series from Lanthanum to Lutetium Select the two ions that have 4 unpaired ...

Geography
What was the goal of the philosophers? Did their movement have an impact on our lives today?

Geography
In what model of the universe did philosophers of the middle ages believe? Give details

Geography
Describe two inventions that helped spark the scientific revolution and their impact

Chemistry
Assuming that the Bohr model is valid, what is the kinetic energy of a photoelectron liberated by a photon with a the given wavelength from a state with given Z and n? If the available energy is insufficient to break the tether, enter 0. λ=320 nanometers from a state with...

Chemistry
How many grams of CO2 (Mm = 44.0 g/mol) are produced in the combustion of 31.0 g of C4H10 (Mm = 58.1 g/mol)?

Calculus
Suppose that 5 J of work is needed to stretch a spring from its natural length of 28 cm to a length of 36 cm. (a) How much work is needed to stretch the spring from 32 cm to 34 cm? (Round your answer to two decimal places.) (b) How far beyond its natural length will a force of...

Calculus
Graph the curve. Find the exact length of the curve. x = 2et cos(t), y = 2et sin(t), 0 ≤ t ≤ π

its either c or d! welcome boo <3

math
Jayda deposited \$1500 into savings account that pays 3% simple interest per year. How much interest does she earn per year on her investment?

Calculus
Find a function of the form f(x)=a+bsqrtx that is tangent to the line 2y-3x=5 at the point (1, 4)

Chemistry
How much total work does a golf caddy do if he lifts a 300 N golf bag he is carrying 100 times a during a round, to a height of 1.0 m each time he lifts it?

Math
it is 22 hits multiplication property of equality

Social studies need help ASAP!!!!!
I don't need to drop this class I have good grades in this class it's just this one lesson that I have a problem with so don't tell me that I need to drop this class when I don't all I need is help @Ms.Sue

Social studies need help ASAP!!!!!
I've read all the material over nod over again and I still can't figure it out @reed

Social studies need help ASAP!!!!!
1. Which data tell you how much the price of goods inflates over a period of time? A. consumer price index B. gross domestic product C. unemployment rate D. economic indicator 2. what does the gross domestic product measure? A. the value of the U.S. and foreign goods during a ...

State History
Can you help me we go to the same school I think and I figured we can help each other out (I go to connections academy ) @CountryQueen

precal

History
Hey @CountryQueen did u get the answers to this test because I could really use the help

Art
You really shouldn't be giving the answers to the students at least ask then and help them along the way :)

algebra
Replace the equation in which the variable of the expression appears only once with a positive positive number for its exponent. (16x^2)/(16x^5)

2) You take the following measurements for the distance a toy car travels in 10 seconds during each 5 trials: 157cm, 175cm, 162cm, 168cm, 187cm. What are the relative uncertainties of the distance and time measurements? Which measurement is the most uncertain? this is what I ...

geometry
B is the midpoint of AC. A has coordinates (-3,4), and B has coordinates (-1 1/2,1). Find the coordinates of C. Did i get the right answer? (2)-1 1/2=(2)-3+x(over 2) -3-3=3+x-3 -6=x (2)1=(2)4+y(over 2) 2-4=4+y-4 -2=y The coordinates of C are (-6,-2)

Physics
A car drives over a hump in the road. The radius of the (circular) hump is 45m. How fast (m/s) would the car need to travel, so that the wheels just barely lose contact with the road?

calculus
h(x)= x + cos(ax), where a is a positive constant such that 0 < a < 4. What values of a make h(x) strictly decreasing? I know h'(x) has to be less than zero for h(x) to be decreasing and h'(x) = 1-asin(ax). I'm not sure where to go from here...

English 4
Which type of persuasive appeal does Jane Austen use in this passage from “On Making an Agreeable Marriage”?

SS
We aren't cheating in Connexus we need help!They don't have to say the answer they could drop hints but they don't!

SPanish

Geometry
"A cone has the radius of 24 and its volume is 1,920 what is the volume of a similar cone with the radius of 18 Answers A.480 B.810 C.1,080 D.1,440" How do I find the height for the similar cone to get its volume?

Science Help Plz
Thanks for nothing people

Science Help Plz
which of the following statements about earths atmosphere is true? a. earths atmosphere contains 78 percent water vapor which is essential to life b. earhts atmoshpere contains 21 percent oxygen c. earths atmosphere contains carbon dioxide which all life forms require d. ...

Chemistry
N2+3H2-> 2NH3 how many moles of hydrogen are needed to completely react with 2.6 moles of nitrogen?

Social Studies
thank you ms. sue

Social Studies
witch result of the compromise of 1850 did not benefit the north? a-the fugitive slave law b-californias admittance tt he union c-ending the slave trade in the district of columbia d-new mexico not being designated as a slavery trade Is it a?

what is the secret to reaching someone with words? witch of the poems "concret mixers" "the city is so big" or "harlem night song" best uses words to create a vision or an idea of the city for you? in a paragraph, state your opinion and support it...

Math
An electrician charges a \$50 fee to make a service call plus \$25 per hour he works. Determine whether the relationship between the two variables is proportional. Hours Cost(\$) 1 75 2 100 3 125 4 150 Is this proportional? Because i am not sure. When i plot these points on a ...

Discussing the future of management, Manager A maintains that we can expect a continued rise of virtual management and growth in technology. Manager B acknowledges that Manager A’s projections are likely, but incomplete. He adds that there will also be an increased focus ...

Chemistry
b) 60%

physics
what should the ratio of mass to volume be when considering the flight of a hot air balloon.

health
What is intensity?

Algebra 2
Find all real zeros of the function f(x)=x^3-27x

arithmetic
93.5 square inches or 93 1/2 square inches since 8 1/2 multiplied by 11 is 93.5.

honey it's sometimes

physics
In the Bohr model of the hydrogen atom, an electon mass= 9.11 x 10^-31 kg orbits a proton at a radius of 5.29 x 10^-11 m. The proton pulls on the electron with a force of 8.20 x 10^-8N. what is the speed of the electron? what is the period of the electron? I really need help ...

Algebra 2
Write the Expression as a complex number in standard form. 5i(3+2i)(8+3i)

physics
A military helicopter on a training mission is flying horizontally at a speed of 75.0m/s when it accidentally drops a bomb (fortunately, not armed) at an elevation of 310m . You can ignore air resistance. a:How much time is required for the bomb to reach the earth? b:How far ...

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