# Posts by katie

Total # Posts: 2,183

math
My answers 1. C. 10 2.D 9 3. B 12 4.c 8 100% correct trust me will pass it ! Just took the test

precalc
I don't understand how to do these w/o calc. I tried to write it in a way that will make someone understand how to read it. Hope I typed it clear enough.Thanks so much for the help anyone! How to find the exact value of logarithm: 10. log5^100 -log5^4 11. log4^8 +log4^8 12...

Math 141
Box A contains 3 white marbles and 4 black marbles. Box B contains 6 white marbles and 5 black marbles. An experiment consists of first selecting a marble at random from Box A. The marble is transferred to Box B and then a second marble is drawn from Box B. What is the ...

Math 141
Three machines turn out all the products in a factory, with the first machine producing 20% of the products, the second machine 15%, and the third machine 65%. The first machine produces defective products 17% of the time, the second machine 8% of the time and the third ...

precalc(LOGS) CONFUSED!
How do I rewrite without logarithms?? 2. log x= log a - 4 log b 3. ln t= 3/2 ln a - ln p 4. log y = 3 log x + log 17

Precalc
i figured C. I'm really stuck on b &d. btw. I can't use a calculator to figure these because we aren't supposed to. How do you find it out w/o using calc.

Precalc
Given log2=0.3010, log3=0.4771, log5=0.6690, and log7=0.8451... Find a.) log8 b) log5/7 c.) log1.5 d.) log3/14 e) log12 I didn't know how to do b, c, and d. I also don't know if log 12 is right. Answer: a.) 0.903 b.)? c.)? d.)? e.) 1.0791

Okay, so I have to reduce my answer then I will have it right. Thank you!

-4x+3y=12 Solve for y I got: 12+4x/3 Is that right?

Math

Math
Is the simplified form of 2square root of 3 ⋅ 2square root of 6 rational? Yes or No

Math
Thank You

Math
Which of the following options results in a graph that shows exponential growth A.f(x)= 0.4(3)^x B.f(x)= 3(0.5)^x C.f(x)= 0.8(0.9)^x D.f(x)= 0.9(5)^-x

Math
Thank You so much

Math
Which of the following options is an equivalent function to f(x) = 3(2)3^x? A.f(x)=3(8)^x B.f(x)= 24^x C.f(x)= 27(8)^x D.f(x)= 3(8x)

Language
100 is correct thanks for the 100!!!!!!!

Social Studies
Who won the battle of the Atlanta Campaign

Social Studies
Interesting facts😑😑😑😑😑😊

Social Studies
Wat r 10 facts u didn't know about the Atlanta Campaign

English
Just took the test the answers are: 1)B 2)A 3)Flase Sorry if you got it wrong because she didn't say the answer. I personally did the whole lesson but still had trouble with the test.

Math
(3p-pq^3)2pq= I got: 6p^2q - 2p^2q4 Can it be simplified more?

p= -3; q=2 2q(p+q)+3pq I got -22

I see that now! Thank you!

Where did I go wrong? I did this: 16(3--2) -8 + -8 16(5) + -16 80-16= 64 Thanks for your help.

I forgot to put that x=4 and y=-2

4x(3-y) - 2x + xy I got 64. Is that right?

math
A prize of \$100, \$200, \$500, or \$1000 will be randomly awarded to a game show contestant, with the probabilities of winning each prize shown in the table below. What is the expected value of the prize that will be awarded?

Physical Education
Awesome thanks "hey"

Tech
1.B Hurricanes earthquakes volcanoes 2. D. Action button 3. A. Cite a source Trust me 100% 3/3 I pass it !

Natural Disasters
1. B hurricanes earthquakes volcanoes 2. D action button 3. A cite a source 100% trust me

Math
True of false A broken scale can make changes in data appear less they than they actually are. If false, explain why. I know the answer is false because it is in my book, but I don't understand why.

Physical Science
I put that the kinetic energy increases, but am I missing something? Is that the whole answer?

Physical Science
What happens to the kinetic energy of a snowball as it rolls across the lawn and gains mass?

social studies
Furs

Science/math
Newtons second law of motion states that F =MA Force equals mass multiplied by acceleration. Mass is the constant. It does not change. What is the independent and dependent variable? I put force is independent and acceleration is dependent. Is that right?

Math-Sorry I had a mistake in the first problem.
Please check my work: Label the dependent and independent variable. 1. Time spent studying and Score on a test 2. If a scientist conducts an experiment to test the theory that a vitamin could extend a person's life expectancy. What are the dependent and independent ...

Msth
Please check my work: Label the dependent and independent vstiablr. 1. Time spent studying and Score on a test 2. If a scientist conducts an experiment to test the theory that a vitamin could extend a person's life expectancy. What are the dependent and independent ...

Study Skills Practice
1. B 2.d 3. A 100% correct

geometry
The answer is C. Just took the test.

Mental & Emotional Health
1. true 2. time magement 3. true 100% correct these are the correct answers 3/3 100%

Math
Okay, thank you.

Math
How did you get that 1 cubic centimeter = 0.0610237 cubic inch ?

Math
Convert 630 cubic centimeters to cubic inches. I know that 1 inch = 2.54cm I tried 630/2.54 but I didn't get the answer in my book, which is 38.44. What am I doing wrong please?

Tech
1.B hurricane, earthquakes, volcanoes. 2.d action button 3. A cite a source Here are the correct answers. Trust me I got a 100% 3/3 100%

Tech
1.which of the following choice names are three natural disasters 1. B hurricanes earthquakes and volcanoes 2. D action button 3. A cite a source Here are the real answers first.trust me you will past the test! 100%! I got a 100%

Language arts
Yea thanks I got 100% correct

Math
That's what I did and I got .45. I was just doubting myself because I thought I had to set it up differently. It seemed too easy. Thank you.

Math
A basketball player attempted 1789 free throws. He made 801 of of them. What is the probability that the player will make the next shot he attempts? Write the probability as a decimal rounded to the nearest hundredth.

science
1. B 2. A 3.b 4. A 5. D 100% correct I got 5/5

Algebra 1
What are the two quantities that should be measured to find the rate at which water flows out of a shower head? Explain how the rate can be determined. Thanks!

Math
1. B -9 2. C y^19 3. D w^ -6 4. B 1 5. C 5^3 ThESe are a 100% correct True me will pass it.

Okay, so yes a mixture can be made up of only elements. Why? Because mixtures can be made up of compounds and/or elements. Right?

Could a mixture be made up of only elements and no compounds? Explain why or why not.

Science
Could a mixture be made up of only elements and no compounds? Explain why or why not.

Math
See what 12 and 9 go into (3) 3 goes into 12 4 times 3 goes into 9 3 times take the biggest number and times both of them by that number. 9x4 = 36 12x4 = 48 Take the number 3 goes into and add that number to 9:15am Glad i could help xx

algebra
If a=2 what is -a^2? -4 or 4? Why?

Algebra
ten-pin bowling ball has a volume of about 5274 cm3. A candlepin (8) bowling ball has a volume of about 48 in3. About how much greater is the volume of a ten-pin bowling ball than the volume of a candlepin bowling ball?

Chemistry
Lead has a density of 11 g/ml. Mercury has a density of 13.6 g/ml. How much more volume would 1 pound of lead occupy the one pound of mercury?

statistics
The cholesterol levels of adult American women has a mound-shaped and symmetric distribution with a mean of 188mg/dL and a standard deviation of 24 mg/dL. In what interval would you expect most American women’s cholesterol levels to be? Explain.

physics
Light from the Sun reaches Earth in 8.3 min. The speed of light is 3.00 x 10^8 m/s. How far is Earth from the Sun?

math
i dont know what the answer is

science
Study skills 1. A maitaining a postive attitude 2. D trying studying at the libary instead of at home 3. C look at headings and subheadings of the lesson to get a idea of what the lesson is about 4. B questing keeps your brain actively trying to find the answers while you are ...

Health
1. C 2. C 3. A 4. A and c 5. C 6. B 7. D 8. A 9.a 10.d 11.true 12. C 13. True 14. A 15. C 8, 16 These are a 100% correct TRUST ME WILL PASS IT!

Chemistry
If 5ml of 10M HCl was added to 1 litre of 0.4M 3-(N-morpholino) propane sulfonic acid what would be the resulting pH?

Health
1. C 2. C 3. True 4. A and c 5. C 6. B 7. D 8. A 9. A 10. D 11. True 12. C 13. True 14.a 15. C 8,16 100% correct I pass it

Math
88

English 10
Correct :) 100%

Health and physical education
1. C devolopment of ovaries in girls and testes in boys. 2. C hormonal changes 3. True 4. A and d 5. C your friends have recently started smoking 6.C Action plan 7. D continue searching for a reliable resources on the topic 8. A continuum 9. A physical health 10. D isolating ...

Math
Internal rate of return What is the internal rate of return for the following project. An initial outlay of \$9500 resulting in a single cash inflow of \$16,281 in 7 years. Internal rate of return for the project is ___%

Chemistry
What is the total internal energy change (∆E), in J, of a system that releases 202.90 J of heat and absorbs 315.7 J of work from the surroundings?

Civics ASAP PLZ =:)
I had this question on a test of mine. I hope this is correct! Thx

Geometry
Find the approximate surface-area-to-volume ratio of a bowling ball with a radius of 5 inches. A. 0.6 B. 0.67 C. 1.67 D. 25

math
Yay! Thank you so much. Very much helps! :D

MATH
Awesome thanks so much!

Math Help
With the given information below, write the standard form equation for the parabola. 1.) Vertex: (-1,2) Focus(-1,0) 2.) Vertex: (-2,1) Directrix x=1

Physics
A weather balloon is released at an altitude of 500m. The force of gravity on the balloon is 21.1n. The lift force provided by the atmosphere is 18.7n. Which of the following is true about the balloon? a. The balloon rises at constant velocity. b. the net force on the balloon...

Physics
Update: Planets are not uniform inside. Normally, they are densest at the center and have decreasing density outward toward the surface. Model a spherically symmetric planet, with the same radius as the earth, as having a density that decreases linearly with distance from the ...

Physics
A small block is attached to an ideal spring and is moving in SHM on a horizontal, frictionless surface. When the amplitude of the motion is 0.090m , it takes the block 2.68s to travel from x= 0.090m to x= -0.090m . If the amplitude is doubled, to 0.180m , how long does it ...

Health
murkle answers are correct 100% thanks !

Language Arts
Lee IS right!!! 100% Ohhhh yeah!

Language Arts
Is Lee right or wrong?? -.- I need to know

Math
you have four \$1 bills, two \$5 bills, five \$10 bills, and five \$ 20 bills in your wallet. You select a bill at random. Without replacing the bill, you choose a second bill. What is P(\$1, then\$ 10)?

Art
Yep Anon was right! Thanks sooooo much!! :D

PE
his answers are incorrect. i took the test and i know what the answers are. if you are in unit 8 lesson 5 medical and life threatening emergencies.

Art
The answer was D XD And btw if you go to connections 1 was c and 2 was b Just saying ;)

Chemistry
Gaseous ethane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 16.2 g of ethane is mixed with 19. g of oxygen. Calculate the maximum mass of carbon dioxide that could be produced by the chemical reaction. Round your answer to ...

english
C. They are just going to have to wait to see the movie.

Statistics
im not sure

physics
The man fires an 75g arrow so that it is moving at 80 m/s when it hits and embeds in a 13kg block resting on ice. What is the velocity of the block and arrow just after the collision? How far will the block slide on the ice before stopping? A 7.2N friction force opposes its ...

Math

science help
1. A 2.d 3.d 4. B trust me will past! 100%!

Chemistry
Sulfuric acid dissolves aluminum metal according to the following reaction: 2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 14.5g . 1.) What minimum mass of H2SO4 would you need? 2.)What mass of H2 gas would be ...

social studies
thank you violet. I told my mom I would do this quik check on my own but I don't rember anything

Math
If someone could help me with this, I would appreciate it! Thanks! Directions: Determine if these two are inverses of one another. A= [ 1 1 1 3 5 4 0 -1 0] A^-1= [ 4 -1 -1 0 0 -1 -3 1 2]

Math check
Yo was right for CO Connections multiplying polynomials

Science
OH YEAHHH! GOT 100% TOOOO! THANKS SO MUCH!!

social studies
1.gobi desert 2. Taiwan 3. mountain ranges make much of the region too dry to farm 4. other ethnic groups need a higher birth rate to survive.

Physics
A small wooden block with mass 0.800kg is suspended from the lower end of a light cord that is 1.52m long. The block is initially at rest. A bullet with mass 0.0126kg is fired at the block with a horizontal velocity v0. The bullet strikes the block and becomes embedded in it. ...

physics
Consider a purely inductive ac circuit in which the maximum voltage across the inductor is Vmax=98.0V. If the maximum current is 7.40A at 40.0Hz, what is the inductance L? Answer in mH.

physics
A 39-turn circular coil of wire has a diameter of 1.2m. It is placed with its axis along the direction of the Earth's magnetic field of 58μT at 52° below the horizontal, and then in 0.16s it is flipped 180°. a) What is volts the magnitude of the average ...