# Posts by dylan

Total # Posts: 562

**Science help ASAP**

Thanks!!!

**Science help ASAP**

1. Carrying capacity is the maximum number of ____ that an ecosystem can support. A. Different species B. Individuals in a population C. Habitats D. Limiting factors

**Chemistry**

Determine the pH of a solution made by diluting 25mL of 6.0 M HCl until the final volume of the solution is 1.75 L

**ATTENTION TEACHERS AND STUDENTS**

Mrs. Matthew called me stupid for not knowing the answer to this so...May I please get some proper help? The cost for a business to make greeting cards can be divided into one-time costs (e.g. a printing machine) and repeated costs (e.g. ink and paper). Suppose the total cost ...

**History**

Ello. I you're right. ;)

**Math**

B. Am I right?

**Math**

The cost for a business to make greeting cards can be divided into one-time costs (e.g. a printing machine) and repeated costs (e.g. ink and paper). Suppose the total cost make 500 cards is $1,100, and the total cost to make 650 cards is 1,400. What is the total cost to make 1...

**History**

1. Abraham Lincoln cause four states to join the confederacy by _____ A. Declaring War B. Firing on Fort Sumter C. Emancipating the enslaved people D. Calling for troops*** 2. What Confederate capital was only about 100 miles from Washington D.C.? A. Richmond, Virginia*** B. ...

**U.S. History**

1. The admission of Missouri as a slave state was controversial in the Senate because... A. The senate was pro-slavery B. It would create sectionalism*** C. It would upset the balance D. The senate was anti-slavery

**Health**

The functional unit of the nervous system is.. A. The Neuron B. The Brain*** C. A reflex D. The cerebrum

**Math algebra**

The answer is 8 people get it right MY GOSH MIND BLOWN!!!!!!

**Chemistry**

How many moles of oxygen (O2) are required to completely react with 27.4 mol of H2?

**Math please help**

Thank you so much. I've been working on this for half an hour

**Math please help**

The measure of the supplement of an angle is 30 more than twice the measure of the angle. Find the measure of the angles.

**physics**

A 1,500-kg car stands on a square platform, and a 25-kg boy stands on another square platform. These platforms are the two caps of a large oil-filled container. What must be the ratio of the platform sides (large/small) for the boy to gently lift the car?

**History**

In the congressional election of 1858, the Senate race in what state was the center of national attention? A. Illinois B. Michigan C. Indiana D. Ohio

**Math**

4/3

**Math**

Does anyone know all of the answers to the whole Quick check?

**Math**

I'm assuming a student!

**Science**

Correct.

**Science**

Nope. Neither.

**math**

Simplifying 4x2y + 12xy2 + 9y3 Reorder the terms: 12xy2 + 4x2y + 9y3 Factor out the Greatest Common Factor (GCF), 'y'. y(12xy + 4x2 + 9y2) Factor a trinomial. y((2x + 3y)(2x + 3y)) Final result: y(2x + 3y)(2x + 3y)

**Math**

40+20=60 10+20=30 There.

**maths**

Transformations Angles Circle Theoroms Simultaneous Equations Histograms, cumulative frequency Surds Vectors Recurring Decimals That's all I know.

**Math**

52/4=13. Now you do the rest. (if needed)

**Art**

Listen guys. A C B are the correct answers. People are just saying D A B because it spells it dab. Trust me on this. I go to connexus. These answers are for the Quick Check in lesson 2 Unit 4. 1. A 2. C 3. B 100%^^^^^^^

**northdale middle school**

a ski rental charges $27.00 for 3 hours and $45.00 for 5 hours. What is the equation?

**Art**

ur right its A C D

**algebra**

Write the slope-intercept form of the given line. Include your work in your final answer. Type your answer in the box provided or use the upload option to submit your solution.

**Math**

The team had $127.00 to spend on t-shirts for each of the fifteen team members. After purchasing the t-shirts, the team had $7.00 left. How much did each t-shirt cost?

**Poetry 7**

I got a 100 percent to thx so much

**geometry**

If a rectangular prism has a surface area of 198 square feet, a height of 6 feet and a lateral surface area of 144 square feet what is the base area of the prism? What is the volume of the prism?

**la**

what has two e's and has to do with Christmas.

**science**

Electric Charge A. Radiation B. Electricity C. Discovery D. Potential Energy I think either b or d but i'm not sure which on is right.

**technoligy**

THESE ANSWERS ARE ALL WRONG THX ALOT JISKHA

**Physics**

Randy throws a tennis ball horizonally to hit a wall 20 m away. If the ball hits the wall 1.5s after it is thrown, what is the horizontal component of the balls velocity?

**math**

You and your friends form a band. You want to record a demo. Studio A rents for $100 up front plus $50 per hour. Studio B rents for $50 up front plus $75 per hour. After how many hours will the rent be the same? What will the rent be? .......... PLEASE HELP. I NEED THIS TO BE ...

**Math**

Dylan plants grass in a rectangle space behind the clump house.nthe area of the space was 70 ft. If the length of the space is 14 ft. What's the width of the space

**public speaking**

I am trying to pick a motivational speech topic where I have to convince someone to do something (i.e stop shopping at a store, join a particular organization, etc). However, we have to have 5 credible sources, one of which has to be a peer-reviewed article. So, this limits ...

**Math**

If a rectangle has four congruent sides, it is a square. A square has perpendicular diagonals. Conclusion: A rectangle has diagonals that are always perpendicular. Which of the following is correct The conclusion is valid by the law of syllogism. The conclusion is invalid ...

**Math**

I don't understand how to solve this equation -2+5x-7=3x-9+2x could you help me out?

**Astronomy**

he is right

**first part**

no. of componenents = 2 (Na2SO4 and water - as each phase can be described by these two components only) no. of phases = 3 ( solid and liquid and vapor) degrees of freedom = 2-3+2 = 1

**social studies**

longisland

**Biology**

how does the number of electrons in an atom determine what kind of bond it can form?

**Biology**

I did a lab and have been graded already. One of the questions asked us to pick good scientific questions from a list of choices. One of the choices read, "What soil properties determine the resulting color of a plant's flowers?". Note: I have changed the wording...

**Math**

2018!!!!

**geometry**

there is a rectangular parking lot with a length of 2x and a width of x what is the ratio of the perimeter of the parking lot to the parking lot, in terms of x?

**math**

Rationalize the denominator of 2sqrt7/x+sqrt7 I need steps to do this. Been a while since high school. Thanks

**physics**

GPS satellites orbit the earth about 20,000 km above the surface of the earth. The radius of the earth is 6,371 km. What is the acceleration due to earth’s gravity on the GPS satellites? i've tried fooling around with the A = V^2/ R and V = 2pir/T equations, but I ...

**Geometry**

Sarah is filling a glass sphere with decorative sand. The radius of the sphere is 2 inches. Which is closest to the minimum amount of sand Sarah needs to completely fill the glass sphere?

**Math**

Is he right?!

**Please Check My Math Answers. Thanks!**

The ones saying that the answers are wrong are wrong. The questions may be weirdly placed, but I got a 100. Here's the ones that aren't placed weirdly - 1.) Calculate the slant height for the given cone. Round to the nearest tenth. The answer - 98cm 2.) Calculate the ...

**indian ridian ridge**

Simplify the given expression to rational exponent form and justify each step by identifying the properties of rational exponents used. All work must be shown. 1/cubed root of x to -6 exponent

**math**

If you place $2,000.00 in a savings account with an interest rate of 4.5%/month versus an account with a rate of 3.75%/month, how much more interest could you earn in that month using the first account?

**Math**

If you place $1000 in a savings account with an interest rate of 5.25% a month how much should you earn an interest at the end of the month?

**Pre-Algebra**

It wont let me upload it ugh

**Pre-Algebra**

1.) if m<1=43 what is m<4? a: 53 b: 43 c: 37 d: 47 2.) if m<1=55 what is m<5? a: 55 b: 40 c: 35 d: 25 3.)if m<4=25 wht is m<8? a: 105 b: 75 c: 175 d: 25

**chemistry (Bohr model)**

The second ionization energy of He is almost exactly four times the ionization energy of H, and the third ionization energy of Li is almost exactly nine times the ionization energy of H: IE (MJ mol-1) H(g) --> H +(g) + e- (1.3120) He+(g) --> He2+(g) + e- (5.2504) Li2+(g...

**physics**

A particle carrying a charge of 6.0uC is located at the origin of a rectangle coordinate system, and a particle carrying a charge of 4.0uC is located at (0,5.0m). What are the magnitude and direction of the electric field at the positions (5.0m,0), (-5.0m,0), and (0,-5.0m)?

**physics**

A positively charged solid sphere of radius 100 mm has a uniform volume charge density of 250 nC/m^2. Determine the electric field (a) 20 mm, (b) 90 mm, and (c) 110 mm from the center of the sphere.

**Organic Chemistry**

If you have 5.6 mL of 95% hexanes to 5% ethyl acetate, how many mL of 85% hexanes to 15% ethyl acetate can you make? Assume unlimited supply of pure ethyl acetate.

**Inorganic Chemistry**

Use Slater's rules to calculate the effective nuclear charge, Z* or Zeff, for a 4f electron in Eu, Tb, and Dy.

**Column Chromatography**

If you have 5.6 mL of 95% hexanes to 5% ethyl acetate, how many mL of 85% hexanes to 15% ethyl acetate can you make? Assume unlimited supply of pure ethyl acetate.

**P.E. help**

RoastedToaster is correct.

**Math**

What is the mean absolute deviation of 640 250 500 640 720 640 250 720

**math**

5/7 times9/10

**math**

1/3 divided by 5/8

**math**

somebody please help me

**math**

4/5 times 3/4

**math**

4/3 times 3/4

**History(Checking Answers)**

Thanks , Okay so is it Northeast? and For the first answer Climate that supported a large agricultural base..

**U.S, History**

You're welcome.

**U.S, History**

I believe its C

**English**

How can I make this sentence present tense? Or is it already present tense? The problem I'm having is with the word "banished" which is past tense. And my teacher wants us to write in the present tense. I have the main verb present so does that make the whole ...

**AP Chem**

NO2 + H2 <-> NO + H2O [H2] = .30 mol/L [NO2] = .20 mol/L [NO] = [H20] = .70 mol/L @ 1000K A. What is the mole fraction of NO in the equilibrium mixture? B. Calculate Kc C. Determine Kp in terms of Kc D. If system is cooled to a lower temperature, 35% of NO is converted ...

**English composition**

I'm writing a paper to explain a concept of the bevel Ella Minnow Pea. I've come up with a thesis statement and my teacher has approved it, but I'm just stuck as to what I'm writing about. The assignment instructions asks "How does Dunn legitimize his ...

**Ed Tech**

1.) B 2.) D 3.) A 4.) A Just as Harley said.

**English - grammar**

How to decide how to end a sentence with he/him or she/her? Ex. We can not eat before he? or him?

**Algebra**

Interval notation: (-7,3) If it was included (less than or equal to/greater than or equal to) you would use a bracket [ or ].

**physics**

A small relief package is dropped by a helicopter that is descending steadily at 2.0 m/s. a) After 2.5 s, what is the speed of the relief package? b) After 2.5 s, how is the package below the helicopter? I think I need to use the kinematic equations.

**Algebra1**

Umm can u please say something more specific

**Algebra1**

Which variable can you replace with a number 10a + 6c = $ 80 ❗️❗️❗️❗️❗️❗️❗️❗️❗️❗️❗️

**Math**

Lol anyone else doing this for 6th grade homework

**chemistry**

A room contains 47kg of air. How many kilowatt-hours of energy are necessary to heat the air in the house from 7∘C to 26∘C? The heat capacity of air is 1.03 J/g∘C

**chemistry**

Calculate the final temperature of 34mL of ethanol initially at 13∘C upon absorption of 938J of heat. (density of ethanol =0.789 g/mL)

**science**

what is the weight of the ethyl alcohol that exactly fills a 200.00 ml container? The density of ethyl alcohol is 0.789 grams/ml

**physics**

Watch this youtube video! "Relative Velocity Lesson 3 - Example 2"

**English**

idk

**babysitting**

Yes

**geometry**

108

**Math 11**

From a window in a building 20 m above ground the angle of depression of the top of a statue across the street is 30 degrees, and the angle of depression of the base of the statue is 34. How tall is the statue?

**Math 11**

From a weather balloon high in the air, the angle of depression of a ground marker is 27.8 degrees. If the balloon rises 345 m straight up the angle of depression from this higher point is 46.2 degrees. How high above the ground is the balloon?

**math**

THAT RIGHT\

**Physics**

A disk at rest experiences a constant angular acceleration for t = 85 s, at the end of which it is spinning with a frequency of f = 45 rpm. Please answer the following questions. A)Write an expression for the magnitude of the angular velocity of the disk after the acceleration...

**Math**

OH OK I TELL YOU

**Math**

F(x)=x^2-2x-3 plz help me slove this ? HELP ME I DO NOT UNDERSTAND THIS HELP ME PLZ

**math**

OH OK THANK YOU

**letter**

IS THAT A GOOD LETTER MS. SUE

**letter**

OK ITS JUST MY COMPUTER IT KEEP PUT DATE