# Posts by Roma

Total # Posts: 66

**maths**

A plane is flying at 31,348 feet. It needs to rise to 36,000 feet in two stages. In stage 1, it rises 5% of its initial altitude of 31,348 feet. In stage 2, it rises at a rate of 140.3 feet per minute. How many minutes does it take for the plane to rise during stage 2?

**MATHS**

The dimension of a rectangular pool are 24.5 feet by 13 feet. The depth of the water is 4 feet. Each cubic foot contains 7.48 gallons of water. How many gallons of water to the nearest tenth, are needed to fill the pool to 80% capacity

**MATHS**

A plane is flying at 31,348 feet. It needs to rise to 36,000 feet in two stages. In stage 1, it rises 5% of its initial altitude of 31,348 feet. In stage 2, it rises at a rate of 140.3 feet per minute. How many minutes does it take for the plane to rise during stage 2?

**math**

thanks

**math**

Springfield has an elevation of −150 feet. Greenville is 3 times as far below sea level as Springfield. What is Greenville’s elevation, in feet? is the answer -50 feet

**MATHS**

thanks

**MATHS**

so is it 2 1/4

**MATHS**

is it 10

**MATHS**

An expression is shown. -5 1/2 + 7 3/4 What is the value of the expression?

**English**

Tall Tale

**maths**

An expression is shown. 15.5 + (−16.75) What is the value of the expression? Is it -1.25

**MATHS**

James pays $120.00 for golf clubs that are on sale for 20% off at Golf Pros. At Nine Iron, the same clubs cost $8.00 less than they cost at Golf Pros. They are on sale for 13% off. What is the original cost of the clubs at Nine Iron?

**English**

epic hero

**maths**

An equation is shown, where x>0, z<0, and |x| > |z|. x.y = z 𝑦 < 0 𝑦 > 0 |𝑦| < 1 |𝑦| = 1 |𝑦| > 1

**maths**

thanks

**maths**

At 8: 00, the temperature was 6 degrees Celsius (°C). Three hours later, the temperature was -13°C. By how many degrees Celsius did the temperature change? Is the answer 19°C

**MATHS**

is the answer -50 feet

**MATHS**

is it -50 feet

**MATHS**

Springfield has an elevation of −150 feet. Greenville is 3 times as far below sea level as Springfield. What is Greenville’s elevation, in feet?

**MATHS**

In Homestead, 2/5 of the households own pets. Of the households with pets, 1/3 have cats. What fraction of the households in Homestead own cats?

**MATHS**

Joe and Scott equally share a pizza. If Scott eats 1/2 of his portion of the pizza, what fraction of the whole pizza does he eat?

**MATHS**

Sandy uses 2/7 of a pound of raisins in each batch of raisin bread. Yesterday, Sandy used 5/7 of a pound of raisins. How many batches of raisin bread did Sandy make yesterday?

**MATHS**

The sum of 𝑎 and 𝑏 is c. The number line shows 𝑎 and 𝑏. _____________b____0_______________a_ Which statements about c are true? □ |𝑎| < |𝑐| □ |𝑎| = |𝑐| □ |𝑎| > |𝑐| □...

**math**

Megan and Jake both live on the same street that the library is on. Jake - 4.5kms from the library Megan is 5.5kms from the library How many kilometers (km) apart do Megan and Jake live?

**maths**

Kara is mixing paint. Each batch has twice as much blue paint as yellow paint. Plot points to represent the amount of blue and yellow paint in three different-sized batches.

**maths**

A bag contains 4 red, 4 blue, 4 green, and 4 yellow marbles. A marble is randomly pulled from the bag and replaced seven times. The table shows the outcome of the experiment. TRIAL - OUTCOME 1 - YELLOW 2 - BLUE 3 - YELLOW 4 - RED 5 - BLUE 6 - YELLOW 7 - YELLOW Which marble ...

**maths**

Tony has a bucket filled with 10 green, 3 blue, 1 red, and 7 yellow tennis balls. He removes 4 tennis balls from the bucket, without replacement. Which of the following outcomes could represent this selection? A. All of the tennis balls are blue. B. There is 1 tennis ball of ...

**math**

A bag contains 4 red, 4 blue, 4 green, and 4 yellow marbles. A marble is randomly pulled from the bag and replaced seven times. The table shows the outcome of the experiment. TRIAL - OUTCOME 1 - YELLOW 2 - BLUE 3 - YELLOW 4 - RED 5 - BLUE 6 - YELLOW 7 - YELLOW Which marble ...

**MATH**

Tony has a bucket filled with 10 green, 3 blue, 1 red, and 7 yellow tennis balls. He removes 4 tennis balls from the bucket, without replacement. Which of the following outcomes could represent this selection? A. All of the tennis balls are blue. B. There is 1 tennis ball of ...

**MATHS**

A bucket contains 5 green tennis balls, 2 yellow tennis balls, and 6 red tennis balls. Tony removes 3 tennis balls,with replacement, from the bucket shown. What is the probability that the first tennis ball is yellow, the second tennis ball is green, and the third tennis ball ...

**MATH**

A bucket contains 5 green tennis balls and 2 yellow tennis balls. Tony removes 2 tennis balls, with replacement, from the bucket shown. What is the probability that Tony will choose a yellow tennis ball and then a green tennis ball?

**MATH**

A spinner is divided into equal parts 1-5. George spun the spinner 300 times. A table of outcomes is shown. Part- Times Spun 1 - 42 2 - 66 3 - 63 4 - 72 5 - 57 Based on the table, what is an estimated probability of the spinner landing on an even number?

**math**

A spinner is divided into blue green and red parts. George spins the spinner 300 times. Below is the table of outcome Part Time Spun Blue 91 Green 107 Red 102 Based on the table what was George's experimental probability of spinning red

**Math**

FractioN Decimal Percent 2/3 0.666… 66.666…%

**math**

A bag contains 3 red marbles and 6 blue marbles. What is the probability of randomly selecting a red marble from the bag

**chemistry**

11.4265

**statistics**

In how many ways can 24 identical white ball and 19 black ball be arranged in rows so that no black balls are together.

**statistics**

In a class of 100 ,84% of the students have taken politics &16% of student have taken history.how many students have taken both subject of all the students take at least one of these subjects?

**math**

find the next term in the sequence 6,11,21,36,56,81

**Socials**

Temperature decreases approximately 1degree Celsius for each 150 metres increase in altitude. 1. The temp at sea level is 25 degree Celsius A.) what will the temp be 1200m up the mountain? B.) what will it be at the top? (2250m) 2. The temp at the top of the mountain is ...

**Can someone please answer my question**

Please answer my previous post I really need help!!!

**Science**

I think the last question means if we test hydrogen in a tube, y is there no water in it? I don't know wut the question means either and thank u for ur help:)

**Science**

Can an element be separated from a compound? Can an element form a compound? The reaction of zinc metal and hydrochloric acid creates hydrogen gas, an element. if we create this element in a tube what property of this element requires us to keep the tube upside down? Water has...

**Science**

Associate each item in the table with at least one field of science and one area of technology/engineering. Choose from the terms given at the bottom. Automobile aspirin shirt computer pesticide satellite robot atomic bomb vaccination can of soup polyester wrapper skyscraper ...

**Socials**

I've tried looking for the other ones on my atlas but I'm stuck, I've finished all my other questions but these are the ones I'm stuck on

**Socials**

How far is it in kilometers from kamloops BC to Edmonton Alberta? How far is it in kilometers from Singapore to Kuala Lumpur? How far is it in kilometers from Singapore to Medan? What is located at 105 east and 3 south?

**physics I'M STUCK PZL HELP**

"ln" is like log..it is in your calculator

**physics I'M STUCK PZL HELP**

Thank you very much Teresa. I got green check. Now time for rular one..

**physics I'M STUCK PZL HELP**

Hi Teresa, in my problem, question says The rocket burns 10 % of its mass in 290 s (assume the burn rate is constant). What is the speed of the rocket after a burn time of 145.0 s? How did you find 4.5% is burned in 155 sec? Pls. Thank you very much

**physics I'M STUCK PZL HELP**

Hi Teresa, can you do rocket problem me pls?

**physics Classical Mechanics**

Hi Greco, can you do rocket problem pls?

**physics Classical Mechanics**

you mean 10/9? I already used this and got wrong. Can you do in the way how you did? I mean can you show here please?

**physics Classical Mechanics**

Hi Anonymous, I know the formula for propulsion, but I don't know how to find m_1/m_f in 145sec. It is given that 10% of mass in 290sec. can you tell how to find?

**physics Classical Mechanics**

Hi hil, I did missile problem and I am seeing you are typing correct formula. Just remember to convert r_1 in meter( I think you did) and do calculate in your own calculater, not in edx one. Because sometimes I get wrong when I did in edx one calculator. may be we type ...

**physics Classical Mechanics**

Hi Hil, can you help me in rocket problem please? I used correct formula but I don't know how to find m_0/m? It is given 10% of mass in 290s and asking v in 145 s?

**PHYSICS(HELP!!)**

Hi, did you solve rocket problem. I gopt it wrong. How to find? Can you help please?

**PHYSICS IMP PLS**

Hi billy, It is given that 10% of mass in 290 sec and asking in 145s. I used m_0/m= 10/9 which is in 290sec I guess. and I got wrong ans. I have only one submission left. I don't know how to find m_0/m in 145sec. Please can you do it pls?

**PHYSICS IMP PLS**

time is not related for first part? in velocity formula there is no time, so we should not worry about 290s and 145s for first part? Thanks

**PHYSICS IMP PLS**

Consider a rocket in space that ejects burned fuel at a speed of v_ex= 2.0 km/s with respect to the rocket. The rocket burns 10 % of its mass in 290 s (assume the burn rate is constant). (a) What is the speed of the rocket after a burn time of 145.0 s? (suppose that the rocket...

**Classical Mechanics Physics - Urgent help please**

Hi Damon how did you find x=distance out from cg=0.05sinT? I have different numbers in my problem and I did not understand how to find x. Thanks

**English Rewites**

Most of you know the condition as a stroke. Begin:Having Spent

**math**

What is the algebraic rule for x = 1, 2, 3, 4, ... and y = 3, 9, 18, 30, ...

**accounting**

You can access answer athomeworkanswer blog. you can search any of your questions at the site and may get the answer.

**Science/Math**

166 years

**spelling**

form a sentence with the 2 conjunction words she's and cann't

**chemistry**

Assume you are in a lab with a test tube of sulfuric acid. You drop a piece of calcium into the tube. What do you observe happening in the tube? thank you