# Posts by Lisa

Total # Posts: 3,431

math

math
thank you

math
mexico?

math
spain?

math
the table below shows the population of four countries for the year 2006 expressed in scientific notation. Population in 2006 country population Lebanon 3.90x10^6 Mexico 1.08x10^8 Peru 2.84x10^7 Spain 45.5x10^6 of the countries listed, which one had the largest population in ...

math
thank you

math

math

math
2,500

math
an astronomer estimated that a canyon on another planet was 2.5x10^3 kilometers long which is equivalent 25,000km 2,500km 0.025km 0.0025km please help

math
thank you

math
which equation is true? square root 8^2=4 square root 6^2=24 square root 5^2=5 square root 3^2=81 please help

math
thank you!!!

math
2500

math

Englidh
Like everyone else, I want to be well liked, but I will not (grovel,fluctuate)before public opinion when I am firmly convinced that it is wrong.

Maths
Is the sine, cosine and tangent using in right-angled triangles only?

Math
James wants to reserve a room at the party hall for his birthday. The deposit is \$175 and for 6 hours it cost \$625. What percent of the cost of the room is the deposit? Can someone show me how to work this problem out?

Math
James wants to reserve a room at the party hall for his birthday. The deposit is \$175 and for 6 hours it cost \$625. What percent of the cost of the room is the deposit?

Biology
Why do the nuclei of the human white blood cells turn blue in a prepared blood slide?

Chemistry
150 moles

Chemistry
In the equation 2 NaN3----2 Na + 3 N2// how much N2 would be produced if 100 grams of NaN2 completely reacted at STP?

Chemistry
Make NaCl from NaHCO3 and HCl-Starting with 3.0 grams of NaHCO3-what would be a source of error on yield of purity of NaCl and what modifications could be made?

Algebra
Find the hydrogen ion concentration of a saturated solution of calcium hydroxide whose pH is 13.3. (If you enter your answer in scientific notation, round the decimal value to one decimal place. Use equivalent rounding if you do not enter your answer in scientific notation.)

math

accounting
martin and company purchased a fixed asset on 1/4/2010 for £250000.depreciation is o be provided at 10% annually according to the straight line method. the books are closed on 31wst march every year. prepare fixed asset account and depreciation account for the first ...

Chemistry
Which element has an ion that is smaller than an ion of calcium?

math
thx

math
what is .69 repeating in its simplest form? I need help

algebra
A ball is thrown straight up from a rooftop 9696 feet high. The formula below describes the​ ball's height above the​ ground, h, in​ feet, t seconds after it was thrown. The ball misses the rooftop on its way down. The graph of the formula is shown. ...

Algebra
The force needed to keep a car from skidding on a curve varies inversely as the radius of the curve and jointly as the weight of the car and the square of the car's speed.Suppose that 400 pounds of force keeps a 1600-pound car from skidding on a curve of radius 800ft at ...

math 1149
For the triangle shown, find the length AD. (Assume u = 19, v = 19, Úx = 25‹, and Úy = 25‹. Round your answer to two decimal places.)

history
Examples of Afro-Asian ethnicities ?

Math
Five times the larger of two numbers plus four times the smaller is 271. Three times the larger less twice the smaller is 57. find the numbers

biology
the amount of energy needed to start two reactants to form a product is?

Algerbra
Find three cosecutive odd intrgers such that when twice the smallest is added to five times the largest the result is -253

hist/175
Do you think that the Korean War was merely a civil war in which the United States supported one side, or should it be considered an international war in which the United States used the United Nations to further its anticommunist policies? Why?

ps 27
The sum of two numbers is 120. If four times four times the smaller number is subtracted from the larger​ number, the result is 15. Find the two numbers.

Math
If the temperature is a minus eight degrees and rises four degrees every hour for four hours, what will the temperature be??

physics
A 5.4-kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 3.7 m/s2, find the force exerted by the rope on the bucket. N

physics
A 61-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 815 N. What is the acceleration of the elevator? m/s2 upward

physics
A bag of sugar weighs 3.00 lb on Earth. What would it weigh in newtons on the Moon, where the free-fall acceleration is one-sixth that on Earth? N Repeat for Jupiter, where g is 2.64 times that on Earth. N Find the mass of the bag of sugar in kilograms at each of the three ...

physics
A 5.4-kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 3.7 m/s2, find the force exerted by the rope on the bucket.

physics
A 61-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 815 N. What is the acceleration of the elevator? m/s2 upward

physics
A bag of sugar weighs 3.00 lb on Earth. What would it weigh in newtons on the Moon, where the free-fall acceleration is one-sixth that on Earth? N Repeat for Jupiter, where g is 2.64 times that on Earth. N Find the mass of the bag of sugar in kilograms at each of the three ...

physics
A brick is thrown upward from the top of a building at an angle of 35° to the horizontal and with an initial speed of 15 m/s. If the brick is in flight for 2.7 s, how tall is the building? (in m) could someone help me please!!!

physics
thank you so much DAMON i really appreciate you help i was stuck on this problem for houra. Thank you again. and what time do you tutor and what days.

physics
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 16.0 m/s. The cliff is h = 25.0 m above a flat horizontal beach, as shown in the figure below. How long after being released does the stone strike the beach below the cliff? s...

physics
A brick is thrown upward from the top of a building at an angle of 35° to the horizontal and with an initial speed of 15 m/s. If the brick is in flight for 2.7 s, how tall is the building?

pysics
for the first part i got 2.26 seconds, but for the: WHAT SPEED AND ANGLE OF IMPACT DOES THE STONE LAND? IM NOT GETTING THE RIGHT ANSWER FOR THE SPEED WITH THE CALCULATION IM GETTING -22.2M/S WHICH IS WRONG. AND SO IS THE ANGLE.

pysics
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 16.0 m/s. The cliff is h = 25.0 m above a flat horizontal beach, as shown in the figure below. How long after being released does the stone strike the beach below the cliff? s...

general chemistry
mercury has density of 13.53 g/mL. what is the mass of 345mL of mercury? D=13.53g/mL Mass=345mL 13.53/345=0.039217391 i just do not think i am doing this right

A brick is thrown upward from the top of a building at an angle of 35° to the horizontal and with an initial speed of 15 m/s. If the brick is in flight for 2.7 s, how tall is the building? in (m)

physics
A ball is thrown straight upward and returns to the thrower's hand after 2.00 s in the air. A second ball thrown at an angle of 40.0° with the horizontal reaches the same maximum height as the first ball. (a) At what speed was the first ball thrown? m/s (b) At what ...

Algebra
Thank you!

Algebra
Suppose that a constant force is applied to an object. Newton's Second Law of Motion states that the acceleration of the object varies inversely with its mass. A constant force acting upon an object with mass 12 kg produces an acceleration of 2m/s^2. The acceleration of ...

Algebra
Laura wants the average amount of money she spends in four days to be no more than \$64. On the first three days she spends \$71, \$62 and \$59. What is the greatest amount she can spend on day 4?

math
Tierra brought 4 3/8 yards of ribbon. 2 2/8 was blue and 1 2/8 was red. The rest of the ribbon was yellow. how many yards was yellow?

Mtn view
How many dimes & nickels make up 19.95?

Fraction, word problem
Karen has used 12 feet of ribbon for a project. This represents 3/8 of the total amount of ribbon. How much ribbon did she have at the start of her project?

Physics
If the velocity is given as v=t^2-2t+2 what is the acceleration when v=10m/s?

math
idek

Physics
A ladder ABC of length 20m is leaning against a wall at an angle from the horizontal. There is a roller at the top of the ladder that rests against the vertical wall. The coefficient of friction between the ladder and the horizontal surface at A is 0.5. Determine: (a) the ...

walden university
Which of the following is a temperamental characteristic that is associated with prosocial behavior? A. Low social anxiety B. Popularity among peers C. Coherent self-concept D. Intelligence

Math-Fractions
Abby baked 5 cherry pies. She wants to share them equally among 8 of her neighbors. How much of a pie will each neighbor get?

Math
6 students share 5 small pies equally

Math
Six neighbors share 4 pies equally. How much of a pie does each neighbor get?

Life Span Development
Which of the following is a temperamental characteristic that is associated with prosocial behavior? is B the correct answer A. Low social anxiety B. Popularity among peers C. Coherent self-concept D. Intelligence

Life Span Development
. Selena didn’t take the candy because she might get caught.

Life Span Development
As Selena and her friends are walking home after school they approach a corner store and see bags of candy and snacks on open shelves outside the front door. A young clerk is also outside waiting for customers. As they get closer, they see the clerk go inside the store. Selena...

Physics
If an object of mass 150kg is brought to rest by a supporting cable from a velocity of 20m/s in a time of 5s what is the tension in the cable during this stopping period?

chemistry
If the titration of a 30.0 mL sample of sulfuric acid requires 27.65 mL of 0.090 M sodium hydroxide, what is the molarity of the acid? H2SO4(aq)+2NaOH(aq)→Na2SO4(aq)+2H2O(l)

What was the outcome of the numbered treaties on the first nations? please give full answers thank you!!!

English
why is it considered a bad thing to oversimplify things? I would say that oversimplification is harmful as it can lead to error & cause one to undermine the importance & complexity of important issues. But I need some more ideas?

algebra
coffee shop plans to mix grage a cogge costing \$9.50/lb and grade b coffee costing &7 /lb to yield a 20lb blen costing \$8.50/lb. how many pounds of each to make the blend? a=b=20 9.5a+7b=170

Stats
charity sells \$6 raffle tickets first prizes to trace worth \$3,000 2nd prize of \$600 third prize is \$40 and fourth prize \$15 they sell 600 tickets what is the expected value

Math
a serving of cereal is 1 1/3 ounces. A box of cereal contains 20 2/3 ounces. How many servings does each box of cereal provide? Do not round. Give exact answer.

Math
idk

Math
Need help please. The reciprocal of .125 is what number?

Math
Bob is building a house. He has a piece of wood that measures 2 1/3 feet long. He cuts off 3/4 feet, how long is the measure now?

Math
a truck is carrying apple,mango,and grape juce and grape juice bottles in a ratio of 6:1:2. If there are 17 mango juice bottles, then how many grape juice bottles are there?

Math
thanks Ms. Sue.

Math
Please check my answer. Multiply the reciprocal of 4 1/2 by 8/9. My answer: 9/2 x 8/9 2/9 x 8/9 = 16/81

math
Phillip opened a savings account with an annual interest rate of 8% and an initial deposit of \$3500. If his interest is compounded quarterly, how much is in Jeffrey’s account after 2 years? Round your answer to the nearest cent. interest compounded quarterly: A equals P ...

Algebra
The perimeter of the triangle is 49 units. Find the value of y. Side A: y+3 Side B: 4y-2 Side C: 3y

Math Algebra
Thank you!

Math Algebra
TechWiz Electronics makes a profit of \$35 for each MP3 player sold and \$18 for each DVD player sold. Last week, TechWiz sold a combined total of 130 MP3 and DVD players. Let x be the number of MP3 players TechWiz sold last week. Write an expression for the combined total ...

Algebra
Thank you!

Algebra
The sum of the four angle measures of any convex quadrilateral is 360 degrees. Suppose that a convex quadrilateral has angle measures of 90, 10y+4, and 3y-2 degrees. Write an expression for the degree measure of the fourth angle.

algebra
a survey of 2,000 people was given to find their mode of transportation to work each day. the pie chart gives the results of people surveyed Bike 3.8% taxi 9.8% walk 3.4% bus 14.6% drive 68.4% how many traveled by bike to work?

algebra
A group of 1,200 people was surveyed to find their favorite choice of fruit. the pie gives results of people surveyed oranges 19.2% kwiw 16.2% bananas16.6% apples 30.2% other 12.8% of the people surveyed, how many prefer bananas?

Math
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Social Stu4dies
I LUV uuùuuuuuuu👄👄👄👄👄👄👄👄👄👄👄👄👄👄👄😉😃😃😃😃😃😃☺b

physics
A falling stone accelerates at a constant rate of 10ms^2. It is dropped from rest down a deep well and 3s later a splash is heard as it hits the water below.(1) How fast will it be moving as it hits the water? (2)What will be its average speed over the three seconds ? (3) how ...

chemistry
At what ph will Al(OH)3 begin to precipitate from a .10 M solution of AlCl3?

chemistry
150 mL of a solution contiains .00015 M NaI, .0055 M NaC, and .12 M Na3PO4. A solution of .10 M AgNo3 is slowly added. Who precipitates 1st, 2nd, and 3rd? When the last one to precipitate just begins to precipitate, what % of the other 2 anions are still remaining in solution?

chemistry
How many grams of Ca(OH)2 can be dissolved in 550mL of a .0500 M NaOH solution. Ksp - Ca(OH)2 is 5.5 x 10-5

chemistry
The nitrogen content of a .2476 g sample of a protein was determined by the Kjeldahl method. The NH3 produced with the whoosh was distilled into exactly 50.00mL of HCl in the receiving flask, which was in excess of the amount required to capture the ammonia gas. The excess HCl...

SOC 320
Which of the following is one of the stated reasons why government agencies and the bureaucracy are important players in iron triangles?

SOC 320 Public policies and Social services
Which of the following is one of the stated reasons why government agencies and the bureaucracy are important players in iron triangles?

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