# Posts by ryan

Total # Posts: 1,281

**Pre-Calculus 12**

Write the following expression as a single logarithm: 4 log 3 + 2

**algebra 1 **

find the sum: (-5) + (-5) + (+7) + (-2) please help its due tomorrow thanks

**algebra 1 **

tom has read 3/8 of the 480 pages in the book. how many pages are left to read? what is the ratio of pages read to pages not yet read? please help! due tomorrow

**algebra 1 **

how far will a migrating duck fly in 7 hours at the speed of 21 mph?

**algebra 1 **

the ratio of right handed to left handed students in the school was 3 to 14. if the total number in both categories was 714 how many right handed students were in the school? please help its due tomorrow! i totally forgot about the extra homework my teacher assigned.

**Chemistry**

Perpare 500ml of 1M HCl solution from a bottle of concentrated 37%(W/W) HCL stock with a density of 1.19g/ml. 37%= 37/100 x 100 therefore mass is 37g molarity = mol/vol 1= mol/0.5 mol=0.5 mass of Hcl needed = molxmr mass = 0.5 x 36.5 mass = 18.25g

**Physics**

What happens to a current-carrying wire that is located in a magnetic field? Does the orientation (angle) of the wire make a difference? Explain.

**Physics**

A wasp accumulates 1.0x10^-14C of charge while flying perpendicular to the earth's magnetic field of 4.0X10^-5T. How fast is the wasp flying if the magnetic force acting on it is 3.0x 10^-16N?

**Physics**

Evelyn wears glasses whose wire frames are shaped like to circles, each with an area of 8.0x10^-4 m^2. The horizontal component of the earths' magnetic field in Evelyn's hometown is 3.9x10^-5 T. If Evelyn turns her head back and forth, rotating it through 90degrees ...

**Math**

Ok 8 -8 and 4 - 8 then 4x = -4 Ok The answer is C thank you for the help!!

**Math**

That is not a answer choice though

**Math**

I need help solving the problem not the answer. (Multiple Choice) The steps below show the incomplete solution to find the value of x for the equation 7x + 8 ? 3x = ?6 + 10: Step 1: 7x + 8 ? 3x = ?6 + 10 Step 2: 7x + 8 ? 3x = 4 Step 3: 4x + 8 = 4 Which of these is most likely ...

**Mathematics**

The eighth term of an arithmetic series is twice the third term. The sum of the first eight terms are 39.Calculate the first term. Please help i've been stuck for hours on this question

**Maths**

The eighth term of an arithmetic series is twice the third term. The sum of the first eight terms are 39.Calculate the first term. Please help

**physics**

i got it bob thanks lol should be 490J!!

**physics**

122.5J ? when your saying work is equal to the PE gained. does that mean its 490j??

**physics**

so would it look like this 490= f x 2.0 245J ??

**physics**

a box with a mass of 25kg is lifted (without acceleration) through a height of 2.0m, in order to place it upon the shelf of a closet. The value of acceleration due to gravity g= 9.8ms^2 How much work is required to lift the box to this position? i figured out the potential ...

**english **

What are (desire lines) according to tim cresswell place?

**Vectors**

Write a second symmetric equation for the following line, given the point on the line A(0, 5, -1/2) (x-2)/4= (y-4)/-2 = z Would it not be x/4 = (x-5)/-2 = z+1/2

**Math**

How long will it take to fill 6 similar tanks completely with water? Give your answer in hours and minutes

**Trig**

It looks like a communication question

**Trig**

Let n be a fixed positive integer. Describe all solutions of sin(n theta) = 1/2 I know that the solutions would be (?/6)/n+(2?x)/n and (5?/6)/n+(2?x)/n ? How do I 'describe'

**Math**

Parallelogram ABCD is inscribed in a circle. Then, the measure of angle A must be 90?

**Math**

Julie has 8 more than three times as many quarters as dimes. The total value of the coins is $12.20. How many of each kind of coin does she have?

**Social Studies**

Dang if i knew this i would give u the anwsers

**math**

what is the strategy of 12 were bought by Logan 1/3 was choc.chip 1/3 was sugar 1/3 was peanut butter how many of each kind of cookie did logan buy

**math**

Alex Hurry Guys what strategy was used

**MATH**

Logan bought 12 cookies 1/3 was choc chip 1/3 was sugar and 1/3 was peanut butter How many of each kind of cookie did Logan buy

**Algebra**

The difference between 5 times a number and 20 equals the sum of the number and 40. Find the number

**Stoichiometry**

Suppose you wanted to add just enough 0.40M calcium chloride solution to 75.0mL of 0.60M of sodium carbonate solution for all of the sodium carbonate and calcium chloride to react. B) what mass of calcium carbonate would be produced (assuming a 100% yield)

**Stoichiometry**

B) what mass of calcium carbonate would be produced assuming a 100% yield?

**Stoichiometry**

Thanks

**Stoichiometry**

Suppose you wanted to add just enough 0.40M calcium chloride solution to 75.0mL of 0.60M of sodium carbonate solution for all of the sodium carbonate and calcium chloride to react. a) What volume of 0.40M calcium chloride solution would be required?

**Algebra 1 A**

$0.20x + $2.30y - $1.00z < $100

**Stoichiometry**

How do I find theoretical amount that should have formed or CaCl2?

**Stoichiometry**

It would be CaCl2

**Stoichiometry**

Which one is the limiting reactant if 0.0453 moles of sodium carbonate was used and 0.0216 moles of calcium choloride was used? Balanced Eq. Na2CO3 + CaCl2 = CaCO3 + 2NaCl

**Chemistry**

Carbohydrates (such as C6H12O6) undergo combustion with oxygen to produce carbon dioxide and water. Living things use this reaction (a process called respiration) to produce energy. Determine the mass of carbohydrates consumed for every 0.300 mol of oxygen gas consumed during ...

**Chemistry**

Carbohydrates (such as C6H12O6) undergo combustion with oxygen to produce carbon dioxide and water. Living things use this reaction (a process called respiration) to produce energy. Determine the mass of carbohydrates consumed for every 0.300 mol of oxygen gas consumed during ...

**Math**

50-p= Leonora score

**Chemistry**

I need help with this, but nobody has answered yet

**Chemistry**

Carbohydrates (such as C6H12O6) undergo combustion with oxygen to produce carbon dioxide and water. Living things use this reaction (a process called respiration) to produce energy. Determine the mass of carbohydrates consumed for every 0.300 mol of oxygen gas consumed during ...

**Physics**

A block that has a mass of 0.0190 kg and a block that has a mass of 2.00 kg are attached to the ends of a rope. A student holds the 2.00-kg block and lets the 0.0190-kg block hang below it; then he lets go. Air resistance can be neglected. 1)What is the tension in the rope ...

**Math**

A game is played using one dice. If the dice is rolled and shows 1, the player wins $1; if it shows 2, the player wins $2; if it shows a 3, the player wins $3. If the die shows 4,5,or 6 the player wins nothing. a.) If there is a charge of $1.25 to play the game, what is the ...

**English**

Which did Anton have more allegiance to: his caste of genetically enhanced beings or his brother?

**English**

Thanks

**English**

Why is the society in Gattaca so devoid of happiness, vitality and fun?

**Chemistry**

First you need to finish the equation. It is a combustion reaction and the formula for methane is CH4. Once you have balanced it you can use cross multiplication to find the answer.

**Biology**

Thanks

**Biology**

What are 2 advantages for binary fission in bacteria?

**chemistry**

Ok now you need to find the molar mass of the hydrate. Then you divide the hydrate by the molar mass which is 250.5g/mol

**Chemistry pH, acids, and bases**

Thanks!

**Chemistry pH, acids, and bases**

Trichloroacetic acid (CCl3CO2H) is a corrosive acid that is used to precipitate proteins. The pH of a 0.050 M solution of trichloroacetic acid is the same as the pH of a 0.040 M HClO4 solution. Calculate Ka for trichloroacetic acid. I just don't know where to start. How ...

**SS Checj My ANSWERS Please**

i like cats is right

**SS**

1. B

**Physics**

A 1200 kg car rounds a curve of radius 71 m banked at an angle of 11°. What is the magnitude of the friction force required for the car to travel at 82 km/h? My physics optional extra work: This would be helpful so I can compare the solutions here as I do the work by myself.

**Physics**

A 0.79 kg ball is connected by means of two ideal strings to a vertical, rotating rod. The strings are tied to the rod and are taut. The upper string is 29.0 cm long and has a tension of 29.7 N, and it makes an angle θ2 = 64.0° with the rod, while the lower string ...

**Physics**

The earth rotates once per day about an axis passing through the north and south poles, an axis that is perpendicular to the plane of the equator. (a) Assuming the earth is a sphere with a radius of 6.38 106 m, determine the speed of a person situated at the equator. (b) What ...

**Physics**

The earth rotates once per day about an axis passing through the north and south poles, an axis that is perpendicular to the plane of the equator. (a) Assuming the earth is a sphere with a radius of 6.38 106 m, determine the speed of a person situated at the equator. My ...

**Physics**

A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.70 × 104 m/s, and the radius of the orbit is 5.80 × 106 m. A second satellite also has a circular orbit around this same planet. The orbit of this second satellite has a ...

**Physics**

Tarzan plans to cross a gorge by swinging in an arc from a hanging vine (see Fig). If his arms are capable of exerting a force of 1200 N on the rope, what is the maximum speed he can tolerate at the lowest point of his swing? His mass is 84 kg and the vine is 4.8 m long. My ...

**Physics**

Speedboat (A) negotiates a curve whose radius is 115 m. Speedboat (B) negotiates a curve whose radius is 240 m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of the boats? My physics optional extra work: This would be helpful so...

**Physics**

A hockey puck of mass m = 70 g is attached to a string that passes through a hole in the center of a table, as shown in the figure below. The hockey puck moves in a circle of radius r = 1.20 m. Tied to the other end of the string, and hanging vertically beneath the table, is a...

**Physics**

My physics optional extra work: This would be helpful so I can compare the solutions here as I do the work by myself. Question: A car enters a circular flat curve with a radius of curvature of 0.20 km with a maximum speed of 135 km/h. If the friction between the road and the ...

**Government**

ms sue you don't help much i hate to be a jerk.

**math**

How do you make this this true? 26 = 5 + 3 squared - 6 x 7 22 = 5 + 3 squared - 6 x 7 406 = 5 + 3 squared - 6 x 7

**SS**

i can confirm animegirls answers are right

**Physics**

A ball is rolling on a table with a horizontal velocity of 5 m/s when it rolls off the edge. How far from the base of the table does the ball land in the table is 0.8 m tall?

**HOME AND FAMILY**

IDENTIFY AT LEAST FOUR CARESS FOR EACH AREA

**Science**

Assume that a spacecraft can travel at the speed of 100,000 km, how many days will it take to get from Earth to Mars?

**Social Studies (Check my answers)**

Bs incorrect.

**Math**

How many sets of 3 primes sum to 20?

**Math**

A number has three distinct digits. The sum of the digits equals the product of the digits. How many three-digit numbers satisfy this condition?

**Math**

An old book listed that 72 turkeys were bought for $\$\square.\square\square$ each, at a total cost of $\$\square 67.9\square.$ What was the cost of each turkey, if each $\square$ stands for a digit that was unreadable in the old book? Note: The $\square$ digits are not all ...

**Communication Arts**

Georgia O'Keefe was an American painter from Wisconsin whose detailed close-ups of flowers brought her world renown. This is the correct answer.

**science**

12

**English**

D is the answer

**physics**

an elevator weighs 8000N. It leaves the main floor and arrives to the 15th floor which is 45 meters high. How much work was done by the motor

**Physics**

The quarterback of a football team gets off a perfect pass at an angle of 30 degrees with the horizontal. His receiver gathers it in 12.2m downfield from the passer at the same height above ground as the passer's throwing hand. a. What was the ball's velocity as it ...

**English**

thank you guys so much

**English**

Ok so one is a two is also a three is a and four is a also so they are all a correct?

**English**

Choose the word that best completes the sentences. One of the girls left _____ tennis shoes in the gym a. her b. hers c. their d. them I think its it A but it could also be c the best player to watch is ______ a. she b. her c. him d. me this one confuses me because it could be...

**political science**

Which of the following is NOT a component of judicial review? The supremacy of local laws when they conflict with national laws or treaties. The power of the courts to declare national laws invalid if they violate the Constitution The supremacy of national laws or treaties ...

**political science**

can i get help with this one or not?

**political science**

my guess was the 2nd one

**political science**

On the spectrum of international ideologies, what group is most likely to oppose other nations monitoring human rights conditions in the U.S., and favor national tariffs, import quotes, and government subsidies to national businesses? International Communitarians International...

**math**

Your recipe calls for 3eggs and 7cups of sugar I have 18eggs and 40cups of sugar how many cakes can I make

**Physics**

An archer puts a 0.29 kg arrow to the bow- string. An average force of 224.8 N is exerted to draw the string back 1.44 m. The acceleration of gravity is 9.8 m/s2 . Assuming no frictional loss, with what speed does the arrow leave the bow? Answer in units of m/s.

**Calculus**

Bob, is there anyway you can show work. Sorry forgot to ask

**Calculus**

An equation of the line with slope -1 that passes through the point (2,5) is y=-x+7

**Language Art, please check!**

What were your answers

**Math/Geometry**

what is the answer to the question find the volumne of a composite figure with a square and cylinder with all its measurements 8 ft. rtound to the nearest tenth.

**Technology**

What are your answers

**Math Help Please!**

is that the final answer?

**english**

Which of the following is a subordinate clause?

**Geometry Honors**

On the bridge of a ship at sea, the captain asked the new, young officer standing next to him to determine the distance to the horizon. The officer took pencil and paper, and in a few moments came up with an answer. On the paper he had written the formula d = 3.6 square root h...

**Geometry Honors**

Boat 1 and boat 2, traveling at constant speeds but not necessarily the same speed, depart at the same time from docks A and C, respectively, on the banks of a man-made circular lake. If they go straight to docks D and B, respectively, they will collide. Prove that if boat 1 ...