Louis

Akite is 15m up in the sky. The angle the string makes with the ground is 50 degrees. How long is the kite string?

18 years ago

I'm in gr 11 doing Trigonometry 14.2 = b ---- ---- sin38 sin 67 a = 46 --- ---- sin20 sin130 (10.7)^2 = (9.5)^2 + (12.4)^2 - 2(9.5)(12.4) cos <B I just need someone to explain this to me because I just don't get it... thank you for any help

18 years ago

a rectangular mural is painted on a wall. if the mural is 12ft wide and covers 86.4sqft,what is the height of the mural?

17 years ago

Air is composed of nitrogen, oxygen, argon, carbon dioxide, and other gasses. How may air be best described? a) a compound b) a mixture c) a solution d) an alloy e) an amalgam

17 years ago

Carbohydrates, protains, and ____________ are the macronutrients. a) Lipids b) vitamins c) antioxidants d) minerals

17 years ago

in the simple economics of a competitive market price increases under which condition: a) demand is constant. supply declines b) demand decreases. supply increases c) demand and supply rise concomitantly d) demand and supply decline concomitantly

17 years ago

Describe any current or past news events related to wage inequality in the steel industry

17 years ago

What is the chemical composition of ozone, carbon dioxide, salt and water

16 years ago

Is it possible to share a four fingered Kit Kat equally between 5 people if you can only break any one piece in half? Prove whether it is possible or impossible.

16 years ago

Two boys on skates push off from each other. The 40 kg boy moves to the left at 10 m/s. If the other boy moves to the right at 8 m/s, what is his mass?

13 years ago

An object experiences an impulse, moves and attains a momentum of 200 kg m/s. If its mass is 50 kg, what is its velocity?

13 years ago

1 2/4 + 1/3 =

16 years ago

Is this a good thesis statement for an essay? If not, how should it be? In To Kill a Mockingbird, the auther Harper Lee chooses the protagonist Scout to be the narraotr of her novel because she is young, innocent and the narration is written in her adult...

15 years ago

How many grams of gaseous required? If 0.260 mol of solid C and 20.0 g of solid TiO2 are reacted stoichiometrically according to the balanced equation, how many grams of gaseous Cl2 are required? 3TiO2(s) + 4C(s) + 6Cl2(g) → 3TiCl4(l) + 2CO2(g) + 2CO(g)

15 years ago

what is the balanced equation of: Combination reaction: Li2O(s)+H2O(l)-->(?) I know what a combination reaction is but I don't know how to do it when it is complex like this one.

15 years ago

History of social studies in britain

15 years ago

Suppose you have a sample of potassium feldspar from a rhyolite and you measure the ratio of atoms of 40Ar to 40K of 0.024 to 1, or for every 10000 atoms of 40K you find 240 atoms of 40Ar. For this problem, consider the decline of 40K from an initial valu...

14 years ago

if i have a molar concentration of acetic acid.046 mol/L how do i get the calculated molar mass of acetic acid

14 years ago

What is the pH when 25 mL of .20 M CH3COOH has been titrated with 35 mL of .10 M NaOH?

14 years ago

The difference between the x-coordinates of two points on the parabola y^2=4ax is fixed at 2k. Find the equation that describes the position(xp, py)of the point of intersection P of the tangents at the two points. The equation is in the form yp^2=f(xp). H...

14 years ago

Some spacecraft design uses a solar sail made of aluminized plastic. As sunlight reflects off the sail, radiation pressure drives the spacecraft outward away from the sun. a. If the sail material has a density of 600.0 kg/m3, what is the maximum thickness...

14 years ago

find x for a triangle that has 100 degrees and 47 degrees.

14 years ago

How do the differences and/or similarities between speech and poetic form affect the experience "In Memoriam"

14 years ago

I don't understand the steps for doing synthetic division in college algebra

14 years ago

Find the 20th digit of 1.8984375E-20

14 years ago

Need help solving this problem. A 0.188g sample of unknown metal, X (s), produced 71.4ml of hydrogen gas when reacted with HCl according to the equation: X(s)+2HCl(aq)--> XCl2(aq)+H2(g) The gas was collected over water at 23 degrees C. The levels of water...

14 years ago

A piece of Na metal undergoes a complete reaction with H2O (l0 to produce sodium hydroxide and hydrogen. If 24.0 g of Na in a 3.50 L container is reacted with an excess amount of water at 25 degrees Celsius, calculate the total pressure (in atm) in the 3....

14 years ago

Nickel metal reacted with oxygen: Ni (s) + O2 (g) --> Ni2O3 (s). 95.00g of Nickel is reacted with 2.000L oxygen at 10.56 atm and 30.00 degrees Celsius. At the end of the reaction the pressure was reduced to 7.56 atm at the same temperature and volume. How...

14 years ago

A 185.325 g sample of a compound of carbon, nitrgoen and hydrogen is burned completely. Calculate the empirical formula if 225.0 g of water and 230.0 g of NO2 is formed. In another experiment the sample was found to have a density of 10.9 g/L at 1.20 atm...

14 years ago

Helium gas is added to a 2.00 L container at 23 degrees Celsius containing Neon and Argon with a pressure of 725.3 mm Hg, what is the mass of Nitrogen added if the pressure is increased by 50%.

14 years ago

A person walks 28.2◦ north of east for 3.33 km. Another person walks due north, then due east to arrive at the same location. How far due north would this person walk?

14 years ago

An airplane flies 137 km due west from city A to city B and then 412 km in the direction of 46.5◦ north of west from city B to city C. What is the distance between city A and city C? Relative to city A, in what direction is city C? Answer with respect to d...

14 years ago

A truck travels beneath an airplane that is moving 120 km/h at an angle of 24◦ to the ground. How fast must the truck travel to stay beneath the airplane?

14 years ago

A descent vehicle landing on the moon has a vertical velocity toward the surface of the moon of 35.4 m/s. At the same time, it has a horizontal velocity of 57.2 m/s. At what speed does the vehicle move along its descent path? At what angle with the vertic...

14 years ago

We made t-pentyl Chloride in Lab today using HCl and t-pentyl alcohol. I know t-pentyl chloride is not soluble in water, but I'm still not sure the answer to some of my post lab questions. I've answered a few, but I have 3 that still confuse me. We perfor...

14 years ago

Assume: A 78 g basketball is launched at an angle of 56.8◦ and a distance of 10.4 m from the basketball goal. The ball is released at the same height (ten feet) as the basketball goal’s height. A basketball player tries to make a long jump-shot as describ...

13 years ago

Two faucets can fill a tank in 1 hour and 20 minutes. The first faucet takes more than two hours longer to fill the same tank when functioning without the second tap. How long does it take to fill each one separately? Explain your solution

13 years ago

a spacecraft is traveling in space fa from any planets or stars. How much force is required to maintainthe spacecraft's speed?

13 years ago

Determine the work done by force f=[1,4] in newtons for an object moving along the vector d =[6,3] Okay i found the vector equation and then the parametric and now i have no clue what do please help :)

13 years ago

I saw a similar post earlier. I also want to see who has better memory out of men and women. I was thinking of testing ability to remember a series of simple objects or number sequences. Could I use chi-squared, HOW could I use it? Any other sophisticated...

13 years ago

1.My family went to starbucks. My daughter and myself ordered drinks that were the same price. My son's drink was 5.00 dollars more than my drink. The total bill was $18.50. How much was each drink? 2.There were candies on the table. Andy grabbed 50% of t...

12 years ago

1 litre can of paint covers 11m squared. How many cans of paint would you need to cover a perfectly square ceiling that has a side length of 5.2 m? If paint caosts $29.95 per can and there is a 12% tax. How much would it cost to paint the ceiling?

12 years ago

REMEMBER WHEN I POSTED THIS QUESTION. 1 litre can of paint covers 11m squared. How many cans of paint would you need to cover a perfectly square ceiling that has a side length of 5.2 m? If paint caosts $29.95 per can and there is a 12% tax. How much would...

12 years ago

Let be the center of the circle , and be a point outside of circle . is tangential to at , and intersects at . If and , what is the radius of .

12 years ago

Why is the salary of a production worker capitalized while the salary of a marketing manger expensed?

12 years ago

what are some health risks of copper to humans? what are the environmental riks of copper? what are the benefits of copper to the industry, economy, and society? what are all the organisms that are affected by copper? what is meant by the term Bioaccumula...

12 years ago

what are the benefits of copper to the industry, economy, and society? what are all the organisms that are affected by copper? what is meant by the term Bioaccumulation? Include the names of any organisms that are affected and how they are affected by cop...

12 years ago

The specific heat of a certain type of metal is 0.128 J/(g·°C). What is the final temperature if 305 J of heat is added to 53.3 g of this metal initially at 20.0 °C?

12 years ago

how might the shape of the hairlike structures relate to their function? Thanks.

12 years ago

I have a few questions that i need help with so can someone pleese help me thanks:) 1. represent each with an ineqaulity a.) time spent on the activity can be at most 13 mins b.) the volume of the container must be a minimum of 1.8 L and a max of 2.5 L 2....

12 years ago

I posted these questions earlier but noone answered them and i really need help so can someone help me. 1. represent each with an ineqaulity a.) time spent on the activity can be at most 13 mins b.) the volume of the container must be a minimum of 1.8 L a...

12 years ago

I posted these questions earlier a lot of times but noone answered them and i really need help so can someone help me. i don't want all the answers, can someone just do like the first 2 so i get an example of how to do them. thanks 1. represent each with...

12 years ago

A ball is thrown at 19 m/s at 41° above the horizontal. Someone located 30 m away along the line3 of the path starts to run just as the ball is thrown. How fast, and in which direction, must the catcher run to catch the ball at the level from which it was...

12 years ago

A baseball is hit at a height of 1.1 m with an unknown initial velocity at 38 ° above the horizontal. It just clears a barrier of height 36.1 m at a horizontal distance of 63.0 m. Find: a) the initial speed;

12 years ago

Your hole punch makes holes in your that have diameter of 4^-1 inch. a.Write an expression for the area of one punched hole. Use the formula for the area of a circle A=:r^2. (: is pi sign) b.Your hole punch makes three holes in a page . Write an expressio...

11 years ago

Say you have two substances, A and B. A has a melting point of 300 degrees Celcius, while B has a melting point of 200 degrees Celcius. If you took a mixed melting point where the ratio of A is higher than B, what would the melting range look like? Would...

11 years ago

A football is thrown from the edge of a cliff from a height of 22 m at a velocity of 18 m/s [39degrees above the horizontal]. A player at the bottom of the cliff is 12 m away from the base of the cliff and runs at a maximum speed of 6.0 m/s to catch the b...

11 years ago

a spherical balloon is filled with water. if the water is leaking out at a rate of 2 cm^3/min, find the rate at which the radius is changing when the volume is v=1000cm^3?

11 years ago

Lyle is putting his videotapes on a shelf.the shelf is 12 inches long.if each videotape is 1 1/2 inches wide,how many videotapes can he put side by side on the shelf?

11 years ago

Find all solutions of the equation in the interval [0, 2pi). Show all work. sin(x+(pi/6))-sin(x-((pi/6))=1/2

10 years ago

16. A picture of a star has 6 identically matched points. What is the least number of degrees that you can rotate the star onto itself? (1 point) 60° 120° 180° 240 How do i figure this out?

10 years ago

A daring 510-N swimmer dives off a cliff with a running horizontal leap. What must her minimum speed be just as she leaves the top of the cliff so that she will miss the ledge at the bottom, which is 1.75 m wide and 9.00 m below the top of the cliff?

10 years ago

So I solved this problem but, strange as it sounds, I don't know how to do the work. Here's the question: One number is eight less than another number. The sum of the numbers is eighty. Find both numbers. Here's what I've got: y-8=x x+y=80 x=36 y=44 I won...

10 years ago

Entrepreneurs in the shoeshine stand business earn 11000 a year Joe pays the rent of 500 a year and his total revenue is 16000 a year.he borrowed 600 at 20 percent a year to buy equipment.at the end of the year Joe offered 400 for his business and all his...

9 years ago

Solve for x 2 (3+x)= 5x+54

9 years ago

Solve each equation. Write each equation in simplest form. -6q + 5.8 = 23.8 A q = 3 B q = -3** C q = 1.83 D q = 4.93

9 years ago

Solve the equation. 1. y-5/3 =1 A -2 *** B 8 C 18 D 6 2. 6x + 29 =5 A -4 B -18 ** C 204 D -144

9 years ago

Combine like terms: 1. -21a + 16a A -5a B 5a C 37a D -37a** 2. 5 (x + 10) + x A 6x + 15 ** B 5x + 15 C 6x + 50 D 4x - 50

9 years ago

Why are there so many bronchioles in the body?

9 years ago

Draw only the different stereoisomers for the following compounds: a) 2,4-diiodohexane b) 1-s-butyl-3ethylcycloheptane

8 years ago

Draw all the possible conformations for the following compounds and rank their stability (#1 least stable). a) 3-chloro-2-methylpentane rotating between c-3 and c-4 b) 1-cyclopropyl-2-flurocyclohexane

8 years ago

Evaluate the integral: the integral of the cube root of x, dx. a. (3/4)x^(4/3)+C b. (3/2)x^(2/3)+C c. 1/(3x^(2/3))+C d. None of these I got (3x^(4/3)/4)+C. I was wondering if it would be D.

8 years ago

The base of a solid in the xy-plane is the circle x^2+y^2 = 16. Cross sections of the solid perpendicular to the y-axis are semicircles. What is the volume, in cubic units, of the solid? a. 128π/3 b. 512π/3 c. 32π/3 d. 2π/3

8 years ago

The region in the first quadrant bounded by the x-axis, the line x = π, and the curve y = cos(cos(x)) is rotated about the x-axis. What is the volume of the generated solid? a. 1.921 b. 3.782 c. 6.040 d. 8.130

8 years ago

Determine if the Mean Value Theorem for Integrals applies to the function f(x) = x^3 − 16x on the interval [−1, 1]. If so, find the x-coordinates of the point(s) guaranteed to exist by the theorem. f(a)=15 f(b)=-15 f'(x)=3x^2-16 f'(c)=-15 I am now lost fr...

8 years ago

In a given city there are 28 reporters of which 16 are men. If the committee of 4 reporters is to be formed A. How many different committees can be formed? B. How many different committees contain 3 men? C. How many different commitrees contain at least 2...

7 years ago

Determine the number of different six letter arrangements that can be formed with the letters GUIDEPOST if the last two letters must be vowels?

7 years ago

Using a standard deck of 52 cards how many 5 card hands contain A. 2 queens? B. 3 fives? C. At most 2 sevens? D. One pair and one three of a kind?

7 years ago

The trigonometry practice exam has 6 questions with the answer A 8 questions with the answer Baby 10 questions with the answer C and 9 questions with the answer D The number of different answer keys that can be created with the letters above is A. 2.27 ×...

7 years ago

A pizza company has 15 toppings to choose from A. One topping is anchovies. How many different 3 topping pizzas do not include anchovies? B. There are 6 vegetable toppings. How many different 3 topping pizzas have no vegetables? C. How many different 3 to...

7 years ago

A cylindrical blood vessel is partially blocked by the buildup of plaque. At one point, the plaque decreases the diameter of the vessel by 52.0%. The blood approaching the blocked portion has speed v0. Just as the blood enters the blocked portion of the v...

5 years ago

What do the learning approaches to personality all have in common?

4 years ago

A car start from rest and accelerate uniformly until it reaches a velocity of 30m/s after 5sec .it travels with uniform velocity from 15sec and is then brought to rest in 10sec with a uniform retadiation determining 1.acceleration of the car 2.the retadia...

3 years ago

Mia will use one of these boards for the length of the shelter. She knows she wants the length of the shelter to measure 3.25 feet. She will use a different board for the width of the shelter. The width of the shelter will be shorter than the length A. Wh...

2 years ago

For the roof of the shelter, Mia has a board that measures 1 square yard, a second board that measured 3 feet by 3 feet, and a third board that measures 36 inches by 36 inches. 1ft. =1/3 yard. Which of the Boards,if any, will cover all the space needed fo...

2 years ago

Can roger use the 8-liter bowl to mix all the ingredients for the punch?

2 years ago

If roger can use the bowl, how many liters of liquid could still fit? If he cannot use the bowl, how many extra liters of liquid are there?

2 years ago

From what I understand of this question if you keep breaking it in half you get: 4, 8, 16, 32, 64 etc. Which is 2^n+1 I'm just not sure where to go from there...

16 years ago

please solve -20+2h=20

15 years ago

Equilateral triangle symmetrical about the y-axis means that the two sides which are the tangents have gradients -√3 and +√3. y' = -2x So the points of contact of the tangent to the parabola are (-√3/2, 9/4) and (√3/2, 9/4). Hence we can calculate the x a...

14 years ago

The absolute value of x is always positive; so is the square. So the shape will remain invariant under this transformation, and so will be its position.

14 years ago

Since the two tangents are mutually perpendicular and intersect on the y-axis they have gradients 1 and -1 The gradient function is y = 6x Hence x = 1/6, -1/6 So y = 1/12 both times So the coordinate of the intercept can be calculated using the equation o...

14 years ago

You may find it simpler to rotate the curve and the line a quarter turn anti-clockwise around the origin. This gives y = x^2/4 and y = 1/2x + 2 They intersect at x = -2 and 4. Find the definite integral over the interval (-2, 4) of 1/2x + 2 - x^2/4. This...

14 years ago

If a sample of oxygen-15 has an activity of 8000 becquerels, how many minutes will elapse before it reaches an activity of 500 becquerels?

14 years ago

How about from top to bottom?

13 years ago

Hold it! im going to try this myself but i want someone to check if i did it right: 5.2 x 5.2 = 27.04 11 x 3= 33 You would need 3 cans of paint. 27.04 x 3 = 81.12 ok now im stuck... how do you do this part::If paint caosts $29.95 per can and there is a 12...

12 years ago

OOPS oh so is this how you do it:: 29.95 x 3= 89.85x 1.12 = $100.632 i just have one question: where did the 1.12 come from?

12 years ago

oh ok thank you:)

12 years ago

i have the first 2 but not the rsest please help me

12 years ago

prokaryotes and eukaryotes

12 years ago

I can't find the answer. What is it? Thanks again!

12 years ago

Thanks but i already did them all cause noone was helping

12 years ago

-5-(15y-1)=2(7y-16)-y

11 years ago

Thank you it help a lot

11 years ago

300

10 years ago

5/7*sin(30)

10 years ago

1-c 2-b 3-b 4-d 5-b 6-a 7-d

9 years ago

A. 16 B. 12 C. -12 D. -16

9 years ago

the first one is a fraction

9 years ago

is 1 c and 2 b

9 years ago

Isolated family farms

8 years ago

c=1/2s

8 years ago

Thanks, Steve. I was afraid that was the case.

8 years ago

june 11

8 years ago

This answer is correst

7 years ago

B 10 questions***

7 years ago

I did D and got %0 C C

7 years ago

The answers depend on which school your in

7 years ago

i did CCB and got %36.7 i failed

7 years ago

its BBB if its chapters 23-25

7 years ago

but i got %0....

7 years ago

i did DCC on the wrong test XD sorry i got %100 on the chapter 26-19 test

7 years ago

so yes its %50 %50 you will win so 10

7 years ago

Nothing. Rate constants are constant for a given reaction temperature, and vary as temperatures change.

4 years ago

Hi guys ! Answers for Lesson 6: Forms of Quadratic Functions is... 1. C 2. C 3. A 4. B 5. D 100%!

4 years ago

Hi guys. As of September 2021 here are the right answers! 1. C 2. B 3. D 4. A 5. B

4 years ago

Here are the answers as of September 2021 :) 1. B. 2. A. 3. D. 4. B. 5. D. 6. B. 7. D 8. C

4 years ago

Furniture

3 years ago