# Posts by x

Total # Posts: 106

**maths**

If sin theta is 8÷17;cos beta is 9÷41 where theta is obtuse and beta is acute. Find sin(theta + beta)

**Math**

Here is each case, with the values in this order: Price, mugs sold, profit per mug, Total profit 4 -- 60 -- 1.50 -- 60 x 1.5 = 90 4.5 -- 54 -- 2 -- 54 x 2 = 108 5 -- 48 -- 2.5 -- 48 x 2.5 = 120 5.5 -- 42 -- 3 -- 42 x 3 = 126 6 -- 36 -- 3.5 -- 36 x 3.5 = 126 6.5 -- 30 -- 4 -- ...

**Algebra**

1. The length of a rectangle is twice its width. The perimeter of the rectangle is 24 inches. Write a system of equations in 2 variables. Use substitution to solve the problem. A. Equation 1: L = 2W L= 2(4) = 8 Equation 2: 2L + 2W = 24 2(2W) + 2W = 24 6W = 24 W = 24/6 = 4 (i ...

**Math**

The equation of line joining the point (3,5) to the point of intersection of the lines {4x+y-1=0} and {7x-3y-35=0} is :

**math**

So B s correct answer?

**Math**

After solve a function I get these X>_-1(greater than equal to) X>_3 & X>_2?what will be it's domain?

**maths**

There is no need for you to say 'Clearly'. However, thank you for the answer.

**maths**

Carlos is laying concrete to make the floors of two rooms. The dimensions of the rooms are shown below. He needs to use 0.1m3 of concrete to make 1m2 of floor. The concrete will cost £65 per m3. How much will it cost to buy enough concrete for the floors? (Rectangle ...

**Mechanical Behavior on Materials / math**

somebody can help me?

**Chemistry**

Propane gas (C3H8) burns completely in the presence of oxygen gas (O2) to yield carbon dioxide gas (CO2) and water vapor (H2O). Write a balanced equation for this reaction. Assuming that all volume measurements occur at the same temperature and pressure, how many liters of ...

**ENGLISH**

I am both a quick worker and careful.

**ENGLISH**

I want to either study or to work abroad after I graduate.

**ENGLISH**

Either you can eat or talk, but you can't do both at the same time.

**ENGLISH**

The space shuttle was both a marvel and huge.

**ENGLISH**

My sister Aliah is both a comic and smart.

**ENGLISH**

According to some economists, neither high unemployment nor large deficits will keep the economy from rebounding.

**ENGLISH**

I expect a friend to be both honest and a loyal person.

**ENGLISH**

You should do either your homework or practice your clarinet.

**ENGLISH**

Either you're with us or against us.

**english**

Lots of my friends think that Prince's music is old, but I think it's not only excellent but also an innovation.

**english**

The racehorse Boundless was not only fast but also beautiful.

**english**

The space shuttle was both a marvel and huge.

**ENGLISH**

I am both a quick worker and careful.

**ENGLISH**

Fire can be either friendly or a foe, depending on the situation.

**ENGLISH**

I expect a friend to be both honest and a loyal person.

**ENGLISH**

My sister Aliah is both a comic and smart.

**ENGLISH**

I want to either study or to work abroad after I graduate.

**ENGLISH**

Either you can eat or talk, but you can't do both at the same time.

**stats**

the weights of the fish in a certain lake are normally distributed with a mean of 17 lb and a standard deviation of 12. if 16 fish are randomly selected, what is the probability that the mean weight will be between 14.6 and 20.6 lb?

**english**

Lots of my friends think that Prince's music is old, but I think it's not only excellent but also an innovation.

**english**

I want to either study or to work abroad after I graduate.

**english**

The road home is both icy and curvy, so be careful!

**english**

I want to either study or to work abroad after I graduate.

**english**

Either you're with us or against us.

**english**

The racehorse Boundless was not only fast but also a beauty.

**Chemistry**

Dr. Bob, Can you explain this one please? Feel free to use made up numbers. I'm not looking for an answer, I'm just not understanding this question and looking for further help. Thank you

**Chemistry**

Calculate the volume of concentrated reagent required to prepare the diluted solution 17 M H3PO4 to prepare 939 mL of 6.7 M H3PO4

**Math**

This is not the right formula

**CHEMISTRY**

When 10.8 g of Silver was reacted with Sulfur, 12.4 grams of product was produced (there was only one product). What is the empirical formula of the product?

**Honors Physics**

Give some examples of applications that resulted from work done by physicists. The answers I have are: computers, electricity, cars, and television. Are these acceptable?

**Honors Physics**

Give some examples of applications that have resulted from work done by physicists on the exploration of space.

**Honors Physics**

Give some examples of applications that resulted from work done by physicists. The answers I have are: computers, electricity, cars, and television. Are these acceptable?

**Maths Probability**

anyone please provide answers to above problem.

**Physics**

9.34*10^13

**Science**

v

**social studies**

My homework from the board says "Finish color illustration for Gilgamesh" but I don't know what that means.(If someone can answer me before *8:00 am I would be very grateful.) What am I supposed to do?

**science**

The answer is D) Biodiversity increases as humans develop sustainable ways of using natural resources. Biodiversity is basically the variety of plant and animal life in a particular habitat. However, if humans fail to use natural resources sustainably, habitats get destroyed. ...

**MATH**

Following Steve's explanation, you can also have an increase by over 100%. For example, a price could increase by 200% - if the original price was $200 and then doubled to $400. This is possible because the original price was $200 - so 100% of the price is $200. When it ...

**English**

Your English seems nearly perfect - but you should always capitalize the pronoun 'I' when using it - and brackets should be used before the full stop. Otherwise, your English seems fantastic.

**MATH**

All you have to do in this situation is substitute (-2) for the variable (x) in the equation. You can do this because all coordinates are of the form (x,y). Anything in the place of (x) can be seen as equal to (x). So, substituting, we can see: 2(-2) - 3y = 5 -4 - 3y = 5 -3y...

**MATH**

Here, all you have to do is simply substitute (3) for the variable (x) in the equation. You can do this because all coordinates are of the form (x,y), and anything that takes the place of (x) in that form can be seen as equal to (x). The working is shown below: y = 2(3) + 4 y...

**MATH**

Here, all you have to do is substitute (7) for (y) in the equation. You can do this because all coordinates are of the form (x,y), and any number that is in the place of (y) in this format can be seen as equal to (y). The working is shown below: 5x - (7) = 3 5x = 10 x = 2 As ...

**chem help**

I may be incorrect here - as this contradicts with the previous answer, but this is how I would tackle this problem. One mole of nitrogen has a mass of 14 g/mole (which can be seen on the periodic table). In one mole of NaNO3 (sodium nitrate), the mass is 85g/mole (adding all ...

**5th grade science**

Well, it is certainly not a property of electrons, protons, and neutrons - only electrons and protons, as neutrons have a neutral charge (so no charge whatsoever). Forgive me if I am incorrect here, but I do not believe that you can simply conduct 'current'. You can ...

**5th grade science**

As a follow-up to PsyDAG's answer, a non-metal is an element which, quite simply, is not a metal. These non-metals include Oxygen, Nitrogen, and Chlorine to name a few. Copper, however, is a metal, and therefore copper wire cannot be correct as the question asks for a non-...

**7th grade mat**

This answer is absolutely correct - well done!

**Math**

the last one is a for the question that was there previously.

**chemistry**

Polymerization

**math**

126.00

**Physics**

Four equal +6.00-μC point charges are placed at the corners of a square 2.00 m on each side. ( = 1/4π = 8.99 × 109 N · m2/C2) (a) What is the electric potential (relative to infinity) due to these charges at the center of this square?

**trig**

A hiker walks 900m east and 500m south .Find the bearing of the finishing position from the staring point?

**statistica**

What is the range of the values 2.0, 3.7, 4.9, 5.0, 5.7, 6.7, 8.5, and 9.0?

**Economics**

i'm doing the same question and i found it to be 1, however i did not rearrange the demand curve. how are we supposed to reaggrange the curve? confused *

**English**

my sister aliah is both comic and smart

**math**

Application Giovanni is flying his Cessna airplane on a heading as shown. His instrument panel shows an air speed of 130 mi/h. (Air speed is the speed in still air without wind.) However, there is a 20 mi/h crosswind. What is the resulting speed of the plane?

**Physics**

anyone?

**physics**

An electron is projected, with an initial speed of vi=1.38e+05 m/sec, directly towards a proton that is essentially at rest. If the electron is initially a great distance from the proton, at what distance from the proton is its speed instantaneously equal to twice its initial ...

**physics**

and the aswers are?

**MATH**

UNSCRAMBLE 25 LETTERS TO MAKE 8 WORDS THAT ANSWER THE QUESTION WHAT'S WRONG WITH GETTING A HAIRCUT? LETTERS: H I T I S B E T E R T O G E T T S E M L O C R E T

**math**

A trapezoid has an area of one and a perimeter of five. If this pattern continues, what is the perimeter of a large trapezoid with an area of 96

**math**

21

**Physics**

x+y

**Science**

OMG THANK GOD U GOT ME THE ANSWER OF MY WHOLE WORKSHEET!

**singapore moth**

did you ever figure this out?

**health**

The answer is D. For sure it's under major depressive order under depression and suicide in children and adolescents in the reading material

**Math**

216

**world history**

what were the rest of the answers

**Algebra 2**

121

**physics**

You step into an elevator holding a glass of water filled to a depth of 7.0 cm. After a moment, the elevator moves upward with constant acceleration, increasing its speed from 0 to 2.8 m/s in 3.8 s.

**math**

98

**chemistry**

so we did a chemistry lab to find the relationship between temperature and volume or charle's law. In the experiment, i got t1v1=372K, 267.2 cm^3 t2v2=277K,169.1 cm^3 so i graphed that THen they told us to chose 2 other points from that line, TaVa and TbVb and find its K ...

**math**

Two angles of the triangle have given measures. Find the measure of the third angle x degrees, 120 degrees minus x degrees

**algebra**

6x-y=-4 2x+2y=15 Solve for y

**chemistry**

There is a fairly simple answer to this: The question states that you assume there are three magnesium isotopes. If Magnesium 24 has an abundance of 78.99%, and Magnesium 26 has a percent abundance of 11.01%, the percent abundance of Magnesium 25 is simple to calculate. The ...

**Finance**

auk

**Pre-Algebra**

Don't you just times each other by the LCD (which is 28) times 7 on 1/4 and get 7/28 times 4 on 2/7 and get 8/28? So 7/28<8/28??

**marketing**

using an MIS requires extensive training; a DSS does not

**Algebra**

A piggy bank contains only nickels and dimes. In all there are 42 coins with a total value of $3.85. How many nickels are in the piggy bank?

**Short Story**

It's pretty good....hope the teacher won't get bored to death though....the storyline is not that great but just add some more to it.....right now, it's just like blah

**social studies**

Dont know:(

**For Hellpp - Algebra 2**

woops sorry edited the wrong box there we go

**Math**

What are names for shapes of curves?

**Chemistry**

so we did a chemistry lab to find the relationship between temperature and volume or charle's law. In the experiment, i got t1v1=372K, 267.2 cm^3 t2v2=277K,169.1 cm^3 so i graphed that THen they told us to chose 2 other points from that line, TaVa and TbVb and find its K ...

**Chemistry**

I am graphing temperature vs volume. Temperature-horizontal axis, Volume-vertical axis.

**Chemistry**

What does the point at which your curve crosses the horizontal axis represent?

**Math**

For graphs what does a direct, inverse, linear and power relationships mean?

**algebra**

[(-1/3a^2b^3c)^2*(-9/2ab^2c^2)+(+3/5a^4b^5c^3)^2:(-3/5a^3b^2c^2)]^2:(+11/10a^2b^8c^4)

**U.S. History**

What would be an example of scientific management today?

**Chemistry**

Number and arrangement of the electron pairs around: a. C in CCl4 b. S in H2S c. Al in AlH3 d. Ga in GaCl3