# Posts by Maria

Total # Posts: 2,018

**math**

find the inverse. f(x)=√3+4

**math**

Find the inverse f(x)= -2+7

**math**

(2+3i) / (4-2i)

**math**

Find the inverse of f(x) f(x)=3-1/2x

**college algebra**

Find Functions with Given Zeros √2, -√2, 3

**College Algebra**

-6 - radical 10 / 3+8 radical 10

**Math**

The percentage of people not covered by health care insurance in 2003 was 15.6% (Statistical Abstract of the United States, 2006). A congressional committee has been charged with conducting a sample survey to obtain more current information. a. What sample size would you ...

**calculus**

The Voltage v , Current I and Resistance R are related by the equation V=IR. Suppose that V is increasing at a rate of 2 volt/sec, while I is decreasing of the rate of 1/5 (amp/sec ). Let t denote time in seconds. Find the rate at which R is changing when V=40volts and 1=2 amp .

**calculus**

The Voltage v , Current I and Resistance R are related by the equation V=IR. Suppose that V is increasing at a rate of 2 volt/sec, while I is decreasing of the rate of 1/5 (amp/sec ). Let t denote time in seconds. Find the rate at which R is changing when V=40volts and 1=2 amp .

**Six Grade Math**

The answer is 32

**Global terrorism**

What effect has the 1991 gulf war had on current day terrorism ?

**Chemistry**

The ionic compund sometimes called yellow uranium is used to produce colored glazes for ceramics. It is 7.252% sodium, 75.084% uranium, and 17.664% oxygen a. What is the empirical formula for this compound? b. This compound has a molecular mass of 1268.06 g/mol, what is the ...

**chemistry**

The ionic compund sometimes called yellow uranium is used to produce colored glazes for ceramics. It is 7.252% sodium, 75.084% uranium, 17.664% oxygen? a. What is the empirical formula for this compound? b. This compound has a molecular mass of 1268.06 g/mol, what is the ...

**english help repost**

The Trouble with Television by Robert Mac Neil It is difficult to escape the influence of television. If you fit the statistical averages, by the age of 20 you will have been exposed to at least 20,000 hours of television. You can add 10,000 hours for each decade you have ...

**accounting 1**

Ethic Case The Controller for Anderson Electric, Ron Foss, is reviewing the year-end adjusting entries prepared by the accounting staff for approval before they are posted to the general ledger. Angela Bennett, the company president, has suggested the December accrual for wage...

**Math**

I don't understand what the answer is

**Math**

10

**Math HELP!**

98

**english .... thinking question... please help!!**

How do values and belief shape who characters are as individuals and influence their behavior? Our values and belief are strongly related and influence our behavior. It can bring to mind by certain communications or experiences. Our values therefore not only change at ...

**English ... thinking question!!**

How does viewing human behavior as good or evil shape a(n) individual’s/ society’s view of the world? Can you give me some thoughts about this question ? I have no idea!!! please help! Thank you so much

**Theories and issues in working with school-age chi**

is a

**geometry**

Quadrilateral Math has been dissected into squares. The area of the red square is 64 square units and the area of the blue square is 81 square units. Determine the dimensions and the area of Quadrilateral Math?

**Chemistry**

Calculate the value (calories) for the heat of solution. Mass of NaOH: 2.03 g ΔT for reaction A : 8 °C

**accounting**

I=prt I=9800*.02*15=$2,940

**physics**

An object slides on a level surface in the +x direction. It slows and comes to a stop with a constant acceleration of -2.45 m/s2. What is the coefficient of kinetic friction between the object and the floor? (please include explanation)

**Geometry**

The length of a table is 6 feet on a scale drawing the, length is 2 inches write three possible scales for drawing

**Geometry**

a game room has a floor that is 120 feet by 75 feet a scale drawing of the floor grid paper uses a scale of 1 unit:5 feet what are the dimensions o the scale drawing

**geometry**

a game room has a floor that is 120 feet by 75 feet a scale drawing of the floor grid paper uses a scale of 1 unit:5 feet what are the dimensions o the scale drawing ***Show steps please I need this by tomorrow***

**Math**

97 was my first answer as well.

**Language Arts**

Pacman is bad don't trust him please.

**Science**

0.003mm

**Science**

Thank you

**Science**

a reasonable estimate for the size of a cell's nucleus is a. 0.003 b. 3 mm c. 0.003m d. 3m

**calculus**

ya i just didn't get the second part because its volume not the surface area and i got a big number I'm not sure about it

**Sociel Studies**

Hello, Thank you, so I was on the right track?

**Sociel Studies**

Hello, I keep coming the answer of sovereign immunity but I am unsure. I am trying to write a paper and here is the question: Why a government leader, politician, or special interest group invoke sovereignty?

**Calculus**

Use differentials to determine by approximately what percentage does the perimeter of a square table increase if its diagonal is increased from 30 centimetres to 31.245 centimetres

**Physics**

The potential difference between the plates of a capacitor is 335 V. Midway between the plates, a proton and an electron are released. The electron is released from rest. The proton is projected perpendicularly toward the negative plate with an initial speed. The proton ...

**Chemistry**

What is the wavelength of a photon having a frequency of 71.6 THz? So I know 1 THz = 10 to the power of 15 Hz And c= 3 x 10 to the 8th and h= 6.63 x 10 to the -34th

**Math**

On an airplane,there are two seats on the left side in each row and three seats on the right side. There are 90 seats on the right side of the plane. a. How many seats are on the left side of the plane? b. How many seats are there altogether?

**Math**

5/8 of the 64 musicians in a music contest are guitarists. Some of the guitarists play jazz solos, and the rest play classical solos. The ratio of the number of guitarists playing jazz solos to the total number of guitarists in the contest is 1:4. How many guitarists play ...

**Electron transition**

The electron in a hydrogen atom in level n= 8 undergoes a transition to a lower leve by emitting a photon of wavelength 956 mom. What is the final level of the electron? A) 4 B) 8 C) 9 D) 1 E) 3

**math**

0,0987

**4th grade math**

12. Explain it what do you need to do to extend a number pattern?

**Fraction**

3/4 x 12= 9 eggs

**Math**

the temperature dropped 18 degrees F between 6 am and 6 pm. during the night the temperature fell another 8 degree F. at 6 am the temperature started rising. It rose 1degree F the first hour, 2 degree F the second hour, and 4 degree the third hour. The temperature rose another...

**Math**

the temperature dropped 18 degrees F between 6 am and 6 pm. during the night the temperature fell another 8 degree F. at 6 am the temperature started rising. It rose 1degree F the first hour, 2 degree F the second hour, and 4 degree the third hour. The temperature rose another...

**ps 84**

rewite you can bake a potato with the rays of the sun on a very hot day as an imperative sentence

**Maths**

a litre of orange fruit drink contains 22%orange juice.how many millilitres of orange juice must be added to produce a mixture containing 50% orange juice?

**Physics**

A quarterback is trying to throw a football to a stationary receiver. The receiver is not directly in front of him, so the total velocity of the ball and the velocity of the quarterback has to be 20 m/s at an angle of 21.4 degrees from the vertical direction as shown in the ...

**Chem**

Ohhhh Ok thank you sooo much :) makes more sense Thank you again

**Chem**

I am a little confused ... the previous questions were What is the concentration in W/V units? (23g/250ml)x100 = 9.2% w/v How many moles of NaCi were dissolved? (23g/1) x (1mol/58.54g)+ .39moles Then it was How many atoms were dissolved? and this is zero because there are no ...

**Chem**

I have a concentration of saltwater (NaCI) in that there was 23 g of salt dissolved in .025 L of water. How many atoms were dissolved? Is this how you set it up??? .39 x(6.022x10^23)

**chemistry**

Thank you :)

**chemistry**

I have 3 grams of CaCI2 and dissolve this into 0.5 L water. What is the concentration in g/dl (grams/deciliter)? I take 10 milliliters of this solution and add it to 990 milliliters of watet fo a total of 1000 milliliters. What is the concentration of this new dilution in ...

**Math**

helen purchased three books and received a 20% discount. She will pay $10 for shipping. Write an expression that can be used to represent the total amount paid for the three books and the shipping cost.

**chemistry**

calculate the molality, molarity, and mole fraction of NH3 in an 12.80 mass % aqueous solution (d=0.9651 g/ml)

**Art**

Hopefully you got a ps4 and a bb gun, i have a ps4.

**geometry**

what is the perimeter of a 12 * 15 pool with a 3ft non slip surface around it

**math**

y= tan((pi x)/2) what is the domain of y? My ans. is x= 1/2+k ;k is Z Is it correct Please help!!!

**science**

Works, trust me, i got 100! thanks! it helped me understand some of it.

**math**

12,24,72,288 what is next

**CHEMISTRY**

A mixture of methane and helium is placed in a 2.0 l flask at 27 degrees the partial pressure of methane is 0.72 ATM and the partial pressure of helium is 0.22 ATM . What is the mole fraction of ch4?

**Math 221**

Joe rented a truck for one day. There was a base fee of $15.99 , and there was an additional charge of 97 cents for each mile driven. Joe had to pay $295.35 when he returned the truck. For how many miles did he drive the truck?

**Math 221**

In Cowling's Rule If a doctor prescribes 75 milligrams of tamiflu for an adult, then how many milligrams would she prescribe for a six-year-old child using Cowling's rule?

**Math 221**

If a doctor uses Cowling's rule to prescribe 187 milligrams of Tamiflu to a child when she would prescribe 500 milligrams to an adult, then how old is the child?

**Math 221**

In Cowling's Rule If a doctor prescribes 75 milligrams of tamiflu for an adult, then how many milligrams would she prescribe for a six-year-old child using Cowling's rule?

**Math 221**

The question is using the Cowling's Rule for children's dosage of medication. Explain what the variables in the formula represent and show all steps in the computations. Part A -An adult dose is 75mg Part B- 500mg (adult) 187mg (child)

**Math**

The question is using the Cowling's Rule for children's dosage of medication. Explain what the variables in the formula represent and show all steps in the computations. Part A -An adult dose is 75mg Part B- 500mg (adult) 187mg (child)

**Math**

The question is using the Cowling's Rule for children's dosage of medication. Explain what the variables in the formula represent and show all steps in the computations.

**Math**

Part A -An adult dose is 75mg Part B- 500mg (adult) 187mg (child) How I come up with a formula for this problem?

**Math pre-calculus**

Write an expression for all of the vertical asymptotes of y=-3 csc(pi/4 *x) Can you list step by step to show how to do it , I don't understand this problem !!! Thanks

**chemistry**

A mixture of He, N2, and Ar has a pressure of 14.2 atm at 28.0 °C. If the partial pressure of He is 1525 torr and that of Ar is 2807 mm Hg, what is the partial pressure of N2?

**algebra**

I need help solving this equation. 7y+5/3 = -8/y-3. I am stuck. please help me.

**geography,maths literacy,tourism,electrical techn**

What career can i do related to this subject

**math**

draw a number line to show that the fractions are equivalent 3/4=6/8 and 1/4=2/8

**math**

how you can use a number line to show that 3/6 and 1/2 are equivalent fractions

**english**

Jane Goodall is a primatologist. She studies the social and family lives of chimpanzees.

**Matrices**

A triangle has vertices (1, 4), (1, 1), and (−3, 1). The triangle is dilated by a scale factor of 2, then translated 5 units up, and then rotated 90° counterclockwise about the origin. What are the vertices of the image of the triangle

**Algebra**

1/12

**Algebra 1/2**

Thanks for answering

**Algebra 1/2**

The spinner has number 1 through 8. And is spun twice. What is the probability it will stop on either 3 or 5 the first time and will stop on 2 the second time?

**Algebra 1/2**

With numbers 1 through 8

**Algebra 1/2**

The spinner is spun twice. What is the probability it will stop on either 3 or 5 the first time and will stop on 2 the second time?

**Chemistry**

Use intermolecular forces to explain why alkanes with 1-4 C are gases; 5-16 C are liquids; and greater than 16 C is solid

**Math**

Andy needs to pay off a loan of $18,000 in 5 years. Find the amortization payment he would need to make each semi-monthly pay period (twice a month)at 6% compounded bi-monthly, in order to pay off the loan.

**managerial accounting**

The break-even point in dollar sales for Rice Company is $480,000 and the company’s contribution margin ratio is 40 percent. If Rice Company desires a profit of $84,000, how much would sales have to total? Answer: Fixed cost $288,000 Variables cost $192,000 (0.4)= $76,800...

**5th Grade Math**

Ddddddddbnnnjnhdejdhehdhejdbechbrgcfrchehdknekchrjfgrufhu. Bbfrufgrufhruchrjfbrjf nnbejfhrjcnejjdejdhejdhejdhejcrhcge hdejdheidhejdbedebdhegdehdgedjhedjecbejcbejcbejcbehcehchebxehx hedgehdgejdhuedhejdhhedhehdgeduehdejdhejdgeudejxeedbhdheudehdvwhdehudhejdeh

**PreCal**

Please Can Someone Help Me Solve For x Using Log Properties: log(base 3) x*(x-80)=4

**PreCal**

Solve Using Log Properties: 1/4 = 8^3x+5

**Math**

Write recursive equation: 1/3,3,27,81,243

**math**

If you pay $585 a month or $135 a week for 2 work days, then how much do you get paid per day?

**math**

you just did the problem

**math**

whoever answers me again It should be..... 1 3/8, 1 3/4, 2 1/8, __, 2 7/8

**math**

ill wit for more answers

**math**

thank you Steve :-)

**math**

PLEASE ANSWER!!!???!!!

**math**

anbody there

**math**

patterns with fractions write a rule for the sequence.then,find the unknown number how do you do this?ill give you an example...1/2, 2/3, 1, 1 1/6.it says,think:the pattern is increasing.add 1/6 to find the next term.here is a problem.... 1 3/8, 1 3/4, 2 1/8, 2 7/8 rule: I ...