Algebra, help + check please

105,240 results, page 80

algebra

A man invested half of his money at 5%, one-third of his money at 4%, and the rest of his money at 5.5%. If his total investment income was $570, how much had he invested? and please show me the solution to solve this problem. thanx

Math(Algebra)

Estimate the size of the bear population 50 bears, 1 year later 100 bears, 2 with taggs what is the estimated size of the bears can you Please wirite me the stepes so I cam understand what you did. Thank You so much foer your help.

Algebra

Find 3 consecutive odd numbers such that the sum of 5 times the smaller number a twice the larger number is 33 more than six times the median number. Do not understand word problems. ..please help

PLease Help!!!Algebra

The line y = 3x + 5 crosses the y axis at ______? When it crosses the y-axis x has to be 0, so what is y when x=0 in the equation y = 3x + 5 Isn't it 5? Hmm, you don't sound too confident with your answer, but yes, it's 5. If you have an equation y=mx+b, m is the slope and b ...

algebra

Solve by elimination method. 2r-5s=-33 5r+2s=48 Solve by substitution method. 5x+6y=5 x-9y=40 I always get these two confused... can someone please help me with these two problems?? I would really appreciate it..

algebra

Given the linear equation y=-3/5x-4, find the y-coordinates of the points (-5, ), (0, ), and (5, ). Please show all of your work. Plot those points and graph the linear equation.

algebra

I need help. Can someone help me please. Explain how you can determine from the graph of a system of two linear equations in two variables whether it is an inconsistent system of equations. Thank you

Algebra 2 (Quadratic Equations)

Is the point (-3, -2) a solution of the intersection of the following set of quadratic equations: Y < -X^2 X^2 + Y^2 < 16 I'm not sure how to actually work this problem out. Can anyone help me with this problem please.

college algebra

form a polynomial f (x) with real coefficients having the given degree and zeros. degree 5; zeros 5; -i; -6+-i f(x)= a(?) Please show step by step work.

Algebra

Write and then solve the equation for the following. Please correct me if I'm wrong!! 1. If 3x+2x is equal to 15, what is the value of x? Answer: x=3 2. If three times the quantity (4y-2) is equal to 18, what is the value of y? Answer: y=1

Math Pre-Algebra

Simplify the Expression(-8/15)+(1/15). Show how to simplify in steps, using a property of operations for each step. Explain the property you use in each step. Can you help me please?

Algebra ll

Please help..I do not understand any of this... Analyze the graph of the function f(x)=x^2+x-42/x+3 a.)what is the domain? b.)what is the equation of the vertical asymptote of f(x)? c.)What is the equation of the horizontal or oblique asymptote? d.) choose the correct graph.

ALG 2

Im doing the conic section in algebra and cant figure out how to determine the extent of the graph. Which the graph equation is x^2/16-y^2/25=1 can you please help me this is the only thing i don't understand how to figure it out.

ALGEBRA

the arithmetic mean of two numbers exceeds their geometric mean by two. find the numbers if one is 40 less than other? please help me to answer this homework.

history

What ways did business leaders in the late 1800s try to eliminate competion? They weren't called Robber Barons for nothing. Please check your book for the ways that these business leaders charged lower prices than their competitors, paid lower wages, and bought other companies...

Social Studies

(Can you please check my answers)one major landform that is found in both united states and canada is A. The Kilauea Volcanos B. The Rocky Mountains (C.) The Great Basin D. Mount Logan 2 Why are the Great Lakes important to both the United States and Canada A. They form the ...

algebra

find the value of x and y x+y=12 45x+52y=561 Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in another post. Thank you.

College Algebra

Can you please explain this in detail so I can write it down and know how to do it for future reference? Hockey teams receive 2 points when they win and 1 point when they tie. One season, a team won a championship with 64 points. They won 11 more games than they tied. How many...

ALGEBRA

Suppose you have a $1,000 charge on a credit card charging 1% monthly interest using the adjusted balance method. The minimum payment due in May is $50. How much will you save in interest charges in June by paying $100 instead? Steps please.

ALGEBRA

Suppose you have a $1,000 charge on a credit card charging 1% monthly interest using the adjusted balance method. The minimum payment due in May is $50. How much will you save in interest charges in June by paying $100 instead? Steps please.

ALGEBRA

Suppose you have a $1,000 charge on a credit card charging 1% monthly interest using the adjusted balance method. The minimum payment due in May is $50. How much will you save in interest charges in June by paying $100 instead? Steps please.

ALGEBRA

Suppose you have a $1,000 charge on a credit card charging 1% monthly interest using the adjusted balance method. The minimum payment due in May is $50. How much will you save in interest charges in June by paying $100 instead? Steps please.

Algebra

Solve using the appropriate method. Substitution or Elimination. y = 2x - 5, y = 1/2x + 1 This morning I posted a question that Bosnian was kind enough to help me with but it was the wrong question that I was looking at. Sorry but I could really use some help I have been ...

Pre-Algebra

At a halftime show a marching band marched in formation. The lead drummer started at a point with coordinates (-2,-5) and moved three steps up and 1 step right. Write a rule to describe the translation. What were the coordinates of the drummers final position? Please help

History-PLEASE HELP

I am stuck on a homework assignment and am having a hard time finding information on this topic. Can someone please please help!! Why is Kenneth Clark’s interpretation of the African mask ethnocentric?

statistics help please!

please help!! pretty please!! i need to know how to this problem ASAP! suppose you pay $1.00 to roll a fair die with the understanding that you will get back $3.00 for rolling a 5 or a 1, nothing otherwise. what is your expected value?

writing or literature

My teacher writes this prob. on the board but i don't get it!!_self-satisfaction _don't leave her at the alter _sea water _the very edge brick What is that!!!!!!!!!!!!!!!!!!!!!!!! Please please please help me!!!!!!!!!!

MATH 115

I have math questions I need to check my answers can you please help me 1. 4x4x4x4x4 as a power of 4 answer 4 to the fifth power 2.a bedroom is 10 ft by 11 ft what is the perimeter? answer 42 ft evaluate 72/8-9/3=6 3.Jamal is fencing a rectangular field that measures 25 ft by ...

10 drivers ed questions?

please help!! 1. You can never rely completely on your rearview mirrors when changing lanes because (1 point) they may not be properly adjusted. they are too far apart. they are too small. they have blind-spot areas. 2. While approaching your parked car, the first step before ...

Please can help me solving my problems(Probality)

A manufacturer makes mobile phone. The manufacturer employs are inspector to check the quality of its product. The inspector tested a random sample of the phone being defective as 0.049. Ashmita buys three of the phones made by the manufacturer. Find the probability that. 1) ...

algebra

The sum of the first n counting numbers 1 + 2 + 3 + 4 + 5 ... + n is given by S = n/2(1 + n). a) Find the sum of the numbers 14 to 40 inclusive Answer is 729. But i don't get why. Someone explain what the qestion means by "inclusive" please ><!

Algebra

The population of Australia in x years after 1980 can be modeled by the function y=14.6*(1.014)^x. Estimate the population of Australia for each year. a) 1976 b) 1980 c) 1972 I am not sure of what to do. Help Please ?

Algebra

I need the horizontal asymptote for f(x) = (x)/(x^2 -4) Can someone please show me. I already figured out that The y-intercept is 0. The vertical asymptotes are x = -2, x = 2 So now all i need is horizontal asymptote for f(x) = (x)/(x^2 -4)

algebra

im supposed totraqnslate to an algebraic expression. the product of 19% some number the translation is type the percentage use a decimal use q to reprensent some number. help please

Algebra

(5x10^14)-1 I need help with this problem. If you can please show me step by step how to solve this I have 15 more of these to do so I really need detailed steps if it is not to much trouble.Thanks so much!

algebra 1

In the standard (x,y)cooridniate plane the graph of (x-2)second power +(y+4 second power =9 is a circle. What is the area enclosed by this circle, expressed in sguare coordinate units? please help me?

Algebra

A cat can jump the height of up to 5 times the length of it's tail.How high can a cat jump if it's tail is 13 inches long? Please write a multiplication or division equation

Algebra (please help)

Which of the following relations has this characteristic: The relation is a function containing two ordered pairs. Reversing the components in each ordered pair results in a relation that is not a function. A) {(0, 2), (0, 3)} B) {(2, 3), (3, 2)} C) {(3, 1), (4, 1)} D) {(4, 5...

Algebra

x^1/2 * y^1/6 *z^1/5. We are to use rational exponents to write an expression. The sqrt of x - the sqrt of y, over the sqrt of x + the sqrt of y. I need to simplify and use radicals as needed. I obviously do but what...?? Please assist. Thank you.

algebra

Solve the formula for the variable given.Then use the given information to find the value of the variable. A=2πrw Find r if w=4ft And A=120ft square. Please someone help me with this!!!

Algebra

Simplify radical terms, including fraction power expressions. Review the expression below and describe how to simplify the expression: ã100 Please help, I just do not know how to describe this.

Algebra

"Explain how you can tell the function f(x) = |x - 5| is not linear by using points on its graph. Make sure to include in your answer the Points you used to determine that the function is not linear." Help please?

Math Algebra

Ann is 8 years older than Dawn. Dan is 5 years younger than Dawn. The sum of their ages is 108. How old is Dan? Please explain work too.

Algebra 1

Which cannot describe a system of linear equations? a) no solution b) exactly two solutions c) infinite solutions**** d) exactly one solution To be honest I think the answer is C. Please Help!

Chemistry(Please check)

The equilibrium constant, Kc for the system, CaO(s) + CO2(g) == CaCO3(s), is A. Kc = (CaO) (CO2) / (CaCO3) B. Kc = (CO2) C. Kc = (CaCO3)/(CaO) D. Kc = (CaCO3) / (CaO) (CO2) E. Kc = 1 / (CO2) My answer is (CaCo3) / (CaO)(CO2). Would you agree?

check!

here is the question: log5(x-4)= log7x solve for x. These are just base 10 logs. log100 = 2 This equation has the same format as log 40 = log (2x20) Since both sides have log base 10, you divide by log base 10 and end up with 5(x-4) = 7x, so 5x -20 =7x x=-10 One doesn't ...

Algebra 2

How many liters of water must be added to 8 liters of a 40% acid solution to obtain a 10% acid solution? Please Show All Work!

Algebra 2

how do i solve these two problems? 3log(base5)^(x^2+9)-6 = 0 log(base8)^(n-3) + log(base8)^n+4)= 1 can you tell me step by step as well as the answers? please and thank you

Algebra

Please help! I need to factorise and solve this equation, x^2 +x -30 =0 I then need to explain how I would use the answer drom this to solve the equation 4x^2 +4x-120=0

algebra

Can someone please help. When graphing the equations y = 2x – 2, y = 2x, and y = 2x + 3, what observation can you make about the graphs. Can you make the same observation before graphing the lines? How? Thanks

algebra ll

Need help please.. Identify -7x^3+6x^2+6x+9 Searching for the degree of the first term, 2nd term, 3rd term, 4th term and the degree of the polynomial? I thank you

Pre algebra

A number multiplied by itself and then by itself again gives -1,000. What is the number? Please show the solution step by step

Algebra

Please help me find the value of the annuity for the following: a1= $8000, I=0.06, n=10 $8,000 invested for 10 years at 8% compounded annually$8,000 invested for 10 years at 0.06% n = 10 Thank you.

algebra

a recipe requires flour and sugar in a 3:1 ratio. if the flour required is 2 3/4 cup, how much sugar is required? show work please.

Algebra 1 (Check Work)

3. Which of the following is the most appropriate unit to describe the time you can drive a car based on the amount of gas? A. Minutes per gallon, because the independent quantity is the gallons B. Minutes per gallon, because the independent quantity is the minutes C. Gallons ...

Science

Please Check my Work:pls check my work asap! 1. A ___ has a definite shape and a definite volume. (1 point) 1. solid (My Choice) 2. liquid 3. gas 4. molecule 2. Why is a gas able to flow? (1 point) 1. Its particles have melted and can move around. 2. Its particles have high ...

6th grade math

Can you check this,please? 10−��^0+5(9−��) Ans: 10-x^0+ 45-5x = 10 - 1 + 45 - 5x = 9 + 45 - 5x = 54 - 5x OR 10−��^0+5(9−��) = 10 - x +45-5x = 55-6x?

FRENCH

Could you please check these sentences and also let me know which one is correct for #2 1)Yesterday my father worked a lot. Hier, mon père a travaillé beaucoup. 2)Where did your fahter work? is it: où ton père a travaillé? or: où a ton père travaillé? or: où est-ce ...

chem please help

when the oxide of arsnic is heated it sublimes and becomes a gas at 650oc and a pressure of 690mmHg the 0.927g sample of the oxide has a volume of 194cm calculate the volume in cm3 that the sample would have at 0oc and 760mmHg(ie at STP)if it were to remain gaseous down to ...

Algebra

I need help on one particular part of algebra because i forgot what my teacher said! Here is the question: Directions: Find the x- intercept of the graph of the equation. 1. x+ y= 5

algebra 2

what is the answer to algebra with pizzazz page 100; what should you say if you see a tall, wrought-iron tower in paris, france? there are 24 blanks

Algebra

Which resource provides instructions and practice related to the content in the online textbook. A. TI - Nspire *** B. Sample work C. Power Algebra D. Teachlet tutorial

math

The volume of each shape is 250 cubic inches. A) Find the height of a cylinder with a radius of 3 inches. 250/3^2/ 3.14 = height of cylinder? B)Find the radius of the sphere. Is it just 3 inches? C) Find the height of a cone with a radius of 3 inches. I need help with this can...

Chemistry

Check my answer please? A reaction requires 22.4 L of gas at STP. You have 45.0 L of gas at 100 kPa and 373 K. Which of the following statements is true? The gas constant is 8.31 L-kPa/mol-K. You will have an excess of gas and the reaction will occur. <--------- You will ...

English

Can you please check these few sentences, please? Thank you very much in advance. 1)I let you know about our daily timetable as soon as possible. 2) I believe you could meet at the hotel every day at around 5.45 for one or two hours of conversation depending on the day. 3) We'...

Spanish-9th grade

Could you please check if these are correct? Thank you- 1.¿Necesitas monedas para coleccionar monedas? Sí. Las necesito para coleccionar monedas. 2. .¿Necesitas el bate para jugar al tenis? No,lo necesito para jugar al tenis. 3. Me hablas? Sí, te hablo.

Ap govt.

Please check my answers and help me with those that are wrong. Which of the following forms of government most clearly bases power on the consent of the governed? A. aristocracy B. totalitarian regime C. Oligarchy D. Anarchy E. Republic I put A All of the following are factors...

Spanish -8th grade- Please check

Which of the following is correct? Mis hermanos tocan a la guitarra. Mis hermanos tocan la guitarra. Mis hermanos juegan la guitarra. I think it is "Mis hermanos tocan la guitarra."

Math! Please check!

Which of the following is a good definition? A: You are a teenager if and only if you are 15 years old. B: You are 15 years old if and only if you are not an adult. C: You are 13 to 19 years old if and only if you are a teenager. D: You are not a teenager if and only if you ...

Algebra 2

What's the answer to Algebra With Pizzazz B-50, Page 60???

Algebra

Algebra - Substitution Question? A+B+C=1 A+C= -1/2 A-B+C= -7 What are the values of A, B, and C?

algebra

Hi, how can I solve this equation using algebra? y= 9x+50, many thanks

College algebra

What is the fundamental theorem of algebra for x^6-64?

Algebra

Will you explain the concept of "i" in algebra? Problem: 4+2i/4-2i

Algebra

How do you solve x/a - 1 = y/b for y? Algebra question I'm stuck on. Thanks!

Algebra

I need help with some Algebra! Can someone help?

algebra

I need help with my algebra with pizzazz page 22

algebra

show this algebra equation on the graph 4x-6y=12 4x+3y=24

Algebra

What is the distinct letter in the word algebra?

Algebra readiness ( pre algebra)

what is the solution to q+ (-9) =12?

Spanish-the last set of quesions-please check

I had to write a a paragraph but I numbered them for you about my last birthday and what movies and people I saw last week 1.Vi a mis hermanos la semana pasada. 2.Vi a mis primos la semana pasada. 3.Vi la película Star Wars la semana pasada. 4.Yo recibí mucho dinero para mi...

physic please check answers test tommoro

5) suppose in the previous question when timmy is sitting at rest he has 40j of GPE then his dad geves timmy a push when his dad lets go Timmy has 60j of GPE and 12J of KE a) befor his dad pushed him GPE= 40J Ke= 0J TE=40J b) immedialtey after his dad pushes him GPE= 60 KE= ...

Physics(Please check)

What is the difference between the measured values of 1.05m and 1.050m? What factor of a measurement tool determines the sig figs of a measured value? The two values are different because of their sig figs, the first has 3 and the other has 4. I think that the factor of a ...

Physics(Please check)

What is the difference between the measured values of 1.05m and 1.050m? What factor of a measurement tool determines the sig figs of a measured value? The two values are different because of their sig figs, the first has 3 and the other has 4. I think that the factor of a ...

Health info

Please check my answer thanks. Dr Johnson is treating a psychotic drug user. The patient suddenly leaves the facility, leaving a note that he plans to kill his ex-wife. The pt left behind his antipsychotic meds that he must take every two hours Dr Johnson... 1. MAy not release...

English

Can you please check these sentences for me? Thank you very much in advance. 1)The meeting was held in spite of the rain. 2)In spite of the fact that/although it was raining, the concert wasn't postponed. 3) The meeting was put off because of/due to/owing to/on account of the ...

Algebra

Could I get some help Please!!!!!!!!! (1) Find the LCD 3/3v^2-3v-7/3v-3 (2) Find the LCM 14z^7 and 98z^8 (3) Find LCM y^3+6y^2+9y,y^2-6y

Math -algebra (check plz)

ok say i was trying to find y in this equation 2x + 3y + 6z =4392. I was given x=3789-1.5y , and z = -531. so i did the working and ended up with 7578-3y+3y=7578 . If i do the math correctly ill end up with 0y = 7578 :S im pretty confused, can someone clarify if that would be ...

Language Arts CHECK ANSWERS

PLEASE CHECK MY ANSWERS 1. Adolescence is the period of life that follows A. infancy. B. adulthood. C. childhood.*** 2. Students can feel overwhelmed by A. a day off. B. an easy test. C. a lot of homework.*** 3. Everyone admired the grandeur of A. the rose garden.*** B. the ...

algebra

In 1992, the life expectancy of males in a certain country was 61.6 years. In 1995, it was 65.2 years. Let E represent the life expectancy in year t and let t represent the number of years since 1990. The linear function E(t) that fits the data is... E(t)=_____t + _______ (...

Inter. Algebra

square root sign 2x+3 - square root sign x-2 =2 In my head, I worked it as x=3. I did that because only sqr roots that are rational integers can be subtracted to give a whole number. Now, analytic method. I have no idea, I don't see a simple method in ordinary algebra. how do ...

English

Could you please check these sentences? Thank you very much. 1)Lady Macbeth doesn't display stereotyped female behaviour and poses. 2) Actually, she is not the complement to her husband but rather the driving force of the play. 3) She is even more ambitious than her husband. ...

geography

Can you check my answers please? 1. What sea is found directly south of China? The South China Sea 2. What continent is next to the smallest in land area? Europe 3. What are the names of the original thirteen states? New York, New Hampshire, Massachusetts, Rhode Island, ...

Pump power

I have a question in a tutorial, one of these that give the answers in brackets. However, I think the answer given may be wrong. Anyone check this please, if the given answer is correct, how is it worked out. Q A centrifugal pump is required to lift 400 kg of water per second ...

math!!!

can you please check my work 19mm=? m ?=.19??? .017km=? cm ?=1700? 61500cm/min =? km/h ?=.615? thank youuu! .019 (missed a decimal space) 1700 is correct The last one is a little trickier. First, figure out how many km per minute you are moving: .615 km/minute Since that is ...

Psychology -- Check please?

According to Solomon Asch's study of conformity, which of these situations would not increase conformity? feeling insecure feeling you have reached your potential feeling impressed by a group's status feeling that others are watching you feeling that everyone else agrees with ...

8th grade math for Ms. Sue please check

How is an inequality different from an equation? Give a real-world scenario in which you would write an inequality rather than an equation. Daphne has $25. She wants to buy two new paint brushes for her art teacher. Daphne needs to know the average price so she doesn't spend ...

Social Studies Help

1.) how were the farms of new England colonies similar to the farms of the up country? a.)They grew rice **** b.)they were plantations c.)they had short growing seasons d.)they were small substance farms 2.)rice grew successfully in south Carolina because slaves ______? a.)...

Pre Algebra

This is about Reasoning Strategy... It says this: 3a. What is the y-intercept of the trend line? 3c. Write an equation for the trend line in slope-intercept form. I don't really know what they mean? Please help me.

algebra

How many solutions does the following system have: 6x - 3y = 9 2x - y = 3 Explain how to determine the number of solutions without solving the system. Then apply elimination, and interpret the resulting equation. could you please explain this to me?

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