# Algebra, help + check please

103,406 results, page 94

### Physical Science

Hello! Thanks for checking my question out! ____ 4. Water is a compound because it (1 point) a) can be broken down into simpler substances. b) always has two hydrogen atoms for each oxygen atom. c) is made of water atoms joined together. d) both the first and second choices ...

### chemistry

A Work-Study student was hired to check and test some new CHEM 2020 experiments. One task was to check the reproducibility of the polarimeter. She was asked to repeat the resolution experiment by exactly the same procedure three times in order to estimate the experimental ...

### Physics

A. Calculate the force on an alpha particle in an electric field E=Exm where E=3.6E4 N/C and x is a unit vector in the x direction. What is the direction of the force? B. Calculate the acceleration of the alpha particle in this electric field. What is the direction of the ...

### Math

Can someone please check my work for me? Write an equation of the line satisfying the given conditions. 9) Intersects the line y = 2 + 3x at infinitely many places. 9) A) y = -3x + 2 B) y = 2x + 3 C) y = -1/3x + 2 D) y = 2 + 3x Is the answer A Use the discriminant to determine...

### Algebra Please Help

I have read and read this promble and I just am not understanding it, could some one please help. I have been out of school for a long time. The length of the Statue of Liberty's index finger is 8 feet while the height to the top of the head is about 111 feet. Suppose your ...

### english

I have to write a eulogy for Juliet. And every sentence have 10 sylables can you check my work please. Juliet was good,young,and full of love she was born a short 13 years ago. she was always polite,never talked back, she was in love too much with Romeo. And to be with him she...

### algebra (check answer)

The diameter of a valve for the space shuttle must be within 0.001 mm of 5 mm. Write and solve an absolute-value equation to find the boundary values for the acceptable diameters of the valve. | d - 5.000| = 0.001 d - 5 = 0.001 d * 1000 - 5 * 1000 = 0.001 * 1000 1000d - 5000...

### alg 1 college

can you guys please help me wwith a math problem, its asking to solve this equatoion, sqare root5x-4=3x-18. to fkire off first 5x-4= 3x-18 squared. foil thatand you are looking AT 9x squared -54x -54x+324/ add the -54 to 108x.then shoot the 5x to to the 108x and subbtract 5x ...

### Chemistry

I need someone to check these True or False questions for me please: 3. Dissolving salt in water is a physical change- F 14. Burning newspaper is a physical change- F 19. The liter is a measure of volume- T 20. The amount of heat and temperature of a substance are the same- F ...

### Algebra Help PLEASE

How is dividing a polynomial by a binomial similar to or different from the long division you learned in elementary school? Can understanding how to do one kind of division help you with understanding the other kind? What are some examples from real life in which you might use...

### Algebra 1A

From a base elevation of 8200 ft. a mountain peak in colorado rises to a summit elevation of 14588 ft. over a horizonal distance of 15842 ft. find the grade of the peak. The grade of the peak. The grade of the peak is %. Round to the nearest tenth as needed. Someone help ...

### College Algebra

Please explain in detail so I know for next time. Two angles are complementary. The sum of the measure of the first angle and one-fourth the second angle is 62.25 degrees. Find the measures of the angles. What is the measure of the smaller angle? What is the measure of the ...

### Algebra: Help Please

For the given function, compute the missing values in the following table. f(x) = 8x i got the negatives wrong, but I know how to solve for it. Is there a reason it is wrong? -3: -1/512 -2: -1/64 -1: -1/8 (^These were wrong, but I don't know how to solve it) 0: 1 1: 8 2: 64 3...

### Algebra II

Help me with this question please There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time, the color of the checker is recorded. Find the probability of selecting a red checker exactly 7 times in 10 selections. ...

### Algebra

For questions 1-5 solve the equation. 1.-2v-7=23 (A)15 (B)8 ★ (C)-8 (D)-15 2. X/3-10=-12 (A)-6 (B)-66 (C)6 (D)66★ 3. d/3+10=7 (A)51 (B)20 ★ (C)0 (D)-9 4. 2(2-2x)=-3x (A)-4 (B)4 ★ (C)6 (D)0 5. 2.9n+1.7=3.5+2.3n (A)3 (B)-3 (C).3 (D)1 For questions 6-7, Simpifly the ...

### 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.

### 8th grade algebra

Can you check my answers? 1. 3√20/√4 = 3√(5)(4)/2 = 3(2)√5/2 = 3√5 2. 4√15/√9 = 4√15/3 3. √12/√16 = √4(3)/4 = 2√3/4 = √3/2 4. √10/√5 = √2 5. √15/√20 = √(5)(3)/&#...

### Math.

1. Find the area of the given circle. Round to the nearest tenth. *theres a picture of a circle and the radius is 3.5* A. 22.0 cm *squared* B.38.5 cm *squared* C. 11.0 cm *squared* D. 42.8 cm *squared* 2.Find the circumference of the given circle. Round to the nearest tenth. *...

### Visual Basic (Computer Programming)

ALGORITHM EXERCISES 1. Wilma Peterson is paid by the hour. She would like a program that both calculates and displays her weekly gross pay. For this exercise, you do not need to worry about overtime pay, as Wilma never works more than 40 hours in a week. Desk-check your ...

### Economics

Could you please check these thanks. Directions match each item with the correct statement. Not all terms are USED. Here are the words to fill in the blanks. business planning demand curve complements elastic demand expensive goods demand marginal utility expectations market ...

### algebra

Please correct,if necessary, and simplify using long division: (-72-4x^2+8x^3-36x) devided by (x-3). My solution: 8x^2+20x+24 ------------------- 8x^3-4x^2-36x-72 8x^3-24x^2 ------------------ 20x^2-36x-72 20x^2-60x ----------------------- 24x-72 24x-72 -------------------------

### Algebra 1 Please bobpursley

This is what the exact paper says Algebra 1 PAP Creature teacher Obj: TLW creat a creature to represent a varable to be used to simplify an expression. Each student must will be assigned a variable ( mine being C): the student is to create a creature to represent that variable...

### algebra 2

I don't know how to do this the speed of train A is 18mph slower than the speed of train B train A travels 190 miles in the same time it takes train B to travel 280 miles find the speed of each train please help so i can pass my quiz.

### Algebra 2(check) cont..

1)solve the inequality -3(r-11)+15>_9 my answer = r<_13 2)solve the inequality -2<4z+10<_12 my answer = -3<z<_1/2 3)solve the inequality 2x-5<_10 or 33-4x<5 my answer is x<_15/2 or <7 4)solve the inequality 3(absolute bars m-4)>6 my answer is m...

### MAth algebra 1

Steve is driving to a ski resort. At first, he drove at a rate of 65 mph. Then a snow storm started and he had to slow down to 40 mph. In total. it took him 6 hours to drive 310 miles. Which system of equations represents this situation? A. 6x + y= 1 x + y= 310 B. x + y= 105 ...

### govenment

1)In what ways does the existence of minor parties also work to strengthen the United States' two-party system? 2)What does the fact that aliens generally are not allowed to vote show about American beliefs? It shows that Americans believe that no one should dictate american ...

### English

Imagine what will happen in the future world and write down sentences related to the future world. 1. We will go to Mars. 2. We will make robots clean the house. 3. We will not get sick. 4. We will fly in the air. 5. We will go to the USA in 10 minutes from here. 6. We won't ...

### accounting

CHOI ENTERPRISES Inv. No. Check Date Description Name or Date No. Terms Amount Dec. 16 Merchandise sold (cost $4,600) Hanna Seppa 916 2/10, n/30 $7,700 17 Received credit memo on returned merch. Funk Company Dec. 15 1,040 17 Purchased office supplies KK's Supply Company Dec. ...

### Math

Find X 27^4x-2=243^3x+6 Please explain how to do it. Thanks 27^(4x-2)=243^(3x+6) Notice that 27 and 243 are both multiples of 3 Changing them.. (3^4)^(4x-2)=(3^6)^(3x+6) 3^4(4x-2)= 3^6(3x+6) taking the log base 3 of each side. (4x-2)= (3x+6) and solve for x. That doesn't work ...

### Gr.12 Chem - PLEASE CHECK MY ANSWER

Hi, Im learning about polymers. I did a lab to make slime where I mixed PVA glue & water. I then added borax to some water in another container, and the poured off the water from the wet borax. I then added the borax to the glue/water solution. I have to make a procedure that ...

### algebra

Assume you work at a company where you are paid hourly. You are paid $8.60 per hour for regular time (less than or equal to forty hours) and time and a half for overtime hours up to fifty hours in one week. If you are asked to work fifty or more hours in one week you are paid ...

### Math

Please check my answer to see if I got it right. Braden has 1 hour of math homework to do. He spends 2/5 of this time complaining about how much he hates math, 1/3 of the total time looking for his calculator. How much time does Braden actually work on his math homework? My ...

### English

1. Raise your hands to shoulder height. 2. Lower your hands to foot height. 3. Lift your right hand to nose height. 4. Lift your left hand to eye height. 5. Bend your body left, and then bend your body right. 6. Bend your body to the left, and then bend your body to the right...

### Math

Please double check Real Numbers and Order |4| + |3| Answer: 7 |-9| - |4| Answer: 5 Adding Real Numbers 7+ (-9) + (-5) + 6 Answer: 17 |-27 + 14| Answer: 13 Subtracting Real Numbers –1/2 – (-5/8) Answer: 2 –3.4 – (-7.6) Answer: -4.2 –54 – 119 Answer: 65 Multiplying ...

### English

1. He used to take a walk in the park. 2. He used to swim in this river. 3. He used to live in Chicago. 4. He used to drive a car to New York. 5. He used to walk his dog along the road. 6. He used to play soccer when he was young. 7. He used to cook noodles for his mother. 8. ...

### English

Could you please check the grammar in the following sentences, please? Thank you. 1) On 1 September 1651 he went to Hull to see a friend, who had a ship and was sailing for London. 2)Without much thinking about his father’s warning, he got on his friend’s ship and left for...

### Math

an algebra book weighs 6 oz less than twice as much as grammar book. if 5 algebra books weigh the same as 8 grammar books, how much does an algebra book weigh?

### Chemistry-check answer please

I am given a question where I have to state which combination of electrodes will result in the greatest voltage and which will result in the lowest voltage. The metals given are Zinc, Copper, Silver and Hydrogen I think that silver and copper would give the greatest voltage ...

### Of Mice and Men ASAP

Hi My summer reading list is due on monday and i'm running out of time to finish this book (it has 6 chapters) I don't have the book with me anymore sadly because it wasn't my book. I wanna know if you can tell me the conflict in each chapter please please please thank you :)

### linear algebra

which of the following sets of vectors span R^3? a.){(1, -1, 2), (0, 1, 1)} b.) {1, 2, -1), (6, ,3, 0), (4, -1, 2), (2, -5, 4)} c.) {(2, 2, 3), (-1, -2, 1), (0, 1, 0)} d.) {(1, 0, 0), (0, 1, 0), (0, 0, 1), (1, 1, 1)} can someone show the steps to check for one of them and i ...

### History Check Please!

Please check! Thanks! 1. How did the hundred year’s war contribute to the decline of the medieval era? a) It encouraged kingdoms to look to explorer other lands b) It initiated reforms within the church that weakened the papacy c) It lead to the collapse of the federal ...

### Calculus

Can you please check to see if these answers are correct? I have provided my work as well! That you! This is much appreciated!! 1. What is the volume of the solid that is generated by revolving the region bounded by the curves x = 3y^2-2 and x = y^2 and y = 0 about the x axis...

### Early Child Ed.

Please check these questions and my answers. If I am wrong-please let me know. 1. Which one of the following statements is an example of the cognitive process called categorization? A. A child begins to as "why" about almost anything he or she does. B. A child's early ...

### Art

Could you please check these sentences, too? Thank you very much. 1) The Augustan were interested in real life. As for politics/as far as politics is concerned, the two main political parties were the Tories and the Whigs. 2) The poor used to live in terrible conditions. 3) ...

### Physics please help! check if its correct

A 3.00 kg stone is tied to a thin, light wire wrapped around the outer edge of the uniform 8.00 kg cylindrical pulley. The inner diameter of the pulley is 60.0 cm, while the outer diameter is 1.00 m. The system is released from rest, and there is no friction at the axle of the...

### algebra

Which choice is the equation of a line that passes through the point (5, –1) and is perpendicular to the line represented by this equation? y = −x + 5 A. y = x− 6 B. 5x − y = 5 C. y = −x− 1 D. 2x− 5y = −1 can someone please show me ...

### Algebra help please :)

Hey I was wondering if someone could help me with this. I know it's simple but It's for some reason harder for me. If someone can help me it will be really much appertiativ write an equation and solve tofind the solution to the following problem you have $27 to spend at the ...

### English

Thank you very much for your corrections. Here are two sentences for you to check. 1) Thank you for your prompt reply. How could I start and finish off my letter addressed to the principal of a high school? 2) Could you suggest to me an internet site where I could find schools...

### 11th grade Algebra II

if the roots of ax^2+bx+c=0 are real, rational, and equal, what is true about the graph of y= ax^2+bx+c? 1.) it intersects the x-axis at two distinct points. 2.) it lies entirely below the x-axis 3.) it lies entirely above the x-axis 4.) it is tangent to the x-axis i think the...

### Algebra

Chart with a month bill for water which is $35.00. Question is Lynne has a watering can that holds 16 cups of water, and she fills it half full. Then she waters her 15 plants so that each plant gets the same amount of water. How many cups of water will each plant get? Please ...

### Algebra 2

E6------E= -0.378eV E5------E= -0.544eV E4------E= -0.850eV E3------E= -1.51eV E2------E= -3.40eV Use the figure shown above to determine how much energy a hydrogen atom with its electron in the E2 energy level must absorb for the electron to be removed from the atom. a. -0....

### math

The table lists data regarding the average salaries of several professional athletes in the years 1991 and 2001. year average salary 1991 $263,000 2001 $1,430,000 a)Use the data points to find a linear function that fits the data. b) Use the function to predict the average ...

### Math Challenge Check

I am playing a dice game with my friend Kyle. Each of us roles a standard six-side die obtaining a number at random from 1 to 6. What is the probability that my number is greater than Kyle’s number? Answer below was posted last night. Is the answer correct? Will someone ...

### English

1. I want my photo to be deleted by you. 2. I want my photo deleted by you. (Are both grammatical? Which one is a common one?) 3. He hung the picture on the wall. 4. The criminal was hanged at the prison last year. (Are both okay?) 5. Make your message clear. 6. You should be ...

### Chemistry

Please please help me on this equation I'm stuck and your steps are confusing. Calculate the concentrations of each ion remaining in solution after precipitation is complete. (Enter a 0 if none of the ion remains.) Cl ‾ Ca2+ I have Ag+=0 and NO3^-3= 0.13 but I can't seem...

### English- The Lord of The Flies

CHapter 2: Why do you think the beastir comes to dominant the meeting? What does it symbolize? Please help me out on this one. I cant figure it out and its so frusterating! Thank you so much! I have never read this book. If no one else has, please check it out at http://www....

### For Dr.Bob222 (chem work)

What is the pH of a solution of 120 ml 0.15M acetic acid to which we add 30mL 0.2M NaOH? CAN YOU CHECK MY WORK PLEASE? 0.15 mol/L * 0.12 L = 0.018 mol acetic acid 0.2 mol/L * 0.03 L = 0.006 mol NaOH 0.018 - 0.006 = 0.012 mol of acetic acid in excess pH = pKa + log (acid/base) ...

### algebra word problem

Describe the values for x that may not be appropriate value even when they are defined by a function A function could, for example, indicate the amount of bone strength (y) in a living human body over time in years(x) . It would not make sense to look at negative years, ...

### college algebra

Two cyclists, 64 miles apart, start riding toward each other at the same time. One cycles 3 times as fast as the other. If they meet 2 hours later, what is the speed (in mi/h) of the faster cyclist? Let "x" be the slower rate the faster rate is "3x" x+3=2x 64/2=32 2x=32/2 x=16...

### Spanish #1 (URGENT)

Can someone please check my work? Look at the words in the vocabulary list and write them in the appropriate column. Items in word bank may be used more than once. las cortinas el armario el espejo el televisor el comedor la cómoda la cama el sofá la lámpara EL COMEDOR el ...

### Exp. Growth + Decay (HELP ME PLEASE!)

1. Suppose you invest $1,000 in a CD that is compounded continuosly at the rate of 5% annually. What is the value of this investment after one year? two years? five years? A=1000(e^(.5x1)) = 1648.72 A=1000(e^(.5x2)) = 2718.28 A=1000(e^(.5x5)) = 12182.49 2. A colony bacteria is...

### English

Can you please check these sentences for me? Thank you. 1)When you set the table, you place (lay) the table cloth, the napkins, the cutlery,the dishes (soup and a dinner plate),the vinegar and oil bottles, the salt and pepper pots on the table. 2)They called the waiter ...

### English

1. I would prefer not to eat that. 2. He slaved at his job so his family would have everything they needed. 3. Your cholesterol balance is good. 4. He slipped into the room. 5. Clip two sheets of paper together. 6. The whole universe knows it. 7. I won't force you to come, but...

### Chemistry - Lewis Structures (check + help)

I am asked to draw lewis strcutures of the following molecules and ions SF6, BrF5, XeF4, PF5 and IF4-. I have to follow a specific format to draw them, below is an example of SF6, where am i going wrong in the table, since i am not getting six bonds, nor am i successful with ...

### please

tell sme the answers to pig skin geogphy right now please right now please well i need them poisted

### maths

the sum of 3rd and 5th terms of an a.p is 38 and sum of 7th and 10th terms of an a.p is 83,find the a.p. please help all questions please help please.

### Maths-can someone explain something to me???

hey, can someone explain vectors to me? im soooooo lost, I don't understand them at ALL. please please please help me. :(

### Math, Please Help! I don't understand!

Please help me! I don't understand how to solve. Solve each equation for the given variable. 37. x/a - 1 = y/b for x 39. V = 1/3 * pi * r^2 * h for h What do these equations mean? I am super confused. Please help.

### mat117/algebra

The area of a rectangle of length x is given by 3x^2 + 5x. Find the width of the rectangle. Show me the formula and how to use it please. area= length times width 3x^2 + 5x = x * width divide both sides by x, then you have width.

### Algebra 1 (Reiny)

Will you please explain the steps I must take in order to graph these linear inequalities? Graph each system of linear inequalities. Give two ordered pairs that are solutions and two that are not solutions. 1. y < 2x - 1 y > 2 2. x < 3 y > x -2 3. y => 3x 3x + y...

### pre-algebra

I need to figure out how to convert 11inches to the actual length of 550 to scale. Please help 550 what? miles? feet? inches? If you want 550 of some length unit to be represented as 11 inches on a map or scale drawing, divide all lengths by 50.

### algebra

hat sizes are determined by measuring the circumference of one's head in either inches or centimeters. Use ratio and proportion to complete the following table. Hat size head to 1/5 in head cm 7 1/8 22 2/5 57 ______ ______ 55 Someone please help! i am completely lost with this...

### Algebra 2

At the ruins of Caesarea, archaeologists discovered a huge hydraulic concrete block with a volume of 945 cubic meters. The block's dimensions are x meters high by 12x - 15 meters long by 12x - 21 meters wide. What is the height of the block? Can someone please show me how to ...

### Algebra 1--Please, help me!

Find any excluded values of each rational expression. 1. t - 1/ t^2 - t A: Excluded value: 1. Simplify each rational expression, if possible. Identify any excluded values. 2. 3x^2/6x^3 A: 2x; x ≠ 2 3. 2n/n^2 - 3n A: ? 4. s + 1/s^2 - 4s - 5 A: ? 5. 12 - 3x/x^2 - 8x + 16 A: ?

### Algebra. NEED HELP ASAP PLEASE

The formula F=(9/5)C+ 32 F=95C+32 may be used to convert Celsius temperatures to Fahrenheit temperatures. What is the range of Celsius temperatures if the Fahrenheit range is -65°F to 60°F.

### algebra 2..PLEASE HELP!!!!!!!!!!!

GIVE THE APPROPRIATE ANSWER FOR THE MEASUREMENT.. 2 REVOLUTIONS PER SECOND TIMES 60 SECONDS PER MINUTE 120 revs / min 2revs/sec x 60 sec/minute = 120 rev/min

### Algebra

WELL SOMEONE HELP ME SOLVER THIS PROBLEM PLEASE!!!!!! Janet can shovel snow from her driveway in 55 minutes. Jim can do the same job in 50 minutes. How long would it take Janet and Jim to shovel the driveway if they worked together?

### algebra

the function W(d)=0.112d approximates the amount in centimeters of water that results from d cm of snow melting. Find the amount of water that results from snow melting from depths of 18 cm, 49 cm, and 98 cm. I am having problems figuring this out and I can not remember how to...

### algebra

the function W(d)=0.112d approximates the amount in centimeters of water that results from d cm of snow melting. Find the amount of water that results from snow melting from depths of 18 cm, 49 cm, and 98 cm. I am having problems figuring this out and I can not remember how to...

### algebra

Tell whether equation represents direct variation. If so, identify the constant of variation 1. Y=8x Ans: yes, it represents direct variation because its in the form Y=kx. Constant of variation: 8 2. Y=2x+1 3. 3x+y=6 Please help, not too sure if I am understanding this ...

### Algebra

1.Solve | x-1/5|=3 A.x=-14/5 or x=16/5 ***** B.x=14/5 or x=-16/5 C.x=-14/5 or x=-16/5 D.x=14/5 or x=16/5 2.The table shows the relationship between two variables. Which selection describes the relationship? X=1, 2, 3, 4 Y=2, -3, -8, -13 A.increasing; linear B.increasing; ...

### Algebra

An object is dropped from a height of 1000 cm above the ground after t seconds is given by the formula below- d = 10tsquare + 1000 How far above the ground is the object, when it has fallen for 6 seconds? Please show your work.

### Algebra

Can you please confirm that my answer is correct to this problem? 80x2^ - 96x + 27 =0 I am using the quadratic formula to solve... I would put the formula here but I can't put the square root sign in here. My answer is -1.33 and -2.22 Is this correct? thank you

### English

1. Some said yes and others said no. 2. Some said yes and the others said no. 3. Some said yes and some said no. 4. Some said yes, others said no, and the others were silent. 5. Some said yes, some said no, and the rest were silent. (Would you check the expresions? Correct ...

### Calculus rate of change

Can you please check my answers and fix the ones if any that are wrong. Along with help on part d Consider the following fun f(x)=(3/4)x^3- x^3-3x^2+6x A.find relative extrema and identify max and min. I got x=1 max ,±√2 min B.determine the interval(s) where f(x) is ...

### Physics

A sphere of radius R has inhomogeneous charge distribution on its surface. Its surface charge density is σ = σ0 cos θ, where σ0 is a positive constant, and θ is the angle from the “north pole” to the point of interest and satisfies 0 ≤ θ...

### English

Can you please check these other questions, too? Thank you very much. 1) What characterized the 18-century novel? 2) How did the writer achieve the ideal of realism in the 18-century novel? 3) Refer briefly to the structure of Defoe's novel? 4) What kind of narration dos he ...

### Algebra I

Can anyone summarize the quadratic formula? I am trying to understand this for algebra without any unnecessary and overused words involved like Wikipedia and sites that give me a headache. I just want a paragraph (or more than if its impossible to paraphrase) that is straight...

### word unscramble

xhfzhgzhoita Check the spelling. I found no matches.

### English

Could someone check my answers for this exercise. Dangling Modifiers

### computers

What is the main disadvantage of relying on spell check on your computer?

### math

can someone check my answer Graph by first solving for y. x + 2y = 8 x-x+2y=8-x 2y=8-x 2y/2=8/2-x y=4-x y=4-x/2 y=4-1/2x

### math

can someone check my work? divid t^11/ t^3 is the answer t^3r2

### english

i had a parargrahp writen i want you to check if its right orno t.

### science

i need help making a catapult. im gonna check my pc tomorrow

### Math problem check

Simplify: (2/a + 6/b) / (8/ab + 4/a^2) I have the answer as a(3a+b)/(4a+2b) Is that correct?

### Math check

Find the y-intercepts for the function given by: f(x)= 4/(x+5)-1/(x-4)/2/(x-3)+3/(x+2) I am stuck

### Math check

express in terms of i and simplify: srqt-54 is it -3isqrt6?

### Math Check

Solve: x^-2 - x^-1= 5/4 I have the answer as (5+/- sqrt29)/2 Is this right?