Calculus (Answer Check)
88,467 results, page 3

PreCalculus check answers
Describe the linear programming situation for this system of inequalities where you are asked to find the maximum value of f(x,y)=x+y. Answer: an optimal solution 2)Describe the linear programming situation for this system of inequalities: Answer: an optomal solution 
Math Check
Hi! Can someone check my answers for this question? Thanks!! Directions: Look for the probability for an experiment that deals with the drawing of two marbles (without replacement) from a bag containing one green, two yellow, and three red marbles. Put the final answer in a/b ... 
Math Check
Hi! Can someone check my answers for this question? Thanks!! Directions: Look for the probability for an experiment that deals with the drawing of two marbles (without replacement) from a bag containing one green, two yellow, and three red marbles. Put the final answer in a/b ... 
Calculus Precalculus
Answer the calculus question about Point P, 45 mph, etc. It is ALREADY posted on here. 
COLLEGE CALCULUS. HELP!
the fundamental theorem of calculus, f(x)=∫(0,x) t^3+2t^2+2dt, and find f"(x). my answer was: f'(x)=x^3+x^2+2 f"(x)=x^4/4 + 2x^3/3 + 2x it said its wrong. 
GRAMMAR HELP plz check ;;
"You have the answers in the back of the book," he said, "so you should check every answer." A.The period belongs outside of the quotation marks. B. (So) should be capitalized. C. Delete the comma after the word book. D. No revision is necessary. Im guessing that my answer ... 
math
At a quality control checkpoint on a manufacturing assembly line, 8% of the items failed check A, 10% failed check B, and 2% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a product failed check B, what is... 
Math
At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a product failed check B, what ... 
Math
At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a product failed check B, what ... 
Algebra (check my answers)
Please check these answers. Multiply 7(2a2 4) = 14a2 + 28 Multiply 0.5(a + b 5) = 0.5a + 0.5b  2.5 Factor bx  by + bz = b(x  y + z) Combine like terms (simplify) 12x + 4  11y  6x  9  y = 6x  12y  5 Evaluate the expression 3x2y when x = 3 and y = 5 Answer: 135 ... 
Calculus check
y=1/sqrt(x^2+1) , then dy/dx= A. x/(x^2+1)^1/2 B. x/(x^2+1)^1/2 C. x/(x^2+1)^1/2 D. x/(x^2+1)^3/2 E. x/(x^2+1) I got B. 
Algebra
Hi! I just want you to check if my answers are correct. Factor the expressions: 1. 15a^2(b2)^2 + 20a^3(b2)^3 = my answer is 5a^2(b2)^2 [3 + 4a(b2)] 2. 18p^2q^3 (r6)+ 24(r6) = my answer is 6(r6)[3p^2q^3 + 4] 3. 24(xy)^2 + 48(yx)  72(xy)^3 = my answer is 24[(xy)^2 + ... 
algebra  check my answer?
A square field has an area of 479² ft What is the approximate length of a side of the field? Give your answer to the nearest foot. Explain A = 479 sq ft 479 = x^2 square root of 479 = square root of x^2 21.89... = x Rounded = 22 ft Is my answer okay? Please check 
Mathwhich is correct
1 euro is worth 1.2 U.S dollars if I budget 150$ per night for a hotel room. What is the maximum number of euros I should spend for a room? My answer is 108 euros as a maximum (with an actual number of 107.425) Correct??? * Mathcheck my answer  DrBob222, Tuesday, September ... 
Math
Can you please check my answers for these questions? I'm having a little trouble with my signs, because I sometimes substitute in wrong, so I get these wrong because of that, Thank you! For the following problems, use f(x) = x^2+ 3; g(x) = –3x; h(x) = 8x  5; a. (f + h)(x... 
Calculus Check
A survey of one thousand people found that 70% of the people have a CD player, 85% have a telephone, and 45.2% have a computer. At least how many people have all three objects? Is the answer 152? 
Health care please check my answer
Please check my answer thanks What does term Apex represent . A 65 year old has a murmor over the apex of the heart. A. tip B. nearest the middle C. front D. Back I think it is A tip 
Reiny and steve do this for me please
1. Consider the functions f(x)=1/(x)+4 and g(x)=2/(x). Graph f and g on the same grid. a) Determine the points of intersection of the two functions. b) Show where f(x)<g(x). c) Solve the equation 1/(x)+4=2(x) to check your answer to part a). d) Solve the inequality 1/(x)+4&... 
math. can someone do this for me please....
* Consider the functions f(x)=1/x +4 and g(x)=2/x. Graph f and g on the same grid. a)Determine the points of intersection of the two functions. b)Show where f(x)<g(x). c)Solve the equation 1/x +4=2/x to check your answer to part a). d)Solve the inequality 1/x +4<2/x to ... 
Simplify
Simplify the following number. ∛729 I think it is ∛9, but I do not know. Please help, and check my answer. I will appreciate it if you guys can answer this as soon as possible. It is part of a RATIONAL EXPONENTS question. The original equation was 9^(1/3)∙&#... 
Calculus
Hello, Could somebody kindly check my answer for the following question? Find the derivative of the following function: h(x)=3e^(sin(x+2)) h'(x)=3'(e^(sin(x+2))+3(e^(sin(x+2))' h'(x)=0(e^(sin(x+2))+3(e^(sin(x+2))(cos(1)) h'(x)=3cos1(e^(sin(x+2)) I would greatly appreciate your... 
math plz check ;;
Choose the correct graph for the linear equation 2x  3y = 12. a.y=3x b.y=3x+4 c.3y=x4 d.y=3x4 plz check if my answer is correct. My answer is c ^^; 
Calculus AP  Volume of Revolution
Hi. I have a few calculus problems that I have to do using the washers and shell method to find out what the volume of the graph rotated is. I'll post one question at a time with my work. The problem is, I should be getting the same answer for the problem with the shell method... 
Calculus (Please Check my answers)
Find the average value of the function i=15(1e to the power of 1/2 t) from t=0 and t=4? A.7.5(1+e^2)<< my answer B.7.5(2+e^2) C.7.5(2e^2) D.7.5(3e^2) Find the rms value of the function i=15(1e to the power of 1/2 t) from t=0 and t=4? A.7.5 sqrt 1+4e^2 e^4 &... 
Calculus
I was wondering if you would be able to check if my answers are correct: 1. An oil tank is being drained for cleaning. After t minutes there are v litres of oil left in the tank, where v(t)=40(20t)^2, 0<=t<=20. Determine the rate of change at the time t=10. For this ... 
rounding to sig figs
round the following to THREE significant figures: i tried some of them...please check to see if i did them right...thank you a) 356,309 a. Answer: 356,000 b) 0.05738949 a. Answer: 0.0574 c) 0.05999999 a. Answer: 0.0510 d) 583,689 a. Answer: 584,000 e) 3,556 a. Answer: 3,560 f... 
Calculus Check
A survey of one thousand people found that 70% of the people have a CD player, 85% have a telephone, and 45.2% have a computer. At least how many people have all three objects? Is the answer 258, because that's what I keep getting? 
Algebra
Hello, can someone help me solve and check the following 1) x  8 = 20 Check: 2) x + 15 = 35 Check: 3) x +6 = 3 Check: The symbol 'x' is in italic. If I can understand the symbols better, I belive I can get the hang of the course. 
Check Calculus
What is the sum of 3 forces in equilibrium? Is it F3 =  (F1 + F2) or 0? 
Check Calculus
What is the sum of 3 forces in equilibrium? Is it F3 =  (F1 + F2) or 0? 
Calculus check revised.
y=1/sqrt(x^2+1) , then dy/dx= A. x/(x^2+1)^1/2 B. x/(x^2+1)^3/2 C. x/(x^2+1)^1/2 D. x/(x^2+1)^3/2 E. x/(x^2+1) I got B. 
Calculus check
If f(5)=3 and f'(5)=2, find the derivative of x^2f(x) at x=5. A. 0 B. 18 C. 12 D. 20 E. 80 I got D 
Calculus check
The limit as x approaches 1 (x^31)/(x^21) is I got 3/2 
please check my answer health insurance
Please check my answer thanks :) True or False If an enrollee uses more services then first thought they would per the PPOM calculation then the plan would show a loss for that period I said True 
American Gov
The major function of Congress: A)is to check the president B)is to inform the people C)is to enact legislation D)is to check the Supreme Court Is C the correct answer? 
algebra1
the problem is 5f+7 less than or equal to 22. can anyone please work this out for me and check it for me? and what i mean by checking it is like when you get the answer you check it and make sure its write. 
Math
Please check my answer. Four girls went to Friendly's. The check comes to $36. They want to leave a 20% tip. How much should each girl pay? 36 ÷ 4= $9.00 $9.00 × 20%= $1.80 $1.80 + 9.00= $10.80 each 
Algebra
Solve for x and check answer: Nx=4j5x X=(4j)/(5+n) How do I do the check? 
pre calculus
can you check my work? find two sets of parametric equations for the given rectangular equation x+y^2=4 x=y^2+4 y=t^2 x=t^2+4 x=t^3 y=t^3+4 Find a polar equation of an ellipse with its focus at the pole an eccentricity of e=1/4 and directrix at y=4. answer: √(x^2 + y^2... 
Algebra
Hello, can someone tell me if I got the following solve and check work correct? 1. solve and check 1/2x = 3 5/6 1/2x = 3 5/6 1/2x = 23/6 3x = 23/3 x = 23/3 And to check for it 1/2x = 3 5/6 1/2x = 23/6 46x = 6 x = 6/46 x = 3/23 2. Solve and check 3x + 2 / 2 = 7 3x + 2 / 2 = 7 ... 
Calculus really quick check
The graph of f ′(x) is continuous and decreasing with an xintercept at x = 2. Which of the following statements must be true? Edit The graph of f has an inflection point at x = 2. The graph of f has a relative maximum at x = 2. The graph of f is always concave down. MY ... 
Math Check over please
A ball is dropped from a height of 3m and bounces on the ground. At the top of each bounce, the ball reaches 60% of it's previous height. Calculate the total distance travelled by the ball when it hits the ground the fifth time. Could you please check over my answer? Sn= a(r^n... 
Science
A ___________ helps demographers predict which age groups will experience the most growth. Please check your assigned reading and post your answer. We'll be glad to help you when we see your thoughts about this subject. telescope? A telescope is used to see distant objects  ... 
Calculus Please Check my answers
Which of the following functions grows the fastest as x grows without bound? f(x)=x^2 g(x)=x^2+5x <<<<MY ANSWER h(x)=(sqrt x^4+2x) They all grow at the same rate Compare the growth rate of the functions f(x)=4^x and g(x)=(sqrt 16^x+2^x) f(x) grows faster than g(x) ... 
Science  Please Check my Answer
My problem: A swimmer travels from the south end to the north end of a 30.0 m pool in 15.0 s and makes the return trip to the starting position in 19.0 s. What is the average velocity for the second half of the swim? My answer: 1.60 m/s to the south Please check! I will really... 
Math check answers please
Sorry to bug again but can someone check my answers please thank you. 1. Simplify the expression 3w10w A. 13w B. 7w C. 7 D. 7w 2. Y+2y+3z A. 2y+3z B. 3y+3z C. 2y^2+3z D. 6yz 3. 6r+r5r A. 2r B. 1r+r C. 0r D. 7r5r 4. 5x+2(x+6) A. 7x+6 B. 7x^2+12 C. 7x+12 D. 7x (x+6) 5. 3m+... 
Grammar check
Hello, can you please check my answer. Which of the following sentences is written in the subjunctive mood? A. If the sun is shining, then I will wear sandals. B. It was the weekend, so she slept until noon. C. My health teacher recommends that I eat five servings of ... 
SpanishCheck please! I need help
Please checkI'm having a problem interpreting these questions and I have to answer them for homework. Could you please check my translation I'm not sure what these questions mean and I have to answer them for homework ¿Qué necesitas para comer en cereal?does this ask what I... 
Spanish Check
Hi! Can someone check my answers to these three Spanish sentences? Thanks! Directions: Rewrite the Spanish sentences in the present subjunctive. 1.) I feel that she is honest. My answer: Siento que ella es honesta. 2.) We doubt that the boys clean the room. My answer: Dudamos... 
Algebra 2 (check)
I have some problems that I've answered and I need someone to check to see if I'm right. Im just posting the questons and my answer,if its wrong I'll post my work,so here it is bear with me please and thank you. 1)name which sets of numbers to which 28 belongs. my answer = ... 
Physics check
I just want somebody to check my answer on this problem please :) There is a box which weighs 1000 kg. There is an applied force acting upon it with a force of 20000 N (horizontally). The mu is 1.2. What is the acceleration (again, horizontally) of the object? I got 8.24 m/s^... 
Calculus
Can someone check my work and answer? Evaluate the integral from 1 to 0 of (4x^6+2x)^3(12x^5+1)dx My work: let u=4x^6+2x dx=du/24x^5+2 now we have the integral from 1 to 0 of u^3(12x^5+1)(du/24x^5+2) Simplifies to the integral from 1 to 0 of u^3(1/2+1/2) simplifies to the ... 
PreCalculusPlease check
Please check: 1.Find polar equation of x^2 + y^2 = 10y subbed r^2 for x^2 + y^2 and sin(theta sin for y =r^2=10sin(theta) 2. y=5 r=5/sin 3. x^2+y^2 =x^2 + y^2 =2x+3y 
Calculus
Use the Fundamental Theorem of Calculus to find the area of the region bounded by the xaxis and the graph of y = 4 x3 − 4 x. Answer: (1) Use the Fundamental Theorem of Calculus to find the average value of f(x) = e0.9 x between x = 0 and x = 2. Answer: (2) Draw the ... 
Calculus check
The integral of (x^24secxtanx) dx= I got x^3/34secx+c 
algerbra
am i correct on this? question: solve and check square of 5x+6 is equal to x work and answer: square each side 5x+6=x^2 subtract 5x6 on both sides 0=x^25x6 (x+1)(x6) x+1=0 subtract 1 on each side x= 1 is a reject x6=0 add 6 on each side x=6 and 6 was my answer and the ... 
Algebra
Hiya. I have 7 expressions that I have been asked to simplify. I worked all of them out, and if you could, I'd like you to check my work for me. Here they are: 1. (x^2 + 3x  9) + (4x^2 + 2x  3) My answer: 4x^4 + 5x  12 2. (x  2)(3x + 5) My answer: 3x^2  30x  10 3. (r... 
math***CHECK ANSWER***
please check this one answer. 3.everyone in andy's class has to do a science project. Out of the 20 students,80% have completed their project.how many students still need to finish their projects? A.100 students B. 36 students C. 16 students D. 4 students (I PICK THIS) 
math (check answer plz)
Carol has a collection of 100 stamps the graph below shows the percentage of stamps she has from each country how many more of Carols stamps are from france than from england? France: 24%, England:22%, Norway:29%, Italy:25... 
Tina
How do I solve this? (2/3^2 divided by 4/5 divided by 1/3? I keep trying and anm coming up with the answer 25/4. Can someone check and see if I am wrong or right, and see what the answer is. Thanks! sorry 2/3^ divided by 4/5 divided by 1/3 2/3 squared is 4/9. Divided by 4/5 ... 
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 ... 
Calculus
Which of the following functions is continuous at x = 5? I put a for my answer, could someone please check this? a. f(x)=(x^225)/(x+5) b. (x^225)/(x5), x cannot equal 5 20 when x equals 5 c.(x^225)/(x5), x cannot equal 5 0 when x equals 5 d. all of the functions are ... 
MATh (check my answer please)
A salesperson makes a flat fee of $20 per day plus $8per hour. Which equation or inequality can be used to find h, the number of hours the salesperson will have to work to make more than $60 for a day's work? F. 20h + 8 = 80 G. 8h + 20 < 60 H. 8h + 20 = 60 J. 8h + 20 > ... 
ALGEBRA PLS HELP
CAN YOU CHECK IF IM RIGHT? 2 +5  ANSWER 7 5 +4 ANSWER: 9 5 +4 ANSWER : 9 5+2 ANSWER : 7 37 ANSWER : 4 
math check question
Subtract and Simplify: 4a^2/(ab)(4b^28ab)/(ba) I have the answer as 4(a+b)^2/(ab) or should it be 4(ab)^2/(ab) Responses Math problem check  bobpursley, Sunday, October 12, 2008 at 4:23pm just the numerator.. 4a^28ab + 4b^2, right? 4(ab)^2 Now does that reduce with ... 
Math please check answer
please check my answer thanks Janet took a standardized test that had 328 questions. She answered 75 %of the questions. How many questions did she answer P = R X B P = 75 % x 328 = .75 x 328 = 246 Portion = 246 
calculus
could some body please check this for me? 1. find the exact coordinates of the centroid of the region bounded by yx^2, the x axis, the y axis, and the line x=1? I said the answer was ((3/4), (3/10)) 2. Find the exact coordinates of the centroid of the region to the right of ... 
Algebra 2/Math
Can you check these thanks. Solve the system by substitution or elimination. 2x+y=1 3xy=14 Answer: (3,5) x3y= 12 2x + 11y= 7 Answer: (39,17) 4x+2y=8 12x+6y=24 Answer: no solution 4x2y=5 2xy= 1 Answer: no solution 4a+3b =6 8ab= 9 Answer: no solution 
Algebra 1
Can someone please check my answers? Thank You 1) Find an equivalent expression without parenthesis (y+87) Answer: y87 3) Solve 3x13x=96 answer: x= 6 4) Find the decimal notation 14/25 Answer: .56 5) Divide if possible 7/0 Answer:0 6) Solve 7x+10=52 Answer: x=6 
asu
calculus problem is u = 7i +9j + 2 k and v = 7i 9j  2 k. and my ans is 135 how to double check 
PreCalculus
Could someone check my answers? 27. (16/9)^2/3 = 64/27 28. (49/25)^3/2 = 343/125 31. (64)^2/3 = 8 32. (8)^4/3 = 1/16 or 1/16 
Calculus (check my answer)
The measurement of the edge of a cube is found to be 15 inches, with a possible error of 0.03 inch. Use differentials to approximate the maximum possible propagated error in computing the surface area of the cube. I got 5.4 inches squared. Is this right? 
Math  Check my answer?
Write the decimal 0.063 as a percent. Answer choices: 0.63% 6.3% 63% 630% MY ANSWER: 6.3% 
Calculus
Can you check my answer? Solve the separable differential equation: dy/dx=(sqrt(x))/2y y=(2/3)x^(3/4) Let f be the function given by f(x)=x^35x^2+3x+k is a constant. a) On what intervals is f is increasing? (oo,1/3), (3,oo) b) On what intervals is the graph of f concave ... 
Calculus Please Check my answers
f is a function that is differentiable for all reals. The value of f ′(x) is given for several values of x in the table below. The table: x 8,3,0,3,8 f'(x)4,2,0,4,5 If f ′(x) is always increasing, which statement about f(x) must be true? f(x) passes through the origin ... 
algbera (check answer)
Simplify the algebratic expression below. 3[(5x2y)4(x+y)+2y]2(8y3x) For my answer I got 13x9y which is wrong because its not in the answer choices. 
mathcheck
I have solved the following questions, let me know if they are correct, thanks. 1. Simplify, and write in the base of 3: (9^x . 3^4x)^2 answer: 3^12x 2. Differentiate and simplify a. y= 3x^4  4e^x + 8 answer: 4(3x^3  e^x) b. y= (3 + 4e^x)^5 answer: 20e^x (3+ 4ex)^4 c. y= (e^... 
Algebra Please Check answers
Directions: Determine whether each trinomial is a perfect square. If so, factor it. 2. 4a^2+4a+1 Answer: 2(a+1)^2 3. 9m^2+15m+25 Answer: no 4. d^222d+121 Answer: (d11)^2 Directions: Determine whether each binomial is the difference of squares. If so, factor it. 5. x^216 ... 
law please check my answer
please check my answer thanks :) Dr Bob thinks Sue a minor needs an operation . Sue's parents give their consent to the oeration this is an example of an informed consent True or False I said True 
Math/Algebra
Could you please check these thanks. Directions: Find each product 7(y+3) Answer: 7y21 a(4a1) Answer: 4a^2 2x^2(x^24x+2) 2x^2+8x^24x^2 Answer: 2x^2 
Math Check
All the directions say for these three problems is multiply and simplify. Are my answers correct? Thank you A)(x^2+2x3)+(2x^2x+1) Answer: 2x^36x^2+4x B)(x+1)(2x1) Answer: 3x1 C)(x2)(x^2+2x3) Answer: x^37x+6 
Math
Please double check me Dividing Real Numbers (9)(5)/3 Answer: 15 4 – (3) +1 / 2 –2 / (2) Answer: 2 16 / (2) * (4) / 2 3power + 4 Answer: 6 Subtracting Real Numbers –1/2 – (5/8) Answer: 2 –3.4 – (7.6) Answer: 4.2 –54 – 119 Answer: 65 Adding Real Numbers ... 
please check
the meaning of HUMDRUM is a) morose c) exciting b) ordinary d) disruptive my answer: b) ordinary INTERMINABLE most nearly means a) brief c) internal b) fruitful d) endless my answer: d) endless TRIVIAL is best defined as a) minor c) weighty b) important d)extended my answer: a... 
Calculus help and please check answer for a)
The decay of a certain substance is modeled by the function N(t)=100(3+e^(t/3), where the number of particles is represented by N in a time of t hours. a) what is the initial number of particles?  I set t as 0 and got an answer of 400 particles initially b) determine the ... 
Chem 20
Calculate the mass of strontium hydroxide required to make a 450mL solution with a pOH of 4.00. Step 1: Find pOH. I found that pOH is 10. The next steps is where I'm stuck. Step 2 :Calculate the hydroxide ion concentration. Express your answer in scientific notation. Spell ... 
SCIENCE CHECK
Pleas check the following for me... "A drop of oil (vol 0.051cm ) is released on to the surface of a pond where it covesr an area of 40cm2. Assume that the oil film has a uniform thickness equal to the diameter of an oil molecule. Calculate the diameter of an oil molecule & ... 
Math
Please double check Jean deposited a check for $625, wrote two for $68.74 and $29.95 and used her debit card to pay for a purchase of $57.65. How has her account balance changed? Answer: $468.66 
mathcalculus
1.For any function y+f(x), express dy/dx using limit notation. Give a clear explanation for your given answer. you probably meant to type y=f(x) By definition dy/dx = Limit (f(x+∆x)  f(x))/∆x as ∆x>0 The explanation of this equation is the whole basis ... 
Math Help
Please help me solve these two problems and check my answer :) 1. 3x5+x+2 My answer X= 17/3 2. 5/6x+1/4= 9/4 my answer X= 2 
Algebra, please check my answer!
Simplify. mn^4/p^0 q^2 a) mq^2/n^4 b) mp/n^4 c)mn^4q^2p^0 d)q^2/mm^4 **** ****= my answer. Please check this for me! 
Calculus check
An equation of the line tangent to y=sinx+2cosx at (pi/2, 1) is A. 2xy=pi1 B. 2x+y=pi+1 C. 2x2y=2pi D. 4x+2y=2pi I got A 
calculus check
If siny=cosx, then find dy/dx at the point (pi/2, pi) A. 1 B. 0 C. 1 D. pi/2 E. None of these I got C 
math
can someone check this for me 11)Subtract 5/6 3/5 My answer: .23 12)Add 1/3 + 1/5 + 1/10 My answer:.63 13) Divide .write each result in simplest form: 8/9 (divided by) 11/15 My answer: 1 and 1/20 5/63/5 is like saying: 25/3018/30 = 7/30 
Basic Math (Check my answer)
Which of the following is equal to 1/6 ÷ 1/18? Assume the shapes are rectangular. Describe another situation that this quotient models. A) The area of a planter that is 1/6 yard wide and 1/18 yard long. B)The width of a 1/18squaremeter flower bed that is 1/6 meter long. C)... 
Chemistry  check answers
Can someone please check my answers and make sure they're correct? A) How much heat would it take to raise the temperature of 46.0 g of water from 90.0 to 100.0 C? Answer using correct sig figs, sign, and units. My answer: +1.92x10^3 J B) How many joules are released when 84.0... 
Math (Check)
The equation y = a^x is a decreasing function a = 1) 1 2) 2 3) 3 4) .25 I think that the correct answer is 3) 3...but I am not sure why? Can anyone please check if I am right and explain why? Please....Thank you for your help!!! 
PreAlgebra(please check)
Please check these simplified expressions(my answer is after the ;) 4(2k6)8(33k); 16k(48) 9+(2k)+(4)6k; 8k+5 x+4x(8x)9+2x+1; 13x+(8) 5(3x+6)+8x; 7x+30 8+6x+48x; 2x+12 5(m3)+4m10; 9m+5 
math 1st grade can you check the answers
can you check this set of answer {10,14,18,22,26} mean=18 median=18 mode =no mode 
math
i need help in how to check my answer for an equation problem. The problem is n over 2 equals to 18 i already know what n is [36[ but now how do i check it 
Math Double check
Please double check me Find the median of the following set of numbers. 47, 20, 52, 35, 58, 57 A) 49 1/2 B) 47 C) 48 1/2 D) 52 Answer: c Which of the following numbers are integers? 2/3, 35, 0.093, 650, 42.5 A) 0.093 and 42.5 B) 35 and 650 C) 2/3 D) 650 Answer: A Determine ...