# Calculus (Answer Check)

85,792 results, page 85

### Technology

1. What column do you put deposits in when you are balancing your checkbook? A. date B. transaction** C. debit D. credit 2. When creating a formula for balancing a checkbook, what do you subtract from the credits? A. debits B. check numbers** C. transactions D. dates 3. Why is...

### statistics

In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities. More than a decade ago, high levels of lead in the blood put 89% of children at risk. A concerted ...

### Statistic

In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities. More than a decade ago, high levels of lead in the blood put 87% of children at risk. A concerted ...

### Pre-Calculus

Driving down Bald Mountain in Wyoming, Bob dean finds that he descends 1600 feet in elevation by the time he is 2.5 miles (horizontally) away from the high point on the mountain road. Find the slope of his descent (Hint: 1 mile = 5280 feet) After converting the miles to feet I...

### chem. check

Can u please check these questions..thanks! Redox Stoichiometry 1.A 2.45g zinc metal strip is placed into an 2.3 x 10-1 mol/L solution of tin (II) bromide. If all the zinc and tin (II) bromide react, what was the volume of the solution. My answer: 8.62L is the volume of the ...

### Math

So she saw 461 dolphins that are 5 year so we don't need to estimate on this problem. So I did 461/5 is 92 is the answer. Then the said how many did he spot per summer in the 5 summers he worked so I think we need to divide the answer which is 92 and the 5. 92/5 18 is your ...

### maths

a mathematics question contained 20 items. every wrong answer scores -2marks, every correct answer scores 4marks and no mark for no answer. find the maximum possible score

### 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 ...

### English expression

Is this your mother? Yes, It is. In the short dialogue. "This your" is pronounced as a linking sound just like one word. Look at the short answer. "It is' is pronounced as a linking sound as well. It is pronounced like one word. Repeat after me. ------------- Would you check ...

### English

Can you please check these other sentences I'm not sure of? Thank you. 1) After visiting the Roman findings (better ruins/remains) in Aquileia, we had a "free lunch". (we were free for lunch, we were free to have lunch where we wanted, our teachers gave us some free time for ...

### chemistry

In the chemical plating experiment zinc powder is dissolved in a hot NaOH solution to form sodium zincate according to the following reacton: Zn(s) + 2NaOH(aq) Na2ZnO2(aq) + H2(g) Answer true or false for each of the following statements regarding the reaction above. Zn(s) is ...

### 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 ...

### MATH CHECK ANSWERS

CHECK THESE MATH ANSWERS PLEASE 1. There are 18 boys and 12 girls in a math class.what is the ratio of girls to total students? A.18:30 B.12:30(I PICK THIS) C.30:12 D.30:18 2.which of the following ratios are equivalent to 6:9? Choose all that apply. A.3:2 B.18/27 C.30:45 D.24...

### MATH CHECK ANSWERS

CHECK THESE MATH ANSWERS PLEASE 1. There are 18 boys and 12 girls in a math class.what is the ratio of girls to total students? A.18:30 B.12:30(I PICK THIS) C.30:12 D.30:18 2.which of the following ratios are equivalent to 6:9? Choose all that apply. A.3:2 B.18/27 C.30:45 D.24...

### English

Could you check this exercise, I had to complete the text. I wrote my answer with capital letters. Thanks so much When I first met Steve, our senior manager, he seemed to me rather PATIENLY and somewhat DECISIVE especially when it was necessary to take some serious decisions ...

### Physics

I have these two equations that I'm supposed to set equal to each other and find the answer for h which is height for this problem. But I don't think I'm solving it correctly. 0 - (h/5) = -1.1(v0) - (1/2)(-9.8)(1.1)^2 (v0)^2 = 2(-9.8)(h/5 - h) My final answer was h = 412.90 to...

### Please check my Calculus

1. Find all points of inflection of the function f(x)=x^4+x^3 A. (0, 0) and (-½, -1/16) B. (-½, -1/16) C. (0, 0) D. (0, 0) and (-¾, -27/256) E. none of these I got A. I found the second derivative and solved for x and plugged in the values to find the points. 2. Given that ...

### Calculus

Find the derivative w/ respect to x: g(x) = ln(sec(x))

### Calculus

find anitderivative of 30sqroot(x+4) What is the derivative of (x+4)^(3/2) ?

### pre- calculus

how do you find the root(s) of the equation x^2+3x-4=0

### calculus

how can I calculate this deriivative: 1/(sin(x-sinx))?

### Calculus

Problem 49. Find the critical values f(x) = (4x^2 - 9) / x

### Calculus 2

Find the length of the spiral r=a(Theta) on [0,Pi]

### calculus

If 4x^(2)+5x+xy=4 and y(4)=-20, find y'(4) by implicit differentiation. I got y'=(-8x-5-y)/(x)

### calculus

calculate the indefinte integral (x^2+2x+3)/(sqrt of x)

### Calculus

If A=125e^-kt and A=200 when t=3, find the value of k.

### Calculus

Find the coefficient of the x^2 term in the expansion of (3x - (2/x^2))^8

### Math

Find dx/dy by implicit differentiation x^2y+y^2x P.S: It's calculus

### Calculus III

(24cos(8x))/(1+(sin^2(8x))) Integrated from (pi/16,-pi/16

### Calculus

Average Value of a Function f(x) =(1)/(X-3)^2 in the interval [0,2]

### calculus

find the conjugate on z times w if z=[3,120] and w=[-1,-15]

### calculus

find the (conjugate of z) times (w) if z=[3,120] and w=[-1,-15]

### calculus

How would you sketch the graph of E(v)=aLv^3/v-u

### CALCULUS

For the piecewise function, find the values g(-8), 8(3), and g(8). g(x)={X+6,FOR X<=3 7-x, for x>3

### Pre-calculus

Describe the end behavior of f(x)=2x^4-5x+1.

### Calculus

I need help finding the vertical asymptote of f(x)= 1-x -------- 2x^2-5x-3

### calculus

Factor the given equation: p(x) = x^3 - 25x

### calculus

Evaluate the following limit lim x^2 + 3x - 40 x-->5 ------------- 3x + 10 - x^2

### Calculus

How is 2cos(4x) the derivative of f(x)=sin(2x)cos(2x)?

### Calculus

If d/dx(f(3x^5))=9x^4, find f'(x) I can't figure out what this means

### Differential Calculus

Find the limit of (10^x - 5^x)/x as x approaches 0

### Calculus

Find dy/dx by implicit differentiation. sqrt(3 x+y)=2+x^2y^2?

### calculus

find the critical numbers of the function 2t^(2/3)+t^(5/3)

### Calculus

How do you integrate square root of (4-x^2) ? Pleasee help!

### Calculus

series: n=1 to n=inf of 6/(n^3-4) convergent or divergent?

### calculus

Let f and g be differentiable everywhere. If g is the inverse of f and g(-2)=5 and f'(5)=-1/2, then g'(2)=? PLEASE HELP! Thanks

### multivariable calculus

int (30y1y2)dy1 ?

### calculus

the second derivative of y for the point (-1,1) for the equation x^2y+3y-4=0

### calculus

implicit differentiate this equation in terms of y x^2y^2=(y+1)^2(4-y^2)

### calculus

find dy/dx of xsiny+cos2y=cosy

### Calculus

If f(x) and g(x) are continuous functions with f(6)= 3 and limit as x approaches 0 of (5f(x) - g(x)) = 4, what is g(6)?

### Calculus

Washer Method: y=x^3, y=1 ,x=2 aroud the Y axis

### Calculus

I am lost. Find dy/dx by implicit differentiation. 1) 5y-2x^2=x-3

### calculus

how do you find the x and y intercepts of an equation? i forgot.

### calculus

Find a formula for the inverse of the function f(x) = (4 x-1)/(2x+3)

### calculus

evaluate: integration of x^2 (square root of (1-2x^3))dx

### Calculus

Evaluate the integral: sin^2(5x)cos^2(5x)dx

### calculus

integrate log base 10 x / x dx i don't understand this

### calculus

sec^2(x) / (1+2tanx)^2 dx please help me with this integration thank you

### calculus

what are the steps and explanations for differantiating this function? y = ln(e^-x + xe^-x)

### Calculus

How does ln(e^-x) = -x I know that the derivative of ln is 1/x so it would be 1/(e^-x) but how does that simplify to -x? I am confused....

### calculus

how do you take a limit of [ln(1+e^n)]/2n as n goes to infinity?

### calculus

how do you find the limit as n approaches infinity of n/(2^n + n)?

### Calculus

How to integrate with position, velocity and accelleration

### Calculus

Evaluate the limit. lim x-->infinity 5x+6/6x^2-3x+7

### Calculus

f(x)=sin^(7)x The 7 is an exponent and the x is not. Find the derivative.

### calculus

find the max point on the graph f(x) = -1/3x^3 + 3x^2 - 5x

### calculus

Differentitate y = e^x^2 -^5^x +^4 so far i have dy/dx = 2x e^(x^2) - 5^(x)* ln 5 + can you help with the rest?

### calculus

simplify the following: 2ln(x-3)+ln(x+2)-6ln(x)

### Pre Calculus

log(log10^10,000)

### Calculus

Using the first of these limits, find f'(3) if f(x)=4x^2+4x-2

### calculus

find the first derivative of f(x)=(3-4x)^5tan(2x^2-x-1)

### Calculus

The expression e^x / e^(4+x) can be written as e^f(x), where f(x) is a function of x, find f(x)?

### calculus

Find the limit. lim (5u^4+7)/(u^2-2)(2u^2-1) u-->infinity

### calculus

Determine whether f '(0) exists. f(x) = {xsin(10/x) if x can not = 0 0 if x=0

### Calculus

[Inverse Functions] f(x)= 5cos(x)sin^(-1)(x) f'(x)=?

### calculus

Differentiate the following function. y = (5 x^2 + 7 x + 6)/sqrt(x)

### calculus

If 5x^2+3x+xy=2 andy=-12, find y'(2) by implicit differentiation.

### Calculus (derivatives)

Find the derivative of cos^2(4x)

### Calculus

What is the antiderivative of f(x)= 2x^8 + 10x^5 - 8x^4 - 4? I got (2/9)^9 + (10/6)^6 - (8/5)^5 - 4x but it's not right.

### Calculus

The linear approximation at x = 0 to sin (5 x) is A + B x. Find A and B?

### calculus

find the derivative of y=sqrt of arctan x

### calculus

what is the the derivative of the absolute value fuction x-3

### Calculus

3 ⌠ 2⌡ (2x^2+5) / x^2 dx =? I got 1.66 but it was wrong.

### Calculus

Find the area enclosed between f(x)=0.4x^2+5 and g(x)=x From x=-5 to x=8

### calculus

find the derivative of f(x)=cot(3x)csc^2(3x)

### calculus

For a function f, let f*(x)=lim (f(x+h)-f(x-h))/h h->0 Determine f*(x) for f(x)=cos(x)

### Calculus

Express the four fourth roots of 1/2 + ã3/2 i

### Calculus

Express the following in Sigma notation 2+8+18+32+50+72

### Calculus

Express the following in Sigma notation 2+8+18+32+50+72

### calculus

U-Substitution 1. 3x(sin^2((3x^2)+1)cos((3x^2)+1)dx 2. (x^3)(sqrt((3x^2)+1)) dx u = ((3x^2)+1) then?

### Calculus

The total area enclosed by the graphs of y=6(x^2)–(x^3)+x and y=(x^2)+7x is ..

### Calculus

lim x->9 1 1 - - - 3 square root of x ___________________________ x-9

### calculus

Deternime the instantaneous rate of change at x=2 for: y=x-2x^3

### calculus

please help! Find the derivative of f when f(x) = 5 tan^-1 (e^-x) + 6e^x

### calculus

Use the principles definition to find dy/dx for: y= -3x^2

### calculus

lim sinx as x approaches pie/r

### calculus

lim (-x+10)/(x©÷-100) x¡æ10 is this correct? 1/20

### Calculus

Evaluate the indefinite integral. (e^7x)/(e^14x+16)dx