# Trig check my work please?

88,597 results, page 28

### Math

Please help me factor this, I just can't get it to work. -12x^2 - 35x - 18 Thanks!

### Algebra

Is the Riemann Hypothesis correct? Why or why not? Please show your work.

### Math- Urgent

15=y+24 What does y equal? Please show all work.

### Math- Urgent

1/4 w=13 What does w equal? Please show all work.

### Math- Urgent

2e= 4e-16 What does e equal? Please show all work.

### Math - Urgent

3/4x+2=7+1/3x What does x equal? Please show all work.

### Math - Urgent

3-2/9b=1/3b-7 What does b equal? Please show all work.

### Math - Urgent

3-2/9b=1/3b-7 What does b equal? Please show all work

### Math - Urgent

2/3x+1/2x=5/6+2x What does x equal? Please show all work.

### Algerbra

Divide (x^6-13x^3+42)/(x^3-7) Please show me how to work the problem

### Math- urgent

-4x-2+3x=4 What does x equal? Please show all work.

### Math

If the problem is: 3x-22 = x+80 what would x equal? Please show your work.

### Quick math help

Can some please help me work out each of these systems? 2. 4x-y=9 Y+2x=12 3. X+3y=13 Y=5-x 4. 3a+b=6 a=10-3b

### Quick math help

Can some please help me work out each of these systems? 1. 4y=13+2x 6x+4y=9 2. Y=6-2x 5x=14-3y 3. 4x-6y=15 6x=10+4y

### calculus help

find y' and y'' for the equation below. Show work please!!! y= (x^3)/((x+1)^2)

### Algebra

solve by substitution. Please show all work. -6x+5y=1 6x+4y=10

### Algebra 2

Solving Quadratic Systems x+2y=4 3x-y=5 Please show work!!!

### Algebra 2

Solving Quadratic System y=4x+1 2x-y+1 Please show work!!!

### Algebra 2

Solve Quadratic System x^2+y^2=2 x^2-6y=10 Please show work!!!

### Algebra 2

Solve the system algebraically 2x^2-5y^2=1 x^2+5y^2=68 Please show work!!!

### Math

What is 8 3/4 - 5 5/6 =? Shouldn't the denominator be 24 ? What is this answer please show the work.

### Math

Add the following. 2/6 + 3/5 + 2/5 + 4/8 + 4/6 =? Please show all the work.

### Math

5. Find 4 ratios equivalent to 30% Show work please thank you

### Trig

The angle 2x lies in the fourth quadrant such that cos2x=8/17. 1.Which quadrant contains angle x? 2. Determine an exact value for cosx 3. What is the measure of x in radians? ---------------- I know that quadrant 4 has 2x in it, so quadrant _____ has to have x ? for part 2, ...

### statistics

A survey for brand recognition is done and it is determined that 68% of consumers have heard of Dull Computer Company. If a survey of 800 randomly selected consumers is to be held would it be unusual for 554 of them to recognize Dull Computer Company? Please show the work so I...

### Calculus 2

An underground tank full of water has the following shape: Hemisphere - 5 m radius. at the bottom Cylinder - radius 5 m and height 10m in the middle Circular cone radius 5 m and height 4 m at the top The top of the tank is 2 m below the ground surface and is connected to the ...

### Math

PLEASE PLEASE HELP ME WITH THESE 2 PROBLEMS STEP BY STEP AND SHOW WORK! z/12=9 what is the value of z show how you found it. 5 x g= 230 what is the value of g show how you found it. PLEASE I REALLY NEED HELP!!!

### graphing-reposting

It looks like a double ski ramp...going down, min, then up, then way down to the bottom of the hill, then up slightly, then down. The first minimum is greater than the small rise at the bottom Sketch the graph of a differentiable function y = f(x) with this property: A local ...

### math

1)Question : granny georgette and kiwi have a combined age of 77 if kiwi is 13 years less than twice granny georgette age how old is kiwi. please check my answer and correct me if i'm wrong. please. . . . thanks thanks

### ss --- pls check my work!!!

hi, can somebody pls check my work asap!?? 1. Who was the African American who called the war with Mexico "disgraceful" and "cruel"? (1 point) Santa Anna Frederick Douglass*** Davy Crockett Sam Houston 2. When Mexico won its independence in 1821, it inherited the New Mexico ...

### Vectors

Could you please help me solve this question: Solve this system of equations using elementary operations. 1. x/3 + y/4 + z/5 =14 2. x/4 + y/5 + z/3 =-21 3. x/5 + y/3 + z/4 =7 So far, I have multiplied all three equations by 60, to turn them into whole numbers. Then everytime I...

### Engineering Kinematic

The particle travels along the path defined by the parabola y=0.5(x^2). If the component of velocity along the x-axis is v=5t [m/s], determine the particle's distance from the origin and the magnitude of its acceleration when t=1s. The initial condition is t=0, x=0 and y=0. ...

### Math, Please Help!!!

an engineer designs a satellite dish with a parabolic cross section. The dish is 15 ft wide at the opening and the focus is placed 4 ft from the vertex. find an equation of the parabola. I know how to work this problem, but how do I know that I use the equation y^2 = 4px ...

### Math

please help please show work so i can do others ok so i have to find the equation of the linethat contains given point and is parallel to the given line then write a slope intercept form if possible (8,-4) y=-1/2x+11 I also have to do the same for this type and im stuck too (-...

### Spanish-Plase check

I had to make some negative sentences. Please check Thank you No tengo nada que hacer. No bebo nunca el batido. No bailo nunca. No hablo nunca francés. Tampoco hablo el alemán No compro ninguno. No quiero comer nada No quiero nunca contestar en la clase. Nadie uso este telef...

### math

We consider the non-homogeneous problem {y''-16y} = {256x^{2}} First we consider the homogeneous problem {y''-16y} = 0 : 1) the auxiliary equation is a r^2+br+c = =0 . ________________ 2) The roots of the auxiliary equation are (enter answers as a comma separated list). ...

### Economics

Willy's widgets, a monopoly, faces the following demand schedule (sales of widgets per month): Price $20 30 40 50 60 70 80 90 100 Quantity 40 35 30 25 20 15 10 5 0 Calculate marginal revenue over each interval in the schedule (for example, between Q = 40 and Q=35). Recall that...

### chemistry check my work

C7H6O3+CH3OH→C8H8O3+H2O In any experiment, 1.50g of salicyclic acid is reacted with 11.20g of methanol. The yield of methyl salicylate, C8H8O3, is 1.31g. What is the percent yield? percent is 77.l1% is this correct?

### Physics - please help!!

A 395.0 g block is dropped onto a vertical spring with a spring constant k = 252.0 N/m. The block becomes attached to the spring, and the spring compresses 0.29 m before momentarily stopping. While the spring is being compressed, what work is done by the block's weight? What ...

### Physics - please help me..

A 395.0 g block is dropped onto a vertical spring with a spring constant k = 252.0 N/m. The block becomes attached to the spring, and the spring compresses 0.29 m before momentarily stopping. While the spring is being compressed, what work is done by the block's weight? What ...

### science --- pls check my work!!!

hi, pls check my work asap! 1. A ___ has a definite shape and a definite volume. (1 point) solid*** liquid gas molecule 2. Why is a gas able to flow? (1 point) Its particles have melted and can move around.Its particles have high viscosity and can move around. Its particles ...

### 2 math ?s

Thank you so much in advance! Verify each identity. Work one side (the harder side) Please show me the work sin θ +cos θ cot θ= csc θ Cos^2 θ + 1 =2cos^2 θ +sin^2 θ

### Introduction to Graphic Design

Hello! Thanks for checking my question out! ____ 2. Jesse creates a self-portrait using painted canvas. Under which of the following categories does Jesse's art fall? (1 point) a) applied art b) fashion art c) fine art d) graphic art My Answer: C The reason why is because of ...

### Algebra 2/Trig

I've done every other single question besides this one. (There was 12). I'm stumped and would really appreciate some help! I have to simplify this: 5/3sqrt(3-4) I am not sure if you have to conjugate the denominator and multiply it with the top and bottom, then simplify from ...

### dr bob science

Thanks can you check one more If it takes 105 calories to warm 100g of aluminium from 20oC to 25oC, what is the specific heat of aluminium? Q = MxdeltaTxC 105cal = 100gx (5oC) x C C = .21 cal/gCo we get points off if we do not show our work and just give the answer

### Math

How do you work this problem step by step? p-12 when p= 22 We don't know what book you are using and probably none of us has a copy if you told us the name of the book. Please post your question and someone will try to help. Please be specific and tell us exactly what you don'...

### English

Tomorrow we have several events. I'd like you to know the schedule of our school. From June 2 through June 4, second year students have a school excursion (trip), which is a kind of study tour. They have a day off on June 5th. So you don't need to go to their classes for ...

### art/photography

1. In sandy skoglunds THE COCKTAIL PARTY what was the artist contrasting? 2. What did the artist say about her work? 3. What does the artist deal with in all of her illustrations? 4. What happens to sandy skoglunds installations pieces and what become of the work of art? 5. ...

### Math(analytic geometry)

I'm studying analytic geometry and i came accross this question;"find the tangents common to x²+ y²=8 and y²=16x.How am i going to work it out,please? I tried to work out their gradients which gave me x²+y²=8 2x+2ydy/dx=0 dy/dx=-2x/2y =-x/y y²=16 2ydy/dx=16 dy/dx=8/y so ...

### Chemistry

How many moles of steric acid are contained in 0.25mL of a hexane solution containing 5.4x10^-4 grams of steric acid/L? (Hint: g/L x L = g/ (g/mol)=mol). Please show your work. Please help. Thank you

### Chemistry

How many moles of steric acid are contained in 0.25mL of a hexane solution containing 5.4x10^-4 grams of steric acid/L? (Hint: g/L x L = g/ (g/mol)=mol). Please show your work. Please help. Thank you

### Physics

The heat of fusion for water is 3.3 x 105 J/kg. How much heat energy is needed to can 3kg of ice at 0°C to water at 0°C? Show your work. Help please!! Don't give the answer, but please help me find the answer?! Thanks

### Math

i) Predict whether the functions in each pair are equivalent by testing three different values of x. (3 marks each - show your work) ii) Determine whether the functions in each pair are equivalent by simplifying the expression on the right side. (2 marks each = show your work...

### grammar-check my work thank you

Identify the phrase in parentheses as a gerund phrase, participle phrase or infinitive phrase. When the Christmas holidays arrive, (bustling shoppers fill the stores). I think it is a gerund phrase because it acts as a noun

### calculus-integration!

should i use substitution?? if yes how should should i use it? plz i need some directions? k plz someone?...so far i used trig. substitution. i got a=8, so i used x=asin(è)so according to this substitution i got x=8sin(è) and dx=8cos(è) dè...then i used used the plug them ...

### physics

A child pushes a merry-go-round with a force of 80.0 N at an angle tangent to the circle (that is, perpendicular to a radius). If the child pushes it through exactly one full circle, and the merry-go-round has a radius of 1.15 m, how much work does she do? If you could please ...

### chemistry

A proposed mechanism for a reaction is: (i) A + B2 AB2 Ea1 = 12 kJ/mol ƒ´H1 = 3 kJ/mol (ii) AB2 + C2 ABC + BC Ea2 = 30 kJ/mol ƒ´H2 = 5.2 kJ/mol (iii) ABC + B2 AB2 + BC Ea3 = 10 kJ/mol ƒ´H3 = -7.8 kJ/mol a) Which is the rate determining step? Explain why. (ii) is the rate...

### Living environment(please check thank YOU Ms.Sue)

Cause: When hydrochloric acid backs up into the esophagus Effect: called Acid Reflux Cause: As a result of the acidic ph in the stomach Effect: help break down food Cause: As the epigolottis covers the larynx, Effect: I NEED HELP WITH THIS Cause: when reverse peristalsis ...

### Spanish-SraJMcGin-Please check

I had to describe a picture-the girl has a yellow t-shirt , a brightly colored skirt, blue sandals, purple necklace,two pink bracelets,green earrings. Could you please check? 1.Ella lleva los aretes verdes. 2.La camisa es brillante. El color es amarillo. 3.Su falda de colores ...

### CAL

consider the area between the graphs x+3y=1 and x+9=y^2. this area can be computed in two different ways using integrals. Please integral both ways both respect to x and to y. ANd please show your work and thank you

### math

a tank was 10 percent full and contained 30l of water what is the full capacity of the tank please dear lectures it is not my homework i am poor in math and tommorow is my test if i could please get the work now

### algebra 2 help please/check

The first 3 terms in a geometric sequence are 1.1, 1.65, and 2.475. Part A: What is the sum of the first 6 terms of the sequence? Show your work. Part B: How does the sum of the seriesy differ from the 6th term? Explain. Part C: If the nth term in this sequence represents the ...

### language

think about the work you completed in your reading role determine the ideas that would be most worthy to share in a literary discussion about walk to moons provide an explanation for your choices how did the role you selected and the work you completed help you to understand ...

### 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?

### Business 101

Please check my work. 1.The employees of Abs “R” Us, which includes 12 fitness parlors in and around the metro area, feel they can improve the performance of the company. They decide to pool their resources to purchase the company. This would be called a blank buyout. A....

### Math- Check my answers please!

1. x^9 over x^2 A)x^11 B)x^7*** C)7 D)x^5 2. h^14 over h^5 A)h^-9 B)1 over h9 C)h^19 D)h^9*** 3.4^4 over 4 ^6 A)-16 B)16*** C)1 over 16 D)-1 over 16 4.5^0 A)0 B)5 C)1*** D)-5 5.7^4 over 7^2_____ 49 A)<*** B)> C)= D)none of the above 6.–2r(8r + 5) A)–16r2 + 5 B)–...

### Check my work please!

How does subduction change the ocean floor? a) subduction cause magma to accumulate on the ocean floor b) subduction causes oceanic crust to break into pieces c) subduction causes the ocean floor to sink into deep-ocean trenches d) subduction causes metamorphic rocks to form ...

### check

How do I right a check for 1,400 dollars?

### Algebra

Solve for x and check answer: Nx=4j-5x X=(4j)/(5+n) How do I do the check?

### Calculus

Greetings, So I've been working on this problem: H(x) = (x^4 - 2x +7)(x^-3 + 2x^-4) H'(x)= Kept on getting it wrong and I assumed it was an algebra mistake. After multiple tries I went to a few derivative calculators to check my work... What I saw was the calculators converted...

### Chem.

If 0.130 g of p-aminophenol is allowed to react with excess acetic anhydride , what is the theoretical yield of acetaminophen in moles? In grams? p-amino. - MW: 109.13g aceta. - MW: 151.16 g ** I just forgot how to do this, I know it's probably REALLY simple. I took a stab at ...

### Physics please check

Please tell me where i went wrong. During an all-night cram session, a student heats up a one-half liter (0.50 10-3 m3) glass (Pyrex) beaker of cold coffee. Initially, the temperature is 19°C, and the beaker is filled to the brim. A short time later when the student returns, ...

### Algebra Work Check

1. 5√6 * 1/6√216 5/6 * √1296 5/6 * √144 * √9 = 30 2. -9√28a^2 * 1/3√63a -3√1764a^3 -3√49a^2 * √36a -3*7a*6√a = -126a√a

### math

A firm advertises for workers to address envelopes. Priscilla says she will work 100 hours. Herb will work for 80 hours. If each can address 10,000 envelopes in the time they work, how long would it take them to address 10,000 envelopes if they work together? i am lost, can ...

### trig

y=2cot2x

### Trig

x[sqrt of 2] + 3x = 4

### trig

let f(x) =4x^4-6 evaluate f(3)

### trig

sec(15[pi])/(8)

### Trig

What is sin x= 13/12

### trig

y=tan(2x+3.14/4)

### trig

y=4cos(3x-2(3.14))

### trig

6^(x-36)=52 solve for x

### trig

Sin60

### trig

2tanx = 3=0

### trig

f(x)= 2sec(x-3.14/4)-1

### trig

y=1/4 cos (2/3 x +3 pi )

### trig

sin(pi/3)

### trig

solve: 1/m=m-34/2m^2

### trig

simplify (3x^2-5x+4)-(5x^2+7x-7)

### trig

1/4tan(2x)

### Trig

Solve: (2/y+2)+(3/y)=(-y/y+2)

### trig

y=7sin20degrees/5

### trig

50 feet

### Trig

Solve 5^2x -4(5^x)=12

### trig

8cos6xsin6x

### Trig

cos(3x)=-1

### Trig

4sin^(2)x-3=0

### trig

What is cosx=1/2?

### trig

1-2sin^2(2x)