Express x in terms of the other variables in the diagram below:

Express X In Terms Of The Other Variables In The Diagram Below:

Answers

Answer 1

From the diagram below , x = t ( r - h ) / h

Further explanation

Firstly , let us learn about trigonometry in mathematics.

Suppose the ΔABC is a right triangle and ∠A is 90°.

sin ∠A = opposite / hypotenusecos ∠A = adjacent / hypotenusetan ∠A = opposite / adjacent

There are several trigonometric identities that need to be recalled, i.e.

[tex]cosec ~ A = \frac{1}{sin ~ A}[/tex]

[tex]sec ~ A = \frac{1}{cos ~ A}[/tex]

[tex]cot ~ A = \frac{1}{tan ~ A}[/tex]

[tex]tan ~ A = \frac{sin ~ A}{cos ~ A}[/tex]

Let us now tackle the problem!

Look at ΔADE in the attachment.

We will use the following formula to find relationship between variable t and h:

tan ∠A = opposite / adjacent

[tex]\tan \angle A = \frac{DE}{AD}[/tex]

[tex]\large {\boxed{ \tan \angle A = \frac{h}{t} } }[/tex] → Equation 1

Look at ΔABC in the attachment.

We will use the following formula to find relationship between variable r , t and x:

tan ∠A = opposite / adjacent

[tex]\tan \angle A = \frac{BC}{AB}[/tex]

[tex]\large {\boxed{ \tan \angle A = \frac{r}{x + t} } }[/tex] → Equation 2

Next we can substitute equation 1 to equation 2 :

[tex]\tan \angle A = \frac{r}{x+t}[/tex]

[tex]\frac{h}{t} = \frac{r}{x+t}[/tex]

[tex](x + t)h = r ~ t[/tex]

[tex](x + t) = \frac{(r ~ t)}{h}[/tex]

[tex]x = \frac{(r ~ t)}{h} - t[/tex]

[tex]x = \frac{(r ~ t)}{h} - \frac{(h ~ t)}{h}[/tex]

[tex]\large {\boxed {x = \frac{t(r - h)}{h}} }[/tex]

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Answer details

Grade: College

Subject: Mathematics

Chapter: Trigonometry

Keywords: Sine , Cosine , Tangent , Opposite , Adjacent , Hypotenuse , Triangle , Fraction , Lowest , Function , Angle

Express X In Terms Of The Other Variables In The Diagram Below:

Related Questions

whats the slope intercept for x-8y=-6

Answers

The slope-intercept form of a line is in the form y = mx + b. So basically if you want to put the equation of a line in slope-intercept form, you solve for y.
x - 8y = -6
-8y = -x - 6
y = (1/8)x + 3/4

30/20=w/14 solve for w

Answers

Using cross multiplication,
30 x 14 = 20 x w
so
w = 420/20
w = 21

Which of these transformations are isometries? The diagrams are not drawn to scale.

Answers

The answer is all 3 of them. Transformations are isometries if distance between all dots are maintained the same. Easier way of spotting these is to check if all angles and all sides of surfaces are the same as before.

First and second we flipped horizontaly while last one we flipped both verticaly and horizontaly but sides and angles remained the same.

Answer:

the answer is D. I, II, and III

Step-by-step explanation:

Brown has own bakery he baked 5 cakes per day due to occasional christmas story to be in the whole christmas week how many cakes will he bake

Answers

she would make 35 cakes

The length of a rectangle is 3 inches more than twice its width, and its area is 65 square inches. What is the width?

If w=the width of the rectangle, which of the following expressions represents the length of the rectangle?

1. 2w+3
2. 2(w+3)
3. 3(2w)

Answers

That makes no sense, what DO you get?

The correct answer is, A, or question 1, or 2w + 3.

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Find the dimensions of a right-circular cylinder that is open on the top and closed on the bottom, so that the can holds 1 liter and uses the least amount of material? ...?

Answers

Volume of cylinder:
V = πr²h
The desired volume is 1 Liter = 1000 cm³
1000 = πr²h
h = 1000/πr²

Surface area of cylinder:
S.A = 2πr² + 2πr²h
We substitute the value of h from the first equation:
S.A = 2πr² + 2πr(1/πr²)
S.A = 2πr² + 2/r
Now, to minimize surface area, we differentiate the expression with respect to r and equate to 0.
0 = 4πr - 1000/r²
4πr³ - 1000 = 0
r = 4.3 cm
h = 17.2 cm
Final answer:

The dimensions of the right-circular cylinder, which has a volume of 1 liter and uses the least amount of material, are such that the radius and twice the height are equal to the cube root of the volume divided by π, i.e., (0.001/π)^(1/3).

Explanation:

In Mathematics, given the volume of a right-circular cylinder (an open top can), we can find its optimal dimensions that would use the least amount of material. These dimensions correspond to the minimum surface area of the cylinder, which includes its closed bottom but not the open top.

Since the volume V of a right-circular cylinder is given by V=πr²h, where r is the radius and h is the height. We know that the volume equals 1 liter or 0.001 m³. Rearranging the volume equation for h gives us h=V/(πr²).

Next, the surface area A of the cylinder with closed bottom is A=2πrh+πr². Substituting h=V/(πr²) into the surface area gives A=2r(V/r)+(πr²) which simplifies to A=2V/r+πr². For the surface area to be minimum, the derivative of A with respect to r must be equal to zero. The first derivative of A is A'=-2V/r²+2πr. Set A'=0 we solve for r we find r=(V/(π))^(1/3). Substituting this value back into the equation for h gives us h=2*(V/(π))^(1/3).

Hence, for a right-circular cylinder of 1 liter volume (0.001 m³) to use the least amount of material, it should have a radius and twice the height equal to the cube root of the volume divided by π, i.e., (0.001/π)^(1/3).

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A high school chorus has $1000 in its school account at the beginning of the year. They are putting on a fall concert to raise money for a trip later in the year. At the concert last year they sold tickets for $10 each. If they sell tickets at the same price the total amount in the chorus account can be represented by the linear function T = 10x + 1000. If they increase the ticket price to $15, how many tickets will they have to sell to have a total of $4000 in the account?

A) 100 tickets

B) 150 tickets

C) 200 tickets

D) 250 tickets

Answers

C. 4000-1000=3000/15=200

How many times does the graph of the function below intersect or touch the x-axis? y=-3x^2+x+4 ...?

Answers

when the graph touches x axis at that point y = 0

 So, putting y =0
  0 = -3x^2 + x +4
so, if you factoriazte it

−3x^2++4x−3x+4=0

−3x(x+1)+4(x+1)=0

(x+1)+(−3x+4)=0

x=−1,4/3

So, two time at -1 and 4/3 it touches the x-axid

Answer:

The answer is 2 times.


Lynn and dawn tossed a coin 60 times and got heads 33 times what is the experimental probability of tossing heads using Lynn and dawns results

Answers

Answer: Experimental probability of tossing head is [tex]\frac{11}{20}[/tex]

Step-by-step explanation:

Since we have given that

Number of times Lynn tossed a coin = 60 times

Number of times head comes = 33

Experimental probability of tossing heads using Lynn and drawn results is given by

[tex]\frac{\text{Number of favourable outcomes}}{\text{Total number of outcomes}}\\\\=\frac{33}{60}\\\\=\frac{11}{20}[/tex]

Hence, Experimental probability of tossing head is [tex]\frac{11}{20}[/tex].

Answer:

experimental probability of tossing heads using Lynn and dawns results is [tex]\frac{11}{20}[/tex].

Step-by-step explanation:

Given :Lynn and dawn tossed a coin 60 times and got heads 33 times

To find : what is the experimental probability of tossing heads using Lynn and dawns results.

Solution : We have given that  

Number of times Lynn tossed a coin = 60 times.

Number of times head comes = 33.

 Probability of tossing heads using Lynn and drawn results is given by:

  = N[tex]\frac{number of favouable outcome }{total possible outcome}[/tex]

= [tex]\frac{33}{60}[/tex].

On simplification

=[tex]\frac{11}{20}[/tex].

Therefore, experimental probability of tossing heads using Lynn and dawns results is [tex]\frac{11}{20}[/tex].

Does 1/3 divided by 4 equal 1/12

Answers

yes that statement is correct

The product of some negative number and 4 less than twice that number = 336. find the number

Answers

x^2-2x-168=0(x-14)(x-12)=0x=14 or -12since we want a negative number, -12-12 -28

For every problem-solving activity it's crucial that no less than five alternatives be considered.

True
False

Answers

Yes this is true. For every problem-solving activity it's crucial that no less than five alternatives be considered.

Problem-solving activity includes

1.Understanding the problem,that is nature of the problem, then Completely define in your own way.

2. Determining why this problem has accrued,

3.  Identifying the ways to solve the problem,

4. Prioritizing the given alternatives that is ways  and then arranging the alternatives for a solution,

5. Then applying the best solution or arrangement for the given problem.

There are two ways considered for  problem-solving activity

(1). Trial and Error  (2) Reduction in steps

It totally depends on the kind of problem , which you are solving. There may be Less than  five alternatives  ,equal to  five alternatives or more than  five alternatives to solve the problem.

Option B: False

what is the base salary for the Bit Labs?
Hours of training Monthly salary
10 1250
20 1400
30 1550
40 1700
50 1850
60 2000
70 2150

Answers

Let's make the base salary equal to x.
1) x + 10y = 1250   (base salary+ 10 hours of working = $1250 total we receive)2) x + 20y = 1400   (base salary+ 20 hours of working = $1400 total we receive)
Solve for y,
Once you obtain your y-value substitute it back into one of the beginning equations to find your x value.

Find the zeros of g(x)=x2+5x−24g

Answers

I'll assume the 'g' at the end is a typo and shouldn't be there. Set the right side equal to zero and solve for x

x^2+5x-24 = 0

(x+8)(x-3) = 0

x+8 = 0 or x-3 = 0

x = -8 or x = 3

The zeros or roots are x = -8 or x = 3
❀Hm, I'm pretty sure you should solve for g. If so, then the first step we would need to do is add 24g to both sides:
gx+24g=x^2−24g+5x+24g
gx+24g=x^2+5x
❀Now you are going to factor out variable g:
g(x+24)=x^2+5x
❀Finally divide both sides by x+24:
[tex] \frac{g(x+24)}{x+24 } = \frac{x^2+5x }{x+24 } [/tex]

❀Your answer is:
[tex]g= \frac{x^2+5x }{x+24 } [/tex]

❀Good Luck❀

find the HCF of 140,210,315

Answers

(On the far left, it says 140 at the top and then 5 to the left of 28)
The answer is 35, let me know if you can't read anything or have any questions. Hope this helped :)
it would be 35.

hope this helps you

What's the answer I don't know it

Answers

the answer is 45 degrees

It'a complementary angle, which adds up to 90 degrees. So when you subtract 45 from 90 degrees, you get 45 degrees as your result.

What is the day 1,000,000 days from now?

Answers

From Today (Monday 21 November 2016) it will be Tuesday 19th October 4754
Final answer:

One million days from now would be roughly the year 3759 AD. The exact day and month would fall sometime in March or April due to the complexities of our modern calendar system.

Explanation:

To answer your question of what is the day 1,000,000 days from now, we'll need to do some calculations. There are approximately 365.25 days in a year (this includes the extra day every four years for leap years).  

1,000,000 divided by 365.25 equals approximately 2737.85 years. This means that 1,000,000 days from now it would be the year 3759 AD (assuming the current year is 2022).

As for the exact day, we'll consider that a year is made up of 365 days, and the .25 accounts for leap years. However, the calculation of the exact date and month is quite complex due to the irregularities in our Gregorian calendar. It would fall sometime in March or April of 3759 AD.

Note that this calculation does not consider minute changes in Earth's rotation over time or potential changes in our calendar system.

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How do you simplify cscx*secx-tanx?

Answers

csc x · sec x - tan x = 
= 1 / sin x · 1 / cos x - sin x / cos x = 
= 1 / sinx cos x - sin² x / sin x cos x = 
= ( 1 - sin² x ) / (sin x cos x) =
=  cos² x / ( sin x cos x ) = 
= cos x / sin x = cot x 

What is the correct radical form of this expression? (32a^10b^5/2)^2/5

Answers

The answer is choice A and here's why

The 2/5 outer most exponent means that we can break it down into 2*(1/5). The 2 is going to apply as an exponent for the whole parenthesis group. The 1/5 indicates we have a 5th root (similar to a square root or cube root,but instead of 2 or 3, it's 5)

In essence, I'm saying that [tex]\LARGE x^{m/n} = \sqrt[n]{x^m}[/tex]

Please help, need it so much!
[9.06] Jacob kicks a soccer ball off the ground and in the air with an initial velocity of 33 feet per second. Using the formula H(t) = −16t2 + vt + s, what is the maximum height the soccer ball reaches?

15.1 feet

16.5 feet

17.0 feet

18.2 feet

Answers

H[33/22] = - 16 * (33/32)^2 + (33/32)*33  + 0

= approximately 17.0 feet

Hope this helps

Answer:

C. 17.0 feet

Step-by-step explanation:

We have been given that Jacob kicks a soccer ball off the ground and in the air with an initial velocity of 33 feet per second. We are asked to find the maximum height the soccer ball using formula [tex]H(t)=-16t^2+vt+s[/tex].

First of all, we will substitute [tex]v=33[/tex] in our given formula.

[tex]H(t)=-16t^2+33t+0[/tex]

Since our given parabola has a negative leading coefficient, so it will be downward opening parabola. The maximum height of the ball will be y-coordinate of the vertex of parabola.

Let us find x-coordinate of parabola as:

[tex]\frac{-b}{2a}=\frac{-33}{2\times -16}=\frac{-33}{-32}=\frac{33}{32}[/tex]

Now, we will substitute [tex]x=\frac{33}{32}[/tex] in our formula to find y-coordinate of vertex.

[tex]H(\frac{33}{32})=-16(\frac{33}{32})^2+33(\frac{33}{32})+0[/tex]

[tex]H(\frac{33}{32})=-16*\frac{1089}{1024}+\frac{1089}{32}[/tex]

[tex]H(\frac{33}{32})=-16*1.0634765625+34.03125[/tex]

[tex]H(\frac{33}{32})=-17.015625+34.03125[/tex]

[tex]H(\frac{33}{32})=17.015625[/tex]

[tex]H(\frac{33}{32})\approx 17.0[/tex]

Therefore, the ball reached the maximum height of 17.0 feet and option C is the correct choice.

A triangle has three sides and a pentagon has five sides. true false

Answers

That would be a true statement.

Trylon Eager took out an $85,000, 20-year term policy at age 40. The premium per $1,000 was $5.00. He will be 60 years old this year. The premium per $1,000 will be $5.90. The percent increase to the nearest whole number is ____%. (Enter only the number.)

Answers

So based on the given values above, it was given that the premium per $1,000 was $5.00 and now that he is 60 years old, the premium per $1,000 became $5.90. Therefore, the percent increase from $5.00 to $5.90 would be 18%. Hope this is the answer that you are looking for. 

14/5 the fraction as a percentage

Answers

14/5 *100 = 2.8*100 = 280%

Answer:

The fraction 14/5 can be expressed as 280 percent.

A(r) is a function that gives the area of a circle with radius r. It can be written in equation form as A(r) = 3.14r2. What is the value of A(3)? A(r) is a function that gives the area of a circle with radius r. It can be written in equation form as A(r) = 3.14r2. What is the value of A(3)?

Answers

I have a solution here wherein instead of A(3) it is A(4):


Plugging the numbers into the equation we get 4x4x3.14 which is 50.24

I hope you could use my method for solving the A(4) in solving the A(3)


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if x=y and y=2 then 3x=

Answers

I believe that the answer is 6. Feel free to check yourself but i think its 6
3x=3y=3*2=?
try urself and tell me the result

plz help asap!!!! the perimeter of a rectangle is 200 cm. what is the length of the rectangle if the width is y cm?

Answers

y= 20
the length is 80 

How can an expression written in either radical form or rational exponent form be rewritten to fit the other form?

Answers

An expression when written in either radical form or rational exponent form be rewritten to fit the other form as well.

   

When we write in different forms the Denominator defines as the Index  and the Numerator defines as Power on the variable.

For Example:-

  We can write  [tex]4^{\frac{2}{3}[/tex]  as   [tex]\sqrt[3]{4^2}=\sqrt[3]{16}=\sqrt[3]{8*2}=2\sqrt[3]2}[/tex]

Again, vice versa,

For example:-

   We can write [tex]\sqrt[5]{x^4}[/tex] as [tex]x^{\frac{4}{5}[/tex]

Therefore , we can written in other forms as well to fit .

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To convert from radical form to rational exponent form, use [tex]\( \sqrt[n]{a} = a^{1/n} \),[/tex] and vice versa for conversion.

An expression written in radical form can be rewritten in rational exponent form and vice versa using the following conversions:

1. From Radical Form to Rational Exponent Form:

  - For a radical expression [tex]\( \sqrt[n]{a} \), where \( n \)[/tex] is the index and [tex]\( a \)[/tex] is the radicand:

  - The equivalent expression in rational exponent form is [tex]\( a^{1/n} \)[/tex].

2. From Rational Exponent Form to Radical Form:

  - For an expression [tex]\( a^{m/n} \)[/tex], where [tex]\( a \)[/tex] is the base, [tex]\( m \)[/tex] is the numerator, and [tex]\( n \)[/tex] is the denominator:

  - The equivalent expression in radical form is [tex]\( \sqrt[n]{a^m} \).[/tex]

These conversions allow us to switch between radical form and rational exponent form easily. It's important to remember that the index of the radical corresponds to the denominator of the rational exponent, and the exponent of the base corresponds to the numerator of the rational exponent.

ALGEBRA 1 help please!! Urgent

Answers

 y = -9/10x + 5/3
9/10x + y = 5/3...multiply entire equation by common denominator 30
27x + 30y = 50 <==
27x+30y=50 is the equation written in standard form.

how many grams of O2 are in 5.0 mol of the element? Can someone tell me if I have this right please.? 1 mole of O2 = molecular wt of 32
so 5 mol = 32 *5=160 g ...?

Answers

Answer:

160g

Step-by-step explanation:


A salad bar offers 8 choices of toppings for lettuce. In how many ways can you choose 4 or 5 toppings? ...?

Answers

combinations 8C4 + 8C5 = 8*7*6*5 8*7*6 ------- + ---- 4*3*2*1 3*2*1 = 70 + 56 = 126
The solution to the problem is as folllows:

combinations 8C4 + 8C5


= 8*7*6*5 8*7*6

4*3*2*1 3*2*1 =

70 + 56

= 126


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