A guy wire for a suspension bridge runs from the ground diagonally to the top of the closest pylon to make a triangle. We can use the Pythagorean Theorem to find the length of guy wire needed. The square of the distance between the wire on the ground and the pylon on the ground is 90,000 feet. The square of the height of the pylon is 160,000 feet. So the length of the guy wire can be found by evaluating 90,000 + 160,000 . What is the length of the guy wire?

Answers

Answer 1

Answer:

The guy wire lenght is 500 ft.

Step-by-step explanation:

The Pythagorean Theorem says the sum of the squares two adyacent sides is equal to the square of the opposite side.

Applied in this example, we can rephrase it as:

The sum of the square of the pylon height with the square of the distance from the guy wire tip to the pylon is Equal to the  square of the Guy wire lenght.

So:

[tex]PylonHeight^{2}  + floordistance^{2} = GuyWireLength^{2} \\160.000 + 90.000 = GuyWireLength^{2} \\\\\sqrt{160.000 + 90.000} =GuyWireLength\\GuyWireLength= 500 ft[/tex]

Answer 2

Final answer:

The length of the guy wire needed for a suspension bridge is calculated using the Pythagorean Theorem. Given the square of the distance between the wire on the ground and the pylon is 90,000 feet, and the square of the pylon's height is 160,000 feet, the guy wire length is found to be 500 feet.

Explanation:

The length of the guy wire needed for a suspension bridge can be calculated using the Pythagorean Theorem, which states that in a right-angled triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two sides (a and b). The given squares of the distance between the wire on the ground and the pylon on the ground is 90,000 feet (a2), and the square of the height of the pylon is 160,000 feet (b2). To find the length of the guy wire (c), we can add these two values and then take the square root:

a2 + b2 = c2
90,000 + 160,000 = c2
250,000 = c2
c = √250,000
c = 500 feet

Therefore, the length of the guy wire is 500 feet.


Related Questions

The distance from Earth to the sun is about 9.3 × 107 miles. The distance from Earth to the Moon is about 2.4 × 105 miles. About how many times greater is the distance from Earth to the Sun than Earth to the Moon?

Answers

Answer:

The answer to your question is: 387.5 times distance from earth to the sun than distance from the earth to the moon

Step-by-step explanation:

Data

distance from earth to the sun = 9.3 x 10⁷ miles

distance from the earth to the moon = 2.4 x 10⁵ miles

distance ES to EM

Then we need to divide

 distance from earth to the sun / distance from the earth to the moon

9.3 x 10⁷ miles / 2.4 x 10⁵ miles

= 387.5 times is greater.

Final answer:

The distance from Earth to the Sun is about 387.5 times greater than the distance from Earth to the Moon. This is calculated by dividing the distance from Earth to the Sun by the distance from Earth to the Moon.

Explanation:

To determine how many times greater the distance from Earth to the Sun is than the distance from Earth to the Moon, we need to divide the distance from Earth to the Sun by the distance from Earth to the Moon. So, we have 9.3 × 107 miles (distance to the Sun) divided by 2.4 × 105 miles (distance to the Moon).

When you perform this calculation, you get a value of approximately 387.5. Therefore, the distance from Earth to the Sun is about 387.5 times greater than the distance from Earth to the Moon.

Learn more about distance comparisons in space here:

https://brainly.com/question/32250758

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find an equation of the line through (5,-9) and perpendicular to x=7

Answers

Answer:

y = - 9

Step-by-step explanation:

x = 7 is the equation of a vertical line parallel to the y- axis and passing through all points with an x- coordinate of 7

A line perpendicular to it is a horizontal line parallel to the x- axis with equation y = c

Where c is the value of the y- coordinates the line passes through.

The line passes through (5, - 9) with y- coordinate - 9, thus

equation of line is y = - 9

Please help I keep getting it wrong and I can't move on to the next part! You need to look at both pictures to answer this.

Answers

Explanation:

3. ∠2 and ∠3 are a linear pair → definition of a linear pair

4. ∠3 and ∠4 are a linear pair → definition of a linear pair

5. m∠2 +m∠3 = 180° → definition of a linear pair (or angle addition postulate)

6. m∠3 +m∠4 = 180° → definition of a linear pair (or angle addition postulate)

7. m∠2 +m∠3 = m∠3 +m∠4 → substitution property

8. m∠2 = m∠4 → subtraction property

9. ∠2 ≅ ∠4 → definition of congruent angles

_____

A pair of angles is a "linear pair" if they are adjacent and supplementary. ∠2 and ∠3 are adjacent and the non-common legs form a straight line. It isn't clear what your definition of linear pair is and what you need to do to claim that the angles sum to 180°. Above, we have assumed a definition of "linear pair" that includes the facts that → they sum to 180°; → non-adjacent sides form a straight line.

The price of one share of Starbucks declined five dollars per day for four days in a row. How much did the price of one share change in total after the four days?

Answers

Answer:

Each share lost $20 in value over 4 days time

Step-by-step explanation:

$5 loss for 4 days

5 x 4 = 20

$20 loss in 4 days.

Which expression shows the sum of the polynomials with like terms grouped together? 10x2y + 2xy2 - 4x2 - 4x2y

A. [9-4x2) + (-4x2y) + 10x2y] + 2xy2

B. 10x2y + 2xy2 + [(-4x2) + (-4x2y)]

C. (-4x2) + 2xy2 + [10x2y + (-4x2y)]

D. [10x2y + 2xy2 + (-4x2y)] + (-4x2)

Answers

Answer:

The answer to your question is letter C

Step-by-step explanation:

A. [9-4x2) + (-4x2y) + 10x2y] + 2xy2  : in this polynomial the first term is not a like term, then this is incorrect.

B. 10x2y + 2xy2 + [(-4x2) + (-4x2y)]  : in this polynomial, the terms that are grouped, are not like terms, then is incorrect.

C. (-4x2) + 2xy2 + [10x2y + (-4x2y)]  ; This polynomial is the right answer because the like terms are grouped.

D. [10x2y + 2xy2 + (-4x2y)] + (-4x2): This polynomial is incorrect because one of the terms that are grouped is not a like term.

The answer is C. (-4x2) + 2xy2 + [10x2y + (-4x2y)]

A contestant on a game show is given $250 and is ask five questions the contestant loses $50 for every wrong answer determine the domain and range

Answers

Answer:

The domain is (all possible values of x) [tex]\{0,1,2,3,4,5\}[/tex]

The range is (all possible values of f(x)) [tex]\{250,200,150,100,50,0\}[/tex]

Step-by-step explanation:

A contestant on a game show is given $250.  He is asked five questions and loses $50 for every wrong answer.

If he answer all 5 questions correct, then he will still have $250;If he answers 4 questions correct and 1 question incorrect, he will have $200; If he answers 3 questions correct and 2 questions incorrect, he will have $150; If he answers 2 questions correct and 3 questions incorrect, he will have $100; If he answers 1 question correct and 4 questions incorrect, he will have $50; If he answers 5 questions incorrect, he will have $0.

Let x be the number of wrong answers. Then you get a relationship

[tex]\begin{array}{cc}x&f(x)\\ 0&250\\1&200\\2&150\\3&100\\4&50\\5&0\end{array}[/tex]

The domain is (all possible values of x) [tex]\{0,1,2,3,4,5\}[/tex]

The range is (all possible values of f(x)) [tex]\{250,200,150,100,50,0\}[/tex]

Answer:

down below(hope this helps

Step-by-step explanation:

We have two coins, A and B. For each toss of coin A, we obtain Heads with probability 1/2 ; for each toss of coin B, we obtain Heads with probability 1/3 . All tosses of the same coin are independent. We toss coin A until Heads is obtained for the first time. We then toss coin B until Heads is obtained for the first time with coin B. The expected value of the total number of tosses is:

Answers

Answer:

The expected value is 5.

Step-by-step explanation:

Let X represent the number of tosses until the event described in the question happens. Let Y represent the number of tosses with coin A until Heads is obtained.Let Z represent the number of tosses with coin B until Heads is obtained.

As we can see, X=Y+Z. Then, by the linearity of the expected value operator, we have that

[tex]E(X)=E(Y)+E(Z).[/tex]

We will compute E(Y) and E(Z).

Observe that Y and Z have countable sets of outcomes (1,2,3,....) then,

[tex]E(X)=\sum^\infty_{n=1}nP(Y=n)[/tex],

[tex]E(Z)=\sum^\infty_{n=1}nP(Z=n)[/tex],

Then:

for each [tex]n\in \mathbb{N}[/tex], the probability of Y=n is given by [tex](0.5)^{n-1}(0.5)=(0.5)^{n}[/tex] (because the first n-1 tosses must be Tails and the n-th must be Heads). Therefore

[tex]E(Y)=\sum^\infty_{n=1}nP(Y=n)=\sum^\infty_{n=1}n(\frac{1}{2} )^n=\\\\\sum^\infty_{m=1}\sum^\infty_{n=m}(\frac{1}{2} )^n=\sum^\infty_{m=1}(\frac{1}{2} )^{m-1}=\sum^\infty_{m=0}(\frac{1}{2} )^{m}=2.[/tex]

For each [tex]n\in \mathbb{N}[/tex], the probability of Z=n is given by [tex](\frac {2}{3})^{n-1}(\frac {1}{3})[/tex] (because the first n-1 tosses must be Tails and the n-th must be Heads). Therefore

[tex]E(Z)=\sum^\infty_{n=1}nP(Z=n)=\frac{1}{3}\sum^\infty_{n=1}n(\frac{2}{3} )^{n-1}=\frac{1}{3}\sum^\infty_{m=1}\sum^\infty_{n=m}(\frac{2}{3} )^{n-1}[/tex]

Observe that, by the geometric series formula:

[tex]\sum^\infty_{n=m}(\frac{2}{3} )^{n-1}=\sum^\infty_{n=1}(\frac{2}{3} )^{n-1}-\sum^{m-1}_{n=1}(\frac{2}{3} )^{n-1}=3-\sum^{m-1}_{n=1}(\frac{2}{3} )^{n-1}=\\\\3-\sum^{m-2}_{n=0}(\frac{2}{3} )^{n}=3-\frac{1-(\frac{2}{3})^{m-1} }{1-\frac{2}{3}}=3(\frac{2}{3})^{m-1}[/tex]

Therefore

[tex]E(Z)=\frac{1}{3}\sum^\infty_{m=1}\sum^\infty_{n=m}(\frac{2}{3} )^{n-1}=\frac{1}{3}\sum^\infty_{m=1}3(\frac{2}{3})^{m-1} =\\\\ \sum^\infty_{m=1}(\frac{2}{3})^{m-1} = \sum^\infty_{m=0}(\frac{2}{3})^{m} =3.[/tex]

Finally, E(X)=E(Y)+E(Z)=2+3=5.

Using the binomial distribution, it is found that the expected value of the total number of tosses is of 5.

For each coin, there are only two possible outcomes, either it is heads, or it is tails. The outcome of a coin is independent of any other coin, hence the binomial distribution is used to solve this question.

What is the binomial probability distribution?

It is the probability of exactly x successes on n repeated trials, with p probability of a success on each trial.

The expected number of trials until q successes is:

[tex]E_s(X) = \frac{q}{p}[/tex]

For coin A, we obtain Heads with probability 1/2, hence:

[tex]E_{sA}(X) = \frac{1}{\frac{1}{2}} = 2[/tex]

For coin B, we obtain Heads with probability 1/3, hence:

[tex]E_{sB}(X) = \frac{1}{\frac{1}{3}} = 3[/tex]

2 + 3 = 5, hence, the expected value of the total number of tosses is of 5.

More can be learned about the binomial distribution at https://brainly.com/question/14424710

Correct answers only please! If you don't know the answer, then please don't guess or say what you think it is.

Mike recently increased the size of his truck tires from the original P215/60R16 to the larger P235/7016. If Mike didn't recalibrate his speedometer, how fast is really going on the new tires when his speedometer shows he is traveling 60 mph?

A. 54.2 mph

B. 63.8 mph

C. 66.4 mph

D. 69.7 mph

Answers

Final answer:

When Mike increased the size of his truck tires from the original P215/60R16 to the larger P235/70R16 without recalibrating his speedometer, the actual speed he was going on the new tires when his speedometer showed 60 mph was approximately 54.2 mph.

Explanation:

When Mike increased the size of his truck tires without recalibrating his speedometer, his speedometer reading would be inaccurate. To determine how fast he is going on the new tires when his speedometer shows 60 mph, we can use the concept of tire revolutions per mile.

The original tire size, P215/60R16, has a diameter of approximately 25.7 inches, while the larger tire size, P235/70R16, has a diameter of approximately 29.0 inches. The new tires cover a greater distance in one revolution compared to the original tires.

To calculate the actual speed, we can use the equation:

Actual Speed = Speedometer Reading * (Original Tire Diameter / New Tire Diameter)

Substituting the given values:

60 mph * (25.7 inches / 29.0 inches)

By simplifying this calculation, the actual speed is approximately 54.2 mph. Therefore, the correct answer is A. 54.2 mph.

Mike is actually traveling approximately 64.4 mph. Hence the correct option is c.

Calculate the difference in tire circumference:

Original circumference: 2 * π * radius = 2 * π * (215 mm / 25.4 mm/inch) * (60 + 30%) = 79.3 inches (assuming 30% aspect ratio)

New circumference: 2 * π * (235 mm / 25.4 mm/inch) * (70 + 30%) = 85.1 inches

Difference: 85.1 inches - 79.3 inches = 5.8 inches

Calculate the percentage increase in circumference:

(5.8 inches / 79.3 inches) * 100% = 7.3%

Apply the percentage increase to the speedometer reading:

Actual speed = Speedometer reading * (1 + % increase)

Actual speed = 60 mph * (1 + 7.3%) = 60 mph * 1.073

Actual speed ≈ 64.4 mph

Therefore, when the speedometer shows 60 mph, Mike is actually traveling approximately 64.4 mph. Hence the correct option is c.

In terms of paying less in interest, which is more economical for a $150,000 mortgage: a 30-year fixed-rate at 8% or a 20-year fixed-rate at 7.5%? How much is saved in interest?

Answers

Answer:

20-year fixed-rate at 7.5%$106,219.32

Step-by-step explanation:

The shorter the term, the lower the amount of interest.

The lower the interest rate, the lower the amount of interest.

The loan that has both a shorter term and a lower interest rate will cost less in interest.

___

The total of payments for the 30-year loan is 396,232.87.

The total of payments for the 20-year loan is 290,013.55.

The amount saved by taking the shorter loan is the difference of these amounts: $106,219.32.

_____

You can use an amortization formula, spreadsheet, or a financial calculator to compute the payments for each loan. The total repayment amount is the product of the monthly payment and the number of them, 360 for the 30-year loan; 240 for the 20-year loan.

A cable service provider charges $40 per month for its basic package plus an additional $5.35 for each premium channel chosen. The average cost for cable per additional channel is given by the expression 5.35x + 40 / x, where x is the number of premium channels added to the basic package. What does the quotient 40/x represent?

Answers

40/x represents the amount payed per month

Answer:

the answer will be d.PLATO users

I WILL GIVE BRAINLYIST!
Which graph shows a system of equations with exactly one solution?

Answers

Answer:

The last graph, where the functions intersect at only one point.

Step-by-step explanation:

A system of equations with only one solution is the one that in some point the solutions of each ecuation is exactly the same. In the graphs 1 and 3, where the equations does not intersect each other, the system of equations have no solution. In the second graph, the equations intersect 2 times, so the system of equations have 2 solutions.

Answer:

The last graph:/ D

Step-by-step explanation:

i got it right on the test

Janelle is planning to rent a car while on vacation. The equation C=0.32m+15 models the relation between the cost in dollars, C, per day and the number of miles, m, she drives in one day. Interpret the slope of the equation.

Select the correct answer below:


The slope, 15, means that the cost for renting the car on a particular day increases by 15 dollars for every 15 miles she drives on that day.


The slope, 15, means that the cost for renting the car on a particular day increases by 15 dollars for each mile she drives on that day.


The slope, 0.32, means that the cost for renting the car on a particular day increases by 0.32 of a dollar for each mile she drives on that day.


The slope, 0.32, means that the cost for renting the car on a particular day increases by 0.32 of a dollar for each 0.32 of a mile she drives on that day.


Answers

Answer:

The C-intercept, 15, means that if Janelle drove 0 miles on a particular day it would cost her 15 dollars to rent the car for that day.

Step-by-step explanation:

Final answer:

The slope, 0.32, means that the cost for renting the car on a particular day increases by 0.32 of a dollar for each mile she drives on that day.

Explanation:

The slope of the equation C=0.32m+15 is 0.32. The slope represents the rate of change in the cost per day for each unit increase in the number of miles Janelle drives. In this case, for every additional mile Janelle drives, the cost of renting the car increases by 0.32 dollars.

MARK AS BRAINLIEST
11+4-3/4

Answers

Answer:

57/4

Step-by-step explanation:

Answer:

11 + 4 = 15

Rewrite the problem:

15-3/4= ?

15-3= 12

the divide it by 4:

12 / 4 = 3

ANSWER: 3

Step-by-step explanation:

25 POINTS AND BRAINLIEST PLZ HELP!!!
Given f(x) and g(x) = f(k⋅x), use the graph to determine the value of k.

A. 5
B. 1/5
C. -1/5
D. −5

Answers

Answer:

Step-by-step explanation:

B is the answer

The volume of a rectangular prism is 655.2 Ft cubed. If the base of the prism is 9 ft by 5.2 ft, find the height of the prism.​

Answers

Answer:

Step-by-step explanWe can easily calculate for the height of the prism since all needed measurements are given. Volume of a rectangular prism is expressed by the equation:

V = lwh

where l is the length, w is the width and h is the height of the prism.

655 = 9 (5.2) hation:

h=14ft

Recall that the symbol z represents the complex conjugate of z. If z = a + bi, show that the statement is true. Z − z is a pure imaginary number. Use the definition of complex conjugates to simplify the expression.

Answers

Answer:

Step-by-step explanation:

z = a + bi

the complex conjugate is : Z = a-bi

so : Z-z =  (a-bi) - ( a + bi ) = a-bi -a -bi

Z-z = -2bi ...is a pure imaginary number (the statement is true)

The statement is true, Z-z is a pure imaginary number = -2bi.

What is conjugate complex?

A conjugate of a complex number is another complex number which has the same real part as the original complex number and the imaginary part has the same magnitude but opposite sign.

Here, given that, z = a+ib,

Let, Z be the complex conjugate of z, then, Z=a-ib

Now, Z-z = (a-ib)-(a+ib)

               =a-ib-a-ib

               =-i2b  (which is purely imaginary)

Hence, proved. The given statement is true.

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First, rewrite 16//21 and 7/9 so that they have a common denominator.
(I'm so confused on how to do this, someone please help me out a bit)

Answers

Answer:

Step-by-step explanation:

Michael starting a savings account with $300. After 4 weeks he had $350 and after 9 weeks he had $400. What is the rate of change in his savings account per week

Answers

Answer:

$12.5 per week

Step-by-step explanation:

(300)+12.5 +12.5+12.5+12.5=350

Final answer:

The rate of change in Michael's savings account per week is $12.50.

Explanation:

To find the rate of change in Michael's savings account per week, we need to determine how much the account balance increased per week. We can subtract the initial balance from the final balance and divide that by the number of weeks:

Rate of change per week = (Final balance - Initial balance) / Number of weeks

Using the given information, the rate of change per week is:

(350 - 300) / 4 = 50 / 4 = 12.5

Therefore, the rate of change in Michael's savings account per week is $12.50.

Tony loves to put stickers on his papers. Tony has 15 shark stickers. Tony has 21 whale sticker. Tony has 47 dolphi Stickers. Tony has 40 papers. Tony puts a dolphine sticker on every paper. Tony puts a shark sticker on every fourth paper. Tony puts a whale sticker on every fifth paper. When tony finishes putting all the stickers on the papers, how many papers will all three kinds of stickers on them.

Answers

Answer:

2 papers

Step-by-step explanation:

shark stickers : 15

whale stickers : 21

dolphin stickers : 47

papers:40

papers with dolphin stickers: 47

papers with shark stickers: 4, 8 , 12, 16, 20,24,28,32,36, 40 (every fourth paper, multiples of 4 till 40)

40/4 = 10  papers with shark stickers

papers with whale stickers: 5, 10,15, 15, 20, 25,30,35,40 (multiples of 5 till 40)

Papers with the three kinds of stickers : 2 (paper 20 and 40 )

Answer:

2 papers

Step-by-step explanation:

Find two consecutive even integers whors sum is 86. Which of the following could be used to solve the problem?

Answers

Answer:

42 and 44

Step-by-step explanation:

The even numbers are numbers which can be written as 2n where n is any integer number.

Therefore, two consecutive numbers would be "2n" and "2n + 2"

We then have that

2n + (2n+2) = 86

4n + 2 = 86

4n = 84

n = 21

And the even number 2n is 2(21) = 42.

(We can verify this answer by doing 42 + 44 = 86)

kenya plans to make a down payment plus monthly payments in order to buy a motorcycle. at one dealer she would pay 2,500 down and 150 each month. at another dealer she would pay 3,000 down and 125 each month after how many months would the total amount paid be the same for both dealers? what would that amount be?

Answers

Answer:

20 months

Step-by-step explanation:

Let the number of months be denoted by x.

Then, we shall form two equations to represent the total cost from each dealer. Thus,

2500 + 150x is the cost of the motorcycle from the first dealer.

3000 + 125x is the cost of the motorcycle from the second dealer.

If the costs from the dealers are equal, then

2500 + 150x =3000 +125x

150x- 125x = 3000-2500

        25x = 500

          x = 500/ 25

           x =20 months

What is the multiplicative rate of change for the exponential function f(x) = f start bracket x end bracket equals two start bracket five-halves end bracket superscript negative x

Answers

Answer:

a) 0.4

Step-by-step explanation:

Got it right on quiz

The multiplicative rate of change for the exponential function is 5/2, indicating that the function increases by a factor of 5/2 for each unit increase in x.

The multiplicative rate of change for an exponential function

[tex]\( f(x) = a \times b^x \)[/tex]

is given by the base of the exponential term, b .

In the function

[tex]\( f(x) = 2 \left(\frac{5}{2}\right)^{-x} \),[/tex]

the base of the exponential term is 5/2.

So, the multiplicative rate of change is 5/2

You can buy 5 cans for green beans at the vilage market for $2.80 .You can buy 10 of the same cans of beans at sam club for $7.50.Which place is the better buy?

Answers

$2.80/5= $0.56 per can at the village market

$7.50/10= $0.75 per can at the sam club.

Therefore the village market is cheaper and better to buy

Stuart's best golf score is 4 under par or -4. He wants to beat this score by an additional 3 strokes under par. With one hole remaining, stuart is 5 under par, or -5. What must his score be on the last hole to beat his best score

Answers

Answer:

-2

Step-by-step explanation:

he wants to get -7 because -4 + -3 = -7

he has -5 currently, so to get to -7 I added -2 which is the amount he needs.

I hope this helps you :)

Stuart requires a score of atleast - 2 on his last hole in other to beat his best score.

Best score = - 4

Required score < Best score + (-2)

Required score < - 4 + (-2)

Current score = - 5

Therefore, the least score required to beat his best score is - 7

Therefore, the required score on last hole will be :

-7 - (-5) = - 7 + 5 = - 2

Therefore, a score of - 2 is required on last hole in other to beat his best score.

Learn more :https://brainly.com/question/18112348

show that (f o g)(x) = (g o f)(x) = x
f(x)= [tex]\frac{3}{x-1}[/tex]
g(x)= [tex]\frac{2}{x}[/tex]

Answers

Answer:

[tex] - \frac{2[1 - x]}{3} = g[f(x)] \\ \\ \frac{3x}{2 - x} = f[g(x)][/tex]

Step-by-step explanation:

They are not.

For the g[f(x)] function, you substitute ³/ₓ ₋ ₁ from the f(x) function in for x in the g(x) function to get this:

[tex] \frac{2}{ \frac{3}{x - 1}} [/tex]

Then, you bring x - 1 to the top while changing the expression to its conjugate [same expressions with opposite symbols]:

[tex] - \frac{2[1 - x]}{3}[/tex]

You could also do this [attaching another negative would make that positive].

For the f[g(x)] function, ²/ₓ from the g(x) function for x in the f(x) function to get this:

[tex] \frac{3}{ \frac{2}{x} - 1}[/tex]

Now, if you look closely, ²/ₓ is written as 2x⁻¹, and according to the Negative Exponential Rule, you bring the denominator to the numerator while ALTERING THE INTEGER SYMBOL FROM NEGATIVE TO POSITIVE:

[tex] \frac{3x}{2 - x} [/tex]

When this happens, x leaves the two and gets attached to the three, and 1 gets an x attached to it.

I am joyous to assist you anytime.

What is X if X + R = S?

Answers

Answer:

The correct answer is the second option.

Step-by-step explanation:

If X + R = S, then X = S - R. You need to subtract each pair:

-2 - 0 = -2

-8 - 3 = -11

0 - (-4) = 4

2 - 5 = -3

Answer:

B

Step-by-step explanation:

Edge2020

The first hill on a roller coaster is 155 feet tall. The first drop on a second roller coaster is about 11/20 as tall as the first coaster. Find the height of the hill on the second roller coaster

Answers

Answer:

85.25

Step-by-step explanation:

155 x (11/20) =85.25 feet

The second hill is 85.25 ft tall, I got this answer by dividing 11 by 20 and getting 0.55. I then multiplied that by 155 and got my answer.

A small toy car costs $3.A large toy car costs 5 times as much as the small one.Aaron wants to buy one of each.Which equation can he use to find the cost (a) of the two cars?

Answers

Answer:$18.00

Step-by-step explanation:5×3=15

$3+$15=$18

Answer:

Step-by-step explanation:

To

The lengths (in inches) of two sides of a regular triangle are given by the expressions 5x+40 and 8x-13. Find the length of a side of a triangle.

Answers

Answer:

Length = 128.3

Step-by-step explanation:

The 3 sides of a regular triangle are the same, the 2 sides that are in terms of x are equal:

5x + 40 = 8x - 13

40 + 13 = 8x - 5x

53 = 3x

17.7 = x

The length of a side = 5(17.7) + 40 = 128.3

Colton and gage were building a castle together. Colton was 3 times as fast at building the castle than gage. If it takes 80 blocks to build the castle, how many blocks did colton build on the castle?

Answers

Answer:

  60

Step-by-step explanation:

For each 3 blocks Colton placed, Gage place 1, so Colton placed 3/4 of the total number blocks.

  3/4 × 80 = 60

Colton placed 60 blocks on the castle.

Answer:

60

Step-by-step explanation:

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