A damsel is in distress and is being
held captive in a tower. Her knight in
shining armor is on the ground below
with a ladder. When the knight stands
15 feet from the base of the tower and
looks up at his precious damsel, the
angle of elevation to her window is 60
degrees. How long does the ladder
have to be?

Answers

Answer 1

Answer:

30 feet

Step-by-step explanation:

Let x be the length of the ladder. Then, x cos(60) = 15

If we divide both sides by cos(60), then x = 30 feet.

Answer 2

The length of ladder to be used by knight  will be of 30 feet

What is angle of elevation?

The angle of elevation is an angle that is formed between the horizontal line and the line of sight. If the line of sight is upward from the horizontal line, then the angle formed is an angle of elevation.

According to the question

The knight stands 15 feet from the base of the tower and the

angle of elevation to her window is 60 degrees.

Therefore, In figure

AB = Height of tower

CA = Distance between knight and tower  = 15 feet

BC = Length of the ladder

angle of elevation  = 60°

Now ,

Cos(60°) = [tex]\frac{Base}{Hypotenuse} = \frac{distance between knight and tower}{Length of the ladder } = \frac{15}{BC}[/tex]

[tex]\frac{1}{2} = \frac{15}{BC}[/tex]

BC = 30 feet

Length of the ladder  = 30 feet

Hence, the length of ladder will be used is 30 feet .

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A Damsel Is In Distress And Is Beingheld Captive In A Tower. Her Knight Inshining Armor Is On The Ground

Related Questions

Ruby, her brother, and 3 friends will share the bag of candy she bought. There are 110 candies in the bag. How many will each person get? A. 22 B. 24 C. 26

Answers

Answer: A

Step-by-step explanation: since there’s 110 candies divide it between the 3 friends plus ruby and her brother. So divide 110 by 5 and it will be your final answer

Answer:

A. 22

Step-by-step explanation:

First, you don't want to fall into the trap. The question says Ruby, her brother, AND 3 friends. That means you have to add everyone. 3(friends)+2(Ruby and her brother)=5 people. Then you have to divide. 110/5=22.

So, A.22 candies each.

True or false 5.020=5.20 please help

Answers

Answer:

False

Step-by-step explanation:

If we remove the last 0 in 5.020, then we have 5.02, which is not equal to 5.20.

Answer: false

Step-by-step explanation:

5.020 less than 5.20

A rectangle that is 2 inches by 3 inches has been scaled by a factor of 7
1. What are the side lengths of the scaled copy?
Shorter length?

Answers

It would be longer side lengths, because you scale it up by 7 that is like multiplying the sides by 7.

Answer:

Step-by-step explanation:

14 by 21. 14 shorter length

What is the value of the expression?

Answers

Answer:

-4

Step-by-step explanation:

A dog rolls over 25 times in 2 minutes. How many times can the dog roll over in 6 minutes? *

Answers

Hey there! I'm happy to help!

How many times does 2 minutes go into 6 minutes?

6/2=3

So, the dog rolls over 25 times 3 times!

25(3)=75

Therefore, the dog can roll over 75 times in 6 minutes.

Have a wonderful day! :D

Question 2

1 pts

What is the inverse relation of the function whose equation

is y = 3x – 2?

oy = x

o y = 3x + 2

o y = 2x - 3

x + 2

y =

3

Answers

Answer:

The inverse of the function is;

x = (y + 2)/3

Step-by-step explanation:

Here in this question, we shall be calculating the inverse of a function.

The function is;

y = 3x - 2

Firstly, let w = x;

y = 3w -2

y + 2 = 3w

w = (y + 2)/3

Now replace w by x

x = (y + 2)/3

This is the inverse of the function

What are the solutions of 3(x - 4)(2x - 3) = 0? Check all that apply.
-4
-3
-2/3
3/2
3
4

Answers

Answer:

3/2 and 4

Step-by-step explanation:

Answer:

3/2 and 4 are the answers. Hope this helps!

What is the answer obtained by multiplication

Answers

Answer:

product

Step-by-step explanation:

the answer is called a product

Johnny is saving money to buy a PS 5. He already has $30 in the bank and gets $10 per week allowance for doing his chores. Write an equation to to find the number of weeks, x, it will take him to have $600.

Answers

Answer:

10x + 30 = 600

Step-by-step explanation:

Johnny gets $10 per week, which is $10x for x number of weeks.

He already has $30, so his money becomes 10x + 30.

His goal is to have $600, so our equation becomes 10x + 30 = 600

Which of the following polynomial functions is graphed below

Answers

Answer:

A, the other person was correct

Step-by-step explanation:

The polynomial functions is graphed below is f(x) = (x+ 4)(x- 2)².

What is Function?

a mathematical phrase, rule, or law that establishes the link between an independent variable and a dependent variable (the dependent variable).

There are three components that make up a function: a set of inputs, a set of outputs, and a rule that links the elements of the input set to the elements of the output set so that each input is paired with exactly one output.

We have a graph for polynomial function.

We know that the function of graph have solution where the graph touches or passes the x axis.

Here from the graph at x = -4 and at x= 2 the touches and moves upward.

So, the factors of polynomial are (x+ 4) and (x- 2).

Thus, the polynomial function is f(x) = (x+ 4)(x- 2)².

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What is the slope of the line x=5

Answers

the slope would go vertically starting it at 5. you place your dot at 5 and draw a line going up and down throughout both the top and bottom of the right side of the graph. hope it helped

The slope of the line x = 5 is undefined.

What is the slope-intercept form?

In Mathematics and Geometry, the slope-intercept form of the equation of a straight line is given by this mathematical equation;

y = mx + b

Where:

m is the slope or rate of change.x and y are the points.b is the y-intercept or initial value.

Based on the information provided about this line, a linear equation that models it is given by;

y = mx + b

x = 5

This ultimately implies that, this line is a vertical line and as such, it has no slope or an undefined slope. Therefore, the x-intercept is 5 and the slope is undefined.

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Identify square root of 3 as either rational or irrational, and approximate to the tenths place.

Answers

Answer:

Irrational

[tex]\sqrt{3}[/tex] = approx. 1.7

Step-by-step explanation:

The square root of 3 is irrational, because 3 is not a perfect square.

For example, 4 is a perfect square, so the square root (2) will be rational.

The square root of 3 is 1.73205080757,

and we can round this to 1.7 for the tenths place

Rebecca starts this week with $3.00. each day she does her chores her mother gives her $ 1.50 . If y represents the total amount of moeny . Rebecca has after x days . Can someone plz write an expression based on this problom.

Answers

Answer:

Amount of money she gets per day -> $1.50

Amount of money she gets after x days -> [tex]1.5x[/tex]

Total amount of money = 3 + 1.5x

Total amount of money = y

[tex]1.5x+3=y[/tex]


Find the equation of a line that is perpendicular to the line y = 1/9x +6 and contains the point (-7,0).

Answers

Answer:

y = -9x - 42

Step-by-step explanation:

Perpendicular lines have negative reciprocal slopes

Given line:

y = 1/9x + 6

Perpendicular line is:

y = - 9x + b and passes through the point (-7, 0)0 = -9*(-7) + bb = - 42

So the line is:

y = -9x - 42

8.7 x 0.45
I keep getting the weonv answer

Answers

3.915 unless you want it as a fraction.

Answer:

3.915

Step-by-step explanation:

Use a calculator.

8.7 × 0.45 = 3.915

aleysius bakes 30 cupcakes to celebrate her birthday. she had her friends over to celebrate and when the party was over there was 7 cupcakes left. how many was taken

Answers

Answer: 23 cupcakes

Step-by-step explanation:

Answer:

23 were taken

Step-by-step explanation:

30-7=23

What is Five more than twice a number?

Write each phrase as a mathematical equation

Answers

Answer:

2x+5

Step-by-step explanation:

2 times a number plus 5

A group of 29 friends gets together to play a sport. First, people must be
divided into teams. Each team has to have exactly 4 players, and no one can
be on more than one team. How many teams can they make? (It is possible
that not everyone can be on a team.)

Answers

their can be 7 groups hope this helps

Answer:

7 teams of 4 but there would be an extra person

Step-by-step explanation:

what is .253 repeating as a fraction

Answers

.253 as a fraction would be

253/100

What’s the prime factor** of 630

Answers

Answer:

Positive Integer factors of 630 = 2, 3, 6, 18, 5, 90, 7, 630 divided by 2, 3, 3, 5, 7, gives no remainder. They are integers and prime numbers of 630, they are also called composite number.

"one half of a number is 8 less than the number itself ''

Answers

Answer:

16

Step-by-step explanation:

16/8=8

Half of 16 is 8.

8 is 8 less than 16.

Hope this helps.

Answer:

The required number is 12

Find the product. (-10) (-10) (-10)
1000
-1000
10,000
-10,000

Answers

the answer is -1000 as -10 cube is -1000

The value of product of (-10)(-10)(-10) is -1000.

What are Arithmetic operations?

Arithmetic operations can also be specified by subtracting, dividing, and multiplying built-in functions.

The operator that performs the arithmetic operations are called arithmetic operators.

Operators which let do a basic mathematical calculation

+ Addition operation: Adds values on either side of the operator.

For example 4 + 2 = 6

- Subtraction operation: Subtracts right-hand operand from left-hand operand.

for example 4 -2 = 2

* Multiplication operation: Multiplies values on either side of the operator

For example 4*2 = 8

/ Division operation: Divides left-hand operand by right-hand operand

For example 4/2 = 2

To determine the product of (-10)(-10)(-10)

⇒ (-10)(-10)(-10)

Multiplying the last two terms and (-) signs cancel out each other,

⇒ (-10)(100)

Multiplying the two terms,

⇒ -1000

Hence, the value of product of (-10)(-10)(-10) is -1000.

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Solve for x.
8x = 42 - 32
O x = 8
O x = 4
O r=-4
O = -8

Answers

Are you sure that’s the exact problem?
Because 42-32=10 which means:
8x=10, which further simplifies to 8x/10
⇨ 0.8

It seems the problem was copied incorrectly or made incorrectly imo

What does this mean?
~p~9

Answers

~p~9 .............
Show work
9=p

please help me out!!!

Answers

the answer is G

Step-by-step explanation:

G is the answer

Step-by-step explanation:

I guess it's G because g might make make an exponents

Solve for the variable. Show all work. |6x| - 8 = -8

Answers

Answer:

x = 0

Step-by-step explanation:

|6x| - 8 = -8

Add 8 to each side

|6x| - 8+8 = -8+8

|6x| = 0

Removing the absolute value

6x = 0

Divide by 6

6x/6 = 0/6

x = 0

john missed 4 problems on the test but did 75% of them correctly. how many problems were there in the test?

Answers

Answer:

16

Step-by-step explanation:

por que si por 25 son 4 en 75 son 12

How is this A? Or is it wrong? This is polynomials

Answers

Answer:

D

Step-by-step explanation:

The volume for a rectangular prism is given by the formula:

[tex]V=lwh[/tex]

The length is 2h, the width is 9-h, and the height is h. So:

[tex]V=2h(h)(9-h)[/tex]

Multiply the first two terms:

[tex]V=2h^2(9-h)[/tex]

Distribute:

[tex]V=18h^2-2h^3[/tex]

Our answer is D.

I hope this helps!

evaluate to 212 base 3 - 121 base 3 + 222 base 3​

Answers

Answer:

212 bp^3 (base pairs cubed) - 121 bp^3 (base pairs cubed) + 222 bp^3 (base pairs cubed) = 313 bp^3 (base pairs cubed

Step-by-step explanation:

It takes billy 6 minutes to walk 1.5 km. How long will it take billy to walk 9km?

Answers

Answer:

It will take Billy 36 minutes to walk 9km.

Answer:

[tex]\boxed{\tt 36 \ minutes}[/tex]

Step-by-step explanation:

Let's make a proportion using the following setup:

[tex]\frac{minutes}{kilometers} =\frac{minutes}{kilometers} \\[/tex]

We know it takes Billy 6 minutes to walk 1.5 kilometers.

[tex]\frac{6\ minutes}{1.5\ kilometers} =\frac{minutes}{kilometers}[/tex]

We don't know how long it takes him to walk 9 kilometers, so we can say it takes him x minutes to walk 9 kilometers.

[tex]\frac{6\ minutes}{1.5\ kilometers} =\frac{x\ minutes}{9\ kilometers}[/tex]

[tex]\frac{6}{1.5} =\frac{x}{9}[/tex]

Now, solve for x. To do this, isolate x on one side of the proportion. x is being divided by 9. The inverse of division is multiplication. Multiply both sides of the proportion by 9.

[tex]9*\frac{6}{1.5} =\frac{x}{9}*9[/tex]

[tex]9*\frac{6}{1.5} =x[/tex]

[tex]9*4=x[/tex]

[tex]36=x[/tex]

x= 36 minutes

It will take Billy 36 minutes to walk 9 kilometers.

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