Ms. Durand has an obsession with Christmas. She is standing 8ft away from a 20ft Christmas Geometree. She wonders, "hmmm, what is the angle of elevation from myself to the star on the top of the tree?"

Answers

Answer 1

Answer:

68.20°

Step-by-step explanation:

Using Pythagoras rule :

Tanθ = opposite / adjacent

Adjacent = 8ft

Opposite = 20

Tanθ = 20 / 8

θ = tan^-1(20/8)

= 68.198590

Hence, angle of elevation = 68.2°

Ms. Durand Has An Obsession With Christmas. She Is Standing 8ft Away From A 20ft Christmas Geometree.

Related Questions

a solid metal cone with radius of base 12 cm and height 24 cm is melted to form spherical solid balls of diameter 6 cm each. Find the number of the balls thus formed​

Answers

Answer:

32 solid balls are formed.

Step-by-step explanation:

Let suppose that volume of the cone is equal to the total volume of balls, of which we derive the following formula:

[tex]\frac{1}{3}\cdot \pi\cdot R^{2}\cdot h = \frac{1}{6}\cdot \pi \cdot n \cdot D^{3}[/tex] (1)

Where:

[tex]R[/tex] - Radius of the base of cone, measured in centimeters.

[tex]h[/tex] - Height of cone, measured in centimeters.

[tex]D[/tex] - Diameter of sphere, measured in centimeters.

[tex]n[/tex] - Number of balls, no unit.

Then, we clear the number of balls:

[tex]2\cdot R^{2}\cdot h = n\cdot D^{3}[/tex]

[tex]n = \frac{2\cdot R^{2}\cdot h}{D^{3}}[/tex]

If we know that [tex]R = 12\,cm[/tex], [tex]h = 24\,cm[/tex] and [tex]D = 6\,cm[/tex], then the number of balls is:

[tex]n = \frac{2\cdot (12\,cm)^{2}\cdot (24\,cm)}{(6\,cm)^{3}}[/tex]

[tex]n = 32[/tex]

32 solid balls are formed.

Look at the pic try to show ur work for those equations the best u can I’ll give you the brainly thing who ever does the best

Answers

Alrighty! KFC! Keep, change, flip! When dividing fractions, you keep the first fraction, flip the second, and change the divide sign to multiply. Here is work as requested.

How many different ways can you have 50¢ in change using only quarters, dimes and nickels?

A. 1
B. 4
C. 10
D. 15
PLZ help!

Answers

Answer:

Answer vary :

C. 10

Step-by-step explanation:

at least in my opinion I think so.

Answer:

C i think

you can you use 10 nickels

PLS HELP ILL GIVE BRAINLIEST!!

Answers

Answer:

y = -7/2x - 7

Step-by-step explanation:

let me know if you need the steps . . .

What is 16+2 and 18-3 and 2*3?

Answers

Answer:

16+2=18

18-3=15

2*3=6

Step-by-step explanation:

Una cámara de refrigeración industrial tiene una temperatura de 2°C disminuye su temperatura a razón de 4°C por minuto ¿cuantos minutos le toma llegar a -18°C?​

Answers

Answer:

Tarda 5 minutos

Step-by-step explanation:

En un minuto baja a -2°C, en dos minutos baja a -6°C, en tres minutos baja a -10°C, en cuatro minutos baja a -14°C, en cinco minutos baja a -18°C

ESPERO TE AYUDE ;)

PLS HELP IM DESPERATE I GIVE 10 POINTS EACH PERSON
A double box-and-whisker plot represents the stock prices of Company A and Company B over a 30-day period. Both companies have a minimum price of $3 and a maximum price of $10. The median price for Company A is $6 and the median price for Company B is $9. Which company is more likely to have a symmetric box-and-whisker plot? Explain.

Answers

Answer:

company a

Step-by-step explanation:

It is probably company a because if you make a box and whisker plot in your head the median of 6 would be more in between 3 and 10 than 9. If the median were 9 it would probably be skewed. If 6 is near the middle the box and whisker plot would look more symmetric

In the ​triangle XYZ​, the measure of ​∠XYZ​ is 104°, and the measure of ∠YZX is 19°. What is the measure of ∠ZXY?

Answers

Answer:

∠ZXY = 57°

Step-by-step explanation:

According to angle sum property of a triangle, sum of all the angles of the triangle is [tex]180[/tex]°.

In ΔXYZ,

∠XYZ + ∠YZX + ∠ZXY = 180°

Put ∠XYZ = 104°, ∠YZX = 19°

104° + 19° + ∠ZXY = 180°

123° + ∠ZXY = 180°

∠ZXY = 180° - 123°

∠ZXY = 57°

Therefore,

∠ZXY = 57°

Answer:

57

Step-by-step explanation:

Substitute the values of x and y into the expression -3x^2+ 2y^2 + 5xy - 2y + 5x^2 - 3y^2. Match that values to one of the numbers.


1. x = 0.5, y = -1/10
2. x = -1, y = -3
3. x = ¾ , y = ⅖
4. x = 0, y = 2.5
5. x = √2, y = √2
6. x = 2, y = -1


A. -11.25


B. 0.44


C. 14


D. -1


E. 9.17



Answers

Answer:

c

Step-by-step explanation:

try calculator and see which fits

what is a axe on a graph?

Answers

Answer:

Plural of Axis. Pronounced "ak-seez". Axes often means the "x" and "y" lines that cross at right angles to make a graph. See: Axis (graph) Cartesian Coordinates.

Step-by-step explanation:

“X” “Y” they cross at right angles to make a graph.

In parallelogram ABCD, AB = (2x + 15) and 4C = x. Find x.
O55
O60
O15
O45

Answers

Answer:

x = 55

Step-by-step explanation:

ABCD is a paralellogram, m∠ABC = 2x + 15, m∠BCD = x

m∠ABC + m∠BCD = 180° (same side interior angles)

2x + 15 + x = 180

3x + 15 = 180 -15

3x = 165

x = 55

Help pls (pls dont write absolute nonsense on here pls i really need help)

Answers

A) -2fg b) not sure sorry c) f-x

Orders of operation Practice
(5^2+)x2-12

Answers

The answer should be 13+2x .. I don’t think you wrote the equation right though .

PLEASE HELP! GIVING POINTS :)!

Answers

Answer:

56 square feet

Step-by-step explanation:

If you take the problem and divide into two rectangles by drawing the line up from the bottom 4.

You end up with one rectangle that is

8x4

and a second thats

4x6.

The area is then calculated by taking the length and multiplying by the width of the first (8 x 4) and adding to the same process of the second (4x6)

Thus

32 + 24 = 56 square feet

Answer:

32 + 24 = 56 square feet

Answer 2,3,and 4
I really need help


thx

Answers

Answer:

where is the thing to answer

Answer:

Ok im going on your page to see the question

What is 26% of $3,000

Answers

the answer is def not 5778
The answer is 0.26 x 3000 = $780

If tax
The ticket price of an item is $14.99.
is 4.5%, what is your total?

Answers

$.67 is the answer because all you have to do is do $14.99 x 4.5%

Answer: 15.66

Step-by-step explanation:

Solve equation 3(x+5)=36

Answers

Answer:

x = 7

Step-by-step explanation:

Answer:

x=7

Step-by-step explanation:

3x+15=36

    -15  -15

      3x=21

        x=7

Willa bought 5 tops that cost $72 after she applied a $20-off coupon. The tops all cost the same amount. Which equation can be used to find the cost in dollars of each top?

Answers

Answer:

14.40 dollars

Step-by-step explanation:

72 divided in 5

4. You buy a video game and pay for it with a $50 bil. Write an expression that can be used to find out how much change you shoud receive. ​

Answers

Answer:

[tex]\boxed{\textsf {\textbf{The amount returned by the shopkeeper is \$ 50 - x .}}}[/tex]

Step-by-step explanation:

Given that I buy a video game and pay $ 50 to the shopkeeper . And we need to find the expression how much change should I receive .

So , let us take that the video game costs x . There can be two cases .

Case 1 :-

When the cost of the product is same as the amount given . When the cost of the video game is $50 then the shopkeeper will give us no change .

[tex]\boxed{\red{\sf Returned\ change = \$ 0 }}[/tex]

[tex]\rule{200}2[/tex]

Case 2 :-

When the cost of the video game is less than $50 then the shopkeeper will return us some change that is equal to the difference if the amount given to shopkeeper and the cost of the video game .

If the cost of the video game is x , then the amount given to us by the the shopkeeper will be ,

[tex]\boxed{\red{\sf Returned\ change = \$ 50 - x }}[/tex]

I have one word to say. MATH.

Answers

I believe it’s c ^^
since you multiply the numerators and denominators.. so since the first fraction is 1/2 & the second is 3/4, you’d multiply it like:
1 x 3 & 2 x 4, giving you 3/8.

The radius of a circular clock is 10.5 inches. Which measrement is closest to the circumference of the clock in inches

Answers

Answer:

65.9734457254 or 65.97

Step-by-step explanation:

c= pi x diameter

c= pi x (10.5 x 2)

c= pi x 21

= 65.9734457254

Answer:

66 in approx

Step-by-step explanation:

Given data

Radius= 10.5 inches

The circumference is given as

C= 2πr

Substitute

C=2*3.142*10.5

C=65.982

Hence the Circumference is 66 in approx

You and your friend are standing back-to-back. Your friend runs 16 feet forward and then 12 feet right. At the same time, you run 12 feet forward and then 9 feet right. You stop and throw a baseball to your friend, who catches it. How far did you throw the baseball?

Answers

Answer:

9 1/3 feet (I think)

Step-by-step explanation:

I imagined it as a grid.

Your friend moves to point (16,12)

You move to point (-12,9)

Then you set up your equation and solve.

[tex]\frac{16 + 12}{12-9}[/tex]

[tex]\frac{28}{3}[/tex]

9 1/3

Hope this helps :)

A $830 iphone has a 20%
discount. The tax rate is 7.5%.
What is the final price of the
phone including tax?

Answers

Answer:

$614.2

Step-by-step explanation:

Um I just calculated it. I'm in Algebra 2 so it's light work

TOPIC: You and two friends have $20 to spend on snacks after school.

Explain how you would divide the money between the three of you.

Explain where you would go and what you would buy with your money.​

Answers

Each friend gets $6.60 and I would go to an dollar tree or 7/11 and buy a drink and some chips

What is the 11th term of the sequence: 7, 13, 19, 25, ....

Answers

pattern is adding 6

so the 11th would be 67

Adds 6 each time so the nth term rule is
6n+1
the +1 because you take away the amount you add by from the first term
The substitute 11 into this so
6x11=66
66+1=67
11th term is 67

You need a piece of paper to measure 56.34 cm. If you tape two together that each measure 35.87, how much do you need to cut off

Answers

Answer:

you will need to cut off 15.4 cm

Step-by-step explanation:

35.87×2=71.74

71.74-56.34=15.4

1) A craftsman makes 40 items in 8 hours. How many
hours will he take to make 75 items?

Answers

Answer:

15 hours

Step-by-step explanation:

40/8 = 75/x

40x = 600

x = 15

Answer:

About 15

Step-by-step explanation:

40 items/8 hours = 5 items per hour( his rate)

75 items/ 5 items per hour= 15 hours

At his rate it will take him about 15 hours to make 75 items

The length of a rectangular prism is three times its width. The height is two times the length. If
its width is 2x^3 units, what is the volume of the prism?

Answers

Answer:

Step-by-step explanation:

Length = 3(2x^3) = 6x^3

Height = 2(6x^3) = 12x^3

Volume = (6x^3)(12x^3)(2x^3)=144x^9

I need help Please!!!!​

Answers

i think it’s 48 inches

Answer:

48 inches

Step-by-step explanation:

[8/3](18) =48

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