1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
BabaBlast [244]
3 years ago
8

A roller coaster makes an angle of 65 degrees with the ground. The horizontal distance fro the crest of the hill to the bottom o

f the hill is about 130 feet, as shown. Find the height h of the roller coaster to the nearest foot.
Mathematics
1 answer:
djverab [1.8K]3 years ago
5 0
It would be helpful if you draw the situation in the problem. We will see that a right triangle is made from the system. By using knowledge on trigonometric functions, we can calculate for the height of the roller coaster. We do as follows:

tan (65) = height / 130
height = 278.79 ft

Hope this answers the question.
You might be interested in
a President Bush international and 2005 the newspapers headlines started about four thousand million people in it in the newspap
svlad2 [7]
The smallest would be 400,000 and the largest would be the same because 0 can't round up or down
4 0
3 years ago
Solve the system of equations : y = x/2 , y = -x - 3 . You can use any method you wish for solving systems of equations. Check y
lorasvet [3.4K]

Answer:

x=−2 and y=−1

Step-by-step explanation:

<u>Problem:</u>

Solve y=x2;y=−x−3

<u>Steps:</u>

I will solve your system by substitution.

y=1/2x;y=−x−3

Step: Solve y= 1/2x for y:

Step: Substitute 1/2 x for y in y=−x−3:

y=−x−3

1/2x= =−x−3

1/2x+x=−x−3+x(Add x to both sides)

3/2x = -3

3/2x/3/2 = -3/3/2 (Divide both sides by 3/2)

x=−2

Step: Substitute −2 for x in y=1/2x:

y=1/2x

y=1/2(-2)

y=−1(Simplify both sides of the equation)

<u>Answer:</u>

x=−2 and y=−1

5 0
2 years ago
An investor invested a total of $2,800 in two mutual funds. One fund earned 5% profit while the other earned 3% profit. If the i
Natasha_Volkova [10]

Answer:

The amount invested in the mutual fund that earned 5% was $1,000

The amount invested in the mutual fund that earned 3% was $1,800

Step-by-step explanation:

Let

x ----> the amount invested in the mutual fund that earned 5%

y ----> the amount invested in the mutual fund that earned 3%

we know that

x+y=2,800 ----> y=2,800-x ----> equation A

5\%=5/100=0.05

3\%=3/100=0.03

0.05x+0.03y=104 ----> equation B

Solve the system by substitution

substitute equation A in equation B

0.05x+0.03(2,800-x)=104

Solve for x

0.05x+84-0.03x=104

0.05x-0.03x=104-84

0.02x=20

x=\$1,000

<em>Find the value of y</em>

y=2,800-x

y=2,800-1,000=\$1,800

therefore

The amount invested in the mutual fund that earned 5% was $1,000 and the amount invested in the mutual fund that earned 3% was $1,800

5 0
3 years ago
Firewood can be sold in cords. the wood is cut into equal lengths and stacked evenly in a rack. which geometric shape can be use
Nadya [2.5K]

To estimate the volume of the chord of wood, since the wood exists cut into equal lengths and stacked evenly in a rack then we can use a cylinder as a model.

<h3>What is a cylinder?</h3>

In mathematics, a cylinder exists as a three-dimensional solid that holds two parallel bases joined by a curved surface, at a fixed distance. These bases exist normally circular (like a circle) and the center of the two bases exists joined by a line segment, which exists named the axis.

A cylinder exists as a closed solid that contains two parallel circular bases joined by a curved surface.

To calculate the volume of the chord of wood, since the wood exists cut into equal lengths and stacked evenly in a rack then we can use a cylinder as a model.

To learn more about cylinders refer to:

brainly.com/question/8531193

#SPJ4

7 0
2 years ago
You are planning to save for retirement over the next 35 years. to do this, you will invest $870 a month in a stock account and
DaniilM [7]
Go to mathpapa thats what i use
6 0
3 years ago
Other questions:
  • Will mark BRAINLIEST and give 5 stars
    7·1 answer
  • The following data represents the number of blogs that a sample of students state they follow. 12,3,10,9,0,1,8,7,3,10,19
    11·1 answer
  • Use the number line.what fraction of 1 foot is 3 inches? what fraction of 1 yard is 3 inches​
    9·1 answer
  • I am begging for help pls!!
    10·1 answer
  • In a toothpaste survey,5 of the first 15 people surveyed preferred the same toothpaste.If 30 people will be surveyed altogether,
    7·1 answer
  • (3x+4y= 10)<br> (2x+3y=7)<br> Using elimination
    10·1 answer
  • HELP HELP THERE IS A PIC ATTACHED HELP HELP PLZ GOBE A REAL ANSWER
    11·1 answer
  • Simplify the expression<br> 3(x-2)+1<br> A. 3x-5<br> B. 3x-6<br> C. 2x-3
    5·1 answer
  • At a glass vase factory, 2 out of the last 10 vases produced were chipped. What is the experimental probability that the next va
    15·2 answers
  • 8x2 +43x +30=0solve for x
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!