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
Travka [436]
3 years ago
9

A person who is 5 feet tall is standing 108 feet from the base of a tree, and the tree casts a 120 foot shadow. The persons shad

ow is 12 feet in length. What is the height of the tree?
Mathematics
1 answer:
slega [8]3 years ago
4 0

Answer:

50ft

Step-by-step explanation:

let x=height of tree.

AB/DE = BC/EC

The ratio is == x/5 =120/12

x/5 = 10

x = 50

Height of tree is 50 ft.

You might be interested in
Name each polynomial by degree and number of terms .
laiz [17]

Answer:

Polynomials are classified according to their number of terms. 4x3 +3y + 3x2 has three terms, -12zy has 1 term, and 15 - x2 has two terms. As already mentioned, a polynomial with 1 term is a monomial. A polynomial with two terms is a binomial, and a polynomial with three terms is a trinomial.

5 0
2 years ago
PLEASE HELP WILL GIVE BRAINLIEST the number of students at north middle school is 1240 and is decreasing by 25 students per year
Nikolay [14]

Answer:

-88

Step-by-step explanation:

Let N(x) be the number of students at NMS for a certain number of years.

Let S(x) be the number of students at SMS for a certain number of years.

Let x be the number of years.

N(x)=1240-25x

S(x)=800-30x

When # of students is equal, N(x)=S(x). Therefore, we are looking for the value of x (# of years) when 1240-25x=800-30x

Subtract 1240 from each side

-25x=-440-30x

Add 30x

5x=-400

x=-88 years

Check your numbers.

6 0
2 years ago
27. The diameter of a music CD is 12 centimeters. Find the circumference
atroni [7]
Diameter is 2 times the radius. Radius is 6.
Circumference is 2(pi)(radius)
Circumference is approximately 37.7cm
8 0
3 years ago
From 1995 - 2008 in the US 648 people were struck by lightening. 531 of them were men. You want to see if this observation diffe
Gre4nikov [31]

Answer:

Because z is higher than any given value in the chart we come to the conclusion To reject null hypothesis

Step-by-step explanation:

Sample proportion = p= 531/648 = 0.8194

This is the proportion of men that were hit by lightening

Null hypothesis: H0: p = 0.5

Alternate hypothesis: H1: p ≠ 0.5

Test statistics z = 0.8194-0.5/(√0.5x0.5/648)

= 0.8194-0.5/√0.0003858

= 0.3194/0.019642

= 16.26

Since the z > 1.96 (at 5% significance) we reject the null hypothesis.

Therefore in conclusion we say z is higher than given values in the chart so we reject null hypothesis.

Please check attachment!

3 0
3 years ago
Jane is studying the weather in Alaska. she recorded the temperature for four days in January, in degrees Fahrenheit, as shown i
babunello [35]

Answer:

a and c

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Other questions:
  • What is the probability of rolling an even number o
    15·1 answer
  • HELP ITS DUE IN 5 MINS
    13·1 answer
  • Working together, 2 friends collected
    10·2 answers
  • Anyone willing to answer this question?
    5·1 answer
  • 52.85 ROUNDED AT NEAREST ONE
    12·1 answer
  • Bob, Celia, Sam and Daniel gave money to buy their boss a retirement gift. Sam and Daniel each gave the same amount of money. Ce
    7·1 answer
  • 3/8(m−2/9)=4 3/4<br> What does M equal
    13·1 answer
  • Nicholas spent 40% of his savings to pay for a video game that cost him $40. How much money was in his savings to begin with?
    15·1 answer
  • Help ASAP 20 Points
    12·1 answer
  • Simply the expression a = -3; b = 9<br> -7a + 4b<br><br> 46?<br> -15?<br> 15?<br> 57?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!