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shutvik [7]
2 years ago
10

A tree that is next to a telephone pole is 15 feet tall and casts a shadow 4 feet long.

Mathematics
1 answer:
alekssr [168]2 years ago
4 0

Answer:

24ft is the length of the shadow of the telephone pole

Step-by-step explanation:

Well first what I did was divide 15 by 4 which equaled to 3.75, after that the question said that the telephone pole was now 90 feet tall so I just had to divide 90 by 3.75 and then 24 ft long was the final answer. I hope that helps

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CAN SOMEONE HELP MEEEE
lianna [129]

Answer:

45%

Step-by-step explanation:

450 observations with more than 3 family members, out of 1000 total observed families.

\frac{450}{1000} =.45

5 0
3 years ago
Can jack built 1/5 of a shed in the same time that kyle can build 5/8 of shed,
Helen [10]
<h3>Answer: 3/10 of a shed</h3>

=============================================================

Explanation:

Let's say the shed comes in 40 equal pieces. Each piece takes the same amount of time to assemble. Why am I picking 40? Because 8*5 = 40.

This will allow us to rewrite the fractions with a common denominator.

  • 1/5 = 8/40 .... multiply top and bottom by 8
  • 5/8 = 25/40 .... multiply top and bottom by 5

So Jack can build 8/40 of the shed in the same amount of time Kyle can build 25/40 of the shed.

Instead of writing fractions (which honestly are a pain to deal with), I'm going to write "8 pieces" and "25 pieces" to represent "8/40" and "25/40" respectively. Just keep in mind that there are 40 pieces total.

So again, Jack can assemble 8 pieces in the time it takes Kyle to assemble 25 pieces.

---------------

The ultimate goal is to have Kyle assemble 40 pieces while Jack puts together some unknown number of pieces (some number between 8 and 40). Let's say it's x.

We can then form this proportion

\frac{\text{Jack's initial 8 pieces}}{\text{x pieces}}=\frac{\text{Kyle's initial 25 pieces}}{\text{goal of 40 pieces}}

which simplifies or cleans up to

5/x = 25/40

-----------------

Let's solve for x using cross multiplication

8/x = 25/40

8*40 = x*25

320 = 25x

25x = 320

x = 320/25

x = 12.8

So in the time it takes Kyle to assemble all 40 pieces, Jack can put together 12.8 pieces of the shed. However, we can't have Jack put together some fractional piece, because each "piece" is as small as it gets. We can't get any smaller. It would be like saying a fractional part of an atom or a lego block.

So we'll round 12.8 down to 12.

Jack can assemble 12 pieces in the time it takes Kyle to assemble 40 pieces.

Let's then convert this back to fraction form

12 pieces = 12/40 of a shed = 3/10 of a shed.

8 0
3 years ago
37-(y-19)=2y this is a problom from rsm
ankoles [38]

Answer:

y = 56/3

Step-by-step explanation:

Distribute:

37 - (y - 19) = 2y

37 - y + 19 = 2y

Add the numbers:

37 - y + 19 = 2y

56 - y = 2y

Rearrange the terms:

56 - y = 2y

-y + 56 = 2y

Solution:

y = 56/3

8 0
2 years ago
Please help me asap I will give brainliest or whatever you want
dangina [55]

Answer/Step-by-step explanation:

Part A:

Key:\left[1 Adult = 4 Student]

Formula: Divide by 4

<u> 12 Student = 3 Adult</u>

<u>24 Student = 6 Adult</u>

<u>40 Student = 10 Adult</u>

Part B:

33 Student

Hence, divide 33 by 4 = 8 with a remainder of 1.

Therefore, 8 Adult and for the remainder 1 student either one Adult takes 5 Student or Needed 9 Adult.

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2 years ago
- Keisha writes the following list of numbers.
torisob [31]

The type of numbers, rational and irrational from the numbers Keisha writes are;

a. Rational numbers; -9, 3.0, 2, and 2.42

b. Irrational numbers; √8

<h3>What is the difference between rational and irrational numbers?</h3>

Rational numbers are numbers are numbers that can be expressed as a ratio of two whole numbers P/Q, in which, <em>Q </em>≠ 0

Irrational numbers are those that cannot be expressed as a fraction P/Q

The given numbers are;

-9, √8, 3.0, 2, 2.42

  • -9 = -9/1

  • √8 = 2•√2 (√2 cannot be expressed as a fraction of two whole numbers)

  • 3.0 = 3/1

  • 2 = 2/1

  • 2.42 = \frac{242}{100} =  2 \frac{21}{50}

a. The rational numbers are therefore;

  • -9, 3.0, 2, and 2.42

b. The irrational number is; √8

Learn more about rational and irrational numbers here:

brainly.com/question/43641

#SPJ1

3 0
1 year ago
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