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fiasKO [112]
3 years ago
5

What is the scale factor of triangle ABC to triangle DEF?

Mathematics
1 answer:
erastova [34]3 years ago
5 0

Answer:

option B

6

Step-by-step explanation:

Given in the diagram two triangles ABC and DEF,

length of the side AB = 2

length of the side DE = 12

Scale factor of triangle ABC to triangle DEF, is the scale factor of side AB to DE

AB : DE

2   :  12

1    :  12/2

1    :   6

this means triangle DEF is 6 times larger than triangle ABC

or

triangle ABC is 1/6 of triangle DEF

 

       

               

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In how many ways can 3 letters be mailed in 6 mailboxes if each letter must be mailed in a different box? If the letters are not
meriva

Answer:

Question 1: 120 ways

Question 2: 216 ways

Question 3: 1/36 = 0.278

Explanation:

<u>Question 1: In how many ways can 3 letters be mailed in 6 mailboxes if each letter must be mailed in a different box? </u>

The first letter may be mailed in any of the 6 mailboxes: 6

The second letter may be mailed in any of the other 5 mailboxes: 5

The third letter may be mailed in any of the other 4 mailboxes: 4

According to the fundamental counting principle, the total number of possible outcomes is the product of the possible outcomes for each event.

Thus, the number of ways 3 letters can be mailed in 6 mailboxes, if each letter must be mailed in a different box is 6 × 5 × 4 = 120.

<u>Question 2: If the letters are not necessarily mailed in different boxes, how many ways are there of posting them? </u>

Again, you must use the fundamental counting principle.

This time, since the letters are not necessarily mailed in different boxes, each one can be mailed in 6 boxes, and the total number of ways 3 letters can be mailed is:

  • 6 × 6 × 6 = 216.

<u>Question 3. If the letters are mailed at random, and not necessarily in different boxes, what is the probability that all the letters are put in the same mailbox?​</u>

<u></u>

The probability that all the letters are put in the same mailbox is:

  • number of favorable outcomes / number of total possible outcomes

  • number of favorable outcomes: 6

        This is: the three letters are mailed in the first mailbox, or the three letters in the second mailbox, or the three letters in the third mailbox, or the three letters in the fourth mailbox, or the three letters in the fifth mailbox, or the three letters in the sixth mailbox: 6.

  • number of total possible outcomes: 216 calculated in the question number 2.

  • probability = 6 / 216 = 1/36 = 0.278
3 0
3 years ago
A USB stick can store 1.1x10 power of 3
lesantik [10]

Answer:

uhhh

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B8%20%7D%20%20%5Ctimes%20%20%5Csqrt%7B32%7D%20" id="TexFormula1" title=" \sqrt{8 }
Rudik [331]
That’s a weird input for a problem, it’s just a bunch of slashes, probably radical
3 0
2 years ago
7 1/2 hours before 2:12am
mash [69]
7 hours before 2:12 am would be 6:12 pm. Now go forward 30 minutes which is 6:42 pm. 
3 0
3 years ago
Find the slope of the line passing through (3,-1) and (6,4).​
dybincka [34]

Answer:

The answer to your question is:  m = 5/3

Step-by-step explanation:

Data

A (3, -1)

B (6, 4)

Formula

m = \frac{y2 - y1 }{x2 - x1}

Process

m = \frac{4 + 1}{6 - 3}

m = \frac{5}{3}

4 0
3 years ago
Read 2 more answers
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