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ratelena [41]
2 years ago
8

A tree is 14 meters tall. What is its height in feet? Use the following conversion: 1 meter is 3.3 feet

Mathematics
1 answer:
pochemuha2 years ago
8 0
The answer is 46.2ft tall
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Sweater that originally cost $40 is on sale for 10 percent off. What is the amount of the discount? 
saw5 [17]

multiply 40 by 10%

40*0.10 = 4, so the discount would be $4

8 0
3 years ago
What is this??? 28÷7×4=?
Tanya [424]

Answer: 16

Step-by-step explanation: 28÷7=4

                                             4×4   = 16

7 0
2 years ago
PLSS ANSWER
icang [17]
The answer is one and five eighths.
7 0
2 years ago
Check whether the relation R on the set S = {1, 2, 3} is an equivalent
kozerog [31]

Answer:

R isn't an equivalence relation. It is reflexive but neither symmetric nor transitive.

Step-by-step explanation:

Let S denote a set of elements. S \times S would denote the set of all ordered pairs of elements of S\!.

For example, with S = \lbrace 1,\, 2,\, 3 \rbrace, (3,\, 2) and (2,\, 3) are both members of S \times S. However, (3,\, 2) \ne (2,\, 3) because the pairs are ordered.

A relation R on S\! is a subset of S \times S. For any two elementsa,\, b \in S, a \sim b if and only if the ordered pair (a,\, b) is in R\!.

 

A relation R on set S is an equivalence relation if it satisfies the following:

  • Reflexivity: for any a \in S, the relation R needs to ensure that a \sim a (that is: (a,\, a) \in R.)
  • Symmetry: for any a,\, b \in S, a \sim b if and only if b \sim a. In other words, either both (a,\, b) and (b,\, a) are in R, or neither is in R\!.
  • Transitivity: for any a,\, b,\, c \in S, if a \sim b and b \sim c, then a \sim c. In other words, if (a,\, b) and (b,\, c) are both in R, then (a,\, c) also needs to be in R\!.

The relation R (on S = \lbrace 1,\, 2,\, 3 \rbrace) in this question is indeed reflexive. (1,\, 1), (2,\, 2), and (3,\, 3) (one pair for each element of S) are all elements of R\!.

R isn't symmetric. (2,\, 3) \in R but (3,\, 2) \not \in R (the pairs in \! R are all ordered.) In other words, 3 isn't equivalent to 2 under R\! even though 2 \sim 3.

Neither is R transitive. (3,\, 1) \in R and (1,\, 2) \in R. However, (3,\, 2) \not \in R. In other words, under relation R\!, 3 \sim 1 and 1 \sim 2 does not imply 3 \sim 2.

3 0
3 years ago
A baby giraffe measures 6 feet tall when it is
Anni [7]

Answer:

  • Giraffes are the tallest mammal on Earth.
  • They can run as fast as 35 miles an hour!
  • They spend most of their lives standing up, they even sleep standing up!
3 0
3 years ago
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