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2 years ago

Is 72.67 equal to 72.670?

Mathematics

2 answers:

RideAnS [48]2 years ago

7 0

Yes............................................

Fantom [35]2 years ago

4 0

Yes because 72.67 is the same as saying 72.670 but simpler

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Translate each of these statements into logical expressions by using quatifiers and predicates with one or two variables. (a) A

nikdorinn [45]

Answer:

a) $A = \{\exists x \in M, \exist y \in U\,|\,xGy \}$ , b) $B = \{\exists x \in M,\,\exists y \in H\,|\,xMy \}$ , c) $C = \{\forall x \in M\,|\,xI \}$ , d) $D = \{\exists x \in M,\,\forall y \in U\,|\,xJy \}$ , e) $E = \{\exists x \in M, \forall y \in V, V \subseteq U\,|\,xJy \}$

Step-by-step explanation:

a) x - A student, M - Set of students of discrete math class, G - has lived in, y - Florida, U - Set of states of the United States of America.

$A = \{\exists x \in M, \exist y \in U\,|\,xGy \}$

b) x - A student, M - Set of students of discrete math class, y - A perfect grade, H - Midterm I.

$B = \{\exists x \in M,\,\exists y \in H\,|\,xMy \}$

c) x - A student, M - Set of students of discrete math class, I - loves discrete math.

$C = \{\forall x \in M\,|\,xI \}$

d) x - A student, M - Set of students of discrete math class, J - has been in, y - a state, U - Set of states of the United States of America.

$D = \{\exists x \in M,\,\forall y \in U\,|\,xJy \}$

e) x - A student, M - Set of students of discrete math class, J - has been in, y - a city, V - At least one state of the United States of America, U - Set of states of the United States of America.

$E = \{\exists x \in M, \forall y \in V, V \subseteq U\,|\,xJy \}$

5 0

3 years ago

A polygon has n sides. Two of its sides are right angle while the remaining each side is 144.find n

deff fn [24]

Use the formula that states that the sum of the angles of an n-sided polygon is given by
S=(n−2)180
0
........(1)

Since we are given that the two angles are right angles and each of the remaining angles is 144
0
, therefore, the sum is:

S=90
0
+90
0
+(n−2)144
0
.........(2)

Therefore setting (2) equal to (1) we get

(n−2)180
0
=90
0
+90
0
+(n−2)144
0

⇒(n−2)180
0
−(n−2)144
0
=180
0

⇒(n−2)(180
0
−144
0
)=180
0

⇒(n−2)(36
0
)=180
0

⇒n−2=
36
180

⇒n−2=5
⇒n=5+2=7

Hence, the polygon has 7 sides.

4 0

3 years ago

if a student does not like the mountains what is the probability that the student does also not like the beach

Yakvenalex [24]

<span>40.4% I would say but if you need the whole problem I can give it to you.</span>

8 0

3 years ago

Help pls it’s really hard

slavikrds [6]

Answer:

1 acute and 2 right (the last option)

3 0

3 years ago

What is -1/9 written as a decimal?

Vilka [71]

Using division, you will find that -1/9 continues on and on forever with no end, so you can mark this by drawing a line over the last repeating number

4 0

3 years ago

Read 2 more answers