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Semmy [17]
3 years ago
12

A) Inverse Property of Multiplication

Mathematics
2 answers:
kumpel [21]3 years ago
8 0
Hey there!

The answer is B, the commutative property of multiplication.

The commutative property of multiplication states that you  get the same value in an expression, not depending on the order. See here, you have -3/9 and 2, and even though they're in different orders, when you multiply them, they're equal.

Notice how it doesn't work in other operations such as subtraction and division (it works in addition):

10/5 ≠ 5/10
4-10 ≠ 10-4

However,

5 + 10 = 10 + 5

Hope this helps!
Salsk061 [2.6K]3 years ago
7 0
B) Commutative property of Multiplication

Hope this helps!
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Express the negations of each of these statements so that all negation symbols immediately precede predicates. a) ∀x∃y∀zT(x, y,
Gnesinka [82]

Answer:

a) ∀x∃y ¬∀zT(x, y, z)

∀x∃y ∃z ¬T(x, y, z)

b) ∀x¬[∃y (P(x, y) ∨ Q(x, y))]

∀x∀y ¬ [P(x, y) ∨ Q(x, y)]

∀x∀y [¬P(x, y) ^ ¬Q(x, y)]

c) ∀x ¬∃y (P(x, y) ^ ∃zR(x, y, z))

∀x ∀y ¬(P(x, y) ^ ∃zR(x, y, z))

∀x ∀y (¬P(x, y) v ¬∃zR(x, y, z))

∀x ∀y (¬P(x, y) v ∀z¬R(x, y, z))

d) ∀x¬∃y (P(x, y) → Q(x, y))

∀x∀y ¬(P(x, y) → Q(x, y))

∀x∀y (¬P(x, y) ^ Q(x, y))

3 0
3 years ago
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Find the measure of angle A
Neporo4naja [7]
Since 3x + 2 is on a. Straight line, is is equal to 180 degrees.
1) So, 52 + another number must equal 180 degrees.
2) You're answer would be 118 because 118 + 52 = 180
3) Angle A = 118
6 0
3 years ago
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Alona [7]
The answer is 14/5, there ya go
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3 years ago
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NemiM [27]
So we can setup variable equations for this:
so we're given that the length is 22feet longer than the width!
so as an expression length is equal to 22+w
and width as an expression is just w
so the formula for the perimeter for a rectangle is 2l+2w=perimeter
so fill it in now!
1616=2(22+w)+2w
1616=44+2w+2w
1616=44+4w
1572=4w
divide by four..
w=393
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so length is 415
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3 years ago
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I don’t really know if this is a question but if ur asking the variable of an unknown number then it’s x??
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