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matrenka [14]
2 years ago
6

Quy tắc suy luận nào là cơ sở của suy diễn sau: "Biết rằng: 2 đường thẳng d và d' song song hoặc cắt nhau. Ta đã có d không song

song với d'. Vậy d cắt d'
Select one:
a. Luật loại trừ
b. Luật rút gọn
c. Luật phản chứng
d. Luật tách rời
Mathematics
1 answer:
Travka [436]2 years ago
4 0

Answer: a

Step-by-step explanation:

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Y = 3x - 5 what is the value of Y??
lara [203]

Answer:

41

Step-by-step explanation:

x=12

so y=3⋅12 +5

=36+5

=41

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2 years ago
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Determine weather the two expressions are equivelent tell what property is applied if not explain why (35+17)+43 and 35 +(17+43)
madam [21]

Answer:

Associative Property

Step-by-step explanation:

3 0
2 years ago
Mr.sanchez drives 120 miles in 3 hours. At the same rate, how far will he drive in 5 hours
Rina8888 [55]
To elaborate:

To do this problem, we assume that Mr. Sanchez is driving at a constant rate.

According to this information, he has driven 120 mi in 3 hr. To find how much he drives in 5 hr, we first have to find how many mi he drives in 1 hour. To do this, we divide 120 miles by 3 hours, since we assume that he managed to drive an equal amount in each hour.

120/3=40

Therefore Mr. Sanchez drove at a rate of 40 mph.

However, this isn't the final answer. 40 miles is the distance for one hour of driving. To find the distance for 5 hours, we have to multiply the distance by 5 as well.

40 times 5=200

In conclusion, Mr. Sanchez will drive 200 miles in 5 hours.
4 0
3 years ago
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Hi! how many times does 9 go into 67???? plz help me
Nina [5.8K]

Answer:

it goes into 67 7 times

Step-by-step explanation:


8 0
3 years ago
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Parse the regular hexagon, and tell how much regular unit triangle do you find, if the length of one side of the regular hexagon
Thepotemich [5.8K]

Answer:

Six.

Step-by-step explanation:

In geometry, a hexagon is a two-dimensional polygon that has six sides. A regular hexagon is a hexagon in which all of its sides have equal length. We sometimes define a regular hexagon using equilateral triangles, or triangles in which all of the sides have equal length.

The regular hexagon is a convex polygon with six equal sides and six equal angles. Each external angle of the regular hexagon measures 60 degrees. It is closely related to equilateral triangles: Joining each vertex with its opposite, the regular hexagon is divided into six equilateral triangles.

5 0
3 years ago
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