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Naily [24]
3 years ago
7

Which expression is equivalent to 30(1/2x - 2) plus 40(3/4y-4)

Mathematics
1 answer:
nirvana33 [79]3 years ago
7 0

Answer:

225

Step-by-step explanation:

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Find the common difference: 29, 21, 13, 5, ...<br> Find
nexus9112 [7]

Answer:

8

Step-by-step explanation:

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3 years ago
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Which best explains whether or not all isosceles triangles are similar? All isosceles triangles are similar. Two angles within e
Contact [7]
By Angle-Angle  simlilarity postulate :
If two angles of one triangle congruent to two angles of another, then triangles must be similar.
So, I think the answer is
<span>All isosceles triangles are not similar. The pair of congruent angles within one triangle is not necessarily congruent to the pair of congruent angles within the other triangle.

Because two base angles in  </span>isosceles triangle are congruent, but it could be a lot of isosceles triangles that have different  congruent base angles.
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45-45-90 is an isosceles triangle, and 30-30-120 is an isosceles triangles, but they do not have 2 congruent angles.
7 0
3 years ago
Which expression represents the number of feet that are in x yards?
MAXImum [283]
Which expression represents the number of feet that are in x yards?


The conversion fact is 3 feet = 1 yard.So 

1 yard = 3 feet 
2 yards = 2(3 feet)
3 yards = 3( 3 feet)

Thus, x yards would equal 3x feet.... 

Answer: C. 3x 


5 0
3 years ago
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The positive acute angle formed by the _____ side of an angle in standard position and the x-axis is called a reference angle.
Helga [31]

Answer:

option-C

terminal

Step-by-step explanation:

We know that

reference angle is between terminal side and x-axis

so, the other side will be terminal position

so, we can write as

The positive acute angle formed by the <u>terminal</u> side of an angle in standard position and the x-axis is called a reference angle.

So,

option-C

terminal

7 0
3 years ago
Do you prefer Thai food or chinese food. is the question baised
Ksenya-84 [330]
No, this would not be a biased question unless the people asked were all Thai people or all Chinese people. Then the information would be skewed because naturally, Chinese people would favor Chinese food and same for Thai. 
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3 years ago
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