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IrinaVladis [17]
3 years ago
8

Which of these has the same answer as the problem in the box? [3 + 4 +5]

Mathematics
2 answers:
valentina_108 [34]3 years ago
7 0

Answer:

C) 7 + 5

Step-by-step explanation:

3+4+5=12 7+5 also = 12

Dvinal [7]3 years ago
5 0

Answer:

C

Step-by-step explanation:

7+5 makes 12 which is the same as 3+4+5 which is 12

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Need help on this please
rodikova [14]
Answer: 2√10 - √30

explanation:

ok so they’re asking for the difference between the lengths of the sides of each cube. they have different SA’s (surface areas). all you gotta do is plug in the SA in the given equation to find the length of the side and THEN you subtract the answers and thats how you find the difference between the sides.

given:
s = √(SA/6)
SA1 = 240 m^2
SA2 = 180 m^2

S1 = √(240/6) = 2√10 or 6.32
S2 = √(180/6) = √30 or 5.47

s1 -s2 = 2√10 - √30
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2 years ago
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Answer:

4y^2-6y+24

Step-by-step explanation:

add like-terms with polynomials (Khan Academy) had really good videos on specific examples

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2 years ago
Given 2x² = -8, x is ____
IrinaVladis [17]

Answer:

2x² = -8

x² = -4

The answer is no real solutions (x ∉ R) because a perfect square cannot be negative.

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3 years ago
Read 2 more answers
Can you please help me with the question
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