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Lelu [443]
2 years ago
7

How to evaluate 3(2x-4)-6x+12

Mathematics
1 answer:
Inessa [10]2 years ago
7 0

Answer:

0

Step-by-step explanation:

6x-12-6x+12=

0x-12+12=0

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Cold Boarders offers snowboard rentals for $5 per trip and an initial fee of
weqwewe [10]

Answer:

The prices will match up at 3 snowboard rental trips. The cost is $25.

Step-by-step explanation:

First, I wrote out the two equations:

Cold Boarders: 5x + 10

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Next, I kept trying numbers for x until I found one that worked. The two companies prices match up at 3 snowboard rental trips. The cost will be $25. Hope this helped!

4 0
3 years ago
Which number sentence shows that the sum of a number and its opposite is 0?
Kazeer [188]

Answer:

A. −4 + 4 = 0

Step-by-step explanation:

-4 + 4 = 0

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So option A will be the answer

3 0
2 years ago
Read 2 more answers
Given a = 2i+j – 2k<br> b= -1 – 7j+k<br> Find a x b
castortr0y [4]

Step-by-step explanation:

a = 2i + j - k

b = -1 -7j + k

a × b = (2i + j - k) (-1 + 7j + k)

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-2i + 14ij + 2ik -j +7j^2 +jk - 7jk + k - k^2

-2i + 14ij + 2ik - j +7j^2 - 6jk + k - k^2

7 0
3 years ago
Can anyone help me solve this problem: 3i(-5i)
katovenus [111]
The answer is -15i^2

4 0
3 years ago
Vanessa has to sweep 4/6 of the court. If you are already 3/6 of the same court, how much do you need to sweep? Help!
exis [7]

Answer:

Step-by-step explanation:

has to sweep 4/6

already swept 3/6

it needs to sweep 1/6 because

4 / 6-3 / 6 = 1/6

Since they are fractions with the same denominator, you place the same denominator and subtract the numerators.

7 0
3 years ago
Read 2 more answers
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