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Luden [163]
2 years ago
14

I need help please i am giving 100 points and brainliest

Mathematics
2 answers:
liubo4ka [24]2 years ago
8 0

Answer:

-3

Step-by-step explanation:

-7x + 4x = 9

-3x = 9

x = 9/(-3)

<h3>x = -3</h3>

<h2>MARK ME AS BRAINLIST </h2>
Fed [463]2 years ago
7 0
Firstly, you want to add: -7x+4x= -3x
2nd: divide -3 on BOTH sides which would look like:
-3x=9
- -
-3 -3
which would then equal
x= -3
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Answer:

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Step-by-step explanation:

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2 years ago
Sally has a discount card that reduces the price of her grocery bill in a certain grocery store by 5%. If c represents the cost
amm1812
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7 0
3 years ago
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Orlov [11]

Answer:

None of the options is correct

Step-by-step explanation:

It is important to know that he expression a < x < b means that x is greater than a and less than b. So, for finding the correct value let's analyse each option.

A. 4 < 50 < 5

50 is greater than 4 but it is not less than 5, so, option A is incorrect.

B. 7 < 50 < 8

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C. 8 < 50 < 9

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D. 10 < 50 < 11

50 is greater than 10 but it is not less than 11, so, option D is incorrect.

Thus, none of the options is correct.

8 0
3 years ago
SecA-tanA/<br>secA+ tanA = ( secA-tanA)^2​
miv72 [106K]

Answer:

A = ...-5π ,-4π ,-3π, -2π, -π, 0, π, 2π, 3π, 4π, 5π....

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