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slava [35]
3 years ago
10

Please Help!! I will give Brianliest to the correct answer!!!!

Mathematics
1 answer:
elixir [45]3 years ago
5 0

Answer:

It is Option B

Hope it helps

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Help please! <br>using quadratic formula <br>round ti nearest hundred ​
Lera25 [3.4K]

Answer:

x = 0.19 or x = -0.76

Step-by-step explanation:

Equation: 7²-4x = 2

reordering the equation,

7x²-4x-2 = 0

Applying,

x = [-b±√(b²-4ac)]/2a..................... Equation 1

From the question,

Given: a = 7, b = -4, c = -2

Substitute these values into equation 1

x = [-4±√(-4²-(2×7×-2)]/(2×7)

x = [-4±√(16+28)]/14

x = (-4±√44)/14

Either

x = (-4+√44)/14

x = (-4+6.63)/14

x = 2.63/14

x = 0.19

or

x = (-4-√44)/14

x = (-4-6.63)/14

x = -10.63/14

x = -0.76

3 0
3 years ago
Mr cold war is coming back......whats 4 to the 7th power ×16 to the 3rd power?
kenny6666 [7]
Your answer is 67108864
3 0
3 years ago
What is the solution to –2(8x – 4) &lt; 2x + 5?
zhuklara [117]

the answer is x > 1/6

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3 years ago
Help me on this<br> Because I don’t get it
Lady_Fox [76]

9514 1404 393

Answer:

  8x +36 = 15

Step-by-step explanation:

The fractions can be made to disappear by multiplying the equation by their least common denominator. That number is 18.

  18(4/9x +2) = 18(5/6)

  8x +36 = 15

__

The solution is x = -21/8.

5 0
3 years ago
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Answer: the answer is B

Step-by-step explanation:

8 0
3 years ago
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