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Nata [24]
3 years ago
12

Sovle for x in the equation x2+14+17 =-96

Mathematics
2 answers:
Ket [755]3 years ago
8 0

Solve for x in the equation x2+14x+17=-96.

x=-7+_4/6i

x = –7 ± 8i

x+7+_4/6i

x = 7 ± 8i

MrMuchimi3 years ago
4 0
Hello!

You solve this algebraically

x^{2} + 14 + 17 = -96

Combine like terms

x^{2} +31 = -96

Subtract 31 from both sides

x^{2} =-127

Take the square root of both sides

x = \sqrt{127} i

Hope this helps!

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Step-by-step explanation:

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3 years ago
Stevie and Michael share their profit in a ratio 3:5. Stevie gets £120 more than Michael. How much profit did they make altogeth
Airida [17]

Answer:

£480

Step-by-step explanation:

we can multiply both terms of ratio with same number without changing the ratio.

Example

a:b = ax: bx (here we have multiplied both terms with x)\

Given

Stevie and Michael share their profit in a ratio 3:5

Let the profit for Stevie and Michael be 3x and 5x

Given Stevie gets £120 more than Michael

Profit for Steve = 120 + profit for Michael

3x = 120 + 5x

3x-5x = 120

=> -2x = 120

=> x= -120/2 = -60

As we see profit is negative , hence it cannot be solution.

It can be solved if Stevie and Michael share their profit in a ratio 5:3

(note: in ratio , bigger number should have bigger term in ratio)

Let the profit for Stevie and Michael be 3x and 5x

Given Stevie gets £120 more than Michael

Profit for Steve = 120 + profit for Michael

5x = 120 + 3x

5x-xx = 120

=> 2x = 120

=> x= x120/2 = 60

Profit for stevei = 5x =5*60 = 300

Profit for Michael = 3x = 3*60 = 180

Total profit for them together = 300 + 180 = 480 Answer.

8 0
3 years ago
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Darina [25.2K]

Answer:

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Step-by-step explanation:

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Answer:

Mean: 11

Median: 10.5

Mode: 9

3 0
3 years ago
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