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Marina86 [1]
3 years ago
9

Someone bought three t-shirts for $15 and nine $0. 90 each including tax how much did he spend

Mathematics
1 answer:
Goshia [24]3 years ago
6 0

You multiply three( # of shirts) and 15.90 ( price)

The answer is $47.70 is how much he spend

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algol13
The square root of 150 is 12.2474487139. The square root of 136 is 11.6619037897. And your welcome :)
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How is 0.004 the same as and different from 0.444?
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Step-by-step explanation:

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5. Solve the equation z^2 + 4z - 9 = 0 by completing the square.
Luba_88 [7]

Answer:

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Step-by-step explanation:

Let's solve your equation step-by-step.

0=z2+4z−9

Step 1: Subtract z^2+4z-9 from both sides.

0−(z2+4z−9)=z2+4z−9−(z2+4z−9)

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For this equation: a=-1, b=-4, c=9

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Step 2: Use quadratic formula with a=-1, b=-4, c=9.

z=

−b±√b2−4ac

2a

z=

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2(−1)

z=

4±√52

−2

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Step-by-step explanation:

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