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olga nikolaevna [1]
3 years ago
13

-3/2t=-9 please help. its for a test

Mathematics
2 answers:
11111nata11111 [884]3 years ago
3 0

-\frac{3}{2}t=-9\\\\t=-9:(-\frac{3}{2})\\\\t=-9\cdot(-\frac{2}{3})\\\\t=\frac{18}{3}\rightarrow\boxed{t=6}

Ket [755]3 years ago
3 0

Answer:

The answer is t = 6

Step-by-step explanation:

I. -3/2t = 9

t = \frac{-9}{\frac{-3}{2} }

t = -9 * -2/3

t = 6

Hope that help :D

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Solve for x:<br> .<br> 3x – 1 = –2x + 39
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<em>x = 8</em>

Step-by-step explanation:

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Add 1 to both sides.

3x=-2x+40

Add 2x to both sides.

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Divide 40 by 5.

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3 years ago
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2 years ago
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A normal population has mean =μ7 and standard deviation =σ5. (a) What proportion of the population is less than 18?
marshall27 [118]

Answer:

P(x< 18) = 0.986

Step-by-step explanation:

Step 1: find the z-score using the formula, z = (x - µ)/σ

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z = (18 - 7)/5

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4 0
3 years ago
How to simplify 56/80
Pepsi [2]
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3 years ago
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PLease i need help i dont understand and i need an explantaion
zalisa [80]

Answer:

c) 56 m²

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4 0
3 years ago
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