3 years ago

I need help with number 19 and 20!! Please!

Mathematics

1 answer:

Alla [95]3 years ago

3 0

19 is -1 and 10 is -7 just look it up it will give you the same

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ValentinkaMS [17]

Answer:

Solution,

$\frac{17}{13} = \frac{9}{u}$

Sinplify the equation using cross multiplication

$17 \times u = 13 \times 9$

Calculate the product

$17u = 117$

Divide both sides of the equation by 17

$\frac{17u}{17} = \frac{117}{17}$

Calculate

$u = 6.88$

Hope this helps...

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3 years ago

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Answer:

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3 years ago

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zheka24 [161]

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3 years ago

Alex rolls a six-sided number cube 570 times. Approximately how many times can he expect to roll a 5?

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