3 years ago

Please help please help please help please help please help please help please help please help

Mathematics

1 answer:

Burka [1]3 years ago

5 0

I Believe it’s the first one

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Sammy has 20 cookies what is 20 rounded to the nearest ten

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If I'm understanding this correctly 20 rounded to the nearest ten would be 20

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Bao is mixing flour and water to make dough the graph shows how much water he uses for different amounts of flour .How many lite

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To know how many liters of water Bao use per liter of flour we have to divide the liters or flour so:

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1 year ago

An older person is 4 years older than 7 times the age of a younger person. The sum of their ages is 44. Find their ages

Fynjy0 [20]

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5 yr and 39 yr

Step-by-step explanation:

Let x = the age of the younger

then 7x + 4 = the age of the older

Now x + 7x + 4 = 44

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3 years ago

If "z" is a standard normal variable, find the probability that "z" is less than 1.16. Sketch the graph and the required area.

mixer [17]

Answer:

Step-by-step explanation:

It would be more obvious if it says z is a standard Normal variable and that the question is related to statistics.

From "Computing Probabilities Using the Cumulative Table" , the probability of z is less than 1.16, P(z<1.16) = 0.8770.

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