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3 years ago

How can I doo hard math level

Mathematics

2 answers:

artcher [175]3 years ago

8 0

Answer:

You can learn math by

Step-by-step explanation:

practicing and remember not to overwork yourself

oee [108]3 years ago

5 0

You can learn how to do hard level math by:

-Practicing hard level math

-asking friends who do hard level math to analyze if you have the ability for hard level math

-believing you can do hard level math

-learning from your mistakes :p

Hope this helps you ♥︎☁︎☀︎☁︎

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3 years ago

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3 years ago

Solve the equation 53y-55=42y

tekilochka [14]

Answer:

y=5

Step-by-step explanation:

Move all terms to the left

53y-55-(42y)=0

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11y-55=0

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4 0

2 years ago

An educational psychologist wishes to know the mean number of words a third grader can read per minute. She wants to make an est

amid [387]

Answer:

(38.1,88.6)

Step-by-step explanation:

We are given the following in the question:

Sample mean, $\bar{x}$ = 38.3

Sample size, n = 695

Alpha, α = 0.05

Population standard deviation, σ = 3.6

95% Confidence interval:

$\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

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2 years ago