Someone help! I will really appreciate it if someone helped me.

Mathematics

1 answer:

Alex Ar [27]2 years ago

8 0

Answer:

Step-by-step explanation: there the even ones

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Factor completely 3xy - 3x – 2y + 2

IgorLugansk [536]

Answer:

Step-by-step explanation:

$3xy-3x-2y+2\\(y-1)(3x-2)\\Check\\(y-1)(3x-2)\\Simplify\ and\ we\ get\ our\ question\\(y)(3x)+(y)(-2)+(-1)(3x)+(-1)(-2)\\3xy-2y-3x+2$

珠ɪᴢᴜᴍɪᴿᴬᴳᴱ

7 0

2 years ago

Please help I really need it

zavuch27 [327]

Its when x+-1 because thats when f of x or f(x) is highest

4 0

3 years ago

What is the probability that the mean duration of the 24 rowers with idna exceeds 63 minutes?

statuscvo [17]

Answer:

Step-by-step explanation:

Given that: Training-session duration of female rowers with normal iron status is Normally distributed, with mean 69 minutes and standard deviation 18minutes.

Solution:

z score shows the relationship between sample means. The z score is used to determine by how many standard deviations the raw score is above or below the mean. It is given by the formula:

$z=\frac{x-\mu}{\sigma}\\\\for\ sample(n):\\\\z=\frac{x-\mu}{\sigma/\sqrt{n} } \\\\where\ \mu=mean,\sigma=standard\ deviation,x=raw\ score$

Given that μ = 69 minutes, σ = 18 minutes, n = 24

For x > 63 minutes:

$z=\frac{x-\mu}{\sigma / \sqrt{n} } =\frac{63-69}{18/\sqrt{24} }=-1.63$

From the distribution table, P(x > 63) = P(z > -1.63) = 1 - P(z < 1.63) = 1 - 0.0516 = 0.9484

7 0

2 years ago

Write 0.7 as a percent (the 7 has a line on top of it) . round to the nearest percent

Bingel [31]

I'm pretty sure the answer is C. 78%. (KEEP READING)

Because you move the decimal over to the right two times and get 70 add a percent to the end and get 70%. _
But since it is repeating it would be 77%

So if you are rounding it to the nearest number, to ones, then the answer is C. But if you are rounding to the tens then it would be D.

I personally would put C because you want the "nearest percent".

HOPE I HELPED!!!

5 0

3 years ago

What is 9 over 32 as a decimal

Julli [10]

0.28125
You divide 9 by 32
9/32= 0.28125

4 0

2 years ago