3 years ago

Whats not true about direct porportion

1 answer:

3 0

There’s no picture sooooooooooooooooo no clue sorry

...so...um......
...."..........gusse I’ll........be leaving now.......................have a.... nice day I guess

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Weights of female cats of a certain breed are normally distributed with mean 4.1 kg and standard deviation 0.6 kg.

Diano4ka-milaya [45]

The proportion is 0.4401.

We find z-scores that correspond with both ends of this interval. Z-scores are given using the formula:

$z=\frac{X-\mu}{\sigma}$

For the lower end,

$z=\fracc{3.7-4.1}{0.6}=\frac{-0.4}{0.6}=-0.67$

The proportion of scores to the left of this number is 0.2514.

For the higher end, the z-score is

$z=\frac{4.4-4.1}{0.6}=\frac{0.3}{0.6}=0.5$

The proportion of scores to the left of this number is 0.6915.

To find just the proportion of scores between these two, we subtract;

0.6915-0.2514 = 0.4401.

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3 years ago

Factor and simplify: (x-1)(x+2)^2-(x-1)^2(x+2)

Aleks04 [339]

3x^2+3x-6 this will be the answer

5 0

3 years ago

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Mr.Mckay bought b boxes of crackers for $3 each and p pounds of cheese for $4 per pound.How much did he spend in all.

yulyashka [42]

3b + 4p= amount spent

8 0

3 years ago

How does a linear system work ummmm 20 points

sergey [27]

Answer:

A system of linear equations is just a set of two or more linear equations. In two variables (x and y) , the graph of a system of two equations is a pair of lines in the plane.

Step-by-step explanation:

The lines intersect at infinitely many points. (The two equations represent the same line.)

7 0

3 years ago

1. The groundskeeper of Estofer Park needs to mow 14,623 sq. ft. of grass, He can mow 13 sq. ft. of grass in one minute. How man

Vesna [10]

Answer:

just a guess

Step-by-step explanation:

The first thing I have done was 14,632 and times it by 13 and got the answer of 190216 but I don't know how long that would be in time

6 0

4 years ago

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