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3 years ago

Please help me I don’t understand

Mathematics

2 answers:

snow_tiger [21]3 years ago

8 0

B.
I hope this helped!!

omeli [17]3 years ago

6 0

Answer:

Step-by-step explanation:

LIST ALL THE NUMBER IN THE BOX PLOT

hope this helps:)

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How is adding 0.267 to 50.9 different from adding 0.26 to 50.9

Brut [27]

Answer:

Step-by-step explanation:

They are different numbers:

0.269 + 50.9 = 51.169

0.26 + 50.9 = 51.16

8 0

3 years ago

consider the point (x,y) lying on the graph of y=(x+3)^1/2. let L be the distance between the points (x,y) and (4,0). write l as

olga_2 [115]

$L=\sqrt{ (x-4)^2 + y^2 }$
and
$y=\sqrt{x+3} \Rightarrow x = y^2-3$

$L=\sqrt{ (x-4)^2 + y^2 }=\sqrt{ (y^2 - 3-4)^2 + y^2 }=\sqrt{ (y^2-7)^2 + y^2 }$

6 0

3 years ago

PLS HELP ME!!!!!!!!!!

KonstantinChe [14]

Answer:

1) yes, SAS

2) yes, AAS

3) yes, SAS

4) not enough information to know

Step-by-step explanation:

6 0

3 years ago

Please help!

Sholpan [36]

The first one is correct because the angle on the opposite side is the same, and the second one is correct too because it's the same points. So you can pick either or.

6 0

3 years ago

Read 2 more answers

A researcher obtained M = 27 for a sample of n = 36 scores selected from a population with µ = 30 and σ = 18. This sample mean c

dusya [7]

Answer:

True

Step-by-step explanation:

Given that:

M = 27, sample of n = 36 scores, µ = 30 and σ = 18.

The z score is used in statistics to determine by how many standard deviations the raw score is above or below the mean. If the z score is positive, the raw score is greater than the mean and if the z score is negative the raw score is less than the mean. The z score is given as:

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

Given that M = 27, this means that x = 27. Therefore:

$z=\frac{x-\mu}{\sigma}\\\\for \ a\ sample\ size(n):z=\frac{x-\mu}{\sigma/\sqrt{n} }\\\\z=\frac{27-30}{18/\sqrt{36} } =\frac{-3}{3}=-1$

This sample mean corresponds to a z-score of z = –1.00.

7 0

3 years ago