3 years ago

Plz answer it all in order

Mathematics

1 answer:

igomit [66]3 years ago

3 0

Answer:

1.0.667

2.3.5,0.12,0.680

3.0.2,0.40,0.112

4.2.5,0.57,1.222

5.1.2,0.75,0.071

6.7.5,0.03,

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Scores on the Critical Reading part of the SAT exam in a recent year were roughly Normal with mean 495495 and standard deviation

My name is Ann [436]

Answer: $495$

Step-by-step explanation:

We know that if the population is normally distributed with mean $\mu$ and standard deviation $\sigma$ , then the sampling distribution of the sample mean , $\overline{x}$ is also normally distribution with :-

Mean : $\mu_{\overlien{x}}=\mu$

Given : The scores on the Critical Reading part of the SAT exam in a recent year were roughly Normal with mean $\mu= 495$

Then , the mean of the average scores you get will be close to $495$

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4 years ago

What is 3x + 4y = 10<br><br> 6x - 4y = 8

exis [7]

Answer:

x=2

y=1

Step-by-step explanation:

9x+0=18

so it's x=2

6=4y=10

so y=1

8 0

2 years ago

Can you help me with this I don’t know how to do it

bogdanovich [222]

Answer:

67,900

Step-by-step explanation:

Move the decimal place 4 spaces to the right.

5 0

3 years ago

Read 2 more answers

Find the first four terms of the sequence given by the following.<br> an = 32+(n-1)-3, n=1, 2, 3...

natta225 [31]

The first four terms are 32,29,26,23

Step-by-step explanation:

Given sequence is:

$a_n=32+(n-1)(-3)\\$

We will put n=1,2,3,4

Putting n=1 in formula of sequence

$a_1=32+(1-1)(-3)\\=32+(0)(-3)\\=32+0\\=32$

Putting n=2

$a_2=32+(2-1)(-3)\\=32+(1)(-3)\\=32-3\\=29$

Putting n=3

$a_3=32+(3-1)(-3)\\=32+(2)(-3)\\=32-6\\=26$

Putting n=4

$a_4=32+(4-1)(-3)\\=32+(3)(-3)\\=32-9\\=23$

The first four terms are 32,29,26,23

Keywords: Arithmetic sequence, Recursive Formula

Learn more about arithmetic sequence at:

#LearnwithBrainly

5 0

3 years ago

In the diagram below, AC is perpendicular to BD. Find the measure of angle AEB.

Rzqust [24]

Hi there!

The measure of angle AEB is equal to 90 because perpendicular lines create 90 degree angles.

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!

7 0

3 years ago