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3 years ago

In slope-intercept form, write the equation of the line passing through the points (-4,1) and (-3,2).

Mathematics

1 answer:

Marina86 [1]3 years ago

4 0

Answer:

the points are starting at 5y and the slope line goes up to (6, 1) and goes down to (-1, 4 ), (-2, 3), (-3, 2) and (-4, 1) The graph has 1x +5

going to desmos to graph it out you can see the slpe line going through (-4, 1) (-3, 2)

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Scores on a certain intelligence test for children between ages 13 and 15 years are approximately normally distributed with μ=10

Tju [1.3M]

Answer: 0.8238

Step-by-step explanation:

Given : Scores on a certain intelligence test for children between ages 13 and 15 years are approximately normally distributed with $\mu=106$ and $\sigma=15$ .

Let x denotes the scores on a certain intelligence test for children between ages 13 and 15 years.

Then, the proportion of children aged 13 to 15 years old have scores on this test above 92 will be :-

$P(x>92)=1-P(x\leq92)\\\\=1-P(\dfrac{x-\mu}{\sigma}\leq\dfrac{92-106}{15})\\\\=1-P(z\leq })\\\\=1-P(z\leq-0.93)=1-(1-P(z\leq0.93))\ \ [\because\ P(Z\leq -z)=1-P(Z\leq z)]\\\\=P(z\leq0.93)=0.8238\ \ [\text{By using z-value table.}]$

Hence, the proportion of children aged 13 to 15 years old have scores on this test above 92 = 0.8238

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3 years ago

Statistics question- what dose needs to show mean

horrorfan [7]

Answer:

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Step-by-step explanation:

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3 years ago

What is the value of 12c3?

g100num [7]

It is 4803 i am not good at math so dont ask me how i got it cause i did it in my head

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4 years ago

Michael cleans 90 cars in 5 days. How many cars does Michael clean per day?

Neko [114]

Answer:

Step-by-step explanation:

Since he does 90 cars-----5 days

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5 0

2 years ago

Read 2 more answers

What is the factors of 2x + 4

ra1l [238]

Answer:

2(x+2)

Step-by-step explanation:

1) 2 : the greatest common factor

2) 2x+4

2x+4=2 ⋅ 2 : Separate out 2

Hope that helps

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3 years ago