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3 years ago

What is the slope of the line graphed below?

Mathematics

1 answer:

Sergeu [11.5K]3 years ago

6 0

Answer:

Step-by-step explanation:

If you start at any point on the line, you can go up 3 points and go to the right by 1 point to get back to the line. This is where you get the number 3 because 3/1 is 3.

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A random sample of 25 fields of spring wheat has a mean yield of 27.6 bushels per acre and standard deviation of 5.69 bushels pe

ale4655 [162]

Answer:

Step 1 z(c) = 2,323

CI = ( 25 ; 30,2 )

Step-by-step explanation:

Normal Distribution:

Sample size n = 25

Sample mean μ = 27,6

Sample standard deviation s = 5,69

CI = 98 % then α = 1 - 0,98 α = 0,02 α/2 = 0,01

From z-table we don´t find z (score) for 0,01 directly, we need to interpolate between z = 2,32 and z = 2,33

For 0,0099 z score is 2,33

for 0,0102 z score is 2,32

Δ 0,0003 0,01

Then by rule of three

for Δ 0,0003 ⇒ 0,01

for Δ (0,01- 0,0102) ⇒ x

0,0003 0,01

0,0002 x

x = 0,0067

then z (score for 0,01) = 2,33 - 0,0067 z(c) = 2,3233

round to three decimal places z(c) = 2,323

Step 2:

CI = μ ± z(c) * s/√n ⇒ 27,6 ± (2,323 * 5,69)/5

CI = 27,6 ± 2,6436

round to one decimal place

CI = 27,6 ± 2,6

CI = ( 25 ; 30,2 )

8 0

3 years ago

Please help me send me a picture of the answers it’s for my math class and I forgot how to do it send me a photo of the answers

hoa [83]

The y intercept would be (0,2)
and the x intercept would be (4,0)
the number in front of x in the equation y=mx+b is the way you move, rise over run, put it over one in the case y=0.5/1x+2 so you rise .5 and go the right 1

6 0

3 years ago

Zachary's dad gave him $80 for cleaning out the garage. He used the money to buy a $14.50 book and three games that cost $8.20 e

olya-2409 [2.1K]

Answer:

lunch was $20.90

Step-by-step explanation:

7 0

4 years ago

Montraie has a coin collection. He keeps 10 of the coins in his box, which is 20% of the collection. How many total coins are in

jek_recluse [69]

By definition of percentages, we conclude that Montraie has 10 coins saved in his box that come from a collection with a total of 50 coins.

<h3>How to calculate the quantity of coins in a collection</h3>

In this question we know the quantity of coins in a box and such coins are part of the <em>coin</em> collection. By definition of percentage we have the <em>total</em> quantity of coins in the collection:

x = 10*(100/20)

x = 50

By definition of percentages, we conclude that Montraie has 10 coins saved in his box that come from a collection with a total of 50 coins.

To learn more on percentages: brainly.com/question/13450942

#SPJ1

4 0

2 years ago

Help me with this pls

kobusy [5.1K]

Answer:

C.)-5

Step-by-step explanation:

y2-y1/x2-x1

(-9,6) (-6,-9)

-9-6=-15

-6-(-9)=3

-15/3=-5

4 0

3 years ago

Read 2 more answers