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3 years ago

PLEASE help me. This is due today

Mathematics

2 answers:

insens350 [35]3 years ago

7 0

Answer:

A. A negative linear association

Step-by-step explanation:

The points are close enough for a line of best fit, therefore they are linearly associated and they are going down so it is negative association.

MrRa [10]3 years ago

3 0

Answer:

negative linear

Step-by-step explanation:

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If the 897 step stairwell has 50 landings, how many steps would be between landings

guapka [62]

Answer:

17.94

I think you would do 897 divided by 50. Tell me if im wrong.

8 0

3 years ago

Suppose a circle with center (14,9) passes through point (16, 12). Which equation represents the circle?

kifflom [539]

Answer:

( x - 14)^2 + ( y - 9)^2 = 13

Step-by-step explanation:

The equation of the circle with a center and a point

( x - a) ^2 + ( y - b) ^2 = r^2

( 14 , 9) - center-( a, b)

a = 14

b = 9

( 16 , 12) - point - ( x, y)

x = 16

y = 12

Step 1: substitute the center into the equation

( x - 14)^2 + ( y - 9)^2 = r^2

Step 2: substitute the point into the equation

( x - 14)^2 +( y - 9)^2 = r^2

( 16 - 14)^2 + ( 12 - 9)^2 = r^2

2^2 + 3^2 = r^2

4 + 9 = r^2

13 = r^2

Step 3: subs the radius into the equation

( x - 14)^2 + ( y - 9)^2 = r^2

( x - 14)^2 + (y - 9)^2 = 13

Therefore, the equation of the circle is

( x - 14)^2 + ( y - 9)^2 = 13

8 0

3 years ago

Abby's school is 6 blocks west of her house. Her mother works at a store that is 4 blocks east of her school. Use a number line

faltersainse [42]

Answer:

Step-by-step explanation:

Let us give a proper illustration in the number line

let H be Abby's house

and S be the school

let W be her mother's work.

kindly find attached a rough sketch of the number line for your reference

Question:<em> What value represents the difference in position between Abby's house and her mother's store?</em>

basically, the distance between two points on a number line is the difference between the points.

So the value that represents the position between Abby's house and her mother's store is the distance between the two points.

= 4-(-6)

=4+6

=10

7 0

3 years ago

Find the value of b/2a+b, when a=5 and b=-2

Murrr4er [49]

Answer:

$-\frac{1}{4}$ or -0.25

Step-by-step explanation:

$\frac{b}{2a+b}$

Plug in a=5 and b=-2

$\frac{-2}{2(5)+(-2)}$ =

$\frac{-2}{10-2}$ =

$\frac{-2}{8}$ =

$-\frac{1}{4}$ or -0.25

Have a nice day! :)

5 0

3 years ago

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Mr. Dey took out Rs.5000 from his bank. He took 40 notes of 50 Rupees each and the remaining amount in 20 Rupees notes. How many

MrRa [10]

Answer:

150

Step-by-step explanation:

Start with Rs.5000.

40 notes of 50 Rupees each = 40 * Rs.50 = Rs.2000

Rs.5000 - Rs.2000 = Rs.3000

He took Rs.3000 in 20 Rupees notes.

Rs.3000/Rs.20 = 150

Answer: He took 150 20-Rupee notes

3 0

3 years ago

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