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3 years ago

6

this table contains data on the number of people visiting a historical landmark over a period of one week. sketch a scatter plot

. which of these values comes closest to the correlation coefficient for this data

1 answer:

RSB [31]3 years ago

6 0

Answer:C. 0.9

Step-by-step explanation:

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When x-y=3 work out the value of y-x

GalinKa [24]

The value of y-x is (-3)

<u>Solution:</u>

Given: The value of x-y=3

To find: The value of y-x

$\bold{x-y=3\rightarrow (1)}$

Let's multiply the equation (1) by (- 1) on both sides,

$\Rightarrow\bold{(x - y)\times(- 1) = 3\times(- 1)}$

$\Rightarrow\bold{-(x-y)=-3}$

On multiplying the sign,

$\Rightarrow\bold{(-x+y)=-3}$

The above equation can also be written as,

$\Rightarrow\bold{y-x=-3\rightarrow \text{(The required equation)}}$

<u>Multiplication of signs:</u>

$\Rightarrow( + )\times( + ) = ( + )$

$\Rightarrow( + )\times( - ) = ( - )$

$\Rightarrow( - )\times( + ) = ( - )$

$\Rightarrow( - )\times( - ) = ( + )$

In simpler terms, when we multiply two integers with the same signs, the result is always positive and when we multiply two integers with different signs, the result is always negative.

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2 years ago

Help Me | It says: Multiply by the ones. Regroup if needed. Then It says: 2x6 ones = ? Ones or ? Ten and ? Ones | 2x4 tens = ? T

Marianna [84]

2×6 ones= 12 ones
2× 4 tens(40)=80(8 tens)
tens(10)+1 ten=20(2 tens)
2×3 hundreds(300)=600(6 hundreds)

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2 years ago

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How do you factor 50x - 32x^3

adoni [48]

<span>50x - 32x^3
= 2x (25 - 16x^2)

hope that helps</span>

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3 years ago

Need help due 3 minutes!!!!!

Kazeer [188]

x = 2

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7. These number share the same percentage

otez555 [7]

Answer: 30

You find the difference and put this over the original price ie. 25-20=5. 5/20= 0.25 so the increase is 25%

24x 0.25= 6
6+24=£30

(Or 24x1.25=30)

7 0

2 years ago