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IgorLugansk [536]
3 years ago
15

Use the model of an atom to answer the question.

Mathematics
2 answers:
Aleonysh [2.5K]3 years ago
4 0

Answer:

J

Step-by-step explanation:

hope this helps

Sladkaya [172]3 years ago
3 0

Answer:

positive charges.

Step-by-step explanation:

amount of Protons determine the element.

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Consider a population list x, with a CV= 10%. A second population list, y, has a CV= 20%. The linear regression of y on x is y =
ch4aika [34]

Answer:

The correlation coefficient 0.5 depicts that there is moderate positive correlation between y and x.

Step-by-step explanation:

The linear regression equation is

y= a+bx

The given linear equation is

y= 10x

Here, slope=b=10 and intercept=a=0.

From above equation,

ybar=10xbar

We are given that CVx=0.1 and CVy=0.2

where CV=(standard deviation/mean)*100

We know that

b=r(Sy/Sx)

Multiplying by xbar/ybar on both sides

(xbar/ybar)b=r(Sy/Sx)(xbar/ybar)

(xbar/ybar)b=r[(Sy/ybar)/(Sx/xbar))]

(xbar/ybar)b=r[CVy/CVx]

As CVy/CVx=(Sy/ybar)*100/(Sx/xbar)*100=(Sy/ybar)/(Sx/xbar).

By putting ybar=10xbar, b=10, CVx=0.1 and CVy=0.2.

(xbar/10xbar)10=r(0.2/0.1)

1=r(0.2/0.1)

1=r(2)

r=0.5

There is moderate positive correlation between y and x.

6 0
3 years ago
Can someone please check my answer !!!
Verdich [7]

Answer:

its actually the one on the top right

Step-by-step explanation:

Hope it helps ;)

let me know

7 0
3 years ago
Read 2 more answers
The area of a box is 63 sq. Inches. the length is 9 feet. what is the width
telo118 [61]
Area = Length x Width

63 = 9 x width

Width= 63 ÷ 9 = 7 feet

Answer: 7 feet
7 0
3 years ago
Read 2 more answers
Graph the following function on the axes provided.
vitfil [10]

Step-by-step explanation:

step 1. graph f(x) = 2x + 6

step 2. y = mx + b. (slope intercept form)

step 3. b = 6 which is the y intercept so put a dot on (0, 6) or on the y axis at 6

step 4. m = 2 so put another dot up 2 and over to the right 1 from the y intercept

step 5. draw a line through your 2 points and you are done.

5 0
3 years ago
Write each equation in standard form using integers? <br><br> y = 3x + 1<br><br> y = 4x - 7
Maru [420]

Answer:

The standard form of y = 3 x + 1 is         -3x + y = 1 .

The standard form of y  = 4x - 7 is         -4x + y = -7.

Step-by-step explanation:

Here the given equation are:

y = 3 x + 1

and y  = 4x - 7

The above equations are of the form:  y = m x + C

Now, the STANDARD FORM of the equation is Ax + By  = C

<u>Consider equation 1: </u>

y = 3 x + 1

or, y - 3x  = 1

or. -3x + y = 1

⇒ The equation  -3x + y = 1  is in STANDARD FORM.

<u>Consider equation 2: </u>

y = 4 x - 7

or, y - 4x  = -7

or. -4x + y = -7

⇒ The equation -4x + y = -7 is in STANDARD FORM.

3 0
3 years ago
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