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fredd [130]
3 years ago
10

SOMEONE PLEASE HELP!!!!

Mathematics
1 answer:
astra-53 [7]3 years ago
3 0
Joint variation equation is a situation when the final value varies by two or more variables

Equation 1

A = s²

Here we have only one variable, 's', and the value of Area will only vary when s varies.

Equation 2

A = πr²

Here the only variable is 'r', which is the radius of a circle. The value of Area, A, varies as radius varies. π is a constant.

Equation 3

A = l×w

Here we have to variables, the 'l' and the 'w'. 
We can say that the value of Area, A, will vary jointly as l and w vary

The correct answer is option a)
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gtnhenbr [62]

Answer:

The slope is going to be 0.09

Step-by-step explanation:

8 0
3 years ago
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a rectangle has a perimeter of 22 feet. the width is 5 feet less than the length. find the length and width of the rectangle​
alexira [117]

Answer:

the length is 8ft

the width is 3ft

Step-by-step explanation:

Step one:

given

perimter= 22ft

let the length be x

width = x-5

Step two

the expression for the perimeter of a rectangle is

P=2L+2W

substituting our data

22= 2(x)+2(x-5)

open brackets

22=2x+2x-10

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divide both sides by 4

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x= 8ft

the length is 8ft

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8 0
3 years ago
A line has the equation y = 6x + 14<br><br> What are the coordinates of the y-intercept of the line?
Firdavs [7]

Answer:

(0,4)

Step-by-step explanation:

formula is y = mx + b

b is the y intercept

y intercept is where the line passes through the y axis

when x is 0 y is 14

because y = 6(0) + 14 -> y= 0+14 -> y= 14 when is 0

4 0
2 years ago
Can someone tell me the right answer to this question plsss and thank you
Valentin [98]

my answer here would either be A) or C)

6 0
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Please help me this dew tomorrow:)
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4.9 then divide by .7 and you get 7 then 7x3=21

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