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Jobisdone [24]
2 years ago
15

D = 6 when v = 20 Work out an equation connecting d and v work out the value of d when v =30

Mathematics
1 answer:
Grace [21]2 years ago
4 0

The value of d is 27/2 when v =30

<h3>What is equation?</h3>

Equation is the defined as mathematical statements that have a minimum of two terms containing variables or numbers is equal

Suppose that d is directly proportional to the square of v.

So the equation is, d ∝ v² equals to d = kv², where<em> k</em> is a constant.

So in order to find the value of <em>k</em>,

d = <em>k</em> v²

d = 6, v = 20,

Substitue the value of d and v into the equation :

6 = <em>k</em>(20)²

k = 6/400

k = 3/200

Substitue the value of <em>k</em> and v =30 into the equation,

d = 3/200(30)²

d = 2700/200

d = 27/2

Hence, the value of d is 27/2 when v =30

Learn more about equation

brainly.com/question/10413253

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Ms. Pecho currently owes $637.50 simple interest
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Answer:

Step-by-step explanation:1

1/2 years which is 1 year and 5 months.

Explanation:

The formula for simple interest is

You can either substitute the given values first and the solve for

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T as the subject.

T=100xSIPR

T=100 x 637.50

T=100×637.502500×17

T=1.5

As time is always in years, this means it was for

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6 0
3 years ago
2r = 72 please help me
noname [10]

you divide 72 by 2 to get r by itself and get 36


so r=36

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3 years ago
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GREYUIT [131]

d. 24 I'm pretty sure

8 0
3 years ago
Answer correctly please !!!! Will mark Brianliest !!!!!!!!!!!!!!
xxTIMURxx [149]

Answer: 49 pie

Step-by-step explanation:

<h3>7²</h3>
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Write the equation of the line that passes through (-6,0) and is parallel to the line y=5x-43
AVprozaik [17]

The equation of the line that passes through (-6,0) and is parallel to the line y = 5x - 43 in slope intercept is y = 5x + 30

<em><u>Solution:</u></em>

Given that line that passes through (-6, 0) and is parallel to the line y = 5x - 43

We have to find the equation of line

Let us first find slope of line having equation y = 5x - 43

<em><u>The slope intercept form of line is given as:</u></em>

y = mx + c  ------- eqn 1

Where "m" is the slope of line and "c" is the y - intercept

On comparing equation of line y = 5x - 43 with slope intercept form y = mx + c,

we get m = 5

Thus slope of given line is 5

We know that slopes of parallel lines are equal

Thus the slope of line parallel to given line is also 5

Now let us find equation of line having slope "5" and passes through (-6, 0)

Substitute m = 5 and (x, y) = (-6, 0) in eqn 1

y = mx + c

0 = 5(-6) + c

<h3>c = 30</h3>

<em><u>Thus the required equation is:</u></em>

Substitute c = 30 and m = 5 in eqn 1

y = 5x + 30

Thus the required equation of line is found

8 0
3 years ago
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