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soldi70 [24.7K]
1 year ago
7

Find the gradient of the line 2y - 8x = -2

Mathematics
2 answers:
natima [27]1 year ago
8 0

answer:

gradient is 4

Step-by-step explanation:

gradient is another way of saying slope

slope in the math is often used to show the speed of something

it's the m in y= mx+b

make the equation look like

y = mx + b

2y - 8x = -2

2y = 8x - 2

y= (8x-2)/2

y=4x-1

gradient is the number next to x

answer : gradient is 4

algol131 year ago
4 0

     - - - - - - - - - -  - - - - - - -- -  --  --  -- - - -  - -- - - - - - --- - - - - - ------- - - - - -- - -

\blue\textsf{\textbf{\underline{\underline{Question:-}}}}

What is the gradient of the line

2y-8x=-2?

\blue\textsf{\textbf{\underline{\underline{Answer and How to Solve:-}}}}

In order to find the gradient of the line, we first need to write its equation in slope intercept form (y=mx+b); right now the equation is in standard form, ax+by=c.

So first we add 8x on both sides:-

2y=-2+8x

or

2y=8x-2

Now we divide by 2 on both sides:-

2y/2=8x/2-2/2

On simplification,

y=4x-1

That's our equation in slope intercept form.

The gradient is the number before x:-

4

<h3>Good luck.</h3>

                     - -- - - - - - - - - - -   - - - -- - - - - - - - - - - - - -- - - - - - -- - - -

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Put this equation into slope intercept form 6x+12y=9
Aleksandr-060686 [28]

y = - \frac{1}{2} x + \frac{3}{4}

The equation of a line in slope-intercept form is

y = mx + c ( m is the slope and c the y-intercept )

rearrange 6x + 12y = 9 into this form

subtract 6x from both sides

12y = - 6x + 9 ( divide all terms by 12 )

y = - \frac{6}{12} x + \frac{9}{12} ( which simplifies to )

y = - \frac{1}{2} x + \frac{3}{4}


8 0
3 years ago
A coca cola costs 150 yen. You buyed 30 bottles of cola and sold them at the price of 155 yen each. Find profit %​
bazaltina [42]
<h3><u>Question:</u><u>-</u></h3>

A coca cola costs 150 yen. You buyed 30 bottles of cola and sold them at the price of 155 yen each. Find profit %

<h3><u>Answer</u><u>:</u><u>-</u></h3>

3.33%

<h3><u>Explanation</u><u>:</u><u>-</u></h3>

Cost price = ¥150

Selling price = ¥155

Total profit = Selling price - Cost price

→ = ¥155 - ¥150

→ = ¥5

Profit % = Profit × 100/cost price

️ = 5 × 100/150

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7 0
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Tasya [4]
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8 0
3 years ago
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IRINA_888 [86]
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2 years ago
NO LINKS OR ELSE YOU'LL BE REPORTED!Only answer if you're very good at Math.
andreev551 [17]

Answer:

D.\ y = 3\sin(2(x + \frac{\pi}{4}))

Step-by-step explanation:

Given

A = 3 --- Amplitude

C = \frac{\pi}{4} --- Right phase shift

Required

Identify the function

A sinusoidal function is defined as:

y = A\sin(B(x + C)) + D

Substitute values for A and C

y = 3\sin(B(x + \frac{\pi}{4})) + D

By comparison, only option (D) has the above format where

y = 3\sin(2(x + \frac{\pi}{4}))

Hence (D) is correct

4 0
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