3 years ago

Expand to write an equivalent expression -1/4(-8x+12y)

Mathematics

1 answer:

sammy [17]3 years ago

7 0

Answer

2x-3y

Step-by-step explanation:

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I need help on this.

andrew11 [14]

To find the midpoint, add x1 and x2 then divide by 2, then add y1 and y2 and divide by 2.

Midpoint = (2a +2b /2 , 0 + 2c /2)

Midpoint = a+b, c

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3 years ago

Write a number that is the same when rounded to the nearest hundred and ten

Sonja [21]

A number when you round to the nearest hundred and tens is the is is the number 200

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3 years ago

Which answer would it be?<br> A. Graph C<br> B. Graph B<br> C. Graph A<br> D. Graph D

Mkey [24]

Answer:

Step-by-step explanation:

y < 1/3x -4

The y intercept is -4

The slope is 1/3

y is less than so the line is dotted

y is less than so we colour below the line

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5 0

2 years ago

This year, a farmer planted 400,000 corn stalks. last year,the farmer planted 276,650 corn stalks. how many more corn stalks did

hjlf

400,000-276,650=123,350

8 0

3 years ago

Read 2 more answers

Solve the following initial-value problem: cos(x) dy/dx + sin(x) y - 1 = 0, y(0) = 1

Akimi4 [234]

Answer:

y= x + cosx

Step-by-step explanation:

$cosx\frac{\mathrm{d}y }{\mathrm{d} x}+(sinx)y-1=0\\cosx\frac{\mathrm{d}y }{\mathrm{d} x}+(sinx)y=1\\\frac{\mathrm{d}y }{\mathrm{d} x}+(tanx)y=secx$

now equation is in linear differential form

finding integrating factor;

I.F. = $e^{\int tanx dx} = e^{ln\ secx} = secx$

$y=\frac{1}{I.F}(\int Q dx + c)$

$y=\dfrac{1}{secx}(\int secx dx + c)$

$y=\int dx + c(cosx)\\y= x + c(cosx)$

using y(0) = 1

1 = 0 + c(cos 0)

c = 1

hence solution becomes

y= x + cosx

4 0

3 years ago