When using formulas, does it matter if capital or lower case letters are used? Explain why or why not?

Answers

Answer 1

Answer:

Answer:

There are no standard rules. Writers of maths are allowed to use whatever letters they like for things, and different writers are allowed to use different letters. Most people follow some unwritten conventions, but different users of maths use different conventions. Users in the same discipline area who write to each other a lot tend to use the same conventions, but even then there are differences.

Step-by-step explanation:

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7 less than -2 times a number x is greater than or equal to 41

9x-6y=-20 through (0,-4)

Answers

To make the equation go through (0,-4) the new equation would be 9x + 5y = 20. We needed to change it from subtracting to adding so the direction of the line would go from going down to up too up to down. In slope-intercept form the original equation would be found by the following.

9x - 6y = 20

-6y = 20 - 9x

y = -20/6 - (-9/6x)

y = 9/6x - 20/6

y = 3/2x - 10/3

To make the perpendicular line, take the slope and apply the opposite and reciprocal.

y = -2/3x - 10/3

Best of Luck!

The temperatures recorded one day at two cities are shown below:City L: −8° F

City M: −9° F

Which statement about the temperatures at the two cities is true?

City M was warmer than City L because −9° F < −8° F.
City M was warmer than City L because −9° F > −8° F.
City M was colder than City L because −9° F > −8° F.
City M was colder than City L because −9° F < −8° F.

Answers

Answer:

The 3rd one, -9 F > -8 F.

Step-by-step explanation:

Help now solve it but show your work too

Answers

Answer:

-1/6

Step-by-step explanation:

1/6-1/3

1/6-1×2/3×2

1/6-2/6

1-2/6

-1/6

Answer:

-1/6

Step-by-step explanation:

Written vertically:

1/6

- 1/3

--------

The LCD here is 6, so that -1/3 becomes -2/6, and we have:

1/6

- 2/6

--------

-1/6 (answer)

Solve
8 - (2x - 9) = 17-24

Answers

Answer:

x=12

Step-by-step explanation:

8-(2x-+9)=17-24

8-2x=17-24-9

8-2x=-7+-9

8-2x=-16

-2x=-16-8

-2x=-24

x=-24/-2

x=12

8-(2x-9)=17-24
8 - 2x -+9 = -7
-2x+17=-7
-17 -17
-2x = -24
/-2. /-2

x = 12

Can someone help 400 divide 700

Answers

Answer:

0.57142857142

Step-by-step explanation:

Use a calculator.

Tim says -40°f is equal to -40°c. explain why this is true.

Answers

Let C = degrees Celsius and F = degrees Fahrenheit $C = (F - 32) * (5)/(9)\n\n$ $= (-40 - 32) * (5)/(9)\n\n$ $= (-72) * (5)/(9)\n\n$ $= -(360)/(9) \n\n$ $= -40$

$^(\circ)C=(^(\circ)F-32)\cdot(5)/(9)\n\n^(\circ)C=(-40-32)\cdot(5)/(9)\n^(\circ)C=-72\cdot(5)/(9)\n^(\circ)C=-8\cdot5\n^(\circ)C=-40$

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Solve for x: 5|2x − 2| + 8 = 18.x = 2, x = −2 x = −2, x = 0 x = 2, x = 0 x = 0, x = 1 over 2