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Alex_Xolod [135]
3 years ago
5

Suppose a scientis cools 3 gases will the temperature be negative or positive

Mathematics
1 answer:
ollegr [7]3 years ago
5 0
It would be positive because negative is hot and positive is cold
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Rearrange the equation so uuu is the independent variable.<br> -12u+13=8w-3
Semmy [17]

Answer:

u = 8w-16 /-12        or  =  - 8w-16/12 both mean the same due to the a/-b- = -a/b rule. Then you can factor out the rest. note the fnew subtraction changes mean the same as - (a/b) and should show without brackets as a centre pointing whole fraction subtraction sign.

Step-by-step explanation:

-12u -13 = 8w-3

-12u+13 -13 = 8w-3-13     Eliminate -13 by +13 both sides

-12u = 8w-16                      So you are left with one value left side.

-12u/-12  =  8/-12 - 16/-12   Then divide all values by -12 to find value for u and keep the subtraction as 8 never had subtraction sign and no multiplication .

u = 8w-16 /-12                   Then you can factor out the rest

This has made u the independent variable then you have a choice to continue showing or ignore u; as u =

=       -  8(w-2)/12       Step 1   Factor with subtraction change from -12  to - central fraction

=         - 2(w-2)/3      Step 2   Simplify with new minus sign for central fraction to replace a/-b

6 0
3 years ago
Read 2 more answers
Calculate the sample standard deviation and sample variance for the following frequency distribution of final exam scores in a s
Furkat [3]

Answer:

using

Step-by-step explanation:

\sqrt{efx(x - x) \div fx}  \\

5 0
3 years ago
Find the exact value of the expression if θ = 30°. Do not use a calculator.
Sidana [21]
From my knowledge, I know that cos(30) = ((2)^(1/2))/2, therefore 9cos(30) = 9((2)^(1/2))/2
6 0
3 years ago
5
Nina [5.8K]

Answer:

a

Step-by-step explanation:

1/3 x 3/5 x 3/4 =7/12 so therefore that's what the answer isn't

7 0
3 years ago
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STatiana [176]

In one minute printer can make 12/3=4 photos

1st box so in 4 minutes it will make 4*4 = 16 photos

2nd box 24 images will be in 24/4= 6 minutes

3rd box in 9 minutes it will make 9*4=36 images

4th box 40 images will be 40/4=10 minutes

8 0
3 years ago
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