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Licemer1 [7]
4 years ago
13

Simplify the numerical expression. (0.05)(-0.25).

Mathematics
1 answer:
JulijaS [17]4 years ago
7 0
0.05 x -0.25 = -0.0125
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So this has to do with permutations and honestly I need an explanation on how I can figure these out.
AnnZ [28]
Well, the answer quite simple ....there are 4! ways to arrange these numbers...and as 4! = 4*3*2*1 = 24

hence 24 is the correct answer....


u can also remember it by theorem of multiplication as.....in first place (I.e. first code can be any no. out of 4,5,2&7 ....so 4*.....

as first place is acquired by a certain no. that leaves three no. to fill third place and when third place I'd occupied it leaves 2 numbers to fill second place and lastly only one no. to fill the last place .....so it's result will be like 4*3*2*1.



I know this is pretty much confusing ....but still I tried my best....

if anything troubles u here feel free to ask me
6 0
4 years ago
Find the volume of this cylinder
Natalija [7]

Answer:

18252 ft^3

Step-by-step explanation:

Using the formula provided, you can plug your known values in.

V=6^2 × 13^2 × pi = 18252 ft^3. Hope this helps!

8 0
4 years ago
(a + b - c )(a + b + c )
denis-greek [22]

Answer:

a^2+b^2-c^2+2ab

Step-by-step explanation:

(a+b-c)(a+b+c)=a^2+ab+ac+ab+b^2+bc-ac-bc-c^2=a^2+b^2-c^2+2ab

Hope this helps!

5 0
3 years ago
Read 2 more answers
Given that lines a and b are parallel and that m∠4 = 128°, find m∠7.
Mrrafil [7]

Answer:

(depending on the picture) angle 7=128 or angle 7=52

Step-by-step explanation:

If it is parallel and a line is intersecting it (depending on where angle 4 and angle 7 is located) they are congruent or they are supplementary.

6 0
4 years ago
A local deli sells 4-inch sub sandwiches for $2.95. It has decided to sell a "family sub" that is 50
liubo4ka [24]

Answer:

36.875

Step-by-step explanation:

4 0
3 years ago
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