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juin [17]
3 years ago
9

brittany has a pack of 24 pencils, each pencil weighs 0.9 grams. how much does the pack of pencils weigh?

Mathematics
2 answers:
Sever21 [200]3 years ago
7 0
The pack of pencils weighs 21.6 grams because 0.9 times 24 is 21.6 

malfutka [58]3 years ago
5 0
I'm pretty sure you just do 24 x 0.9 which is 21.6

so they weigh 21.6 grams
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Which binomial is a factor of w^2-w-20
Lubov Fominskaja [6]

Answer:

From the given options, option D is the only choice that contains (w-5).

Step-by-step explanation:

Given the expression

w^2-w-20

Breaking the expression into groups

=\left(w^2+4w\right)+\left(-5w-20\right)

Factor out 'w' form w²+4w = w(w+4)

Factor out 'w' from -5w-20= -5(w+4)

so

=w\left(w+4\right)-5\left(w+4\right)

Factor out common term: w+4

=\left(w+4\right)\left(w-5\right)

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3 0
2 years ago
Solve |x|=5<br><br> A{-5}<br> B{5} <br> C{-5,5}
vaieri [72.5K]

Answer:

x=-5\quad \mathrm{or}\quad \:x=5

C is your answer

Step-by-step explanation:

\left|x\right|=5\\\mathrm{Apply\:absolute\:rule}:\quad\mathrm{If}\:|u|\:=\:a,\:a>0\:\mathrm{then}\:u\:=\:a\:\quad \mathrm{or}\quad \:u\:=\:-a\\x=-5\quad \mathrm{or}\quad \:x=5

5 0
3 years ago
Read 2 more answers
The areas of two equilateral triangles are 27 yd2 and 75 yd2. Find the ratio of their perimeters.
Cloud [144]
If the areas of two equilateral triangles are 27 yd² and 75 yd², then the ratio of these areas is 27/75 = 9/25 

If the ratios of the areas are 9:25, then their similarity ratio and the ratio of their perimeters is √9:√35 = 3:5. 

3 : 5; 3 : 5 <==ANSWER 
8 0
3 years ago
Read 2 more answers
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