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jolli1 [7]
3 years ago
15

A. 4 packs of pencils and 3 packs of erasers B. 4 packs of pencils and 5 packs of erasers C. 5 packs of pencils and 3 packs of e

rasers D. 10 packs of pencils and 6 packs of erasers

Mathematics
1 answer:
amid [387]3 years ago
3 0
C. 5 packs of pencils and 3 packs of erasers. it is c because no matter what 20(the pack of erasers) is multiplied by it will always end in a zero, therefore you would have to multiply 12 by a number that would make it a multiple of 20 as well which happens to be 5. 5×12=60 and 3×20=60
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UNO [17]

Answer:

probability of Number of earth quakes in a fixed interval of time is to be determined at a mean rate of 1.2 times once every 22 years.

Step-by-step explanation:

Poisson probability distribution is used to determine probability of an event in a fixed interval of time and space given that the event occurs with known mean rate and independently of time since its last occurance.

In this scenario,

Mean is 1.2 times once every 22 years.

probability of number of earth quakes in any fixed interval of time is to be determined

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7 0
3 years ago
The legth of a rectangle is 15 inches less then twice its width, w. If the perimeter of the rectangle is 96 inches what is the l
KATRIN_1 [288]

Answer:

length of the rectangle=27"

Step-by-step explanation:

length be = l; width be = b

2b-15= l

perimeter= 2(l+b)

=2(2b-15+b)=96

=2(3b-15)  =96

3b-15 .=48

3b=48+15=63

b=21. Therefore l = (2 x 21)  - 15=42-15  =27"

8 0
3 years ago
Which type of energy refers to the sum of potential and kinetic energies in the particles of a substance?
Tatiana [17]
Heat it’s the right answer
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2 years ago
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Which two equations have a solution of x=16
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。☆✼★ ━━━━━━━━━━━━━━  ☾  

I'm not entirely sure of how complex or simple you need them so I'll put a few options that all solve to x = 16.

7x - 6 = 106

x / 4 = 4

3x + 7 = 55

8x = 128

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5 0
3 years ago
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Ln(r^2s^10 4√r^2s^10) is equal to Alnr+Blns Where A equals and B equals
LiRa [457]

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\stackrel{\textit{and substituting back}}{\ln\left( \left[ r^2s^{10} \right]^{\frac{5}{4}} \right)}\implies \ln\left( r^{2\cdot \frac{5}{4}} ~~ s^{10\cdot \frac{5}{4}} \right)\implies \ln\left( r^{\frac{5}{2}}~~s^{\frac{25}{2}} \right) \\\\\\ \ln\left( r^{\frac{5}{2}} \right)~~ + ~~\ln\left( s^{\frac{25}{2}} \right)\implies \stackrel{A}{\cfrac{5}{2}}\ln(r)~~ + ~~\stackrel{B}{\cfrac{25}{2}}\ln(s)

8 0
2 years ago
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