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grandymaker [24]
2 years ago
7

Pencils are sold in boxes of 12. Mrs. Sheridon wants to give 2 pencils to each of her 24 students. How many boxes of pencils wil

l she need to buy? ​
Mathematics
2 answers:
meriva2 years ago
4 0

Answer:

4

Step-by-step explanation:

12*2=24 would be one for each so multiply 2*2

dem82 [27]2 years ago
4 0
The answer is 2. 12 times 2 = 24
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2x + 9 = 5x

5x = 2x + 9

Subtract sides 2x

- 2x + 5x = - 2x  + 2x + 9

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Divide sides by 3

\frac{3x}{3}  =  \frac{9}{3}  \\

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CHECK :

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2(3) + 9 = 5(3)

6 + 9 = 15

15 = 15

So the value is correct.

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8 0
3 years ago
Which line is the graph of y= -2x+2? D B A C
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If N is the population of the colony and t is the time in​ days, express N as a function of t. Consider Upper N 0 is the origina
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Answer:

(a)N(t)=Noe^{kt}

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(c)5 days

Step-by-step explanation:

(a)Given an original amount N_o at t=0. The population of the colony with a growth rate k \neq 0, where k is a constant is given as:

N(t)=Noe^{kt}

(b)If N_o=1000 and the population after 1 day, N(1)=1800

Then, from our model:

N(1)=1800

1800=1000e^{k}\\$Divide both sides by 1000\\e^{k}=1.8\\$Take the natural logarithm of both sides\\k=ln(1.8)

Therefore, our model is:

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In 3 days time

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(c)If the population N(t)=20,000,we want to determine how many days it takes to attain that value.

From our model

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In approximately 5 days, the population of mosquitoes will be 20,000.

7 0
3 years ago
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