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IrinaVladis [17]
3 years ago
10

The following expression represents the population of colony of penguins in Antarctica: P,= 17.2.3 P, is the penguin population,

and r is time in days. a. What is the population after 6 days? b. When will P, be 650 penguins?​
Mathematics
1 answer:
nikdorinn [45]3 years ago
6 0
55 hours is your answer
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Find the value of x if O is between D & B and DO = 15, OB = 3x + 7, and DB = 9x - 2 x= ____
pishuonlain [190]

Answer:

x = 4

Step-by-step explanation:

DO + OB = DB

15 + 3x + 7 = 9x - 2

3x + 22 = 9x - 2

3x + 24 = 9x

24 = 6x

4 = x

7 0
3 years ago
Gina, Sam, and Robby all rented movies from the same video store. They each rented some dramas, comedies, and documentaries. Gin
weqwewe [10]
Solve using equations:

Gina 11 = a+b+c
Sam 27 = 2a+3b+2c
Robby 19= a+2b+2c

Gina *2 give 22=2a+2b+2c (subtract this from Sam to give)
b=5

the subtract Robby from Gina *2 to give a=3



[Question 1]
let d = number of dramas Gina rented, c = # of comedies, and t = # of documentaries:

[equation a] d + c + t = 11
[equation b] 2d + 3c + 2t = 27
[equation c] d + 2c + 2t = 19

if we subtract [a] from [c] we get:
[equation d] c + t = 8

if we subtract [c]*2 from [b] we get:
[equation e] -c - 2t = -11 or
[equation e] c + 2t = 11

Now we can subtract [e] from [d] to solve for t:
t = 3

Now put in 3 for t in [d] or [e] to solve for c:
c + 2(3) = 11
c + 6 = 11
c = 5

So she rented 5 comedies and 3 documentaries which leaves 3 dramas (which is answer A)
6 0
3 years ago
Read 2 more answers
A large serving of soup from a take-out restaurant is 4/5 liter. The restaurant has 3 liters of soup. The diagram below models t
Airida [17]

Answer:

The quantity of total serving soup does restaurant has = T = 2 \dfrac{2}{5} liters .

Step-by-step explanation:

Given as :

The quantity of large serving soup = \dfrac{4}{5}  liters

The total quantity of soup does restaurant has = 3 liters

Let the quantity of total serving soup does restaurant has = T liters

So, According to question

The quantity of total serving soup does restaurant has = The quantity of large serving soup × total quantity of soup does restaurant has

Or, T =  \dfrac{4}{5} × 3

Or, T =  \frac{4\times 3}{5}

Or, T =  \dfrac{12}{5}

∴   T = 2 \dfrac{2}{5} liters

So, quantity of total serving soup does restaurant has = T = 2 \dfrac{2}{5} liters

Hence,The quantity of total serving soup does restaurant has = T = 2 \dfrac{2}{5} liters . Answer

5 0
3 years ago
Lanie’s room is in the shape of a parallelogram.
VladimirAG [237]

Answer:yes 108 is more than 60

Step-by-step explanation:

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Which of the following is an equation of a line parallel to the equation y = 1x +1? 2 O A. y = -2x-5 O B. y = 2x-5 2. C. y=-1X-5
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Step-by-step explanation:

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