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3 years ago

6

Luis and John deliver soft drinks to local convenience stores. Luis can complete the deliveries in 4 hours alone. John can compl

ete in 6 hours.
If Luis and john work together, how quickly can they complete the delivery route?

1 answer:

zaharov [31]3 years ago

8 0

3 hours I think?
There’s not enough context for this.
It can rlly be anything

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Jenny studied the characteristics of two species of bacteria. The number of bacteria of species A, A(t), after t hours is repres

fredd [130]

Answer: D . $N(t) = 3 + (0.25t)^3 - 8(1.06)^t$

Step-by-step explanation:

Given : Jenny studied the characteristics of two species of bacteria. The number of bacteria of species A, A(t), after t hours is represented by the function,

$A(t) = 5 + (0.25t)^3$

The number of bacteria of species B, B(t), after t hours is represented by the function, $B(t) = 2 + 8(1.06)^t$

Then, the difference in the number of bacteria, N(t), of both the species after t hours will be :-

$N(t)=A(t)-B(t)\\\\=5 + (0.25t)^3-(2 + 8(1.06)^t)\\\\=5 + (0.25t)^3-2-8(1.06)^t\\\\=5-2 +(0.25t)^3-8(1.06)^t\\\\=3+(0.25t)^3-8(1.06)^t$

Hence, the correct answer should be : D . $N(t) = 3 + (0.25t)^3 - 8(1.06)^t$

7 0

3 years ago

How do you divide big numbers?<br>like for example, 2,673 ÷ 486?

Dahasolnce [82]

The easiest way I know is to multiply the divisor by different numbers to see how many times it will go into the dividend. multiplying 486 by 2 or three and seeing which one gets closest.

3 0

3 years ago

Pls help I need a good grade

Gemiola [76]

Answer:

Step-by-step explanation:

CArnival:E,D,B CATACOMBS:A,C,F

6 0

2 years ago

A plumber charges $50 to make a house call. He also charges $25 per hour for labor. If the bill from the plumber is $162.50.

blsea [12.9K]

4.5 hrs because 162.50-50 = 112.50
112.50/25= 4.5

3 0

3 years ago

How can you tell that −10 and −20 are solutions to this inequality, but 10 is not? 3n − 40 < −5n + 8

pochemuha

Step-by-step explanation:

-10 or -20 satisfies the equation.

But when you substitute 10 in:

30-40<-50+8

-10<-42(wrong)

it's wrong

6 0

3 years ago