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2 years ago

Which is the better buy? 2 liters of milk at 3.80 OR 1.5 liters of milk at 2.70? Justify the answer!

Mathematics

1 answer:

valentinak56 [21]2 years ago

7 0

Answer:

1.5 litres for 2.70

Step-by-step explanation:

If you'e buying the 2l one they are gonna charge you 1.20 more just for 0.5l, and 0.5l should actually cost 0.95, so they are practically ripping you off if you buy the 2l

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Explain why you must simplify 3 to the second power first

xz_007 [3.2K]

Because you have to go in the order of PEMDAS, parenthesis, exponents, multiplication, division, addition, and subtraction. From what you are saying, 'why you must simplify 3 to the second power first' it seems that you have no parenthesis, so you move onto what is next, which is exponents, in this case, 3 to the power of two.

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3 years ago

Help Please!<br>parallel and perpendicular lines

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3 years ago

Read 2 more answers

BRAINLIEST ASAP! PLEASE HELP ME :)

Afina-wow [57]

Answer:

$\large \boxed{\textbf{30.54 yr}}$

Step-by-step explanation:

For species A,

$P =2000e^{0.05t}$

For species B,

$P =5000e^{0.02t}$

When their populations are equal,

$\begin{array}{rcl}2000e^{0.05t} & = & 5000e^{0.02t}\\e^{0.05t} & = & 2.5e^{0.02t}\\0.05t & = & \ln2.5 + 0.02t\\0.05t & = & 0.9163 + 0.02t\\0.03t & = & 0.9163\\t& = & \dfrac{0.9163}{0.03}\\\\& = & \mathbf{30.54}\\\end{array}\\\text{The populations of species A and B will be the same in $\large \boxed{\textbf{30.54 yr}}$}$

The diagram below shows the population of Species A overtaking that of Species B in about 30.5 yr.

3 0

3 years ago

How is the graph of Y=√X) -5 translated from the graph of √X ?

Tom [10]

Shifted 5 units to the left.

8 0

3 years ago

15-2x=-7x what does x equal

Degger [83]

Answer:

x = -3

Step-by-step explanation:

15 - 2x = -7x

add 2x

15 = -5x

divide by -5

-3 = x

4 0

3 years ago