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3 years ago

Write an equivalent expression: 8(3m – 4)

Mathematics

1 answer:

julsineya [31]3 years ago

5 0

Answer:

24m -32

Step-by-step explanation:

8(3m-4)

8(3m)-8(4)

8(3m)=24m

24m-8(4)

8(4)=32

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Taylor buys nail polish from a shop that cost $3.95 each. She has a maximum of $30 to spend on nail polish purchases. The total

kati45 [8]

Answer:

$C_t=3.95x,\ 0\leq x\leq 7$

Step-by-step explanation:

<u>Modeling With Functions</u>

It's a common practice to try to mathematically represent the relation between two or more variables. It allows us to better understand the behavior of the phenomena being observed and, more importantly, to be able to predict future values.

The specific situation stated in the question relates how Taylor buys nail polish for $3.95 each, with a maximum of $30 to spend. If x is the number of nail polish purchased, then the total cost will be

$C_t=3.95x$

But we know Taylor has a limited budget of $30, so the total cost cannot exceed that amount

$3.95x\leq 30$

Solving the inequality for x

$x\leq 30/3.95$

$x\leq 7.6$

We round down to

$x\leq 7$

Of course, the lower limit of x is 0, because Taylor cannot purchase negative quantities of nail polish

Our model is now complete if the state the limits of x, or its domain

$\boxed{C_t=3.95x,\ 0\leq x\leq 7}$

3 0

3 years ago

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Setler79 [48]

48 is the answer you will get

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3 years ago

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Dogs are inbred for such desirable characteristics as blue eye color, but an unfortunate by-product of such inbreeding can be th

Agata [3.3K]

Answer:

<h2>Option 2 is the right answer.</h2>

Step-by-step explanation:

We need to check if the two characteristics, <u>having blue eyes and being deaf are independent of each other or not</u>.

The above two characteristics will be independent if $[Probability of being deaf with blue eyes] = {Probability of being deaf } {Probability of having blue eyes}$