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Nikitich [7]
3 years ago
13

PLZ HELPPP

Mathematics
1 answer:
Marizza181 [45]3 years ago
5 0

Answer:

5 dollars more

Step-by-step explanation:

Right now, Jake is using a material that gives him 27 dollars of profit per deck.  If he switches to a new material, the profit that he gets is expressed by the function y = 32x. To make this a bit easier to understand, let's switch out y and x for some easier words.

profit = (number sold)*32

This function shows that for each deck with the new material, Jake will get 32 dollars profit. Since the question asks for how many more dollars, we can get the answer by

32 - 27 = 5.

If you still don't understand it, you can think of his old material in a function too:

y = 27x or profit = (number sold) * 27.

Comparing that one with the one above with the new material, we can tell that 32 represents the profit per deck.

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n a particular day, the wind added 2 miles per hour to Alfonso's rate when he was cycling with the wind and subtracted 2 miles p
goldfiish [28.3K]
Recall your d = rt, or distance = rate * time

notice, the time he took to cover 63 miles with the wind, is the same amount of time he took against it with 51 miles only, let's say, he took "t" hours long
and he was cycling at a rate of "r"

thus    \bf \begin{array}{lccclll}
&distance&rate&time\\
&-----&-----&-----\\
\textit{with the wind}&63&r+2&t\\
\textit{against the wind}&51&r-2&t
\end{array}\\\\
-----------------------------\\\\

\begin{cases}
63=(r+2)t\implies \cfrac{63}{r+2}=\boxed{t}\\\\
51=(r-2)t\\
----------\\
51=(r-2)\left( \boxed{\cfrac{63}{r+2}} \right)
\end{cases}

solve for "r"
8 0
3 years ago
PLEASE HELP!!!! WILL GIVE BARAINLYIST!!!!
Klio2033 [76]

Experimental probability = 1/5

Theoretical probability = 1/4

note: 1/5 = 0.2 and 1/4 = 0.25

=============================================

How I got those values:

We have 12 hearts out of 60 cards total in our simulation or experiment. So 12/60 = (12*1)/(12*5) = 1/5 is the experimental probability. In the simulation, 1 in 5 cards were a heart.

Theoretically it should be 1 in 4, or 1/4, since we have 13 hearts out of 52 total leading to 13/52 = (13*1)/(13*4) = 1/4. This makes sense because there are four suits and each suit is equally likely.

The experimental probability and theoretical probability values are not likely to line up perfectly. However they should be fairly close assuming that you're working with a fair standard deck. The more simulations you perform, the closer the experimental probability is likely to approach the theoretical one.

For example, let's say you flip a coin 20 times and get 8 heads. We see that 8/20 = 0.40 is close to 0.50 which is the theoretical probability of getting heads. If you flip that same coin 100 times and get 46 heads, then 46/100 = 0.46 is the experimental probability which is close to 0.50, and that probability is likely to get closer if you flipped it say 1000 times or 10000 times.

In short, the experimental probability is what you observe when you do the experiment (or simulation). So it's actually pulling the cards out and writing down your results. Contrast with a theoretical probability is where you guess beforehand what the result might be based on assumptions. One such assumption being each card is equally likely.

7 0
3 years ago
Of the 43 passengers on an airplane 19 Arman and the rest are a woman what is the ratio of the number of passengers to the numbe
Blizzard [7]

Answer:

43:24

Step-by-step explanation:

1. Keep 43 passengers in mind

2. To find how many women you would take 43 passengers minus 19 Arman

3. You should get 24, that's how many women

4. Set up your ratio: 43:24, 43/24 Any could work

4 0
3 years ago
What is the volume of a prism where the base is a 45-45-90 triangle with a leg of 5 in. when the height is 1.8 in.?
Basile [38]

V = 22.5 cu in

V = (1/2)(5)(5)1.8)

Hope this helps!

6 0
3 years ago
-7/4 = 2/5t
myrzilka [38]

Answer:

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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