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Hitman42 [59]
3 years ago
9

is of . ’s $250 for $1.50 of . ’s $100 for $4.00 of . How be for ’s to be the ?

Mathematics
1 answer:
Mademuasel [1]3 years ago
3 0
$250+$100__350. $1.50+$4.00___5.50
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Which expression is equal to zero? 9 + (– 27) ÷ (– 3)
GrogVix [38]

Answer:

-27÷(-3)-9

=0

Step-by-step explanation:

Hope this helps you.

4 0
3 years ago
X+3y=3<br> 2x-4y=6<br><br> solve the equations
Gelneren [198K]
Subtract the second equation from double the first equation:

2x+6y-2x-(-4y)=0

10y=0

Therefore, y=0.  Substituting this into the first equation, we see that:

x+3(0)=3

x=3

Therefore, x=3.  The solution to this system is x=3, y=0, or (3, 0).
4 0
3 years ago
Read 2 more answers
If f(x) = 9x2 − x3, find f '(1) and use this value to find an equation of the tangent line to the curve y = 9x2 − x3 at the poin
yaroslaw [1]

Answer:

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8 0
3 years ago
An admiral, captain, and commander, all different, are to be chosen from a group of 10 Starfleet officers. How many different ch
zepelin [54]

Answer:

10C1 *9C1*8C1 = 10*9*8=720

Step-by-step explanation:

For this case in order to select the one admiral, captain and commander, all different. We are assuming that the order in the selection no matter, so we can begin selecting an admiral then a captain and then a commander.

So we have 10C1 ways to select one admiral since we want just one

Now we have remaining 9 people and we have 9C1 ways to select a captain since we want a captain different from the admiral selected first

Now we have remaining 8 people and we have 8C1 ways to select a commander since we want a commander different from the captain selected secondly.

The term nCx (combinatory) is defined as:

nCx = \frac{n!}{x! (n-x)!}

And by properties nC1= n

So then the number of possible way are:

10C1 *9C1*8C1 = 10*9*8=720

If we select first the captain then the commander and finally the admiral we have tha same way of select 10*9*8=720

For all the possible selection orders always we will see that we have 720 to select.

5 0
3 years ago
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$7.50 meal; 6.5% tax whats the total price?
ICE Princess25 [194]
7.987, rounded $7.99
5 0
3 years ago
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