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ss7ja [257]
3 years ago
14

The selling price for a classic speedboat is $12,000. what was the speedboats original price if it is currently selling for $2,0

00 less than two times its original price?
Mathematics
1 answer:
dangina [55]3 years ago
4 0

Answer:

$7,000

Step-by-step explanation:

Let x equal the original price.

12,000+2000=2x

Combine like terms.

14,000=2x

Divide by the coefficient of x, which in this case is 2.

7,000=x

If you like the variable on the left, rewrite:

x=7,000

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Elden [556K]
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3 0
3 years ago
Part A<br> Rewrite 0.5 as an exponential expression with a base of 2.
koban [17]

Answer:

2^{-1}

Explanation:

05/10

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4 0
2 years ago
In how many ways can 6 competitors finish a race assuming there are no ties?In how many ways can we sit n people on r &lt; n cha
VLD [36.1K]

Answer:  a) 720, b) ^nC_r=\dfrac{n!}{(n-r)!r!} c) 336, d) 30240 e) 120.

Step-by-step explanation:

Since we have given that

a) Number of competitors  = 6

We need to find the number of ways that 6 competitors can finish a race and there are no ties.

So, Number of ways would be

6!=720

b) number of people = n

Number of chairs = r (r<n)

so, the number of ways we can sit n people on r<n chairs is given by

^nC_r=\dfrac{n!}{(n-r)!r!}

c) If there are three awards :

Gold, silver, bronze.

We need to find the number of ways that these medals can be awarded.

Number of ways is given by

^8P_3\\\\=336

d) Number of 5-digit zip codes are possible is given by

^{10}P_5=30240

e) Number of poeple = 10

Number of people required in committee = 3

Number of different 3 person committee that are selected from 10 people is given by

^{10}C_3=120

Hence, a) 720, b) ^nC_r=\dfrac{n!}{(n-r)!r!} c) 336, d) 30240 e) 120.

6 0
3 years ago
Combine like terms in the following expression: x^2 + y ^3 + 4x^2
rjkz [21]
The answer is C. Once you add the like terms x^2 and 4x^2 you get your answer.
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3 years ago
8) Shawna had $20 to spend on six pencils. After buying them she had
Brums [2.3K]

It cost 2 dollers each.

3 0
3 years ago
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