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Taya2010 [7]
3 years ago
5

your family is driving to the beach. you travel 200kilometers in the first two hour. during the next hour you stop for lunch and

only travel 25 kilometers. What is your average speed?
Mathematics
1 answer:
ziro4ka [17]3 years ago
4 0

Answer:

8

Step-by-step explanation:

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There are nine empty seats in a theater, and six customers need to find places to sit. How many different ways can these six sea
dybincka [34]

Answer: 60480

Step-by-step explanation:

Given : The number of empty seats in a theater = 9

The number of customers need to find places to sit =6

Since order matters here, so we use permutations

The permutations of n things taking r at a time is given by :-

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

Then, the number of ways to arrange 6 seat in 9 seats :-

^9P_6=\dfrac{9!}{(9-6)!}=\dfrac{9\times8\times7\times6\times5\times4\times3!}{3!}\\\\=60480

Hence, the number of ways to arrange 6 seat in 9 seats = 60480

3 0
3 years ago
In January, the depth of a lake was 1,014 feet. In August, the depth of the lake was 659.1 feet. What is the percentage decrease
Colt1911 [192]

Answer:

35% decrease

Step-by-step explanation:

To find the percent decrease, divide the difference in price by the original price:

(1014 - 659.1) / 1014

354.9 / 1014

= 0.35

So, the percent decrease was 35%

7 0
3 years ago
If f(x)=2x-6 and g(x)=3x+9, find (f+g)(x)
anyanavicka [17]

Answer:

<em>(f+g)(x) </em>= 5x + 3

Step-by-step explanation:

7 0
3 years ago
2 less than 7 times a number c is written as
sammy [17]

Answer:

7c-2

Step-by-step explanation:

7 times a number c tells us that we want to multiply c by seven. 2 less than tells us that we want to subtract 2 from 7c.

7 0
3 years ago
A bag contains 150 marbles. Some are blue, and the rest are white. There are 21 blue marbles for every 4 white marbles. How many
ycow [4]

Answer:

are you sure that you have the question right? because this is not do able unless fractions are allowed.

6 0
3 years ago
Read 2 more answers
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