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3 years ago

Need help with 7 please! I need help this is very hard i tried Everything!!

Mathematics

2 answers:

Leona [35]3 years ago

8 0

You just need to find 50/2.5 which equals 20 so it would take the average person 20 steps to travel 50ft

yulyashka [42]3 years ago

5 0

50/2.5=20 . 20 steps for the average person to travel 50 ft.

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Please help only answer if you know

GaryK [48]

Answer:

A.) (3,0)

Step-by-step explanation:

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3 years ago

if a and b are the two odd positive integers such that a>b then one of the two numbers ( a+b) /2 and (a-b) /2is odd and even

Tamiku [17]

If $a$ and $b$ are odd positive integers, they are one more than a non-negative even number, i.e. there exists $m,n \in \mathbb{N}$ such that

$a = 2m+1,\quad b = 2n+1$

So, the first expression become

$\cfrac{a+b}{2} = \cfrac{2m+1+2n+1}{2} = \cfrac{2m+2n+2}{2} = m+n+1$

Similarly, we have

$\cfrac{a-b}{2} = \cfrac{2m+1-2n-1}{2} = \cfrac{2m-2n}{2} = m-n$

Now, the parity of these expressions depend on those of $m$ and $n$ . We have four cases:

If both m and n are even:

$m+n+1$ is odd, since $m+n$ is even, while $m-n$ is even

If one of the two is odd and the other is even:

$m+n+1$ is even, since $m+n$ is odd, while $m-n$ is odd

If both are odd:

$m+n+1$ is odd, since $m+n$ is even, while $m-n$ is even

So, in all cases, one between (a+b)/2 and (a-b)/2 is odd, and the other is even.

7 0

3 years ago

it costs $12 to attend a golf clinic with a local pro. Buckets of balls for practice during the clinic costs $3 each. How many b

goldfiish [28.3K]

Answer: If you take out the price of the golf clinic with a local pro, you could buy 6 buckets.

Step-by-step explanation:

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3 years ago

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Which set of ordered pairs does not represent a function?

Vikki [24]

Answer:

Step-by-step explanation:

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3 years ago

The width of a rectangle is 1 units less than the length. The area of the rectangle is 42 units. What is the length, in units, o

MaRussiya [10]

Answer:

7 units is the length of the rectangle

Step-by-step explanation:

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4 years ago