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mrs_skeptik [129]
3 years ago
11

atiba plays for the linden woods vipers in the winnipeg youth soccer league the ratio of players to soccer balls at practice ses

sions is 5:2 how many soccer balls are needed for 20 players
Mathematics
1 answer:
bulgar [2K]3 years ago
7 0

Answer:

8

Step-by-step explanation:

Divide 20 by 5 to get 4 then multiply that why 2.

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What is the vale of ■ in this equation?<br>7×9=(7×10)-(7×■)
aliina [53]
The answer is 1 because 7*9 is 63
7*10=70 70-7=63
5 0
3 years ago
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For the love of God help me !! I'm desperate for it tomorrow
Eduardwww [97]
Try to relax.  Your desperation has surely progressed to the point where
you're unable to think clearly, and to agonize over it any further would only
cause you more pain and frustration.
I've never seen this kind of problem before.  But I arrived here in a calm state,
having just finished my dinner and spent a few minutes rubbing my dogs, and
I believe I've been able to crack the case.

Consider this:  (2)^a negative power = (1/2)^the same power but positive.

So: 
Whatever power (2) must be raised to, in order to reach some number 'N',
the same number 'N' can be reached by raising (1/2) to the same power
but negative.

What I just said in that paragraph was:  log₂ of(N) = <em>- </em>log(base 1/2) of (N) .
I think that's the big breakthrough here.
The rest is just turning the crank.

Now let's look at the problem:

log₂(x-1) + log(base 1/2) (x-2) = log₂(x)

Subtract  log₂(x)  from each side: 

log₂(x-1) - log₂(x) + log(base 1/2) (x-2) = 0

Subtract  log(base 1/2) (x-2)  from each side:

log₂(x-1) - log₂(x)  =  - log(base 1/2) (x-2)  Notice the negative on the right.

The left side is the same as  log₂[ (x-1)/x  ]

==> The right side is the same as  +log₂(x-2)

Now you have:  log₂[ (x-1)/x  ]  =  +log₂(x-2)

And that ugly [ log to the base of 1/2 ] is gone.

Take the antilog of each side:

(x-1)/x = x-2

Multiply each side by 'x' :  x - 1 = x² - 2x

Subtract (x-1) from each side:

x² - 2x - (x-1) = 0

x² - 3x + 1 = 0

Using the quadratic equation, the solutions to that are
x = 2.618
and
x = 0.382 .

I think you have to say that <em>x=2.618</em> is the solution to the original
log problem, and 0.382 has to be discarded, because there's an
(x-2) in the original problem, and (0.382 - 2) is negative, and
there's no such thing as the log of a negative number.


There,now.  Doesn't that feel better. 
 






4 0
3 years ago
After school Rayah skateboards at a constant rate from her house to her friend's house 1.8 miles away. It takes her 12 minutes t
Sonja [21]

Answer:

Step-by-step explanation:

Given that:

Distance to friends's house = 1.8 miles

Time taken = 12 minutes

Since the rate is constant :

The rate Is related to distance and time :

The two variable equation which represents the equation is :

Speed = Distance / time

5 0
3 years ago
What is 80%times360%
zvonat [6]

Answer:2.88

Step-by-step explanation:Because 80% is 0.8 and 360% is 3.6 and when u multiply them u get 2.88

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3 years ago
Please will give brainliest!
vivado [14]

All of the statements except the first are true whether p ║ q or not.

The appropriate choice is ...

... ∠2 ≅ ∠6

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The "corresponding angles postulate" tells you that the lines are parallel if the corresponding angles are equal.

5 0
3 years ago
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