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Nadusha1986 [10]
3 years ago
11

rancho middle school has an average of 23 3/8 students per teacher write this mixed number as a decimal

Mathematics
1 answer:
Reika [66]3 years ago
6 0

let's firstly convert it to an improper fraction.


\bf \stackrel{mixed}{23\frac{3}{8}}\implies \cfrac{23\cdot 8+3}{8}\implies \stackrel{improper}{\cfrac{187}{8}}\implies 187\div 8\implies \stackrel{decimal}{23.375}

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2 years ago
How do u simplify this: sqrt =square root<br> 2sqrt462cd^2 * sqrt7c^5d^2
Sveta_85 [38]

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Step-by-step explanation:

6 0
2 years ago
The sum of a number and 6 is greater than or equal to –4 =
Vinvika [58]

Answer:

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8 0
3 years ago
Ricardo throws a stone off a bridge into a river below. The stone's height (in meters above the water), xxx seconds after Ricard
Dominik [7]
For this case we have the following function:
 <span>w (x) = - 5 (x-8) (x + 4)
 </span><span>Rewriting we have:
 </span><span>w (x) = - 5 (x ^ 2 + 4x - 8x - 32)
 </span><span>w (x) = - 5x ^ 2 - 20x + 40x + 160
 </span><span>w (x) = - 5x ^ 2 + 20x + 160
 </span><span>Then, deriving we have:
 </span><span>w '(x) = - 10x + 20
 </span><span>We equal zero and clear x:
 </span><span>0 = -10x + 20
 </span><span>10x = 20
 </span><span>x = 20/10
 </span><span>x = 2 seconds
 </span><span>Substituting values:
 </span><span>w (2) = - 5 (2-8) (2 + 4)
 </span><span>w (2) = - 5 (-6) (6)
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The maximum height that the stone will reach is:
 
w (2) = 180 meters
7 0
3 years ago
5+2x=2x+6 please answer
madam [21]

If we firstly consider only the terms in x.

subtract 2x from both sides of the equation

⇒5+2x

−2x=2x−2x

+6

Observe that the x terms are eliminated and we are left with

5+0=0+6 that is 5=6 which is invalid

There is no solution to this equation.

5 0
3 years ago
Read 2 more answers
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