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SpyIntel [72]
3 years ago
13

Hurry fasttt fastttt

Mathematics
1 answer:
I am Lyosha [343]3 years ago
8 0
The first option I believe thank me plz
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This problem has two answer to it, Help!
OverLord2011 [107]

as you should already know, an absolute value expression, is in effect a piece-wise expression, since it has a ± versions.


\bf \cfrac{|-2-2r|}{3}=4\implies  \begin{cases} \cfrac{+(-2-2r)}{3}=4\\\\ \cfrac{-(-2-2r)}{3}=4 \end{cases}\\\\[-0.35em] ~\dotfill\\\\ \cfrac{-2-2r}{3}=4\implies -2-2r=12\implies -2-12=2r\implies -14=2r \\\\\\ \cfrac{-14}{2}=r\implies \boxed{-7=r}\\\\[-0.35em] ~\dotfill\\\\ \cfrac{-(-2-2r)}{3}=4\implies \cfrac{-2-2r}{3}=-4\implies -2-2r=-12 \\\\\\ -2+12=2r\implies 10=2r\implies \cfrac{10}{2}=r\implies \boxed{5=r}

6 0
3 years ago
Advanced mathematical concepts glencoe answers
DochEvi [55]
Advanced mathematical concepts glencoe answers indeed.

8 0
3 years ago
It takes my’khiyah 40 seconds to run 1/3 of a lap. How many laps can she run in 5 minutes
kakasveta [241]
Answer:
number of laps = 5/2 = 2.5 laps 

Explanation:
First, we will need to convert the minutes to seconds.
5 minutes = 5 * 60 = 300 seconds

Now, we know that she can run 1/3 of a lap in 40 seconds. To know the number of laps that she can run in 300 seconds, all we have to do is cross multiplication as follows:
40 seconds .................> 1/3 laps
300 seconds ................> ?? laps
number of laps = (300 * 1/3) / 40
number of laps = (100) / 40
number of laps = 5/2 = 2.5 laps

Hope this helps :)
7 0
3 years ago
Work out, giving your answer as a mixed number:<br> 4 2/3 + 1 3/4 =
hammer [34]
4x3+2 = 14/3 —> 56/12
1x4+3 = 7/4 —> 21/12
56-21 is equal to 35/12
Which is 2 and 11/12
4 0
3 years ago
Read 2 more answers
What is the principal, if the interest earned is $22, the simple annual interest rate is 2%, and the time is one year?
seropon [69]

Answer:

$1,100

Step-by-step explanation:

first find the principal first Multiply the rate 0.02 by the time 1 year this gives us 0.02 then divide the interest ($22) by 0.02 then you get $1,100.

Hope that helped!

4 0
2 years ago
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