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UNO [17]
3 years ago
9

Pleasssee helppp I’m gonna going to fail ):

Mathematics
1 answer:
stich3 [128]3 years ago
5 0

Answer:

The value of a and b is given. All u hv to do is just place the values in the places of a and b. The value of a= 3.1 and b= 7.3.

5i) a+b

     3.1+7.3

     =10.4

ii) b-a

   7.3-3.1

    =4.2

5 and 6 are both similar. Just place the numbers instead of the letters

6i) x+y

    5+7

    =12

ii) y-x

   7-5

   =2

iii) x/y

    5/7

    =0.714

There u go :D

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3 years ago
Solve for x<br><br> -0.3(0.7x - 0.9) = -1.83<br><br> A.) -10<br> B.) -1<br> C.) 1<br> D.) 10
Licemer1 [7]
Hello!

That problem looks pretty messy... let's clean it up! :D

so we have this   ----->  -0.3(0.7x - 0.9) = -1.83        let's get simplifying
 
-0.21x + 0.27 = -1.83    ----->    I distributed the -0.3 among 0.7x and -0.9
-0.21x = -2.1                  ----->    I subtracted 0.27 on both sides of the equation
<u>x = 10</u><u />                             ----->    I divided -0.21 on both sides of the equation

The answer you're looking for is D!

I hope this helps! :D

<u>Please vote me for Brainliest if there is a second answer!</u>
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Answer:

The range gives us a measurement of how spread out the entirety of our data set is. The interquartile range, which tells us how far apart the first and third quartile are, indicates how spread out the middle 50% of our set of data is.

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