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PolarNik [594]
3 years ago
15

Surface area & volumeNeed some help please

Mathematics
1 answer:
seraphim [82]3 years ago
7 0
I know that v = l x w x h 
(volume = length x width x height)
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Every cereal box has a gift inside, but you cannot tell from the outside what the gift is. The store manager assures you that 18
UkoKoshka [18]

Answer:

3/26

Step-by-step explanation:

Probability of the first box to have the secret decoder ring is 18 out of 52:

  • 18/52= 9/26

Probability of the second box to have the ring is 17 out of 51, because one box with the ring already selected and not counted:

  • 17/51= 1/3

Probability that both of them have the secret decoder ring:

  • 9/26*1/3= 3/26

<u>So the answer is</u> 3/26

4 0
3 years ago
Wich of following are solutions to |x+3|= 4x -7 <br>Answer x= 10/3
Ludmilka [50]

Answer:

10/3

Step-by-step explanation:

|x+3|=4x-7

So |-(x+3)|=|x+3|

We are going to try out two cases:

-(x+3)=4x-7                              and    x+3=4x-7

-x-3=4x-7                                               3=3x-7

 -3=5x-7                                               10=3x

  4=5x                                                   x=10/3

  x=4/5

We are going to test out both because we could something that isn't actually a solution, this is called extraneous.

First thing I'm going to check is 4x-7 for it being positive.

4(4/5)-7=20/5-7=-15/5=-3 so 4/5 will not work because absolute value result can't be negative

4(10/3)-7=40/3-7=19/3 which is positive

checking |x+3| to see if is 19/3 for x=10/3 we see that is so that is the answer

5 0
3 years ago
Help me with equations
Mrrafil [7]
Hey there! 

Assuming that "f" =  y

So, let's solve your function,  shall we? 

y(-1) = 2 \\ \\ \\ -y= 2 \\ \\ DivideBy(-1)  \\ \\ \\   \frac{-y}{1}  =  \frac{2}{-1} \\ \\ \\ CancelOut:  \frac{-y}{1}  \\ \\ \\ Keep:  \frac{2}{-1}  \\ \\ \\ \\ Answer: y = -2 (option D)

Good luck on your assignment and enjoy your day! 

~LoveYourselfFirst:)
6 0
3 years ago
Which is 1,200 milligrams converted to grams?
Anvisha [2.4K]

Answer: 1.2 grams

Step by step explanation : divide the mass value by 1000

7 0
3 years ago
Jada Elena and Lin walked a total of 37 miles last week. jada walked 4 more miles that elena, and Lin walked 2 more miles than j
MA_775_DIABLO [31]

Answer:

Jada walked 13\ miles

Elena walked 9\ miles

Lin walked 15\ miles

Step-by-step explanation:

Let

x----> total miles walked by Jada

y----> total miles walked by Elena

z----> total miles walked by Lin

we know that

x+y+z=37 -----> equation A

x=y+4 -----> y=x-4 ------> equation B

z=x+2 ------> equation C

Substitute equation C and equation B in equation A and solve for x

x+(x-4)+(x+2)=37

3x=37+2

3x=39

x=13\ mi

Find the value of y

y=13-4=9\ mi

Find the value of z

z=13+2=15\ mi

therefore

Jada walked 13\ miles

Elena walked 9\ miles

Lin walked 15\ miles

3 0
3 years ago
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