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antiseptic1488 [7]
3 years ago
11

Chelsea mailed 2 boxes and 2 bags to her uncle in army. The two boxes weighed 8 ½ pounds each and the two bags weighed 4 ½ pound

s each. How many pounds do all 2 boxes and 2 bags weigh?
Mathematics
2 answers:
Orlov [11]3 years ago
7 0

Answer:26

Step-by-step explanation:

4.5x2=9+17=26

8.5x2=17

Roman55 [17]3 years ago
5 0

Answer:

26lbs.

Step-by-step explanation:

this problem is quite simple when we break it down

first we multiply each of the amounts of the bags and the boxes by two to represent the two of each items as shown

8 1/2 * 2 = 17

4 1/2 * 2 = 9

then all we have to do is add the two new amounts together and TADA:

17 + 9 = 26

we have our answer

NOTE: when multiplying a fraction, you are multiplying how many parts (the numerator) and NOT the size of the part within the whole number (the denominator) in this case 1/2 * 2 = 2/2 and 2/2 = 1

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10) A cube has width of 10 cm. What is the volume of the cube?
PSYCHO15rus [73]

Volume of the cube is 1000 cm³

Step-by-step explanation:

  • Step 1: Find the volume of the cube.

Side of the cube = 10 cm

⇒ Volume of the cube  =(side)³ = 10³ = 1000 cm³

7 0
3 years ago
Read 2 more answers
Simplify.<br><br> (4w + 3) – 2w + 7<br><br> 2w + 10<br> 2w - 10<br> 6w + 10<br> 6w - 10
7nadin3 [17]
Hey there,

2w+10 would be the best choice here.
Sorry if I'm wrong, good luck!

:)
3 0
3 years ago
Please help!! i really need it.<br> ill give brainilest!!
NeTakaya

Answer:

14

Step-by-step explanation:

i think it's 14. i hope i helped :)

4 0
2 years ago
What is the value of y in the equation 5x + 2y = 20, when x = 0.3?
Nikolay [14]
Y=9.25 because inorder to solve this we need to first take 5*.3 which equals 1.5 now that we have this we can move on we now have the equation 1.5 + 2y = 20 so now we need to continue working on getting y by it self so we subtract 1.5 from each side and then that leaves us with 2y=18.5 now we divide by 2 which leaves us with y=9.25 enjoy=)
4 0
3 years ago
There is a bag filled with 3 blue and 4 red marbles. A marble is taken at random from the bag, the colour is noted and then it i
forsale [732]

Answer:

The required probability is 4/7.

Step-by-step explanation:

The sample space for the experiment is: { BB, BR, RB, RR }

The outcome of the event we require is: { BR, RB }

The probabilities for each outcome is given as:

BB: 3/7 x 2/6 = 1/7

BR: 3/7 x 4/6 = 2/7

RB: 4/7 x 3/6 = 2/7

RR: 4/7 x 3/6 = 2/7

Adding the probabilities we have:

{ BR, RB} = 2/7 + 2/7 = 4/7

That's it!

3 0
3 years ago
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