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Slav-nsk [51]
3 years ago
12

John's teacher wants to buy giant cookies for the entire class. If cookies cost $2.50 each, write an equation that shows how man

y can be bought with $40 and solve.
Mathematics
1 answer:
Anna11 [10]3 years ago
4 0
2.5x=40  .. 40/2.5 = 16 . x=16
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spencer took 21$ with him to the mall. At the music store, he spent 2/3 of his money on a DVD, he spent 1/4 of what he had left
Sunny_sXe [5.5K]

Answer:

$5.25 Dollars

Step-by-step explanation:

I know that if you divide 21 by 3 you get 7. So, 2/3 of 21 is 14. He spent 14 dollars at the music store. This means that he has 7 dollars left. From here he spend 1/4 of 7 dollars on a drink. 1/4 of 7 is $1.75. This means that he has 5.25 dollars left after he bought the drink! :)

<em>Hope this helped! :)</em>

6 0
3 years ago
If the cube above has a surface area of 54cm^3, what is the volume of the cube?
Colt1911 [192]

9514 1404 393

Answer:

  27 cm³

Step-by-step explanation:

The surface area of a cube is ...

  SA = 6s²

Then the edge length is ...

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  9 cm² = s² . . . . . .divide by 6

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The volume of a cube is ...

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The volume of the cube is 27 cm³.

3 0
2 years ago
Help number 3 plz !!!!!!!!!!!!!!!!
gregori [183]
D I hope this will help

3 0
3 years ago
Read 2 more answers
¿Cuántas onzas equivalen a 9 libras? (1 libra = 16 onzas)
rosijanka [135]

Answer:

144 onzas

Step-by-step explanation:

1) 1 libra= 16 onzas

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;) Espero que eso te ayude

4 0
3 years ago
A doctor's office has a computer file showing the heights of 100 male patients of one of the doctors of the practice. the height
kumpel [21]
A) Yes. we don't have enough information so this can not be determined.
B) No, it would just be an outlier.
7 0
2 years ago
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