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kap26 [50]
3 years ago
5

Carla packed this box with 1-centimeter cubes. What is the volume of

Mathematics
1 answer:
Tomtit [17]3 years ago
8 0

well i cannot see the box... but I can tell you how to solve the exercise.

imagine the box has height H, width W and Length L

the volume of said box would be V = H*W*L

now imagine that Carla's box was similar to this one.

and she filled this box with 1 cm cubes, assuming the height to be 3 cm

v= (number of cubes height) *(number of cubes width) *(number of cubes length) = 3 * 3 * 5  cubic cm= 45 cubic cm

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if we increased one side of a square by 5 units and decreased the other by 3 units the area of the resulting rectangle would be
zvonat [6]

Answer:

18 units

Step-by-step explanation:

So let's list out the sides.

for the first square let's just call them x

for the second square then they would be x+5 and x-3

So let's write out their areas we will cal the area of the first one z

x*x = z

(x+5)*(x-3) = z+21

since z = x^2 we can set up the second equation as a quadratic.

(x+5)*(x-3) = x^2 + 21

x^2 - 3x + 5x - 15 = x^2 + 21

But look, the x^2s cancel out

2x - 15 = 21

2x = 36

x = 18

Test it out and see if it fits the description, And if you don't understand anything just let me know so I can explain more.  

3 0
3 years ago
Find the reciprocal of 3​
butalik [34]
1/3 because all you have to do is flip it
4 0
3 years ago
the original price of a winter jacket is $125 is on sale for $81.25 cents what is the percent discount
Hoochie [10]
81.25 / 125 = 0.65
so 65 %

to check 65% * 125 = 81.25 
hope this helps ;)

5 0
4 years ago
Q= r/2 (s +t) for t.
Vanyuwa [196]

Answer:

t=2Q-sr/r

Step-by-step explanation:

We are to make t the subject of formula from the given question

Q=r/2 (s+t)

Q=Sr+tr/2

Cross multiply

2Q=Sr+tr

2Q-sr=tr

t=2Q-sr/r

7 0
3 years ago
The product of two rational numbers:
Daniel [21]

Answer:

"The product of two rational numbers is rational."

So, multiplying two rationals is the same as multiplying two such fractions, which will result in another fraction of this same form since integers are closed under multiplication. Thus, multiplying two rational numbers produces another rational number.

Step-by-step explanation:

5 0
3 years ago
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