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weqwewe [10]
3 years ago
5

Amanda used 24 grams of paint to paint a wooden cube. When it dried, she cut the cube into 8 equal cubes. How many more grams of

paint does Amanda need to paint the unpainted surfaces of the 8 cubes?
Mathematics
1 answer:
kari74 [83]3 years ago
7 0

Answer:

<h2>Amanda needs 72 grams of paint</h2>

Step-by-step explanation:

Notice that she already painted one face of each cube, that is, 8 faces in total, and she used 24 grams for that.

Now, there remain 3 faces per cube to be painted, which means there are 24 faces.

Then, we use the rule of three, if she used 24 grams of paint for 8 faces, how much grams of paint she would need to paint 24 faces?

24 \times \frac{24}{8}= 72 \ grams

Therefore, Amanda needs 72 grams of paint for the unpainted surfaces.

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rodikova [14]

Answer:

20

Step-by-step explanation:

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6 0
2 years ago
Can someone help me with these please.
ELEN [110]

Answer: Barbara did not include a variable in the term 1.49, which must represents the number of bottles of iced tea she needs to sell.

Step-by-step explanation:

Let be "x" the number of bottle of water Barbara needs to sell and "y"  the number of bottle of iced tea she needs to sell.

She sells iced tea for $1.49 per bottle and water for $1.25 per bottle, so she can write the following equation in order to calculate the number of bottles she needs to sell to earn $100:

1.25x + 1.49y = 100

Since Barbara wrote this equation:

1.25x + 1.49 = 100

We can conclude that the error Barbara made in writing the equation was: She did not include a variable in the term 1.49, which must represents the number of bottles of iced tea she needs to sell.

8 0
3 years ago
on February 18th from 9 a.m. until 2 p.m. the temperature goes from -14 degrees Fahrenheit to 36 degrees Fahrenheit what is the
galina1969 [7]
To find the total increase, we will subtract -14 from 36.
36--14=50
(A double negative is a positive.)
50 is your final answer.
3 0
3 years ago
Let f(x)=(x+2)^2
user100 [1]
The graph if g(x) is vertically stretched by a factor of 3
Hope this helped :)
7 0
3 years ago
The table below shows the distance d(t) in meters that an object travels in t seconds:
ArbitrLikvidat [17]
(2,60)(4,240)......t = x and d(t) = y
average rate of change (slope) is (y2 - y1) / (x2 - x1)
slope = (240 - 60) / (4 - 2) = 180/2 = 90 m/s

It represents the average distance traveled by the object between 2 seconds and 4 seconds


5 0
3 years ago
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