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3 years ago

13

Each day enough paper is recycled in the United States to fill 15 miles of train box cars. How many miles of boxcars could be fi

lled in five weeks? Complete the equation to help you solve the problem. 15×5x___=B

1 answer:

Snezhnost [94]3 years ago

7 0

I Believe that the answer is 1 but i'm not 100% sure

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Jane move from my house with 78 ft.² of closet space to an apartment with 49.14 ft.² of closet space what is the percentage decr

natulia [17]

Answer:

37%

Step-by-step explanation:

First to find the percent of decrease you have subtract the largest number by the smaller number. So 78 ft² - 49.14 ft². This would get you to 28.86 ft². Then you would divide the original number, (in this case 78) by the difference (28.86). Once you divide you get .37, you will have to multiply by 100 to get the percent. So the percent of decrease is 37%.

4 0

4 years ago

The smaller cube measures 10 cm on each edge. What is the surface area?

Scorpion4ik [409]

Answer:

10 cm cubed or 10^3cm

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

5. What are the forms in which carbon is found in the oceans?

masha68 [24]

Answer: There are two main types of inorganic carbon that are found in the oceans.<u> Dissolved inorganic carbon</u> (DIC) is made up of bicarbonate (HCO3−), carbonate (CO32−) and <u>carbon dioxide</u> (including both dissolved CO2 and carbonic acid H2CO3).

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3 years ago

the ball is 150g heavy and it is dropped from 300m, what is the velocity of the ball just before it touches the ground

boyakko [2]

Answer:

77.5 m/s

Step-by-step explanation:

Once the ball is dropped from the height, it converts all its potential energy into kinetic energy:

$P. E = K.E\\mgh = \frac{1}{2}mv^2$

Using this equation, and the data we have to find the velocity of the ball:

$mass = 150 \ g \\gravity = 10 \ m/s^2\\height = 300 m$

$P.E = mgh\\150 \times 10 \times 300 = \frac{1}{2} \times 150 \times v^2\\\\150 \times 10 \times 300 = 75 \times v^2\\\\v^ 2 = \frac{150 \times 10 \times 300 }{75}\\\\v^2 = 6000\\\\v = \sqrt {6000}\\\\v = 77. 5 \ ms^{-1}$

5 0

4 years ago

Adam had 91dollars. If he spent 21 dollars on new books, what is the ratio of the money he still has to money he's spent.

tankabanditka [31]

Answer:

3/13

Step-by-step explanation:

ratio is another way to say fraction, so we have 21/91. This can be reduced if we divide by 7: 21/7 = 3, 91/7 = 13. Now we have 3/13. You can write it as 3:13 or 3/13.

4 0

4 years ago