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3 years ago

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PLEASE HELP FOR POSITIVE COMMENTS ON YOUR PROFILE AND 44 POINTS! A classroom investigation list bleach as an ingredient. Bleach

can irritate your skin, damage your eyes, and stain your clothes. What safety symbols be listed with this investigation? Explain

1 answer:

Lera25 [3.4K]3 years ago

7 0

I don’t really know what your asking for. and i don’t know if this will help

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In an old story, a man puts 2 grains of rice on the first space of a chess board. He puts 4 grains on the second space, 8 grains

denis23 [38]

We know that
a1----------> <span>grains of rice in the first square
a1=2
n------------> space ubication
the expressions is
an=a1</span>^n----------> an=2<span>^n

for the </span><span>the tenth space n=10
</span>an=2^10---------> an=1024 grains of rice

the answer is
1024 grains of rice

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3 years ago

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It took Amber 5 hours 16 minutes to finish a race. Her time at the halfway marker was 2 hours 49 minutes. How long did it take A

KIM [24]

3hr 33 min I guess not really sure

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3 years ago

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What is the answer to 78.2÷7<br>

Lesechka [4]

Answer:

11.1714

Step-by-step explanation:

Just use a calculator! :)

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3 years ago

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ii. A machine is sold for 7,000/-. The gross loss is 20% of the cost. What are the cost and gross loss?

aleksley [76]

Given:

Selling price of a machine = 7000/-

Gross loss = 20%.

To find:

The cost and gross loss.

Solution:

Let x be the cost of machine.

According to the question,

$x-20\%\text{ of }x=7000$

$x-\dfrac{20}{100}x=7000$

$x-0.2x=7000$

$0.8x=7000$

Divide both sides by 0.8.

$x=\dfrac{7000}{0.8}$

$x=8750$

So, the cost of the machine is 8750/-.

Now,

$\text{Gross Loss}=\text{Cost}-\text{Selling price}$

$\text{Gross Loss}=8750-7000$

$\text{Gross Loss}=1750$

Therefore, the gross loss is 1750/-.

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3 years ago

How is the Pythagorean theorem related to the distance<br> formula?

Eddi Din [679]

Answer:

The distance formula is a formalization of the Pythagorean Theorem using (x,y) . They are the same thing (but the distance formula is for working out the distance between two points and Pythagoras theorem is for working out the missing length in a right-angled triangle) in two different contexts.

Step-by-step explanation:

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