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nevsk [136]
3 years ago
7

The weight of 1000 identical samples of a substance is 0.1 pounds. What is the weight of 100 smaples?

Mathematics
1 answer:
mrs_skeptik [129]3 years ago
4 0
0.010000000000000000000000000
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You earn $15 per lawn. 1 lawn would be $15. 15(1) is 15.
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7x−4≥−15+2x solve in interval notation
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Answer:

[-11/5,∞)

Step-by-step explanation:

1. Add 4 to both sides: 7x-4+4≥-15+2x+4

2. Simplify: 7x≥2x-11

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Find the sum.<br> 5<br> 2a<br> a? + 2a + 1<br> +<br> a2 + 4a + 3
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\frac{2a}{a^2+2a+1}+\frac{5}{a^2+4a+3}

Factor the denominators.

\frac{2a}{\left(a+1\right)^2}+\frac{5}{\left(a+1\right)\left(a+3\right)}

Adjust fractions based on LCM.

\frac{2a\left(a+3\right)}{\left(a+1\right)^2\left(a+3\right)}+\frac{5\left(a+1\right)}{\left(a+1\right)^2\left(a+3\right)}

Denominators are same, so add the fractions.

\frac{2a\left(a+3\right)+5\left(a+1\right)}{\left(a+1\right)^2\left(a+3\right)}

Expand the numerator.

\frac{2a^2+11a+5}{\left(a+1\right)^2\left(a+3\right)}

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Answer:

The required simplest form is: \frac{2}{5}

Step-by-step explanation:

We have been given Kyle has 125 marbles.

And 50 out of total 125 are red and rest of them are other colours

that means other colour marble are 125-50=75

we need to find ratio of the number of red marbles to the total of marbles  

The rat io is: \frac{50}{125}=\frac{2}{5}

The required simplest form is: \frac{2}{5}

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