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lesantik [10]
3 years ago
12

What are the constant proportionality y=0.2x

Mathematics
2 answers:
Dmitrij [34]3 years ago
7 0
0.2
y=<u><em>0.2</em></u>x 
I am pretty sure this is it
Softa [21]3 years ago
6 0
The equation<span> can be written in the form </span><span>y=kx</span><span> therefore </span>y<span> varies directly with </span>x<span> and </span><span>k,</span><span> the </span>constant<span> of variation, is </span><span><span>0.2.</span></span>
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Answer:

You could have a square with side of 50 ft.

Step-by-step explanation:

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A quality control expert found 12 defective cell phones in a shipment of 75 cell phones, based on these results how many cell ph
mart [117]

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8 0
2 years ago
2×+3 for x=3 I got 2 so I was seeing if I got it right
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Read 2 more answers
The diameter of cold virus cell is about 3x10-9 meter,and the diameter of a streptoccus bacterium cell is about 9x10-7 meter. Wh
Archy [21]

Here we need to compare the orders of magnitude of two measures.

We will see that the bacteria is<em> 300 times larger than the virus.</em>

We know that:

The diameter of the virus-cell is:

D_v = 3 \cdot 10^{-9} m

The diameter of the bacteria cell is:

D_b = 9 \cdot 10^{-7} m

So, to compare them, first notice that both are in the same units, meters, so we only need to <u>compare the numbers</u>.

Is common sense to identify the one with the largest exponent as the largest number, and the largest exponent is -7, thus <u>the bacteria should be the larger one.</u>

But let's prove this with math, remember the property:

\frac{a^n}{a^m} = a^{n - m}

Let's take the quotient between the diameters and see what we get, I will use the <u>diameter of the bacteria in the numerator</u>, thus <u>if the quotient is larger than 1, it would mean that the bacteria is greater and by how much.</u>

quotient = \frac{ 9 \cdot 10^{-7} m}{ 3 \cdot 10^{-9} m}  = \frac{9}{3} \cdot 10^{-7 + 9}\\\\= 3*10^2

So we can say that the bacteria is 3*10^2 = 3*100 = 300 times larger than the virus.

If you want to learn more, you can read:

brainly.com/question/4953281

8 0
2 years ago
How many whole weeks are in a year
SOVA2 [1]

Answer:

52 weeks are there in a year

Step-by-step explanation:

365/7

8 0
2 years ago
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