3 years ago

The lines shown below are parallel. If the green line has a slope of -1/2 what is

Mathematics

1 answer:

Arisa [49]3 years ago

5 0

Answer:

By definition, two parallel lines must have the same slope. Therefore, the slope of the red line is the same as that of the green line.

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Find the greatest common factor of 12m^2 and 9b^4

mylen [45]

Answer:

The greatest common factor of 12m^2 and 9b^4 is 3.

I hope this could help, let me know if you need anymore help.

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3 years ago

The average grain of salt is 0.0003 meters wide. Rhinovirus, which causes the common cold, is 0.00000003 meters wide. How many t

algol [13]

Answer:

$1\times 10^4\ times$

Step-by-step explanation:

Given:

Width of average grain of salt is, $w=0.0003\ m$

Width of Rhinovirus is, $W=0.00000003\ m$

Now, expressing each width in scientific notation form, we get:

$w=0.0003\ m = 3\times 10^{-4}\ m\\\\W=0.00000003\ m = 3\times 10^{-8}\ m$

Now, in order to get how many times 'W' is wider than 'w', we divide the two widths. This gives,

$\frac{W}{w}=\frac{3\times 10^{-4}\ m}{3\times 10^{-8}\ m}\\\\\frac{W}{w}=1\times 10^{-4-(-8)}=1\times 10^{-4+8}=1\times 10^4\\\\\therefore W=1\times 10^4\times w$

Therefore, the grain of salt is $1\times 10^4\ times$ wider than Rhinovirus.

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3 years ago

8 over 15? is it closer to 0, 1 over 2 or 1

ruslelena [56]

8/15 is about 0.53
It would be closer to 1/2 or 1 over 2

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3 years ago

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If there is an 80% chance of rain and a 10% chance of wind and rain, what is the probability that it is windy, given that it is

dalvyx [7]

13% (apex) is the correct answer

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4 years ago

Select the expression that is equivalent to (picture)

seraphim [82]

The answer to this question is x^(rt + s) since (x^r)^t becomes x^(rt) by the exponent power of a power property. Then multiplying powers of the same base results in the exponents being summed.

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3 years ago