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Vilka [71]
3 years ago
14

Noah spent 24 hours working on his car.He spent 4/5 on his time working on his transmission.How much time did Noah spead working

on the transmission?
Mathematics
1 answer:
Dimas [21]3 years ago
4 0

<u>Answer-</u>

<em>Noah spent </em><em>19 hours 12 minutes</em><em> working on the transmission.</em>

<u>Solution-</u>

Noah spent 24 hours working on his car.

He spent \dfrac{4}{5} on his time working on his transmission and rest on other .

So the total time spent by Noah working on the transmission is,

=24\times \dfrac{4}{5}\\\\=\dfrac{96}{5}\\\\=19\dfrac{1}{5}\ \text{hours}\\\\=19\ \text{hours}\ 12\ \text{minutes}

Therefore, Noah spent 19 hours 12 minutes working on the transmission.

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Match the information on the left with the appropriate equation on the right.
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Answer:

See attachment below

Step-by-step explanation:

For the first option, we are given m = - 2 / 3, b = 3. This is likely in the point - slope form y = mx + b, where m = slope and b = y - intercept. Thus, the equation of the line in point - slope form given this information, should be y = - 2 / 3x + 3. It seems as if none of the following equations match this form, so let us interchange the equation a bit,

y = - 2 / 3x + 3,

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_______________________________________________________

Next we are given m = - 3 / 2, and that this line passes through the point ( 4, - 1 ). Substitute m as - 3 / 2, x as 4, y as - 1, knowing point ( 4, - 1 ), into the form y = mx + b - solving for b.

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b = 5,

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y = - 3 / 2x + 5,

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_______________________________________________________

( 6, 3 ) and ( 3, 1 ) is given to lie on this line. The slope of the line should be as follows,

Slope = 3 - 1 / 6 - 3 = 2 / 3

Now let us determine the y - intercept ( b ) by substitute one of the points, say ( 6, 3 ). In this case x = 6, and y = 3,

3 = ( 2 / 3 )( 6 ) + b,

b = - 1,

y = 2 / 3x - 1 = Option D

Take a look at the attachment below for further help;

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3 years ago
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Step-by-step explanation:

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7 0
3 years ago
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Perform the indicated operation<br> (1 – 3i)(5 + 5i)(4 – 1i) =
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Answer:

The scale factor is k = 1/30

a)

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