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2 years ago

Please help, and explain step by step, thanks!

Mathematics

1 answer:

allsm [11]2 years ago

5 0

Answer:

Answer: B San Francisco

Step-by-step explanation:

It can be read that Geneva is 12°C colder than Nikki's hometown. It can be seen in the table that Geneva is at -3°C.

This means that Nikki's hometown is 12°C hotter than Geneva, thus:

Temperature of Nikki's hometown = -3°C + 12°C = 9°C.

The only city with a temperature of 9°C is San Francisco.

Answer: B San Francisco

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IgorLugansk [536]

For this case we have that by definition, the point-slope equation of a line is given by:

$y = mx + b$

Where:

m: It's the slope

b: It is the cut-off point with the y axis

We have two points:

$(x_ {1}, y_ {1}): (- 5,7)\\(x_ {2}, y_ {2}): (- 4,0)$

We found the slope:

$m = \frac {y_ {2} -y_ {1}} {x_ {2} -x_ {1}} = \frac {0-7} {- 4 - (- 5)} = \frac {-7} {-4 + 5} = \frac {-7} {1} = - 7$

Thus, the equation is of the form:

$y = -7x + b$

We substitute one of the points and find "b":

$0 = -7 (-4) + b\\0 = 28 + b\\b = -28$

Finally, the equation is:

$y = -7x-28$

Answer:

$y = -7x-28$

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3 years ago

14.

FromTheMoon [43]

Answer:

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Step-by-step explanation:

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Time to cover the gap is:

50/2 = 25 seconds

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25*8 = 200 yards

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2 years ago

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Temka [501]

9514 1404 393

Answer:

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Step-by-step explanation:

Put the numbers in place of the corresponding variables and do the arithmetic.

$\dfrac{-\left|1\dfrac{7}{8}+(-1)\right|}{2-(-4)}=\dfrac{-\dfrac{7}{8}}{6}=-\dfrac{7}{8\cdot6}=\boxed{-\dfrac{7}{48}}$

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2 years ago

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Answer:

switch your 5 and 6

Step-by-step explanation:

I think the equation would be

53x5=265

also not to be that person, but its *times

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3 years ago

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Answer:

All real numbers are solutions.

Step-by-step explanation:

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