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3 years ago

If it is 4 o’ clock now, what time will it be in 9 hours

Mathematics

2 answers:

serious [3.7K]3 years ago

5 0

Answer:

it will be 1 o' clock

Step-by-step explanation:

4+8=12 then add the last hour to the 12, if its militay time it would be 13 o' clock but if normal time, it would be 1 o' clock.

vredina [299]3 years ago

4 0

Answer:

1 o'clock

Step-by-step explanation:

time now 4 o clock

time in 9 hours = 4 + 9 = 13

however there are only 12 hours in a day, hence you have to subtract 12 from the answer.

13 - 12 = 1 o'clock

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Find an equation of the line passing through the point (-4,6) that is perpendicular to the line y=7/2x+5. Work please.

kondaur [170]

Answer:

y = $-\frac{2}{7}$ x + 4 $\frac{6}{7}$

Step-by-step explanation:

We are to find the equation of line 1 which passes through point (-4,6)

Line 1 is perpendicular to line 2.

The equation of line 2 is; y = $\frac{7}{2}$ x + 5

The slope of line 2 is $\frac{7}{2}$

Because the product of two perpendicular line is -1;

The slope of line 1 is -1 ÷ $\frac{7}{2}$ = $\frac{-2}{7}$

Taking another point (x,y) on line 1;

Slope = change in y ÷ change in x

$\frac{-2}{7}$ = $\frac{y - 6}{x - -4}$

y - 6 = $\frac{-2}{7}$ (x + 4)

y - 6 = $\frac{-2}{7}$ x - $\frac{8}{7}$

y = $\frac{-2}{7}$ - $\frac{8}{7}$ + 6

y = $-\frac{2}{7}$ x + 4 $\frac{6}{7}$

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Wich graph best represents a function with range -4 < y < 3

anygoal [31]

Answer:

Witch craft or Which graph?!!

Step-by-step explanation:

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3 years ago

Order each group of numbers from least to greatest: 4, pi, square root of 8

Ilia_Sergeevich [38]

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3 years ago

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nirvana33 [79]

Use the Pythagorean theorem for this. (a^2+b^2=c^2)

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