3 years ago

Jamal runs for a track team. He ran miles in of an hour. What was Jamal’s rate of speed? miles per hour

Mathematics

1 answer:

Vanyuwa [196]3 years ago

5 0

Answer:

6 miles per hour

Step-by-step explanation:

divide 60 by 10 you get 6

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sleet_krkn [62]

The product of two numbers and the product of their greatest common factor and least common multiple are always equal.

Let the other number = X.

Greatest common factor is 6

Least common multiple is 36

We now have 6 * 36 = 12 * x

Simplify:

216 = 12x

Divide both sides by 12:

x = 216 / 12

x = 18

The other number is 18.

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4 years ago

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Solve x2−5x=8 by completing the square. Round your answers to the nearest hundredth.

Bogdan [553]

Answer:

$x = \dfrac{5}{2} \pm {\dfrac{\sqrt{57}}{2}$

Step-by-step explanation:

$x^2 - 5x = 8$

$x^2 - 5x + \dfrac{25}{4} = 8 + \dfrac{25}{4}$

$(x - \dfrac{5}{2})^2 = \dfrac{57}{4}$

$x - \dfrac{5}{2} = \pm \sqrt{\frac{57}{4}}$

$x = \dfrac{5}{2} \pm {\dfrac{\sqrt{57}}{2}$

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3 years ago

What is the y-intercept of the line?

cestrela7 [59]

Answer

-41

Step-by-step explanation:

When X =0 Y=-41

First column you are adding 9

-27+9=-18

-18+9=-9

-9+9=0

Second column you are adding 19

-98+19=-79.

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-60+19/-41

So when X=0 Y=-41

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True or False? Shapes that have no right angles also have no perpendicular segments.

frosja888 [35]

I think this is True. Because Perpendiculer Lines Rely On Right Angles. :)

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Lerok [7]

I is equivalent to -1 so (-6(-1)) - (6(-1))
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3 years ago