3 years ago

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Mathematics

1 answer:

Vilka [71]3 years ago

3 0

Answer:

Step-by-step explanation:

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In how many ways can 13 students be seated in a row of 13 chairs if David, insists on sitting in the first chair?

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They can only sit one way because they are still in a row
Or did you mean like how many different ways can they sit?

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Which relationships have the same constant of proportionality between yyy and xxx as the equation 3y=27x3y=27x3, y, equals, 27,

Vera_Pavlovna [14]

Answer:

$y=9x$

$y=\frac{18x}{2}$

$y=\frac{81x}{9}$

Step-by-step explanation:

The given equation is

$3y=27x$

If we isolate $y$ , we can find the constant

$y=\frac{27x}{3}\\ y=9x$

So, the constant is $k=9$ .

Another proportions that have the same constant as the given equation are

$y=9x$

$y=\frac{18x}{2}$

$y=\frac{81x}{9}$

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Maia's calculator displays a number as 9.125 E10. What is this number in standard form?

melomori [17]

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The perimeter of a rectangle is 40 cm. The length is 14 cm. Let x = width of the rectangle. Ravi says he can find the width usin

Usimov [2.4K]

Answer:

Divide both sides by 2

Step-by-step explanation:

We have the equation

2(x + 14) = 40

We divide both sides by 2

2(x + 14) = 40/2

x + 14 = 20

x = 20 - 14

x = 6

Therefore, the most helpful first step for solving Ravi's equation is: Divide both sides by 2

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3 years ago

Help need plzzzzzzzzz​

Help need plzzzzzzzzz