3 years ago

Property of 5x+1=1+5x

Mathematics

1 answer:

Mariulka [41]3 years ago

4 0

Answer:

Commutative property

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Suppose "35" cars start at a car race. In how many ways can the top 3 cars finish the race?

Thepotemich [5.8K]

Answer:

The value is $\left 35 } \atop }} \right. P_3 = 39270$

Step-by-step explanation:

From the question we are told that

The total number of cars is $n = 35$

The number cars considered is $r = 3$

Generally the number of different top three finishes possible for this race of 35 cars is mathematically represented as

$\left n } \atop }} \right. P_r = \frac{n!}{(n - r) !}$

$\left 35 } \atop }} \right. P_3 = \frac{35! }{(35 - 3) !}$

$\left 35 } \atop }} \right. P_3 = \frac{35 * 34 * 33 * 32! }{32 !}$

$\left 35 } \atop }} \right. P_3 = 39270$

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3 years ago

Find the quotient 6/-3/9

Savatey [412]

<h3>I'll teach you how to solve 6 divided by -3/9</h3>

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6 divided by -3/9

Apply the fraction rule:

- 6/ 3/9

Apply the fraction rule:

-6*9/3

Multiply the numbers:

- 54/3

Divide the numbers:

-18

Your Answer Is -18

plz mark me as brainliest :)

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3 years ago

by selling an item at $20.70, a trader makes a profit of 15%. at what price should he sell the item so as to make a profit of 35

Alisiya [41]

Answer:

24.3 i think

Step-by-step explanation:

x * 1.15=20.7

20.7/1.15=18

18 * 1.35=24.3

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2 years ago

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Given: 2x + 3y = 1470 Convert to slope intercept form to find the slope and y-intercept.

kirza4 [7]

Answer:

Slope = 2/3 and y-intercept = 490

Step-by-step explanation:

2x + 3y = 1470

3y = -2x + 1470

y = 2/3 x + 490 <----------Slope intercept form

Slope = 2/3 and y-intercept = 490

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3 years ago

4 Pre-Algebra questions PLEASE HELP ME?

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3 years ago

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