3 years ago

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Mathematics

1 answer:

11Alexandr11 [23.1K]3 years ago

7 0

Answer:

15 ways

Step-by-step explanation:

$\frac{6!}{4!(6-4)!}=\frac{6!}{4!2!}=15$

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Two coins are tossed at the same time. what is the probability they both land on tails?

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(2 1/4) x (-8) distributive property

Paladinen [302]

I hope this helps you

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3 years ago

1..) 2x +15 = 35

Masja [62]

Answer:

1) $x=10$

2) $x=3$

Step-by-step explanation:

$2x+15=35$

Subtract 15 from both sides

$2x=20$

Divide both sides by 2

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$2(10)+15=35$

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$35=35$

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$7x-3=18$

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$7x=21$

Divide both sides by 7

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$18=18$

this shows that 3 is the right answer

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3 years ago