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3 years ago

The weather forecast says there’s 70% probability of rain tomorrow. What are the odds against rain

Mathematics

1 answer:

krok68 [10]3 years ago

5 0

Answer:

30%

Step-by-step explanation:

Key skills needed: Probability

1) There is a 70% chance of rain.

2) We need to find the chances against rain.

3) To do this, we need to use the fact that

70% + x = 100% (Since all the probabilities add up to 1 or 100%)

4) If you subtract 70% from both sides, x = 30%

5) This means the probability against rain is 30%.

Hope you understood and have a nice day!! :D

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Which expression represents the greatest common factor (GCF) of 70 and 112? A. 2 x 2 x 2 x 7 B. 2 x 2 x 2 x 5 C. 2 x 7 D. 2 x 2

Mekhanik [1.2K]

Answer:

$\huge\boxed{C. \ \ GCF = 2 * 7}$

Step-by-step explanation:

Firstly, we'll do prime factorization of these numbers.

70 = 2 × 5 × 7

112 = 2 × 2 × 2 × 2 × 7

So, The Greatest Common Factor can be written as:

GCF = 2 × 7 [Since Only one 2 and one 7 is common]

Hope this helped!

<h2>~AnonymousHelper1807</h2>

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3 years ago

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Answer: 15=10+5

Step-by-step explanation:

Subtract 55 from both sides.

15-5=a

Simplify 15-5 to 10.

10=a

Switch sides.

a=10

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