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gavmur [86]
3 years ago
15

A meteorologist said that is was sunny for 70% of the

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
7 0
There was 18 days that wasn’t sunny
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Give the property that justifies each step.
frosja888 [35]

Answer:

Please check the explanation below.

Step-by-step explanation:

Some of the properties are defined as:

  • <em>Distributive property</em>

a(b+c) = ab+ac

For example,

suppose a=3, b=4, c=5

3(4+5) = 3(4) + 3(5)

3(9) = 12+15

27 = 27

  • <em>Subtraction property of Equality</em>

if (a=b), then a-c = b-c

For example,

suppose a=2, b=2, c=5

if a = b ⇒ 2 = 2

then a-c = b-c ⇒ 2-5 = 2- 5 ⇒ -3 = -3

  • <em>Addition property of Equality</em>

if (a=b), then a+c = b+c

For example,

suppose a=2, b=2, c=5

if a = b ⇒ 2 = 2

then a+c = b+c ⇒ 2+3 = 2+3  ⇒ 5 = 5

  • <em>Multiplicative property of Equality</em>

if (a=b), then a×c = b×c

For example,

suppose a=2, b=2, c=5

if a = b ⇒ 2 = 2

then a×c = b×c ⇒ 2×5 = 2 × 5  ⇒ 10 = 10

  • <em>Division property of Equality</em>

if (a=b), then a÷c = b÷c

For example,

suppose a=2, b=2, c=5

if a = b ⇒ 2 = 2

then a÷c = b÷c ⇒ 2÷5 = 2 ÷ 3  ⇒ 2/5 = 2/5

Let us solve the given equation using the above properties.

7n-16=47                     Given

7n-16+16=47+16   1) Addtion property of Equality ∵ if (a=b), then a+c = b+c

7n=63                  2) simplify

n = 9                    3) Division property of Equality ∵ if (a=b), then a÷c = b÷c        

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PLS HELP IM EXHAUSTED WILL GIVE DA CROWN
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Answer:


Step-by-step explanation:


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Find the percent decrease if a player's batting average dropped from 0.308 to 0.283 in one season. Round your answer to one deci
Rus_ich [418]

Answer:

platform

Step-by-step explanation:

analysis by other states has shown the same name

5 0
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Expression convert 50 mph to mile per min what value would I need?
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60 mins I think because 1 hour equals 60 mins
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√(30) × √(20) <br><br> 52–√<br><br> 106–√<br><br> 2150−−−√<br><br> 600−−−√
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Answer:

√(20× 30)= √600=10√6

Step-by-step explanation:

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