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3 years ago

20.294117 what is this figure to 2 decimal places

1 answer:

7 0

We need to take care of the third decimal placer for rounding issues, however the third decimal place is 4, so it does not round, hence, we have:
20.294117 = <span>20.29</span>

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Mason has a collection of 49¢ stamps, 20¢ stamps, and 34 stamps worth $23.55. He has 56 total 49¢ and 20+ stamps and the number

tatuchka [14]

Answer:

Mason has

16 20¢ stamps;
25 3¢ stamps;
40 49¢ stamps.

Step-by-step explanation:

Let x be the number of 20¢ stamps, then the number of 3¢ stamps is x + 9.

Mason has 56 total 49¢ and 20¢ stamps, then the number of 49¢ stamps is 56 - x.

Amounts:

in 49¢: $49(56-x)$ cents;
in 20¢: $20x$ cents;
in 3¢: $3(x+9)$ cents.

Total amount:

$49(56-x)+20x+3(x+9);$
$23.55.

Hence,

$49(56-x)+20x+3(x+9)=2,355\\ \\2,744-49x+20x+3x+27=2,355\\ \\-49x+3x+20x=2,355-2,744-27\\ \\-26x=-416\\ \\26x=416\\ \\x=16$

Mason has

16 20¢ stamps;
25 3¢ stamps;
40 49¢ stamps.

5 0

3 years ago

2 + 4 * 0 =? ?????> ? ???

ozzi

Step-by-step explanation:

first you multiply 4x0

then you add 2

order of operations

8 0

2 years ago

A number with the same value as 32

Olenka [21]

32*10=320 Hope you like and rate

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3 years ago

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What is the distance between the points (5, 1) and (-3, -5)?

Anvisha [2.4K]

Answer: 10

Step-by-step explanation: d = √(x^²-x^₁)^2+(y^²-y^₁)^2 d = √ (-3-5)^2+ (-5-1)^2 d = √(-8)^2 + (-6)^2 d = √64+36 d = √100 d = 10

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2 years ago

. The concert tickets were $57 plus two souvenirs for your friend and yourself. You spent $94

Lena [83]

Maybe $47 for each souvenir

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2 years ago

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