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Radda [10]
2 years ago
11

What is 9 and 19/18 simplified

Mathematics
2 answers:
Molodets [167]2 years ago
8 0
The answer is 1.0555555556
Anastasy [175]2 years ago
6 0

10 1/18...........................................

...................................................

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Element X decays radioactively with a half life of 11 minutes. If there are 870 grams
exis [7]

Answer:

27.5 minutes

Step-by-step explanation:

Using,

R/R' = 2ᵃ/ᵇ------------------ Equation 1

From the equation,

R = mass of Element X before radioactive decay, R' = mass of element X after radioactive decay, a = Time taken, b = half life.

Given: R = 870 grams, R' = 154 grams, b = 11 minutes.

Substitute these values into equation 1

870/154 = 2ᵃ/¹¹

(870/154)¹¹ = 2ᵃ

Solve for a

2ᵃ = (5.649)¹¹

2ᵃ = 187061.26

Taking the logarithm of both side,

Log2ᵃ = Log(187061.26)

⇒ a = log(187061.26)/log2

a = 8.272/0.301

a = 27.5 minutes

5 0
2 years ago
The total bill for a dinner party was 134.03. Marcus pays 20.45 of the bill. The other people at the party divide the remaining
SCORPION-xisa [38]

Answer:

9 people

Step-by-step explanation:

Start by writing an equation.

The total bill is 134.03. The bill is totally paid by Marcus and the other guests. This will go on the other side of the equation.

Since we don't know how many guests there were, we can use variable x to represent the value that we're trying to find.

So here is our equation.

134.04 = 20.45 + 12.62x

Now, just solve for x, or isolate x.

Subtract 20.45 from both sides.

134.04 - 20.45 = 12.62x

Divide both sides by 12.62.

113.59/12.62 = x

Simplify.

x = 9

Since x is 9, we know that there were 9 other people at the dinner party.

7 0
3 years ago
HELPPPP PLEASEEE!!!!!
timurjin [86]

Answer: the answer is the second one.

Hope this helps

Step-by-step explanation:

4 0
3 years ago
A radius of 4.1 yards. What is the area?<br> Use 3.14 for.<br> yards
Pani-rosa [81]

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52.7834

Step-by-step explanation:

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2 years ago
Unit 5 Test
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Answer:

is 23,13 usjebiddje

Step-by-step explanation:

jsjsjebjeh3he

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3 years ago
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