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Ganezh [65]
3 years ago
15

Pls help need the answers quick ?!?!?!

Mathematics
2 answers:
tiny-mole [99]3 years ago
6 0

Answer:

A is the answer

Step-by-step explanation:

OleMash [197]3 years ago
4 0

Answer:

A

Step-by-step explanation:

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165. How many moles of sodium will react with water to
Fiesta28 [93]

Answer:

Explanation:

Hello,

In this case, based on the given rewritten reaction:

The stoichiometry leads to the following theoretical moles of oxygen:

As sodium and hydrogen as a 2 to 1 molar relationship.

Step-by-step explanation:

4 0
3 years ago
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To show a repeating decimal, a bar is placed over the repeating pattern. <br> True or False
solniwko [45]

Answer:

True

Step-by-step explanation:

Example: 1.666666...

In that case, place the bar on top of the last 6

4 0
3 years ago
Which expression shows the distance you would drive from the gym to the office along this road?
-Dominant- [34]
B because absolute value means the distance of a point on a number line from 0. So the absolute value of -6 is 6 and you add that to 4
3 0
3 years ago
30 years ago zoe was 2/3 as old as luke, 18 years ago zoe was 5/6 as old as luke how old are they now
barxatty [35]

Based on the mathematical statements, Zoe is 56 years old and Luke is 66 years old, now

<h3>How to determine how old they are now?</h3>

From the question, we have the following statements that can be used in our computation:

<u>30 years ago</u>

Zoe was 2/3 as old as Luke

<u>18 years ago</u>

Zoe was 5/6 as old as Luke

Let their present ages be represented as

Zoe = x

Luke = y

So, we have the following representations

<u>30 years ago</u>

Zoe was 2/3 as old as Luke

x - 36 = 2/3(y - 36)

<u>18 years ago</u>

Zoe was 5/6 as old as Luke

x - 18 = 5/6(y - 18)

So, we have the following system of equations

x - 36 = 2/3(y - 36)

x - 18 = 5/6(y - 18)

Make x the subject in x - 18 = 5/6(y - 18)

x = 5/6(y - 18) + 16

Substitute x = 5/6(y - 18) + 16 in x - 36 = 2/3(y - 36)

5/6(y - 18) + 16 - 36 = 2/3(y - 36)

Open the brackets

5/6y - 15 + 16 - 36 = 2/3y - 24

Evaluate the like terms

5/6y - 35 = 2/3y - 24

Multiply through by 6

5y - 210 = 4y - 144

Evaluate the like terms

y = 66

Substitute y = 66 in x = 5/6(y - 18) + 16

x = 5/6(66 - 18) + 16

Evaluate

x = 56

Recall that

Zoe = x

Luke = y

So, we have

Zoe = x = 56

Luke = y = 66

Hence, they are 56 and 66 years, now

Read more about equations at

brainly.com/question/2476251

#SPJ1

5 0
9 months ago
Carmen ran 2 laps around the track in 6 minutes. What are the unit rates in laps per minute and minutes per lap?
Ipatiy [6.2K]
1/3 of a lap per 1 minute, 3 minutes per lap 
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3 years ago
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