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Fynjy0 [20]
2 years ago
6

Type the expression that results from the following series of steps:

Mathematics
1 answer:
Nuetrik [128]2 years ago
8 0

Answer:

<em>start with g </em>

g

<em>subtract 7</em>

g-7

<em>multiply by 3</em>

3(g-7)

<u>Therefore the expression is </u>

3g-21

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A 100 rupee note was changed to 10 and 5 rupee notes, 15 notes in all. How many of each notes?​
san4es73 [151]

Answer:

Total number of notes is 11.

Step-by-step explanation:

Value is 100 rupees…

5x + 20y = 100 and x + y = 11 are the two equations.

We can simplify…

5x + 20 y - 5x - 5y = 100 - 55 = 45

15y = 45 so y = 3

x = 11 - y = 8

So, we have 8 notes of 5 rupees denomination and 3 notes of 20 rupees denomination.

I hope it helps you.

4 0
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1. Which equation can you use to find the value of x?
Alika [10]

Answer:

It's a proportion.

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Step-by-step explanation:

6 0
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HELP!!!
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I hope this helps you





-15+6= -9



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