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Romashka [77]
2 years ago
8

The sum of two numbers is 85. If four times the smaller number is subtracted from the larger number, the result is 5. Find the t

wo numbers.
The larger number is
The smaller number is
Mathematics
1 answer:
Cerrena [4.2K]2 years ago
5 0

Answer:

the larger number is 69

the smaller number is 16

Step-by-step explanation:

x is the smaller number

y is the larger number

x + y = 85

y - 4x = 5

y = 5 + 4x

x + 5 + 4x = 85

5x = 80

x = 16

y = 69

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Let a, n, b, r, and k be integers. If a = nb+r and k|a and k|b, then k|r
Kryger [21]

Answer:

Proof for k|r

Step-by-step explanation:

We are given that a, n, b, r and k are integers.

Also,

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Since k divides a and b, we can write,

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Now, we have to prove that k divides r as well that is k|r

Putting value of a and b in the equation, we get:

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The lifespan of a laptop battery is normally distributed. If the mean lifespan of a battery is 4 years with a standard deviation
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3 years ago
4(5x - 2) = 72<br> What do I do
Pepsi [2]

Answer:

x = 4

Step-by-step explanation:

4(5x - 2) = 72

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Then divide both sides by 20 to get x

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