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Lubov Fominskaja [6]
3 years ago
12

Solve for a: 60a - 80a ≥ -64 -92

Mathematics
1 answer:
Delvig [45]3 years ago
5 0

Answer:

a≤39/5

Step-by-step explanation:

60a - 80a ≥ -64 -92

-20a≥-156

a≤156/20

a≤39/5

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Given: 3x+52=13<br> Prove: x = 7<br> write a two column proof
vivado [14]

The answer x = 7 is false here is why.

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This further simplifies to solution,

x=-\dfrac{39}{3}\Longrightarrow\boxed{x=-13}

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8 0
2 years ago
A number is chosen at random from 1 to 25. Find the probability of selecting an even number or multiple of 13
sdas [7]

Probability helps us to know the chances of an event occurring. The probability of selecting an even number or multiple of 13 is 13/25.

<h3>What is Probability?</h3>

Probability helps us to know the chances of an event occurring.

\rm Probability=\dfrac{Desired\ Outcomes}{Total\ Number\ of\ outcomes\ possible}

Number of even numbers between 1 to 25 = 22

Number of multiple of 13 between 1 to 25 = 1

The probability of selecting an even number or multiple of 13 is,

Probability = (12+1)/25 = 13/25


Hence, The probability of selecting an even number or multiple of 13 is 13/25.

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brainly.com/question/795909

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7 0
2 years ago
You discover that you are over serving a dish because customers keep taking a third of it home. If the dish requires 4 ingredien
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Answer:

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Step-by-step explanation:

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To reduce 1/3 of the 12 parts, you need to multiply 12 by 1/3 to know how many parts is that:

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You need to subtract 4 parts. If you have 4 ingredients, you can remove 1 part of each, so each ingredient now will have 2 parts.

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3 years ago
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