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solniwko [45]
3 years ago
11

11 = 7 – 5x Please help!

Mathematics
2 answers:
Bad White [126]3 years ago
7 0

Answer:

the answer is x=-4/5

Step-by-step explanation:

hoped I helped:)

IrinaVladis [17]3 years ago
4 0

Answer:

-4/5

Step-by-step explanation:

11=7+-5x

11=-5x+7

-5x+7=11

-5x+7-7=11-7

-5x=4

-5x/-5=4/-5

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ELEN [110]

Answer:

<h3>               d = 6</h3>

Step-by-step explanation:

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3 years ago
Mark can remember only the first 4 digits of his friend's phone number. He also knows that the number has 7 digits and that the
denis-greek [22]

Answer:

<em>19800 seconds, or 330 minutes, or 5 hours + 30 minutes</em>

Step-by-step explanation:

<u>Number Permutations</u>

We know the phone number has 7 digits, 4 of which are known by Mark. This leaves him 3 digits to guess with. We also know the last one is not zero. The number can be represented as

XXY

Where X can be any digit from 0 to 9 and Y can be any digit from 1 to 9. The first two can be combined in 10x10 ways, and the last one can be of 9 ways, this gives us 10x10x9 = 900 possible permutations.

If each possible number takes him 22 seconds, every possibility will need

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3 0
3 years ago
A person who weighs 100 pounds on earth weighs 16.6 lb on the moon. What is the independent variable? Explain why
Leviafan [203]
Independent variable (IV): something the scientist can change.

Thus, in this case, the IV can be the weight of the person.
5 0
3 years ago
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icang [17]
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6 0
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Read 2 more answers
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ser-zykov [4K]

Answer:

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Step-by-step explanation:

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$10 -- this varies dependent on the number of vaccinations your dog needs, so you'd use a variable to represent the number of vaccinations (in this case I'm using variable "x").

So, for example if your dog needed 7 vaccinations, it would be: 45+10(7) = y -- answer being $115.

6 0
3 years ago
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