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White raven [17]
3 years ago
8

Writing Is 8.55555555... a rational or irrational number? Use pencil and paper. Describe how you would

Mathematics
2 answers:
vaieri [72.5K]3 years ago
8 0

Answer: it is rational :)

aalyn [17]3 years ago
8 0
A rational number is a number that has a defined stop. A irrational is a number that keeps going forever after a decimal point
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Suppose that 15 inches of wire costs 45 cents. At the same rate, how many inches of wire can be bought for 24 cents? Please help
Tanya [424]
15\ inches\ cost\ 45\ cents\\
x\ inches\ cost\ 24\ cents\\\\
proportion:\\
15-45\\
x-24\\\\
cross\ multiplication\\\\
15*24=45x\\\\
360=45x\ \ \ | divide\ by\ 45\\\\
x=8\\\\
8\ inches\ of \ wire\ cost\ 24\ cents.
6 0
3 years ago
Plzz help me im going to most more like this because im not understanding it
lisov135 [29]
Hi there!

In order to solve, you can use substitution. This means that you use one equation and solve for one variable, then use that one equation and plug it into the other equation. Here's how we'd do it:

WORK:
x = 12 - y (since x is already solved for, we'll use that to plug into the other given equation.
2(12 - y) + 3y = 29 (using substitution)
24 - 2y + 3y = 29
24 + y = 29
y = 5
Plug the value of y back into the first equation
x = 12 - 5
x = 7

ANSWER:
A - x = 7, y = 5

It seems as though you're having some trouble with these questions, PLEASE MESSAGE ME!! I'd be more than happy to help you work through as many problems as you need until you get the hang of it (plus, it doesn't cost you any points!)

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
5 0
3 years ago
What is the area of the shape
Vera_Pavlovna [14]
To find the  area of a rhombus, the formula is d1(d2)/2
d1 is 4+4 or 8
d2 is 7+10 or 17
17(8)=136
136/2=68
8 0
3 years ago
The binomial (x + 5) is a factor of x2 + 8x + 15. What is<br> the other factor?
puteri [66]

Answer:

x+3

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Please help me with this question
Alex17521 [72]

Answer:

The answer is C.

Step-by-step explanation:

5*6=30

5 0
3 years ago
Read 2 more answers
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