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Oksanka [162]
3 years ago
12

What is the equivalent ratio for 19:7?

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
5 0

Answer:

Fraction form it is 2 5/7 decimal form it is ~ 2.7143

Step-by-step explanation:

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Answer: 7,5

Step-by-step explanation:

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2 years ago
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A wood stove burns 4 same-sized logs in 2 hours. How many logs does the stove burn in 8 hours?
Liono4ka [1.6K]
(4logs/2hours) = (x logs/8 hours)

(4/2) = x/8)

Cross multiplication gets you:

(4)(8) = (2)x
32 = 2x
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3 years ago
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A circle with an area 9pi has a sector with a central angle of 1/9pi what is the area of the sector
ludmilkaskok [199]

Answer:

½pi or 0.5pi units²

Step-by-step explanation:

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8 0
3 years ago
3/8<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B3%7D%7B8%7D%20%28x%20-%201%29%28x%20-%209%29" id="TexFormula1" title=" \fr
Verdich [7]
The first step for solving this expression is to distribute \frac{3}{8} through the first set of parenthesis.
( \frac{3}{8}x -  \frac{3}{8}) × (x - 9)
Now use the FOIL method to multiply each term in the first parenthesis by each term in the second parenthesis. This will look like the following:
\frac{3}{8}x × x - \frac{3}{8}x × 9 - \frac{3}{8}x - \frac{3}{8} × (-9)
Remember that multiplying two negatives together equals a positive,, so the expression changes to:
\frac{3}{8}x × x - \frac{3}{8}x × 9 - \frac{3}{8}x + \frac{3}{8} × 9
Calculate the product of all of the sets of multiplication to make the expression become:
\frac{3}{8}x² - \frac{27}{8}x - \frac{3}{8}x + \frac{27}{8}
Lastly,, calculate the difference of - \frac{27}{8}x - \frac{3}{8}x to find your final answer.
\frac{3}{8}x² - \frac{15}{4}x + \frac{27}{8}
Let me know if you have any further questions.
:)
8 0
3 years ago
Nancy's mother has a large collection of footwear.
DiKsa [7]
I think A, C, D are right because of the 12 pairs of heels, 6 are black (6/12) That means half of them could be chosen and be black (0.5). Another way to write 0.5 is as a percentage, 50%.
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3 years ago
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