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leonid [27]
3 years ago
12

Which expression is a way to represent the ratio of a to b?obiaob to a​

Mathematics
1 answer:
mash [69]3 years ago
4 0

Answer:23

Step-by-step explanation:

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A sector with a central angle measure of 4pi/5
ELEN [110]

Answer: the area is 20 square centimeters.

Step-by-step explanation:

The area of an arc of angle x in a circle of radius r is:

A = (x/3.14)*3.14*r^2 = x*r^2

here we have x = (4/5)*3.14 and r = 5cm

Then the area is:

A = (4/5)*(5cm)^2 = 20cm^2

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3 years ago
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A sailboat travels a distance of 2 1/2 miles in 1/6 of an hour. Which complex fraction represents the unit rate in miles per hou
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1/6 of an hour= 10 because 60mins=1hour & 60/6=10 so the sailboat travels 2 1/2 miles in 10 mins. So the complex fraction would be 2 &1/2 over 10. Hope it helps!

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3 years ago
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What is the ratio of people who prefer pistachio to the people who prefer vanilla?
Brrunno [24]

Answer:

3/2

Step-by-step explanation:

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3 years ago
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What is the inverse of the given equation y=7x^2-3?
NARA [144]

Answer:

The inverse of this equation would be y = \sqrt{\frac{x - 3}{7} }

Step-by-step explanation:

To find the inverse of any equation, start by switching the y and x values. Then solve for the new y value. That equation will be your inverse.

y = 7x^2 - 3

x = 7y^2 - 3

x + 3 = 7y^2

\frac{x-3}{7} = y^2

\sqrt{\frac{x - 3}{7} } = y

5 0
3 years ago
Help, brainliest to whoever answers
jok3333 [9.3K]
Answer: 45
Plug in 150 for s in the equation and solve
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2 years ago
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