Mathematics: The ratio of petunias to geraniums in the green house was 15 to 2. The combined number of of petunias and geraniums was 1020. How many geraniums were in the green house

The ratio of petunias to geraniums in the green house

Ответ:

sonyav732

18.02.2021

Mathematics

136

Step-by-step explanation:

divide 1020 by 15 = 68. 68 x 2 is 136

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Ответ:

hdwoody2002

20.06.2021

Mathematics

Since the central angle of the sector of the circle is in degrees, we need to convert it to radians, so we are going to use the formula for the area of a circular sector: $A= \pi r^2( \frac{ \alpha }{360} )$
where

is the area

is the radius
$\alpha$ is the central angle

We know form our problem that the radius of the sector is 5 in, so r=5in

. We also know that the sector's angle is 30°, so $\alpha =30$ . Lest replace those value sin our formula:
$A= \pi (5in)^2( \frac{ 30}{360} )$
A=6.5in^2

We can conclude that the expression we should use to calculate the area of the sector in the circle is: $A= \pi r^2( \frac{ \alpha }{360} )$

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The ratio of petunias to geraniums in the green house was 15 to 2. The combined number of of petunias and geraniums was 1020. How many geraniums were in the green house

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