3 years ago

What is the simplest form of 27/90

Mathematics

2 answers:

Veronika [31]3 years ago

4 0

Answer:

3/10

Step-by-step explanation:

Tom [10]3 years ago

4 0

3/10 is the answer it is on google

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GREYUIT [131]

Answer:

320π cm^3

Step-by-step explanation:

V=1/3 π r² h

V=1/3 × π x 8² x 15

V=1/3 × π x 64 x 15

V=320π cm³

6 0

2 years ago

What is 9 kilometers per hour converted into feet per minute? about 45.7 feet per minute about 492 feet per minute about 29,520

zalisa [80]

About 492 feet per minute

9 • 54.68066 = 492.126

Rounding to the nearest whole number gets you 492

7 0

3 years ago

Read 2 more answers

1. Simplify the fraction: 14/63

iris [78.8K]

Answer:

2/9 is the simplified fraction (14/63 = 2/9)

6 0

3 years ago

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the line below contains X,Y,and Z, in that order. The ratio of the length of XY to the length of YZ is 5:9. If it can be determi

maw [93]

Answer:

$\dfrac{XY}{XZ} =\dfrac{5}{14}$

Step-by-step explanation:

We are give the following in the question:

$\dfrac{XY}{YZ} = \dfrac{5}{9}$

We have to find the ration of the length of XY to the length XZ.

This, can be done as:

$\dfrac{XY}{XZ} = \dfrac{XY}{XY+YZ}\\\\\Rightarrow \dfrac{XZ}{XY} = \dfrac{XY+YZ}{XY} = 1 + \dfrac{YZ}{XY}\\\\\Rightarrow \dfrac{XZ}{XY} = 1+\dfrac{9}{5} = \dfrac{14}{5}\\\\\Rightarrow \dfrac{XY}{XZ} =\dfrac{5}{14}$

Thus, the ration XY:XZ is 5:14

8 0

4 years ago

Given that cos(30°) = cos(45°)cos(15°) + sin(45°)sin(15°), it follows that cos(30°) =

mario62 [17]

Answer:

$cos(30\°) = cos(45\°-15\°)$

Step-by-step explanation:

To solve this problem you must know the formula of subtraction of angles for the function cosx.

The formula is:

$cos(h-d) = cos(h)cos(d) + sin(h)sin(d)$

We can write 30° as: 45° - 15°

Then:

$cos(30\°) = cos(45\°-15\°)$

Using the formula for subtraction of angles we have:

$cos(45\°-15\°) = cos(45\°)cos(15\°) + sin(45\°)sin(15\°)$

Notice that we have achieved the expression shown in the statement

Finally:

$cos(30\°) = cos(45\°-15\°)$

8 0

3 years ago

Read 2 more answers