Enter the fraction as a decimal

Mathematics

2 answers:

Nataly_w [17]3 years ago

7 0

0.28 ( u just need to divide them)

astraxan [27]3 years ago

6 0

Answer:

Begin by converting each number into a fraction. 0.21 would be $\frac{21}{100}$ and 0.75 would be $\frac{3}{4}$ . Next, divide the numbers by their corresponding numerators and denominators within each fraction. $\frac{\frac{21}{100} }{\frac{3}{4} }$ . Divide 21 by 3 to get 7. Divide 100 by 4 to get 25. Your answer should be $\frac{7}{25}$ . Convert it into decimal to get 0.28.

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Suppose you want to fence in some land along the edge of a straight river. the fenced area will be in the shape of a rectangle,

m_a_m_a [10]

For the largest area, half the fence is used parallel to the river, and the other half is used for the two ends of the rectangular space.

The dimensions are 475 m by 237.5 m.

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Let x represent the length along the river. Then the area (A) is found as
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This equation describes a parabola with its vertex (maximum) halfway between the zeros of x=0 and x=950. That is, the maximum area is achieved when half the fence is used parallel to the river.