A square field has an area of 479 ft to the second power what is the approximate length of a side of the field

Mathematics

1 answer:

kaheart [24]3 years ago

7 0

S^2 = 479 ft^2
s = √479 ft
s ≈ 21.886 ft . . . . approximate length of the side

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HELLLP

N76 [4]

Remember that tif the legs of a right tirsnalge are a and b and they hypoonuse is c then
a²+b²=c²

so

we also know that the area of a triangle is 1/2bh

we are given that area=60 and base=8
so
60=1/2 times 8 times height
60=4 times height
divide both sides by 4
15=height

so the legs are 15 and 8

a=15
b=8

15²+8²=c²
225+64=c²
289=c²
sqrt both sides
17=c

the hypoonuse is 17ft

6 0

3 years ago

The denominator of a certain fraction was 147 greater than its numerator. what was the denominator of this fraction, if after th

Dafna1 [17]

After reducing the fraction it becomes equal to 5/12. Let the common element which was cancelled out be x. So we can say the original fraction was $\frac{5x}{12x}$ .

The denominator of the fraction is 147 greater than the numerator. We can write it as:

12x = 147 + 5x

12x - 5x = 147

7x = 147

x = 21

So, the numerator of the fraction was 5 x 21 = 105
Denominator of the fraction was 12 x 21 = 252

So our original fraction was $\frac{105}{252}$