Can anyone help me with this
1 answer:
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Answer:
62% and 161.29%
Step-by-step explanation:
Given that the percentage of adult height attained by girls who are x years old can be modeled by
, where
x represents the girl's age (from 5 to 15) and
f(x) represents the percentage of her adult height
A) When age =5, we have x=5
So height when age is 5 is 62 %
B) The approximate of her adult height is
No, it will not be able to make a right triangle.
<em><u>Solution:</u></em>
Given that,
Joel wants to fence off a triangular portion of his yard for his chickens.
The length of three peices of fencing are 8 feet , 15 feet and 20 feet
For making it a right triangle it must satisfy the "Pythagorus theorem"
Pythagorean theorem, states that the square of the length of the hypotenuse is equal to the sum of squares of the lengths of other two sides of the right-angled triangle.
For a right angled triangle with sides a, b, c
Given sides are:
a = 8 feet
b = 15 feet
c = 20 feet
Substituting the values in above formula
Since the pythogoras formula is not satisfied, the given sides cannot form a right angled triangle
Thus , No, it will not be able to make a right triangle.
Answer:
BC = 30.73
Here,
so first solve for QD
- Hence, QD = 9
Now! <u>using Pythagoras theorem,</u>
- CD² + BD² = BC²
- 19.2² + (9+15)² = BC²
- BC = √368.64+576
- BC = 30.73499634
- BC = 30.73 ( rounded to nearest hundredth )