Answer:
√366
Step-by-step explanation:
a^2 + b^2 = c^2
5 + 361 = 366
√366
Answer:
5 (-9x)
Step-by-step explanation:
Product of 5
5 * ()
difference of 9
5 * (-9)
and a number
5 * (-9x)
<span>Answer: Option (C) More than one
Explanation:
All triangles must satisfy the following condition:
"The sum of all the angles of a triangle should be 180°."
25° + 25° + 130° = 180° (The condition of a triangle is satisfied.)
HOWEVER, keeping angles the same as above, we can construct "More than one" triangles by varying the lengths of a triangle.
For example:
By keep the three angles of a triangle 25°, 25° and 130°, the triangle with the three sides of lengths 10, 10, 18.13 (respectively) is same as the triangle with the three sides of lengths 1, 1, 1.81 (respectively). Likewise, you can construct infinite number of triangles. Therefore, the correct option is "(C) More than one."</span>
Answer:
532
Step-by-step explanation:
The score that represents the top 20% = A score = 80%
Z score for 80% percentile = 0.842
We solve using the z score formula
z = (x-μ)/σ, where
x is the raw score = ??
μ is the population mean = 490
and σ is the population standard deviation = 50
Hence:
0.842 = x - 490/50
Cross Multiply
0.842 × 50 = x - 490
x = 0.842 × 50 + 490
x = 42.1 + 490
x = 532.1
Approximately = 532
Therefore, the test score = 532
