Answer:
Freshman = 90, 62, 152
Sophmore = 184, 16, 200
Total = 274, 78, 352
Step-by-step explanation:
274 - 184 = 90
90 + 62 = 152
352 - 152 = 200
200 - 184 = 16
16 + 62 = 78
Answer:
x = 1,092
Step-by-step explanation:
Duck eggs : chicken heads =
2 : 7
Number of duck eggs = 312
Number of chicken eggs = x
Duck eggs : chicken heads = 312 : x
Equate both ratios
2 : 7 = 312 : x
2/7 = 312/x
Cross product
2 * x = 7 * 312
2x = 2,184
x = 2,184 / 2
= 1,092
x = 1,092
Answer:
Step-by-step explanation:
In a right angled triangle, if a perpendicular is drawn from a vertex of the right angle then triangles on both sides of the perpendicular are similar.
In ΔPDY, ∠D = 90° and DM ⊥ PY
So, ΔPMD ≈ ΔDMY
If two triangles are similar then their corresponding sides are proportional.
Put
So,
According to Pythagoras theorem, square of hypotenuse is equal to sum of squares of the other two sides.
In ΔDMY,
Put
A ? I think is the right answer
Answer:
a
Step-by-step explanation:
something are very complex