Answer: 3 : 1
Step-by-step explanation:
We know that the ratio of A to B is given by :-
or A : B .
Given : Number of students having brown hair = 15
Number of students having black hair = 5
Then , the ratio of students with brown hair to students with black hair will be :-
Hence, the ratio of students with brown hair to students with black hair = 3 : 1.
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<span>If there is a hypotenuse, the triangle is a right triangle. From the Pythagorean Theorem:
c^2 = a^2 + b^2 [the square of the hypotenuse is the sum of the squares of the other two sides]
c^2 = 11^2 + 11^2 = 121 + 121 = 242
c = sqrt(242) = 15.56 cm (rounded)</span>
Answer:
B
Step-by-step explanation:
V=40L
.005*40=.2
40-.2 * 7 = 38.6 L after 1 week
