Answer:
3 porque un dólar es solo uno, por lo que el dólar podría dividirse en 3
Hi!
All of the students that are ONLY taking math is 90.
That is 90/160 kids taking only math.
90/160 simplified = 9/16
The answer is 9/16
Hope this helps! :)
Answer:
17x+4=123(alternate angle)
17x=123-4
17x=119
x=7
YES
Base=b
Height= h
Area 1=A1=1/2*b*h
Base=b
Height= 4h
Area of triangle 2=A2=1/2*b*4h
A2/A1= (1/2*b*4h)/(1/2*b*h)
= (1/2*b*4h)/(1/2*b*h)
=4/1
Ratio of heights =h2/h1= 4/1
Ratio of areas =A2/A1= 4/1
They are proportional.
Step-by-step explanation:
(7/9a+9/7b)^2 -ab
simplifying (7/9a+9/7b)^2
expanding the bracket
factorizing b out
49/81a^2 +98/63ab +b(b-a)
the l.c.m= (81a^2) (63ab)
multiplying through by the L.C.M
63ab×49 +98×81a^2 +b(b-a) ×81a^2 ×63ab
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