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Dafna1 [17]
3 years ago
11

What is 3m < -12 if someone can please answer me

Mathematics
2 answers:
skelet666 [1.2K]3 years ago
8 0

Answer: -4

Step-by-step explanation:

3m < -12

3m/3 < -12/3

m = -4

liberstina [14]3 years ago
3 0

Answer:

Step-by-step explanation:

3m < - 12

m < - 12/3

m < - 4

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Triangle CGF and triangle CED are similar. Hence, the ratio of their corresponding sides are equal. Thus we can write:

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<em>We can now cross multiply and solve for CD:</em>

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<em>By using quadratic formula \frac{-b+-\sqrt{b^2-4ac} }{2a} and with a=3, b= -5.2, and c= -1.6, we find the value of x to be:</em>

\frac{5.2+-\sqrt{(-5.2)^2-4(3)(-1.6)} }{2(3)}=2


<em>Since the expression for CD is \frac{15x^2+16x+3.2}{2x+3} , we plug in x=2 into this expression to find value of CD:</em>

\frac{15(2)^2+16(2)+3.2}{2(2)+3}=13.6

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