3 years ago

What is the value of F(x)=3x-12forx=9?

1 answer:

7 0

Answer:

Step-by-step explanation:

3(9)=27

27-12=15

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BartSMP [9]

$5 \frac{3}{4} -1 \frac{7}{8} = \frac{23}{4} - \frac{15}{8} = \frac{46}{8} - \frac{15}{8} = \frac{46-15}{8} = \frac{31}{8} = \boxed {3 \frac{7}{8} }$

4 0

3 years ago

matrenka [14]

Answer:

I'm not very sure, however I think you have to replace the sign - for a +.

Step-by-step explanation:

7 + 4√13

3 0

3 years ago

aniked [119]

Find $AB$ using Pythagorean Theorem,

$AB=\sqrt{12^2+9^2}=15$ .

$A=\tan^{-1}(12/9)=53.1^{\circ}$ .

$B=\tan^{-1}(9/12)=36.9^{\circ}$ .

Hope this helps.

7 0

3 years ago

Alenkinab [10]

Answer:

12.5lb

Step-by-step explanation:

5lbs+6lb=11lb

11oz+12oz=1.5lbs

11lb+1.5lb=12.5

7 0

3 years ago

trasher [3.6K]

I think it would be 2.67

8 0

3 years ago