G(-j)=-j-3 find g( - j). Simplify your answer.

Mathematics

1 answer:

postnew [5]3 years ago

3 0

Answer:

-4

Step-by-step explanation

g x negative Jay if you don't have a number in front of the G or J than the numbers going to be one so then you will multiply 1 by -1 which will equal negative one and then negative one minus three what to equal -4

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What is the cosine of angle F A. 4/5 B. 3/4 C. 5/4 D. 3/5

saveliy_v [14]

Answer: option D

Step-by-step explanation:

Remember the cosine identity:

$cos\alpha=\frac{adjacent}{hypotenuse}$

Given the right triangle DFE shown in the image, you can identify that the adjacent side and the hypotenuse for the angle F of this triangle are:

$adjacent=15\\hypotenuse=25$

Now you can substitute values into $cos\alpha=\frac{adjacent}{hypotenuse}$ and then reduce the fraction.

THerefore you get: $cos(F)=\frac{15}{25}\\\\cos(F)=\frac{3}{5}$

6 0

3 years ago

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Suppose that the weight (in pounds) of an airplane is a linear function of the total amount of fuel (in gallons) in its tahk. Wh

kvasek [131]

Answer:

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Explanation:

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This equation can be founded using the following

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