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Furkat [3]
3 years ago
13

I need help working question 8. I don't understand how to start it

Mathematics
1 answer:
Lina20 [59]3 years ago
8 0
Why don't you first try to use the cosine law to solve for an angle and then make use of the sin law to solve for the remaining angles.

Cosine law

C^2 = A^2 + B^2 - 2AB(cos C)
Solve for cos C, and then take the inverse of the trig ratio to solve for the angle.

Then set up a proportion like you have done using the sin law and solve for another angle. Knowing the sum of all angles in a triangle add up to 180 degrees, we can easily solve for the remaining angle.
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Train revived a raise of $80 per week. If he was making $500 per week before the raise, what is the percent change in his earnin
kotegsom [21]

Answer:

Train got a raise of 16%

Step-by-step explanation:

To find this, start by taking the equation for percent change

(New - Old)/Old * 100 = % Change

Now plug in known values

(580 - 500)/(500) * 100 = % change

80/500 * 100 = % change

.16 * 100 = % change

16 = % change

3 0
3 years ago
What is the product of the rational expression?? CORRECT ANSWER'S ONLY
padilas [110]
The answer is B.

Breaking down the operation:

NUmerators: x × x = x² and +3 × -3 = -9

Denumerators: x × x = x² and +2 × -2 = -4

Answer:

\frac{x+3}{x+2} × \frac{x-3}{x-2}

Hope it helped,

Happy homework/ study/ exam!

7 0
3 years ago
The product of two positive numbers is greater than the sum of the two numbers.
maw [93]
Sometimes because you can add 0+2 and get 1 or you can add 2+3 and get 5 so it is sometime
3 0
3 years ago
You purchased merchandise from a suppler and failed to pay the invoice amount $310 by the last day of the credit period, August
kozerog [31]
After 64 days, you will owe
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You must pay $319.78 on October 15.
3 0
3 years ago
What is the volume of the figure below?
Grace [21]

Answer:

420 cm

Step-by-step explanation:

6 0
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