MATHEMATICS COLLEGE

Would you use the Law of Sines or the law of cosines to solve a triangle if. given all three sides of the triangle?a. the Law of Sines
b. the Law of Cosines

Answers

Answer 1

Answer:

Answer:

b. $\displaystyle Law\:of\:Cosines$

Step-by-step explanation:

You would use this law under two conditions:

One angle and two edges defined, while trying to solve for the third edge
ALL three edges defined

Hence, you have your answer.

* Just make sure to use the inversefunction towards the end, or elce you will throw your answer off!

_______________________________________________

Now, you would use the Law of Sines under three conditions:

Two angles and one edge defined, while trying to solve for the second edge
One angle and two edges defined, while trying to solve for the secondangle
ALL three angles defined [of which does not occur very often, but it all refers back to the first bullet]

* I HIGHLY suggest you keep note of all of this significant information. You will need it going into the future.

I am delighted to assist you at any time.

Answer 2

Answer:

Answer:

Conditions for SINE RULE:

If two angles and any side is given.
If two sides and an angle opposite one of the side is given.

Conditions for COSINE RULE:

If two sides and an inclined angle is given.
If all the three sides are give.

Step-by-step explanation:

Side is the number in m/cm.

Angle is the number with degree/in degree. Like this: ° ° °

With all these, it means you should COSINE rule.

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-9=2x-5
Please help me now.....

Answers

-9= 2x-5

Add 5 to both sides

-4= 2x

Divide by 2

-2=x or x=-2

Which expression has a negative value?−3×3×−3×−3×−3

−3×−3×3

−3×3×−3×−3

−3×−3

Answers

Step-by-step explanation:

A - 3×3×-3×-3×-3 = 243

B - 3×-3×3 = 27

C - 3×3×-3×-3 = -81

D - 3×-3 = 9

The correct option is C

Answer: answer is c

Step-by-step explanation:

A genetic test is used to determine if people have a predisposition for thrombosis, which is the formation of a blood clot inside a blood vessel that obstructs the flow of blood through the circulatory system. It is believed that 3% of people actually have this predisposition. The genetic test is 98% accurate if a person actually has the predisposition, meaning that the probability of a positive test result when a person actually has the predisposition is 0.98. The test is 97% accurate if a person does not have the predisposition. What is the probability that a randomly selected person who tests positive for the predisposition by the test actually has the predisposition? (Round your answer to four decimal places.)

Answers

Idk mane but uh I just don’t know

3.A train can travel 360 miles in 4 hours. How much time will it take
travelling 585 miles?

Answers

Answer:

6.5 hours

Step-by-step explanation:

We can write a ratio to solve

360 miles 585 miles

---------------- = ------------

4 hours x hours

Using cross products

360 * x = 4* 585

360 x = 2340

Divide each side by 360

x = 2340/360

x =6.5

Levi Jeans Company at the Silverthorne, Colorado Outlet store sells bootcut jeans for $40 and straight leg jeans for $60. If customer’s bought 5 times more bootcut than straight leg jeans and last month’s sales totaled $6,500, how many of each pair of jeans were sold?

Answers

okay so we know the ratio of jeans sold is 5/1 so lets put that into an equation.

6,500 = $40(5*x) + $60(1*x) so lets solve for x.

so lets merge 40(5x) + 60(x) = 260(x)
6,500 = 260(x)

Divide both sides by 260. 6,500/260 = (260(x))/260 = 25

so lets plug it in. 6,500 = 40(5*25) + 60(1*25) = 5,000 + 1,500 = 6,500.

So the answer is 25!

Write down the equations you know!

40x + 60y = 6500
x = 5y

x = bootcut jeans
y = straight leg jeans

Replace 'x' with it's equation, then solve for y.

40(5y) + 60y = 6500
200y + 60y = 6500
260y = 6500
y = 25

Now plug that back into one of the original equations:

x = 5y
x = 5(25)
x = 125

125 = bootcut jeans
25 = straight leg jeans

2/3 of the pizza was left over last night. Then, Marcy ate another 2/9 of it. How much is left over now?