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stellarik [79]
4 years ago
14

Which method would you use to solve the following system? Explain. 3×+2y=9 -2×+3y=5

Mathematics
1 answer:
IRISSAK [1]4 years ago
3 0
Elimination because you can multiple 3 and -2 by each other easily.
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a right triangle has side lengths 8 15 and 17 as shown below use these lengths to find tan B sin B and cosine B​
trapecia [35]

Answer:

sin(B) =  \frac{15}{17}

cos(B) = \frac{8}{17}

tan(B) = \frac{15}{8}

Step-by-step explanation:

I always find it easiest to model out the triangle: Angle B will be at the converging point of a and c.

Using SOH CAH TOA, we know that the Sin of an angle will be its opposite over hypotenuse. The opposite is 15, and the hypotenuse is 17.

So  \frac{15}{17} is the sin of B.

We also know that the cosine of B will be it's adjacent over hypotenuse. The adjacent is 8 and the hypotenuse is 17, so

\frac{8}{17}

Lastly, we know the tangent of B will be it's opposite over adjacent. The opposite of B is 15, and it's adjacent is 8, so

\frac{15}{8} is the tangent of B.

Hope this helped!

6 0
3 years ago
A family of five people has $200 to spend on fishing rods and fishing licenses. They spend a total of $20 on licenses. Assuming
dusya [7]

Answer:

36

Step-by-step explanation:

200-20=180

180/5=36

8 0
3 years ago
Read 2 more answers
6w+3+9-2n use w=3 and n=2
Readme [11.4K]

Answer:

26

Step-by-step explanation:

from what I got lol , your welcome and have a nice day

3 0
3 years ago
Please help I have 5 mins left :(
Nimfa-mama [501]

Answer:

2/10

Step-by-step explanation:

If you are trying to find out the probability of a number just know that the whole number is always going to be the denominator. In this problem, the denominator is <em>10</em> because that is the whole number of pieces of paper.

Then we look at the second part of the problem where it is asking us to figure out the probability of pulling out a number that is less than 3 which would only leave us  with <em>1-2 </em>

This means that the probabilaty of pulling out a number less than 3 is <u><em>2/10</em></u>

6 0
3 years ago
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Cual valor de 3 en 530 es 30 veces mayor que el valor de 3 en 300
yKpoI14uk [10]
The 3 in 530 is 1/10 of the value than in 300
3 en 530 es 1/10 valor 300 
lo siento <span>mi español es malo</span>
7 0
4 years ago
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