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Nimfa-mama [501]
3 years ago
5

Use the substitution method to solve the following system of equations:

Mathematics
2 answers:
Morgarella [4.7K]3 years ago
8 0
3x + 5y = 3
x + 2y = 0

3x + 5y = 3
-3x -6y = 0

-y = 3
y = -3

x + 2y = 0
x + -6 = 0
x = 6


The answer is B (6,-3).
jeka943 years ago
3 0
The answer is B (6,-3).
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PLS HELP ME WITH THIS!!!
olya-2409 [2.1K]

option C is the correct answer. sin β = 15 / 17

<h3>How to work it</h3>

<u>Given data</u>

Right angled triangle has sides

opposite = 15

adjacent = 8

Hypotenuse = 17

sin β = opposite / hypotenuse

substituting the values gives

sin β = 15 / 17

Read more on SOH CAH TOA here: brainly.com/question/20020671

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4 0
2 years ago
Rt-2n=y solve for t<br> show step-by-step solution
vfiekz [6]
The answer is t = (y + 2n)/r

The expression is: rt - 2n = y
Rearrange it so that only rt is on the left side of the equation: rt = y + 2n
Rewrite the left side of the equation: r * t = y + 2n
Divide both sides of the equation by r: r * t / r = (y + 2n)/r
r can be cancelled out on the left side of the equation: t = (y + 2n)/r

8 0
3 years ago
A basketball player claims to make 47% of her shots from the field. We want to simulate the player taking sets of 10 shots, assu
Molodets [167]

Answer:

0.9 or 90%

Step-by-step explanation:

The probability of shot is 47%

The probability of no shot is 100 -47 = 53%

The dot plot is made from the 10 repeated shots which recorded 25 scores.

The number of dots on the fifth tick is 9 of 10 shots

therefore; 9/10 = 0.9, which 90 in percentage.    

8 0
3 years ago
Solve the differential equation dy/dx=2*y/x,x&gt;0 simplify?
Andrew [12]
Separate your variables:

\dfrac{\mathrm dy}{\mathrm dx}=\dfrac{2y}x\implies \dfrac{\mathrm dy}y=2\dfrac{\mathrm dx}x

Integrating both sides gives

\displaystyle\int\frac{\mathrm dy}y=2\int\frac{\mathrm dx}x\implies \ln|y|=2\ln|x|+C\implies y=e^{2\ln|x|+C}=Cx^2
4 0
4 years ago
PLS HELP DUE TODAY 11:59
nikitadnepr [17]

The lengths of one house is not proportional to the lengths of the other house because the structure of the houses are not the same.

<h3>How to depict the information?</h3>

The scale factors can be used to show that the homes are or are not proportional. This can show that the first house doesn't have chimney and rtw second one has.

The role of the surface area take in the building of a house is that it tells us about the sum of its total area covered by the four walls.

The advantage that exist for a house with a large amount of surface area is that it gives more stability.

Learn more about area on:

brainly.com/question/25292087

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