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8090 [49]
2 years ago
8

Find the measure of arc DB.

Mathematics
1 answer:
mafiozo [28]2 years ago
4 0

ñ!

.30261 {23680x}^{?}

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The solution to the given system of linear equations lies in which quadrant?
nexus9112 [7]

Answer:

The solution to the given systems of linear equation is {3, -1} lies in IV Quadrant.

Step-by-step explanation:

Given:

x-3y = 6  ........( 1 )

x+y=2    ........( 2 )

To find :

x = ?

y = ?

Solution:

Let solve the  above equation to get the solutions.

Eliminate X by subtracting the two equations equation 1 minus equation 2

(x-3y) - (x+y) = 6 - 2\\-4y = 4\\\therefore y=-1

Now substitute for y = -1 in equation 2 we get

x+(-1)=2\\\therefore x = 2+1\\\therefore x = 3

Therefore, solution set is {3, -1}

In

I Quadrant {x,y} = {+,+}......both the coordinates are positive.

II Quadrant {x,y} = {-,+}.....X coordinate is negative and Y coordinate is positive.

III Quadrant {x,y} = {-,-}......both the coordinates are negative.

IV Quadrant {x,y} = {+,-}.....X coordinate is positive and Y coordinate is negative. {3,-1}

Point A on the graph is the solution.

8 0
3 years ago
<br />
Georgia [21]
A) 16, 17, 18, 19
B) 66, 77, 88, 99
C) 61, 71, 81, 91
D) 60, 70, 80, 90
4 0
2 years ago
Using the formula below, calculate the z-score for the listed data points. z-score: zx = x − μ σ z1 = z5 = z6.5 =
wel

Answer:

z1 = -1.95

z5 = 0.05

z6.5 = 0.8

Step-by-step explanation: Good luck! :D

5 0
2 years ago
Read 2 more answers
Please do it for me! I need both of this questions ans....
Troyanec [42]

Answer:

Whoa, that's a lot to answer...

15. 30000=500x

16. y=58x+5

in 16, the total cost is y, so y has to be in 1 side for itself. and we need to add the amount of tickets and the fee (5$). So we get that equation.

8 0
3 years ago
Olivia bought a beach towel for $9.95
horsena [70]

Answer:

$23.41

Step-by-step explanation:

Add the cost of each item together.

$9.95 + $13.46 = $23.41

And there may have been sales tax as well but this information was not provided so it is not needed in the answer.

8 0
3 years ago
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