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-Dominant- [34]
3 years ago
15

A system of equations is shown below: 3x − y = 2 x + y = 6 The x-coordinate of the solution to this system of equations is _____

. Numerical Answers Expected!
Mathematics
1 answer:
gogolik [260]3 years ago
8 0

3x-y=6
2x+y=6

Add the two together and you get
5x + 0y=12
∴x=2.4
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Given circle X with radius 17 units and chord AB with length 30 units, what is the length of segment XC, which bisects the chord
Jet001 [13]
In this problem, there are two congruent right triangles: triangle XCA and triangle XBC, where the hypotenuse are XA and XB respectively. Considering triangle XBC, XB = radius = 17, and BC = 30 / 2 = 15. By pythagorean theorem, XC = sqrt(17^2 - 15^2) = sqrt(289 - 225) = sqrt(64) = 8 units.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

6 0
4 years ago
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Distribute then combine like terms : 0.2(3b-15c)<br>​
nignag [31]

Answer:

0.6b - 3c

Step-by-step explanation:

Multiply 0.2 and 3b

0.2 x 3b = 0.6b

Then multiply 0.2 and 15c

0.2 x 15c = 3c

We can't add these, 3c and 6b because they have different letters.

different letter vs. different letter =

don't add

different letter vs. normal number like 5 =

dont add

same letter vs. same letter =

add

normal number vs. normal number =

add

This all goes the same for dividing, subtracting, and multiplying

I hope this helped! :)

5 0
3 years ago
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Use the substitution method to solve the system of equations. Choose the
elixir [45]

Answer:

c

Step-by-step explanation:

just plug each coordinates

5=x

18=y

if its tru for both then thats the answer

5 0
3 years ago
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You install 638 feet of fencing along the perimeter of a rectangular yard. The width of the yard is 152 feet. What is the length
vovikov84 [41]

The length is 486

Step-by-step explanation:

638 subtract 152

6 0
3 years ago
How to remember the equation for finding volume of cone?
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Volume of the Cone = (π*r^2*h)/3

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4 0
4 years ago
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