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NARA [144]
3 years ago
14

Can someone simplify this equation and solve for x and y? (2x-5)+(y-1)+x=169

Mathematics
2 answers:
Dafna11 [192]3 years ago
8 0

Answer: The y-intercept is found by substituting known values for x and y in the equation and solving for b. the known values are (x,y) = (2,8.4) Equation of y = 4.2*x + b becomes 8.4 = 4.2*2 + b

Step-by-step explanation:

goldenfox [79]3 years ago
6 0

Answer:

Answer

2x+3y=14,2x−3y=2

Adding :

2x+3y=14

2x−3y=2

__________

4x=16

x=4

∴xy=4×2

=8

2×4+3y=14

8+3y=14

3y=6

y=2

Step-by-step explanation:

here you go

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Start solving #2 with the substitution method
Brums [2.3K]

Answer:

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Step-by-step explanation:

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3 - 24 - 3 = -27

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7 0
3 years ago
Solve: 12 dogs decreased by 25% step by step pls.
Annette [7]
Decreased by 25%
find 25% of 12 and decrease 12 by it

percent means parts out of 100
25%=25/100=1/4
'of' means multiply
25% of 12=1/4 times 12=3

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8 0
3 years ago
Read 2 more answers
If x Is a real number such that x3 = 64, the x2 + x equals what?
Annette [7]

Answer:

20

Step-by-step explanation:

Assuming that the equation is x³ = 64, that can be solved by putting cube root on both sides like so: ∛(x³) = ∛64, which simplifies to <em>x = 4</em>.

Plugging that into our expression gives us <em>4² + 4</em>, which is 20.

7 0
3 years ago
A circle cuts the x-axis at (4,0) and (14,0), and cuts the y-axis at (0,6) and (0,8). Find it's equation
gayaneshka [121]
It is not a circle but you can find the equation of the ellipse.
To do this we need to work out the major and minor radii and the centre
The centre is at (9, 7)
The major (y) radius is 1 and the minor (x) radius is 5
Therefore the equation is (x-9)/5 + (y-7)/1 = 1
5 0
3 years ago
Uhh I need help what is equivalent to 1 to 4 ????​
Nataly_w [17]

Answer:

2/8

Step-by-step explanation:

8 0
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