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mezya [45]
4 years ago
9

PLease help me LOTS of points

Mathematics
1 answer:
notsponge [240]4 years ago
4 0

Answer:

15) a) 8

b) y + 2

c) y - 1

16) True

17) 2n - 1, where n is an integer

18) a) 3p + 4q

b) 500 - 3p - 4q

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30 points!!!!!
schepotkina [342]
Rational Numbers :
3 _/ 25 
_/ 256
-11/151

Irrational Numbers: 
1.1625
_/ 141

Hope this helped, comment below for any clarification // Brainliest please ;) //
8 0
4 years ago
Read 2 more answers
Write an equation of the line that passes through the given points.<br><br> (-2,7) and (1,-2)
Effectus [21]
General\ equation\ for\ line\ in\ slope\ intercept\ form:\\\\y=ax+b\\\\To\ find\ a\ and\ b\ substitude\ points\ (-2,7),\ (1,-2)\ into\ equation\\\\  \left \{ {{7=-2a+b} \atop {-2=a+b\ \ |:-1}} \right. &#10;\\\\ \left \{ {{7=-2a+b} \atop {2=-a-b}} \right. \\+-----\\\\9=-3a\ \ \ |:-3\\a=-3\\\\-2=-3+b\\-2+3=b\\b=1\\\\y=-3x+1
7 0
4 years ago
Find the length of x
zavuch27 [327]

Answer:

7/2 =x

Step-by-step explanation:

The triangles are similar so we can write a ratio to solve

2         4

---- = -------

x        7

Using cross products

2*7 = 4x

14 = 4x

14/4 = 4x/4

7/2 =x

3 0
3 years ago
Read 2 more answers
What point is a solution to both equations: y = x - 8 and y = -3x + 16 ?
Arlecino [84]

Answer:

(6,-2)

Step-by-step explanation:

graph and see the point where they cross and that is the solution

4 0
3 years ago
Read 2 more answers
Please can somebody find the gradient and the coordinates of the y-intercept for the graph:
-Dominant- [34]
The equation is already is slope intercept form where you can easily point out the gradient, or the slope, and the y intercept.
y=mx+b where m is the gradient, and b is the y intercept. 
Since there is no m, the gradient is 1.
The y intercept had x=0 and y=b
b in this case is 6 
the y intercept= (0,6)
8 0
4 years ago
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