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muminat
3 years ago
6

9. Simplify the expression: 8(5x-3y) *

Mathematics
1 answer:
olasank [31]3 years ago
7 0

Answer:

40x- 24y

Step-by-step explanation:

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-2x+3y=-12 2x+y=4 After adding the two equations to eliminate x you are left with 4y=-8 solve for y
natita [175]

-2x+3y=-12 2x+y=4

add together

4y = -8

divide by 4

y = -2


3 0
2 years ago
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HELP WITH THIS MATH PROBLEM 93. Points
nadya68 [22]

Answers:

4;  20;  3x² - 4x + 3; 52;  17

Step-by-step explanation:

f(-1):  replace x in f(x) = x² + 3 with -1:  f(-1)  =  (-1)² + 3 = 4

f(-4) + g(-1) = (-4)² + 3 + <em>2(-1) + 3</em>  =  16 + 3 <em>- 2 + 3</em> = 20   <em>(since g(x) = 2X + 3)</em>

<em />

3f(x) - 2g(x) = 3[x² +3] - 2[2x + 3} = 3x² + 9 - 4x - 6  =  3x² - 4x + 3

f(g(2)):  First, evaluate g(2).  It is g(2) = 2(2) + 3 = 7.  Next, use this output, 7, as the input to f(x):    f(g(x)) = (7)² + 3 = 49 + 3 = 52

g(f(2)):  First, evaluate f(x) at x = 2:  f(2) = (2)² + 3 = 7.  Next, use this 7 as the input to g(x):     g(f(2)) = g(7) = 2(7) + 3 = 17

8 0
3 years ago
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Please help. Part 2: What is the correct standard form of the equation of the parabola?
Anastaziya [24]

Answer:

The answer is (X +2)^2 = 4(Y -5).

6 0
2 years ago
Can someone pls help me with this.. Thanks in advance
vfiekz [6]
3,6,8,5, these are your answers
5 0
3 years ago
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Any help on this please ?
dlinn [17]

Answer:

(0,-5), I believe.

Step-by-step explanation:

5 0
2 years ago
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