Answer:
(x, y)= (-3, 4)
Step-by-step explanation:
eliminate the variable by adding the equations
Answer:
b= 322.8
Step-by-step explanation:
10.50a + 3.75b = 2071.50
10.50 (82) + 3.75b = 2071.50
861 + 3.75b = 2071.50
-861 -861
3.75b = 1210.5
/3.75 /3.75
b = 322.8
Answer: Constant
No matter what the input x is, the output f(x) is going to be -4. Therefore, the output is constant.
Note: f(x) can be interchanged with y. So we can say y = -4.
Answer:
g=3
Step-by-step explanation:
9 - g = 2g
+g +g
9=3g
divide both sides by 3
g=9
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We are asked to evaluate
.

- The notation |x| denotes absolute value.
The absolute value of a number is its distance from zero.
Absolute value is always positive; distances can't be negative, right?
So we need to find the absolute value of 98, which is:

Remember this...

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