Answer:
15, -26
Step-by-step explanation:
The <em>generic solution</em> to a "sum and difference" problem can be found easily. Let "a" and "b" represent the numbers you seek, and let "s" and "d" represent their sum and difference:
a + b = s
a - b = d
Adding these two equations tells you ...
2a = s + d
a = (s + d)/2 . . . . . . divide by the coefficient of a
You can find "b" several different ways. One way is to subtract the second equation from the first:
2b = s - d
b = (s - d)/2 . . . . . . divide by the coefficient of b
So, the second number can be found from any of ...
- b = s - a
- b = a - d
- b = (s - d)/2
____
For the numbers given here, s=-11, d=41, the two numbers are ...
a = (-11 +41)/2 = 15
b = -11 -15 = -26
The two numbers are 15 and -26.
−2.72 or -68/25
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Answer:
0.55
Step-by-step explanation:
To write 0.11/0.2 as a decimal you have to divide numerator by the denominator of the fraction.
We divide now 0.11 by 0.2 what we write down as 0.11/0.2 and we get 0.55 And finally we have, 0.11/0.2 as a decimal equals 0.55
Step-by-step explanation:
plug in 1 and 4 for x and y
(4)=2(1)-5
then do the math
4=2-5
4 does not equal -3 therefore it is not a solution
Answer:
x = 9,-21
Step-by-step explanation:
Given:

Transport -7 to add 8:

Cancel absolute sign and add plus-minus to 15:

Transport 6 to subtract ±15:

Consider:
or 
or 
Solution:
or 
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Second Method
Given:

Transport -7 to add 8:

Absolute Function Property:

Consider both intervals:
When x ≥ a then:

Transport 6 to subtract 15:

When x < a then:

Transport -6 to add 15:

Transport negative sign to 21:

Solution:
or 
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Let me know if you have any questions regarding this question, my answer or explanation. Hope this answer and explanation helps you and good luck with your assignment!