(20 pts)
Activity 1:
Evaluate each expression if a = 2,
b =-1, c= 3, and d=-5.
1.a + b + c + d
2.ab + cd
3.-a + b - c + d
4.b/d + a/c
5.d/c - b/a
*need correct answer pls
*no nonsense answers
*dont answer if u dont know
Activity 1:
Evaluate each expression if a = 2,
b =-1, c= 3, and d=-5.
1.a + b + c + d
2.ab + cd
3.-a + b - c + d
4.b/d + a/c
5.d/c - b/a
*need correct answer pls
*no nonsense answers
*dont answer if u dont know
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Solutions:
1) 2 + -1 + 3 + -5 = 0
2) -21 + -35 = -56
3) -2 + -1 - 3 + -5 = -3
4) -1 ÷ -5 + 2 ÷ 3 = -0.16
5) -5 ÷ 3 - -1 ÷ 2 = ???
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Answer:
1. -1
2. -17
3. -11
4. 13/15
5. -7/6
1. -5 + (-1) = -6
2 + 3 = 5
-6 + 5 = -1
2. (2)(-1) + (3)(-5)
-2 + (-15) = -17
3. -2 + (-1) = -3
-3 + (-5) = -8
-3 + -8 = -11
4. -1/-5 = 1/5
1/5 + 2/3 = 13/15
5. -5/3 + (-1)/2 = (-10 +3 )/6
-7/6
1. -5 + (-1) = -6
2 + 3 = 5
-6 + 5 = -1
2. (2)(-1) + (3)(-5)
-2 + (-15) = -17
3. -2 + (-1) = -3
-3 + (-5) = -8
-3 + -8 = -11
4. -1/-5 = 1/5
1/5 + 2/3 = 13/15
5. -5/3 + (-1)/2 = (-10 +3 )/6
-7/6