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Monica [59]
3 years ago
7

Solve: 14 ≥ −2(−2z + 3)

Mathematics
1 answer:
kenny6666 [7]3 years ago
6 0

Answer:

z≤5

Step-by-step explanation:

14≥4z-6

20≥4z

z≤5

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A survey found that 12 out of every 15 people prefer eating out over cooking. If 500 people took the survey, how many people pre
Artyom0805 [142]

Answer:

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8 0
3 years ago
Read 2 more answers
If (x/100-1)(x/100+1)=kx^2-1 k=
Artist 52 [7]
(x/100-1)(x/100+1)=kx^2-1
(x/100-1)(x/100+1)=(x/100)^2 - 1^2 because it's a difference of squares ( (a-b)(a+b) = a^2-ab+ab-b^2 = a^2 - b^2):
(x/100)^2 - 1^2=kx^2 - 1
(x/100)^2 - 1=kx^2 - 1
(x/100)^2=kx^2
(x^2)/(100^2)=kx^2
1/(100^2)=k
1/10000=k
k=0.0001
3 0
3 years ago
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