Please solve ASAP!!!!!!!!!
2 answers:
Answer:
C; D; B; B
Step-by-step explanation:
14) 1/((1/4) + (1/7)) = 1/(11/28) = 28/11 (C)
15) 1/((1/x) + (1/3x)) = 3--> (1/x) + (1/3x) = 1/3 --> 4/3x = 1/3 --> x = 4 (D)
16) 56 - 28 = 28 --> 28/(4*2) = 3.5 hours --> 56/3.5 = 16mph (when adding the stream's speed)--> 16mph - 4mph = 12mph (B)
17) 540 - 480 = 60 --> 60/(9*2) = 10/3 hours --> 540/(10/3) = 162 (when adding the current) --> 162mph - 9mph = 153mph (B)
Answer:
14. A
15. C
16. B
17. B
Step-by-step explanation:
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If we expand (x-3)^2=36:
(x-3)(x-3)=36
x^2-3x-3x+9=36
x^2-6x+9=36
Then subtract 36
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Answer:
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Step-by-step explanation:
Answer:
X = 1
Step-by-step explanation:
subtract 14 from both sides
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divide both sides by 7
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Answer:
9
Step-by-step explanation:
|9| = 9
Absolute value is distance from zero. 9 is 9 away from 0. BRAINLIEST? :')
