It would be 10 because if you round the 9 by the 7 you would make the 9 into a 10.
Answer:
what is the question and choices?
Step-by-step explanation:
then maybe I can help
Answer:
4
Step-by-step explanation:
The sum of the first n terms of a geometric series is:
S = a₁ (1 − rⁿ) / (1 − r)
Given S = 15624, r = 5, and n = 6:
15624 = a₁ (1 − 5⁶) / (1 − 5)
a₁ = 4
You are rigth because it just said that it is
Answer for the first box = -31.67
Answer for the second box = 17.22
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Work Shown:
Plug in F = -25 and solve for C
F = (9/5)C+32
-25 = (9/5)C + 32
(9/5)C + 32 = -25
(9/5)C = -25-32 ... subtract 32 from both sides
(9/5)C = -57
C = (5/9)*(-57) ... multiply both sides by 5/9, its the reciprocal of 9/5
C = -31.667 approximately
C = -31.67 rounding to 2 decimal places
This shows that -25 degrees F converts to roughly -31.67 degrees C.
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Repeat the same basic steps, but now use F = 63
F = (9/5)C+32
63 = (9/5)C+32
(9/5)C+32 = 63
(9/5)C = 63-32
(9/5)C = 31
C = (5/9)(31)
C = 17.222 approximate
C = 17.22
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If the temperature ranges from -25 degrees F to 63 degrees F, then this converts to the range of roughly -31.67 degrees C to 17.22 degrees C