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Setler [38]
3 years ago
7

Robert has just purchased a new printer that came in a box with a surface area of 1,916.82 inches2. If the box is 33.7 inches lo

ng and 9.3 inches wide, what is the height of the box?
A.
15 inches
B.
56.9 inches
C.
30 inches
D.
6.1 inches
Mathematics
1 answer:
Morgarella [4.7K]3 years ago
6 0
D. 6.1 is the answer

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Solve the logarithmic equation: x= log5 (1/625)=
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You can convert (1/625) to an exponent, and it would be ideal to have 5 as the base of it because you want your log base to cancel it out. what i usually do in this case is just test out 5^1, 5^2, etc until i find one that matches the number i need. in this case because the number you're trying to work with is a small fraction, you'll want to use NEGATIVE exponents so it'll create a fraction instead of a large whole number:

5^-1 = 1/5
. . . keep trying those. . .
5^-4 = 1/625

so, because they're equal to one another, it'll be waaay easier after you substitute 5^-4 in place of 1/625

x = log₅ 5⁻⁴

log base 5 of 5 simplifies to 1. subbing in the 5^-4 gets rid of the log for you altogether, and your -4 exponent drops down:

x = -4 is your answer

if the exponent dropping down doesn't make sense to you, you can think of it in another way:

x = log₅ 5⁻⁴

expand the expression so that the exponent moves in front of the log function:

x = (-4) log₅ 5

then, still, log base 5 of 5 simplifies to 1, so you're left with:

x = (-4)1 or x = -4
5 0
3 years ago
Tickets to a concert are available online for $20 each, plus a one-time handling fee of $1.75. The total cost is a function of t
grin007 [14]
The answer is (c) (sorry adding extra characters so brainly can exept it.)
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10 * 6 = 60 by the time Zach joins so 125-60 = 65
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Your answer is 5. 
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4 years ago
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Answer:

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2 years ago
F(7)=2x-3 ?<br><br> please ?
Nesterboy [21]

Answer:13

Step-by-step explanation:

2(7)-3

6 0
3 years ago
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