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Ket [755]
3 years ago
14

DUE AT 11:59 I NEED HELP NOW​

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
5 0

Answer:

7 months

Step-by-step explanation:

I graphed it

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How do you expand ln(1/49^k)
loris [4]

Answer:

There are a few rules that we can use here:

ln(a^x) = x*ln(a)

ln(a) - ln(b) = ln(a/b)

ln(1) = 0

So here we want to expand:

ln(1/49^k)

First we can use the second property to get:

ln(1/49^k) = ln(1) - ln(49^k)

using the third property, we have:

ln(1/49^k) = ln(1) - ln(49^k) = 0 - ln(49^k)

ln(1/49^k) =  - ln(49^k)

Now we can use the first property to get:

ln(1/49^k) =  - k*ln(49)

Now we can use the fact that:

49 = 7*7 = 7^2

then:

- k*ln(49) = -k*ln(7^2) = -2*k*ln(7)

So we have:

ln(1/49^k) = (-2*ln(7))*k

We can expand it anymore because this is a real number  "(-2*ln(7))" times a variable k.

7 0
3 years ago
A group of five friends goes to the state fair. each friend pays the entrance fee and buys one booklet of ride tickets and a mea
AveGali [126]

Answer:

d. 5(d - 4)

Step-by-step explanation:

the entrance fee is d dollars

a booklet of ride tickets cost 2.5 times the entrance fee = 2.5d

a meal ticket costs $4 less than the entrance fee = d - 4

One meal ticket costs d - 4.

Five meal tickets cost 5(d - 4).

Answer: d. 5(d - 4)

8 0
2 years ago
The midpoint of MN is point P at (–4, 6). If point M is at (8, –2), what are the coordinates of point N?
tester [92]
The midpoint of a line segment is the average of the endpoint's coordinates, mathematically:

mp=((x1+x2)/2, (y1+y2)/2)

In this case:

(-4,6)=((8+x)/2, (-2+y)/2)

(-8,12)=((8+x),(y-2))

(-16, 14)=(x,y)
8 0
3 years ago
Read 2 more answers
Can anyone help me? SOOOOO hard!!
emmasim [6.3K]

Answer:

i think its 16/34

Step-by-step explanation:

8 0
3 years ago
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Round to the place value of the less precise measurement. <br> 2.13 m + 8.6 m
Maru [420]
The answer would be 10.19m. If you want to round it of to a less precise measurement it would be 10 m. That is rounding of the decimal value to the ones place. the rule of rounding of is form 6 t0 9 it would add 1 to the nearest place value next to it and 0 - 5 will not.
3 0
3 years ago
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