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nalin [4]
2 years ago
10

How do I rewrite In 7=y as an exponential equation? I kind of forgot how to do these

Mathematics
1 answer:
Marina CMI [18]2 years ago
7 0

Answer:

e^y=7

Step-by-step explanation:

ln(7)=y

e^{ln(7)}=e^y

7=e^y

Raising e to both sides cancels out the natural logarithm on the left side and we have our exponential form. This works with other bases (recall that the natural logarithm, ln, has base e)

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Find the smallest number by which 248 should be subtracted to make them perfect square​
dimaraw [331]

Answer:

21.

Step-by-step explanation:

The next perfect square below 248 i s 225 ( = 15^2).

So the answer is 248 - 225 = 21.

4 0
3 years ago
Mrs. Johnson gets her morning coffee. She can't decide which size to order. Which size is the better buy? Explain.
Tom [10]

Answer:

large

Step-by-step explanation:

3.95 divided by 12 = 0.33

4.25 divided by 16 = 0.27

4.55 divided by 20 = 0.2275

the 20oz is the least unit price

3 0
2 years ago
At 1 p.m., the number of cars in a parking lot is 78. Given the formula found in the first part of the question, An=78⋅1.09n, es
Harrizon [31]

Answer:

At 6 p.m., the number of cars in a parking lot is 120

Step-by-step explanation:

At 1 p.m., the number of cars in a parking lot is 78.

Given,

A_n=78\cdot 1.09^n

Note that

A_0=78\cdot 1.09^0=78\cdot 1=78

So, 1 p.m. goes for n = 0, then

6 p.m. goes for n = 5

Thus,

A_5=78\cdot 1.09^5\approx 120

4 0
3 years ago
Evaluate and simplify the following complex fraction.
Naya [18.7K]

Answer:

-10/7

Step-by-step explanation:

(-5/7)/(2/4) = (-5/7)/(1/2) = (-5/7)*(2/1) = -10/7

3 0
3 years ago
Solve the equation for x
photoshop1234 [79]

Answer:

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5x-4x=7+18

x=25

4 0
1 year ago
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