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egoroff_w [7]
3 years ago
8

29 thousands = blank

Mathematics
2 answers:
kifflom [539]3 years ago
8 0
29000? .... what exactly are you supposed to be finding
baherus [9]3 years ago
8 0
29 thousands = 29 *1,000 = 29,000
hope it helps
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Christopher has $1947 in his savings account. This weekend he will deposit another $99 in the account. How much money will be in
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F(x) = –22 + 10x - 6<br> Find f(-5)
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For a. we start by dividing both sides by 200:

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ln(1.05)^x=ln(1.885)

Applying the power rule for logs lets us now bring down the x in front of the ln:

x * ln(1.05) = ln(1.885)

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x=\frac{ln(1.885)}{ln(1.05)}

Do this on your calculator to find that

x = 12.99294297

For b. we will first apply the rule for "undoing" the addition of logs by multipllying:

ln(x*x^2)=5

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ln(x^3)=5

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3 * ln(x) = 5

Now we can divide both sides by 3 to get

ln(x)=\frac{5}{3}

Take the inverse ln by raising each side to e:

e^{ln(x)}=e^{\frac{5}{3}}

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x = 5.29449005

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\frac{1}{2}=e^{.1x}

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ln(.5)=ln(e^{.1x})

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-.6931471806 = .1x

x = -6.931471806

Question d. is a bit more complicated than the others.  Begin by turning the base of 4 into a base of 2 so they are "like" in a sense:

(2^2)^x-6(2)^x=-8

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(2^2)^x-6(2)^x+8=0

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But don't forget the substitution that we made earlier to make this easy to factor.  Now we have to put it back in:

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2^x=2^1

Now that the bases are the same, we can say that

x = 1

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3 years ago
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