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dlinn [17]
3 years ago
9

Seee the attachment photo plz​

Mathematics
1 answer:
Ray Of Light [21]3 years ago
7 0

Answer:

not sure

Step-by-step explanation:

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Evgen [1.6K]

After 1 year, the initial investment increases by 7%, i.e. multiplied by 1.07. So after 1 year the investment has a value of $800 × 1.07 = $856.

After another year, that amount increases again by 7% to $856 × 1.07 = $915.92.

And so on. After t years, the investment would have a value of \$800 \times 1.07^t.

We want the find the number of years n such that

\$856 \times 1.07^n = \$1400

Solve for n :

856 \times 1.07 ^n = 1400

1.07^n = \dfrac74

\log_{1.07}\left(1.07^n\right) = \log_{1.07}\left(\dfrac74\right)

n \log_{1.07}(1.07) = \log_{1.07} \left(\dfrac74\right)

n = \log_{1.07} \left(\dfrac74\right) = \dfrac{\ln\left(\frac74\right)}{\ln(1.04)} \approx \boxed{8.3}

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2 years ago
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Draw the box-and-whisker plot for the data. 21 29 25 20 36 28 32 35 28 30 29 25 21 35 26 35 20 19
steposvetlana [31]

go here: https://www.meta-chart.com/share/untitled-14808

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3 years ago
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D(n)=5/16(2)^n-1<br><br> please help lol
Sedaia [141]

Answer:

In this maths tutorial, we introduce exponents / powers and roots using formulas, solved examples and practice questions.

Powers and Roots | Formulas, Solved Examples, Practice Problems

Exponents, also called powers, are a way of expressing a number multiplied by itself by a certain number of times.

When we write a number a, it is actually a1, said as a to the power 1.

a2 = a*a

a3 = a*a*a

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an = a*a*a*a* . . . n times.

Basic formulas in Powers and Roots

Some basic formulas used to solve questions on exponents are:

(am)n = (an)m = amn

am.an = am+n

a-m = 1/am

am/an = am-n = 1/an-m

(ab)n = anbn

(a/b)n = an/bn

a0 = 1

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3 years ago
What two numbers multiply together equal -40 add together to equal positive 6
natali 33 [55]
-4 and 10 add to 6 and have a product of -40.

Hope this helps :)
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The base area of a suitcase is 308 square inches. If the height of the suitcase is 9 inches, what is the volume of the suitcase?
Pachacha [2.7K]
V=A_b*h \\\\ V=308in^2 *9in \\\\ \boxed{V=2772in^3}
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