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SashulF [63]
3 years ago
8

at the start of 2014 lucys house was worth 200000. the value of the house is increased by 5% every year. work out the value of h

er house at the start of 2017
Mathematics
1 answer:
Galina-37 [17]3 years ago
8 0

Answer:

231525

Step-by-step explanation:

2014 = 200,000

Start of 2015

200,000 x 1.05 = 210,000


Start of 2016

210 x 1.05 = 220,500


Start of 2017

220,000 x 1.05 = 231,525

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Between the years of 1947 and 1956, earthenware jars containing what are known as the Dead Sea Scrolls were found in caves along
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Answer:

They are right, the time calculated using the exponential decay equation is 1948.6 years.

Step-by-step explanation:

The time can be calculated using the exponential decay equation:

N_{(t)} = N_{0}e^{-\lambda t}     (1)

<u>Where</u>:

N(t): is the quantity of C-14 at time t

N₀: is the initial quantity of C-14

λ: is the decay constant  

The decay constant is:

\lambda = \frac{ln(2)}{t_{1/2}}   (2)    

By entering equation (2) into (1) and solving for t, we have:

t = \frac{t_{1/2}*ln(N_{t}/N_{0})}{ln(2)} = \frac{5730*ln(0.79)}{ln(2)} = 1948.6 y

Therefore, the time of the scrolls estimated by the archeologists is right, since the time calculated using the exponential decay equation is 1948.6 years.      

I hope it helps you!

8 0
3 years ago
What recursive formula can be used to generate the sequence where f(1) = 5 and n &gt; 1
Rashid [163]

Answer:

idk

Step-by-step explanation:

7 0
3 years ago
Demont made one fourth pound of rock candy.He will separate the candy into four stacks.If he puts an equal amount of candy in ea
kondor19780726 [428]

Answer:

1/16

Step-by-step explanation:

Demont made one fourth (\frac{1}{4}) pound of rock candy

He separates the candy into four sacks equally.

This is done by dividing the total fraction of candy of a pound of candy made  by the number of sacks

The fraction of a pound of candy that will be in each sack therefore is:

\frac{1}{4}\div  4= \frac{1}{4}X\frac{1}{4}=\frac{1}{16}

Therefore, One-Sixteenth of a pound of candy will be in each of the sack.

3 0
3 years ago
A 6 inch personal pizza has 640 calories, with 240 of those from fat. A 12 inch pizza is cutinto 8 slices. Estimate the number o
MissTica

Given:

Number calories in a 6-inch pizza = 640 calories

For the pizza of 6 inch

A=\pi(3)^2=9\pi

For the pizza of 12 inch

A=\pi(6)^2=36\pi

Number calories in a 6-inch pizza = 640 calories, therefore:

\frac{A_{6\text{ inch}}}{A_{12\text{ inch}}}=\frac{640}{x}

Substitute:

\begin{gathered} \frac{9\pi}{36\pi}=\frac{640}{x} \\ Simplify \\ \frac{1}{4}=\frac{640}{x} \end{gathered}

And solve for x:

\begin{gathered} 1\cdot x=4\cdot640 \\ x=2560 \end{gathered}

Now, Estimate the number of calories in one slice of a 12 inch pizza:

\frac{2560}{8}=320

Answer: 320 calories

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1 year ago
Three math questions
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Answer:

1. A is d=1.75

Step-by-step explanation:

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3 years ago
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