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3 years ago

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Janna has $34 and will save $6 per day

1 answer:

iris [78.8K]3 years ago

8 0

5.6666666 hope this helps

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Marcos purchased a sail boat for $56,900. He anticipates each year the boat will decrease in value by 8.1% from the previous yea

Varvara68 [4.7K]

Answer: $56,900\left( 0.919\right)^x$

Step-by-step explanation:

Given

Marcos purchased a sailboat for $\$56,900$

Each year the boat will decrease in value by $8.1\%$

After 1 year it is

$\Rightarrow 56,900-56,900\times 0.081\\\Rightarrow 56,900\left( 1-0.081\right)\\$

after another year it becomes

$\Rightarrow 56,900\left( 1-0.081\right)-56,900\left( 1-0.081\right)\times 0.081\\\Rightarrow 56,900\left( 1-0.081\right)\cdot \left( 1-0.081\right)\\\Rightarrow 56,900\left( 1-0.081\right)^2$

After $x$ years it is

$\Rightarrow 56,900\left( 1-0.081\right)^x$

$\Rightarrow 56,900\left( 0.919\right)^x$

5 0

3 years ago

Compute the missing data in the table for the following exponential function f (x) = (one-fourth) Superscript x.

aliina [53]

Answer:

$F(4) = \frac {1}{256}$

Step-by-step explanation:

Given the following mathematical function;

$F(x) = \frac {1}{4^{x}}$

<u>When x = 1</u>

$F(1) = \frac {1}{4^{1}}$

$F(1) = \frac {1}{4}$

<u>When x = 2</u>

$F(2) = \frac {1}{4^{2}}$

$F(2) = \frac {1}{4*4}$

$F(2) = \frac {1}{16}$

<u>When x = 3</u>

$F(3) = \frac {1}{4^{3}}$

$F(3) = \frac {1}{4*4*4}$

$F(3) = \frac {1}{4*4*4}$

<u>When x = 4</u>

$F(4) = \frac {1}{4^{4}}$

$F(4) = \frac {1}{4*4*4*4}$

$F(4) = \frac {1}{256}$

<u>When x = 5</u>

$F(5) = \frac {1}{4^{5}}$

$F(5) = \frac {1}{4*4*4*4*4}$

$F(5) = \frac {1}{1024}$

8 0

3 years ago

An amusement park offers ride tickets for $1.50 each to customers who buy the quantities of tickets indicated in the graph below

Jlenok [28]

Answer:

the answer is A--Customers who buy at least 25 tickets will pay $1.50 each.

Step-by-step explanation:

just took da test

8 0

3 years ago

Read 2 more answers

The price has changed from $120 to $75. by how many percent did it change?

galina1969 [7]

The answer would be -37.5

6 0

3 years ago

25 points!! Will give Brainliest!! Help please!!!

fredd [130]

What I did for this question is I set up ans equation. 5x-7 + 3x+11 = 180 and I added the Xs and and I added 11 to -7. Then I got 8x+4=180. I then "-4" on both sides and then divided 8 by 176. Getting X as 22. We now know X and we put 22 into the equation for D which is "3x+11" getting 77 degrees. Hope this helped!

6 0

3 years ago