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3 years ago

You ran 8 miles. John ran half as far as you. Tim ran half as far as John. Chris ran half as far as Tim.

Mathematics

1 answer:

Tanya [424]3 years ago

7 0

You=8
John=4
Chris=2
Tim=1

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Alex invests $2,000 in a company's stock. After a year, the value of Alex's stock has increased to $2,500. What rate of return h

Kay [80]

The rate of interest is 25%

<u>Explanation:</u>

Given:

Principal, P = $2,000

Amount, A = $2500

Time, t = 1 year

Rate of Interest, r = ?

We know:

$Amount = P(1+\frac{r}{100})^t$

On substituting the value we get:

$2500 = 2000 (1 + \frac{r}{100})^1\\ \\\frac{25}{20}= (1+\frac{r}{100})\\$

$\frac{5}{20} = \frac{r}{100}\\ \\r = \frac{100 X 5}{20} \\\\r = 25$

Therefore, the rate of interest is 25%

5 0

3 years ago

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The amount of money that Li spends on a video game depends on how many game he purchases. if Li has at most $90 to spend on game

siniylev [52]

Answer:

Hence Domain set for function is {0,1,2,3,4}

Step-by-step explanation:

Given:

Total amount spend =90

22.5 $ each game cost

To Find:

What is domain for the function

Solution:

Now domain mean all possible value for input so that it gives real output as per condition mentioned

So Our condition is that li spends money on video game depends on how many game he purchases

so total money spent on game is output

i.e in order to get that much amount of games.

If he spends 22.5 $ for each game and Total amount spent is 90

So 90/22.5=4 Now amount of game he would purchase will be 4

i.e range for lil is 0 to 4 wiht 90 $ in hand

So Domain set will be ranging from{0,1,2,3,4}

7 0

3 years ago

How do you find the quadratic equation for the roots 3 and 17?

Naily [24]

The roots are 3 and 17 so the distributed equation is

(x-3)(x-17)

distribute

x²-3x-17x+51

x²-20x+51

I hope I've helped!

6 0

3 years ago

Root of 6x^2 -8 = -8x

Svetlanka [38]

Answer:

If your question is set up like this $\sqrt{6x^2-8}=-8x$ then your answer is No solution.

If your question is set up like this $\sqrt{6x^2}-8=-8x$ then your answer is $x=\frac{4(8-\sqrt{6}) }{29}$ or x = 0.765

Hope this helps!

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3 years ago

Mr w is 5 times as old as his son Liam and Liam is two years older than his brother Jake, if the combined age of alk the Wiggins

Andrej [43]

Are you sure you wrote all the correct numbers because it does not work

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2 years ago

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