2 years ago

Pls help 19 a. 100 pts

Mathematics

1 answer:

Len [333]2 years ago

3 0

Answer:

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Step-by-step explanation:

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David, Egil and Frances share money in the ratio 2:7:9. Frances gets ?80 more than David. Explain how you know Egil gets ?80.

Natalija [7]

Step-by-step explanation:

We have been given that David, Egil and Frances share money in the ratio 2:7:9.

Let 2x, 7x and 9x be the amounts of money that David, Agil and Frances get respectively.

We are told that Frances gets $80 more than David. So we can write this information in an equation as:

$9x=2x+80$

Now let us solve for x.

$9x-2x=80$

$7x=80$

$x=\frac{80}{7}$

Now let us substitute $x=\frac{80}{7}$ in 7x (amount of money that Egil gets).

$\text{ Amount of money that Egil will get}=7\cdot \frac{80}{7}$

Upon cancelling out 7 from numerator and denominator we will get,

$\text{ Amount of money that Egil will get}=80$

Therefore, Egil will get $80.

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3 years ago

If 9m=5n then m/n=?

Anettt [7]

Step-by-step explanation:

$9m = 5n$

$\frac{m}{n} = \frac{5}{9}$

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2 years ago

An initial deposit of $5,000 is made into a savings account that compounds 3% interest annually. How much is in the account at t

loris [4]

Find how much 3% of $5000 is. Then multiply the 3% by five and add it to 5000. I hope that didn’t sound confusing.

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2 years ago

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PLEASE HELP AND ACTUALLY HELP!

aalyn [17]

Answer:

c = 5 cm

Step-by-step explanation:

Use Pythagorean Theorem

3^2 + 4^2 = x^2

9 + 16 = x^2

25 = x^2

x = 5

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2 years ago

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Please answer it is really easy!! | | | | V

BaLLatris [955]

The answer is 443 m^2

I explained it in the picture.

Hope it helps!

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3 years ago