2 years ago

PLEASE HELP REWARDING BRAINLIEST

1 answer:

4 0

An exponential function is expressed in the form y=axb^x. The relation represents a growth when b>1 and a decay when 0<b<1.

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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

What’s 5 4/9 as an improper fraction

strojnjashka [21]

Answer: 49/9

Step-by-step explanation:

9x5=45

45+4=49

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2 years ago

Divide the fractions whit whole nymber and simplify

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Answer:

Which fractions

Step-by-step explanation:

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2 years ago

suppose you choose a marble from a bag containing 3 red marbles, 3 white marbles, and 5 blue marbles. You return the first marbl

Marta_Voda [28]

Answer:

15/121 is the answer.

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3 years ago

Can someone explain to me how to find mean/median of a data set real quick?

PIT_PIT [208]

Mean is were you add up all of the numbers and how many numbers are there thats how much you divide by and median is were you line up the numbers from least to greatest then try to find the middle number <span />

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3 years ago

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