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kompoz [17]
3 years ago
7

Ricardo is 3 years older than Courtney. In 5 years the sum of their ages will be 81. How old is Ricardo now?

Mathematics
1 answer:
kondaur [170]3 years ago
8 0
Ricardo will be cool is how and he is smart
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Divide 5 in a ratio of 1:2:3
anastassius [24]
In plain and short, we simply divide 5 by (1+2+3) and then distribute the pieces likewise

\bf 5\qquad 1:2:3\qquad \cfrac{5}{1+2+3}\implies \cfrac{5}{6}
\\\\\\
\stackrel{\textit{ratio of 1}}{1\left( \frac{5}{6} \right)}\qquad \stackrel{\textit{ratio of 2}}{2\left( \frac{5}{6} \right)}\qquad \stackrel{\textit{ratio of 3}}{3\left( \frac{5}{6} \right)}\qquad \implies \qquad \frac{5}{6}~:~\frac{5}{3}~:~\frac{5}{2}

add the ratios up, and you'll get 5.
4 0
2 years ago
What is the common ratio for this geometric sequence?<br> 5,15,45,135...
LiRa [457]

Answer:

3

Step-by-step explanation:

To find the common ration, we take the 2nd term and divide it by the first term

15/5  = 3

Let check by taking the third term and dividing by the 2nd term

45/15 =3

The common ratio is 3

5 0
3 years ago
Write the following phrase<br> as an<br> inequality: 3 more than twice n is at most 50.
Margarita [4]

Step-by-step explanation:

3 more than twice n = 3+2n

3 more than twice n is atmost 50,

=> 3+2n <= 50 {(3+2n) is less than or equal to 50}

7 0
2 years ago
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Give me equations that will equal to 16.. it can also b solving for x
STatiana [176]
It is a very simple answer but it works!

3 0
3 years ago
80 Hundreds = ____ Thousandths
allsm [11]
The answer would be 0.8, because 800 hundreds go into 8 thousandths, but there is only 80 hundreds, so the answer is 0.8 thousandths.
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PLZ MARK MINE THE BRAINLIEST ANSWER!!!
3 0
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