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3 years ago

Calculate the value of x if 2x/3=8/5

Mathematics

1 answer:

Cloud [144]3 years ago

5 0

Answer:

12/5 or 2⅖

Step-by-step explanation:

2x/3 = 8/5

2x = 3 × 8/5

2x = 24/5

x = 24/5 ÷ 2

x = 12/5

Or 2⅖

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Which expression is equal to 6rs^9/42r^5s^2

kirza4 [7]

$\dfrac{6rs^9}{42r^5s^2}=\dfrac{6}{42}\cdot\dfrac{r}{r^5}\cdot\dfrac{s^9}{s^2}=\dfrac{1}{7}\cdot\dfrac{1}{r^4}\cdot\dfrac{s^7}{1}=\boxed{\dfrac{s^7}{7r^4}}$

6 0

4 years ago

Janet has three coins.

tatyana61 [14]

Answer:

Janet has coins worth 252.5, 101, and 50.5.

Step-by-step explanation:

Let us call the three coins $a,b$ , and $c$ .

The first coin $a$ is 5 times another coin (let's say $b$ ); therefore,

$a = 5b$ ,

and the third coin is 2 times the value of another coin (it's coin $b$ ):

$c =2b$ .

The total worth of all coins is 404; therefore,

$a+b+c =404$

$5b+b+2b =404$

$8b =404$

$\boxed{b = 50.5}$

with the value of $b$ in hand, we find $a$ and $c$ :

$a = 5b = 5(50.5)$

$\boxed{a = 252.5}$

and for $c:$

$c = 2 b = 2 (50.5)$

$\boxed{c = 101}$

Thus, Janet has 3 coins worth 252.5, 101, and 50.5.

8 0

4 years ago

FREE PO!NTS!!!! (50) This is for big900 and someone else IM taking attendance say "HERE"

Sergio039 [100]

Answer:

here

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

A hyena can run one over four mile in 22.5 seconds. Which of the following correctly shows this rate as miles per hour?

UNO [17]

Wouldnt you divide ? so itll be 5.62

8 0

3 years ago

Mr. Sanchez’s class sold fruit pies for $1.73 each and Mr. Kelly’s class sold bottles of fruit juice for $1.44 each. Together, t

-Dominant- [34]

Answer:

p = 39 f = 44

Step-by-step explanation:

p = $ 1.73

f = $ 1.44

equation

p + f = 83

1.73 p + 1.44 (83 - p) = $ 130.83

p = 39 (amount of times fruit pies were sold).

Therefore,

p = 39

f = 44

4 0

2 years ago