3 years ago

Simplify (2 3/5) divided ( -3 3/4)

Mathematics

1 answer:

Ostrovityanka [42]3 years ago

4 0

Flip over the second fraction

2 3/5= 13/5 ( Multiply the whole number with the denominator, 2*5=10 then add the numerator 10+3=13

-3 3/4= -15/4

13/5 * -4/15= -52/75

Answer :-52/75

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Read 2 more answers

The radius of a semicircle is 3 kilometres. What is the semicircle's perimeter?

alina1380 [7]

Answer:

In terms of Pi: $3\pi + 6$ km

Exact value (rounded): 15.42477 km

Approximated (3.14): 15.42 km

Step-by-step explanation:

Hello!

A semicircle's perimeter can be found using the formula: $P = \pi r + 2r$

We can plug in the values to solve for the perimeter.

<h3>Solve</h3>

$P = \pi r + 2r$
$P = \pi(3)+ 2(3)$
$P = 3\pi + 6$

In terms of Pi, it is $3\pi + 6$ ,

Exact value of Pi, it is 15.42477

Approximation of Pi (3.14), it is = 15.42

6 0

2 years ago

Solve for s.<br><br><br><br> 5/9s+13/9s=24

aleksley [76]

Start by combining like terms:
$( \frac{5}{9} s + \frac{13}{9}s)=24
$
$\frac{5}{9} s + \frac{13}{9}s=2s$

Now we have:
$2s=24$

Divide both sides by 2 to isolate s

$\frac{2s}{2} = \frac{24}{2}$

Final answer:

s=12

3 0

3 years ago