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gregori [183]
3 years ago
6

Please help I will give brainliest

Mathematics
1 answer:
steposvetlana [31]3 years ago
8 0

Answer:

(rs)(4) = 8

(r/s)(3) = 2

Step-by-step explanation:

it was on my hw.

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Jacobs & Johnson, an accounting firm, employs 15 accountants, of whom 9 are CPAs. If a delegation of 4 accountants is random
Artemon [7]
1st acc = 6/14 chance 
<span>2nd acc = 5/13 </span>
<span>3rd acc = 4/12 </span>

<span>6/14 * 5/13 * 4/12 = 0.0549450549 </span>

<span>round to 3 decimal places ==> 0.055
Please put me on brainlest if its correct! Thank you!</span>
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3 years ago
The area of a circle is pi(9x2 + 6x + 1) square cm. Find an expression for the length of the circles radius
Ainat [17]

Answer:

r = 3x + 1

Step-by-step explanation:

The area (A) of a circle is calculated as

A = πr² ( r is the radius )

Here

πr² = π(9x² + 6x + 1) ← divide both sides by π

r² = 9x² + 6x + 1 ← perfect square

r² = (3x + 1)² , thus

r = 3x + 1

8 0
3 years ago
Which is the value of x?
PolarNik [594]

Answer: 28

Step-by-step explanation: 3(28)- 21=63

6 0
3 years ago
What is the area of a trapezoid ABCD with bases AB and CD , if:<br> AB=10cm, BC=DA=13cm, CD=20cm
aliya0001 [1]

Step-by-step explanation:

to find height :

draw a height from A to CD

height = (13) 2 - 5) 2 = 12 Cm

area = 10+20 /2 X 12= 180 cm 2

7 0
3 years ago
Estimate a 15% tip on a dinner bill of $43.66 by first rounding the bill amount to the nearest ten dollars.
Airida [17]

Answer:

$43.66 rounded to the nearest 10 =$40

15% of $40 = $6

Step-by-step explanation:

6 0
3 years ago
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