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Pavlova-9 [17]
3 years ago
8

Please help!!! Due today!! Picture of question + example. Please show work!!!

Mathematics
1 answer:
goblinko [34]3 years ago
5 0
15a^3+6a^2+25a+10
hope this helps!!!
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Work out the area of the shaded region.
Makovka662 [10]

Answer: Area of the shaded region is 6.867 square cm

Step-by-step explanation:

The shaded area corresponds to the difference of the area of the rectangle and the area of the semicircle.

Area of the rectangle = 4 times 8 = 32 cm^2

Area of the semicircle = 0.5 * pi * r^2   (where r is the radius, i.e., half of the diameters, i.e., 4 cm). So Area = 0.5*pi*4^2 = 25.133 cm^2

The difference: 32 - 25.133 = 6.867 cm^2 (area of the shaded region)

5 0
3 years ago
A yard of fabric costs 22.99 how much will 2 feet costs
marshall27 [118]
\frac{22.99}{3ft} =  \frac{d}{2ft}  \\ \\  d=15.33
7 0
3 years ago
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There are 5 green balls, 2 orange balls, 4 purple balls, and 1 pink ball in a bucket. You pick 1 ball from
bagirrra123 [75]
B
The purple balls constitute 1/3 of the amount of balls there, so you’re that likely to pluck one out.
8 0
3 years ago
The product of two numbers is 41. One of the numbers
shepuryov [24]
<h3>Answer:   5 - 4i     (choice A)</h3>

===================================================

Work Shown:

x = the other number

(5+4i)*x = 41

x = 41/(5+4i)

x = 41*(5-4i)/( (5+4i)*(5-4i) ) ..... see note below

x = 41*(5-4i)/( 41 )

x = (41/41)*(5-4i)

x = 5 - 4i  

As a way to check, (5+4i)*(5-4i) = 5^2+4^2 = 25+16 = 41

The rule used is (a-bi)(a+bi) = a^2 + b^2

-----------

Note:  I multiplied top and bottom by (5-4i) to get rid of the imaginary term in the denominator.

3 0
2 years ago
Which statement would produce a tautology?<br> p q<br> p q<br> p p<br> q p
Vladimir [108]
Hello There!

I'm assuming it is p p.

Hope This Helps You!
Good Luck :) 

- Hannah ❤
3 0
3 years ago
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