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Gekata [30.6K]
3 years ago
13

Find the product of (x – a) and (x - b).

Mathematics
1 answer:
yawa3891 [41]3 years ago
6 0

(x−a)(x−b)

=(x+−a)(x+−b)

=(x)(x)+(x)(−b)+(−a)(x)+(−a)(−b)

=x2−bx−ax+ab

<h2><u><em>=ab−ax−bx+x2</em></u></h2>

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Draw a picture to show how to find12+37
Karolina [17]
So i drew 12 circles and 37 circles
And i got 49 total:D 
i hope this helps and sorry that the pic is wierd:(


7 0
3 years ago
A cylinder has a radius of 3 and a height of 4 Using 3.14 (pi) Round your answer to the nearest hundredth What is the volume of
tensa zangetsu [6.8K]

Answer:

113.04 cubic units. ".04" is four hundredths.

(the units are not given here. They could be cubic feet, cubic inches, cubic meters, cubic centimeters. or other measurements.)

Step-by-step explanation:

To find volume we need to multiply the area of the base times the height.

The base of a cylinder is a circle.

The area is πr²

The given radius here is 3

3² is 9

π × 9 using 3.14 is 28.26

Multiply that area by the given height, 4

28.26 × 4 = 113.04

The volume if this cylinder is 113.04 cubic units.

6 0
3 years ago
8-3x2 help with homework
Flura [38]


8-3x2

= 8 - (3x2)

= 8-6

= 2

7 0
3 years ago
Read 2 more answers
Molly recorded these temperatures one day: Morning temperature = −2°F Afternoon temperature = +1°F Night temperature = 0°F Which
madam [21]

Morning temperature = −2°F

Afternoon temperature = +1°F

Night temperature = 0°F

Answer

The morning temperature was 2 degrees below the night temperature

3 0
3 years ago
Heeelp me please ..?
Reptile [31]
Alright so first you want to find out how you take 30% off of $30.  The first step is to ask yourself, what's 30% of $30? All you have to do is make the percentage into a decimal like you did and multiply .30 times 30.  That gets you 9.  So 9 is 30% of $30, but since it said the original 30 was marked down by that much, it means subtract. 30-9=21.  
For the second part, you pretty much do the same thing but using the 21 you just got and taking away 20% this time.  Same process so .20 times 21=4.2, and take the 4.2 away from 21 to get 21-4.2=16.8.
Convert that to dollars to see that the final price is $16.80.  
Just a tip, a lot of people will forget the subtraction part after they find the percentage part.  Most of these type questions are two steps like that so don't forget to subtract when needed. Lmk if you still have questions :)
7 0
3 years ago
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