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inna [77]
3 years ago
14

2 factors of 28 add up to 9 what are they

Mathematics
2 answers:
bogdanovich [222]3 years ago
5 0
It is 2 and it is 7 the two factors your welcome  
salantis [7]3 years ago
5 0
Think of all the factors that equal 28 and line them up smallest to greatest.

1, 2, 4, 7, 14, 28

Look at all the numbers, and try adding some of them together.

Let's start with 1.

1+2=3 ×
1+4=5 ×
1+7=8 ×

Well, 1 isn't one of the factors because no matter which factor you add it to, it'll be either larger or smaller than 9.

Let's try 2.

2+1=3 ×
2+4=6 ×
2+7=9 √

The factors 2 & 7 added together equal 9.

Hope this helps.
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v = 3.14 * (6)² * 11.4/3
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3 0
3 years ago
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zhuklara [117]

Answer:

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5 0
3 years ago
Help plsssssssss ....
Rom4ik [11]

Answer:

Arccos(0.9272) =0.383929333 radian

0.383929333 radian =(0.383929333*57.2957795)degrees

so, 21.99 degrees

Step-by-step explanation:

Rounding to the nearest we get 22 degrees

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6 0
2 years ago
a rectangle has an area that is represented by 9x²-4. the length of the rectangle is 3x-2. what is the width?
PSYCHO15rus [73]

Step-by-step explanation:

the area is

length × width

(3x - 2) × width = 9x² - 4

to find width we could do a real polynomial division or simply recognize the fact that

(a + b)(a - b) = a² - b²

and we see that in our area calculation we are missing the (a + b) factor.

so, width = (3x + 2)

but if you want the division :

9x² - 4 : 3x - 2 = 3x + 2

- 9x² - 6x

-----------------

0 6x - 4

- 6x - 4

----------------------

0 0

again, width = (3x + 2)

6 0
2 years ago
Anyone know how to do this? Please help
denpristay [2]

Answer:

93.6 inch^2

Step-by-step explanation:

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3 0
3 years ago
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