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Neporo4naja [7]
4 years ago
5

The difference between a number and 20 is 45...

Mathematics
2 answers:
Maksim231197 [3]4 years ago
8 0

Answer:

25

Step-by-step explanation:

chubhunter [2.5K]4 years ago
6 0

Answer:

Step-by-step explanation:

25

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Factorise using the difference of two squares:<br> I)4x squared-(2x+3) squared
alex41 [277]
4x² - (2x + 3)²
4x² - (2x + 3)(2x + 3)
4x² - (2x(2x + 3) + 3(2x + 3))
4x² - (2x(2x) + 2x(3) + 3(2x) + 3(3))
4x² - (4x² + 6x + 6x + 9)
4x² - (4x² + 12x + 9)
4x² - 4x² - 12x - 9
-12x - 9
-3(4x) - 3(3)
-3(4x + 3)
8 0
3 years ago
How to find n for F=n/4+37
Alla [95]

Answer: F=40 or other words n=40


Step-by-step explanation:

F= n/4 + 37

F= 12/4 + 37

F= 3 +37

F =40

Hope this helped! ;)

3 0
3 years ago
If m RDC = 120°, then m DAC=?
monitta
The correct answer to this question is 240

From the image i've seen, the RDC has an angle of 120. So the major arc DC (that passes A and B) has an angle of 240.

So this makes that the measure of the angle of DAC is 240 because of the angle formed by RDC which is 120.
7 0
3 years ago
Read 2 more answers
A cylindrical container is packaged inside a prism-shaped box. The box has a volume of 96 cubic units. If the container has a di
Anna71 [15]
Volume of container = <span>π x 4^2 x 6/4 = 75.40 cubic units
volume of empty space = volume of box - volume of container = 96 - 75.40 = 20.60 cubic units
</span>
4 0
3 years ago
Read 2 more answers
If ƒ(x) = -5n + 1 and g(x) = -6n + 2, find (ƒ + g)(-2).
Stels [109]

(f+g) (n) = (–5n +1 ) + (- 6n +2) = –11n +3

(f+g) (n) = –11n +3

(f+g) (–2) = – 11 (–2) +3 = 22 +3 = 25

I hope I helped you^_^

3 0
3 years ago
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