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KiRa [710]
3 years ago
13

Double a number is equal to the number decreased by 5 find the number

Mathematics
2 answers:
lina2011 [118]3 years ago
8 0

Answer:

n=the number

2n=n-5

2n-n=-5

n=-5

zepelin [54]3 years ago
5 0
The answer is -5.:) hope we helped
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Construct an equation for the expression: 3 less than 2 times a number is 7. Show the solution to the equation and prove your so
ElenaW [278]

Answer:

5 x 2 -3 = 7

Step-by-step explanation:

i mean.... thats all

4 0
3 years ago
Số tiếp theo (next number?): 25 50 99 196 388
Delvig [45]

Answer:

The correct answer is - 768.

Step-by-step explanation:

The given question is based on a specific pattern present in between the numbers in the given series -

Series = 25 50 99 196 388

to find - next number in series

let us find the relation between the initial two number:

25 - 50, here number 50 is two times of 25 or (x*2-0)

relation between 2nd and 3rd number:

50 - 99, here 99 is two times of 50 minus 1 or (x*2-1)

relation between 3rd and 4th number:

99 - 196, here 196 is two times of 99 minus 2 or (x*2-2)

relation between 4th and 5th number:

196 - 388, here 388 is the two times of 196 minus 4 or (x*2-4)

So on this pattern, the next number would be = x*2-8

388*2-8

= 768

5 0
2 years ago
If segment DF is an angle bisector, solve for x
klasskru [66]

Answer:

x = 19

Step-by-step explanation:

Since DF is an angle bisector then it divides the opposite sides into segments that are proportional to the other 2 sides, that is

\frac{DE}{DG} = \frac{EF}{GF} , substitute values

\frac{25}{22.5} = \frac{x-9}{9} ( cross- multiply )

22.5(x - 9) = 225 ( divide both sides by 22.5 )

x - 9 = 10 ( add 9 to both sides )

x = 19

8 0
2 years ago
Which shows one way to determine the factors of x^3-12x^2-2x+24
SashulF [63]
Hello,
x^3-12x²-2x+24=x²(x-12)-2(x-12)=(x-12)(x²-2)
=(x-12)(x-√2)(x+√2)


8 0
3 years ago
5 more than the product of 4 and some number is equal to 33
gregori [183]

Answer:

33 = 4x + 5

Step-by-step explanation:

If you convert this expression into numbers, it would be 4 times the number x plus 5 is equal to 33.

Hopefully this helps! Let me know if you have any questions!

8 0
2 years ago
Read 2 more answers
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