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Aleksandr [31]
2 years ago
6

My number has a tens digit that is 8 more than the ones digit. zero is not one of my digits

Mathematics
1 answer:
AlekseyPX2 years ago
5 0
It just 8............................................................
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Which of the expressions below are equivalent? 8x - 4 4x 4(2x - 1)
alexandr402 [8]
8x-4 and 4(2x-1)




4(2x-1) the four needs to be distributed in the parentheses.

4*2x=8x
4*(-1)=(-4)

8x-4=8x-4
4 0
2 years ago
(x+3)^2=4
GalinKa [24]

Answer:

x = -1, -5

Step-by-step explanation:

{(x + 3)}^{2}  = 4 \\  =  >  {x}^{2}  + 2 \times x \times 3 +  {3}^{2}  = 4 \\  =  >  {x}^{2}  + 6x + 9 = 4 \\  =  >  {x}^{2}  + 6x = 4 - 9 \\  =  >  {x}^{2}  + 6x =  - 5 \\  =  >  {x}^{2}  + 6x  + 5 = 0 \\  =  >  {x}^{2}  + 5x + x + 5 = 0 \\  =  > x(x + 5) + 1(x + 5) = 0 \\  =  > (x + 1)(x + 5) \\  =  > x =  - 1 \:  \: or \:  \:  - 5

Hope it helps.

Don't forget to click the "Brainliest" button if you like my answer.

6 0
2 years ago
Read 2 more answers
Can someone help me please
mojhsa [17]

Answer:

0.19 50% 15/20 9/10 95%

Step-by-step explanation:

I know

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3 years ago
What is the maximum value of the expression -5x^2 + 100x + 4,000?
Ludmilka [50]

Answer:

4500

Step-by-step explanation:

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3 0
3 years ago
What is the average score for 98, 111 and 106
lukranit [14]
Since giving you the exact answer wouldn't help you learn anything, read this:

to find average get all of the values (98,111,106) and add them up. then do the sum of 98+111+106 divided by total number if values (3)
6 0
3 years ago
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