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ikadub [295]
3 years ago
13

5(2x+7) HELP ASAP PLS​

Mathematics
1 answer:
Bingel [31]3 years ago
3 0

Answer:

45x

Step-by-step explanation:

Plz mark brainliest

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Solve this quadratic equation by completing the square.<br><br> x^2+10x=7
bogdanovich [222]
Ok, so the quadratic coefient is 1, so great

take 1/2 of the linear coefient and square it
10/2=5, (5)^2=25
add that to both sides
x^2+10x+25=7+25
factor perfect square trionomial
(x+5)^2=32
squaer root both sides
x+5=+/-4√2
minus 5
x=-5+/-4√2


x=-5+4√2 and -5-4√2
3 0
3 years ago
How to solve this problem ?
jek_recluse [69]

Answer:

bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

Step-by-step explanation:

8 0
2 years ago
Turn upside down but somebody HELP!
bogdanovich [222]
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8 0
3 years ago
Lify 8<br> 7x2-x+8 – 5x2 + 3x – 10
zalisa [80]

Answer: (-5x2 - 8x + 7) - (5x2 - 4)

Step-by-step explanation:

= -5x2 - 8x + 7 - 5x2 + 4

= -5x2 - 5x2 - 8x + 7 + 4

= -10x2 – 8x + 11

Answer: = (-5x2 - 8x + 7) - (5x2 - 4)

6 0
3 years ago
PLEASE HELP!! I will mark the brainliest if you can explain your answer!! I think it’s either b or c..... but I’m not sure!!! Pl
BARSIC [14]

Answer:

A(x) = 6.2 - 0.005x

Step-by-step explanation:

If you think about it, either 0.5/0.005 needs to be equal to 0.5%

0.5 is the same as 1/2 and therefore it is the same as 50%

So it must be 0.005!

Tip: I always just divide by 100 to get the decimal, it is a nice, easy and quick method

3 0
3 years ago
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