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Vera_Pavlovna [14]
3 years ago
13

I need help on 7 and 8

Mathematics
1 answer:
mash [69]3 years ago
7 0
Question 7= to work out 19% work out 1% and 20%. 25.00 1%= 0.25 10%= 2.5 so, 20% = 5 (2.5*2) 20%-1% = 19%. 5-0.25 = 4.75 = discount £25-£4.75 =20.25
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Simplify the following expression
shepuryov [24]
The Answer would be 2.8 because when you subtract -16 - 8 you get -24... then you divide that by 2 and you should have -12 + 25 / 5 + 1.... from there you can move the one from the end and add it to 25 and you get -12 + 26 / 5.... and all you have to do is simple math there... -12 + 26 = 14... and 14 / 5 == 2.8

ANSWER == 2.8

Hope that Helped
6 0
3 years ago
I need help with this ASAP!!!!
Yanka [14]

Answer:

20

Step-by-step explanation:

The distance between two points is found by

d = sqrt( ( x2-x1)^2+(y2-y1)^2

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  = sqrt( (16^2 + (-12 )^2)

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8 0
4 years ago
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Jobisdone [24]

Answer:

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Step-by-step explanation:

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4 0
2 years ago
(x-6)² + (x + 5)² = 16
Phoenix [80]

Answer:

answer A   : (2 -5)

Step-by-step explanation:

the midipoint P,Q is the center A of this circle (because PQ is a diameter)

use : (x-6)²+(x+5)² = 16 you have : A(6 , -5) now  let Q(x,y) :

 (x+10)/2 = 6

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x+10 = 12

y-5 = -10

so : x = 2 and y = - 5....answer A   : (2 -5)

6 0
3 years ago
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alexgriva [62]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
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