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notka56 [123]
3 years ago
14

Share £60 in the ratio 1:4

Mathematics
1 answer:
Hitman42 [59]3 years ago
5 0

Answer:

Let one no. be 1x

other be 4x

x+4x=60

5x=60

x=12

4x=4×12

48

hope it helps :)

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-3y + 8x = 36<br> 6x + y = -21
tiny-mole [99]

Answer:

x=−27/26

and y=−192/13

Step-by-step explanation:

6x+y=−21;8x−3y=36

Step: Solve6x+y=−21for y:

6x+y=−21

6x+y+−6x=−21+−6x(Add -6x to both sides)

y=−6x−21

Step: Substitute−6x−21foryin8x−3y=36:

8x−3y=36

8x−3(−6x−21)=36

26x+63=36(Simplify both sides of the equation)

26x+63+−63=36+−63(Add -63 to both sides)

26x=−27

26x

26

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−27

26

(Divide both sides by 26)

7 0
3 years ago
The price of a product increased by $75, which was a 15% increase. What was the product's original price?
Leni [432]
75 x 15= 1,125
1,125/100=11.25
75-11.25= 63.75


6 0
3 years ago
Which condition must be satisfied in order to use the arc length formula L = the integral from a to b of sqrt(1 + f'(x)^2) dx?
ivanzaharov [21]
Looking through my old calc notes, I am reading that f(x) needs to be continuous on [a,b] and f ' (x) also needs to be continuous on [a,b]. Both conditions are needed. If you had to pick just one, then I'd say f(x) being continuous is much more important. Though I'm not 100% sure on this one. My thinking is that if there was any discontinuities on f(x), then the arc length would be distorted and overblown. The arc length should not account for any piece that isn't on the curve. 
6 0
3 years ago
WHOEVER ANWSERS THIS GETS 5 BUCKS PLZZZZZZZZ
Nostrana [21]
Lol I don’t understand that language
8 0
3 years ago
I don’t know what she did wrong I can’t find anything
Dovator [93]

Answer:

she subtracted the 5 instead of adding it

Step-by-step explanation:

3 0
3 years ago
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