3 years ago

50 points please help!!

Mathematics

2 answers:

igomit [66]3 years ago

8 0

I’m really not to sure sorry about that

o-na [289]3 years ago

8 0

I think

Hope this helps

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U 3 4

dlinn [17]

Answer: 50%

Step-by-step explanation:

I'm converting 7kg to grams to make it easier. So £10 = 7000g

£1 = 7000÷10 = 700g

700g÷2 = 350g and if you follow the ratios on top, she payed 50p per 350g

She sells a bag of 350g for 75p.

Percentage profit= $\frac{Change in cost}{original cost}$ × 100

75p - 50p = 25p = change in cost

Percentage profit= $\frac{25}{50}$ × 100

= 50%

6 0

4 years ago

Use the substitution method to solve the system of equations. Choose the correct ordered pair. x + 2y = 12 –x = –y – 6

OLga [1]

I hope B
$x+2y = 12 - x = - y - 6 = 7.1$

8 0

3 years ago

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-20 / 4/5 = ? PLZ ANSWER FAST

Murrr4er [49]

1 i believe hope this helped!

5 0

4 years ago

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80°<br> 11x - 8<br> solve for x

likoan [24]

Answer:

Step-by-step explanation:

11x - 8 = 80

11x = 88

x = 8

3 0

4 years ago

(4-3√3)(2-√3)???? (the question marks signal the gap between the question and then me starting to distribute)

katen-ka-za [31]

You have two binomials. I would just FOIL them:

First:   4 x 2 = 8

Outside: 4 (-√3) = -4√3

Inside:   -3√3 (2) = -6√3

Last:   -3√3 (-√3) = 9

Addummup: 8 - 4√3 - -6√3 + 9 = 17 - 10√3

6 0

3 years ago

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