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mihalych1998 [28]
3 years ago
7

( -3/4 + 4/3) + i =0 Show your work. (Please help)

Mathematics
2 answers:
JulijaS [17]3 years ago
8 0
I=-7/12 for this problem
Effectus [21]3 years ago
6 0

Answer:

i = -7/12

Step-by-step explanation:

(-3/4 + 4/3) + i = 0

(-9/12 + 16/12) + i = 0

7/12 + i = 0

i = -7/12

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2. A man buys eggs at 55kobo a score . he finds that 10% of the eggs are unsellable but sells the rest at 60kobo a dozen .find i
liubo4ka [24]

Answer:

Percentage Profit is 63.63%

Step-by-step explanation:

The man buys 440 eggs at 55 pence a score

i.e. he buys 20 eggs for 55 pence

He buys 1 egg for 55/20 = 2.75 pence

Therefore, he buys 440 eggs for = 440 × 2.75 = 1210 pence

10% eggs are unsaleable

thus he sold = 440 - 440 × 10/100 = 440 - 44 = 396 eggs

Eggs sold in dozen = 396/12 = 33

He sold 1 dozen for = 60 pence

Thus, he sold 33 dozen for = 33 × 60 = 1980 pence

Profit = 1980 - 1210 = 770 pence

% Profit = (770/1210) × 100 = 63.63%

(hope this helps can i plz have brainlist :D hehe)

3 0
3 years ago
Y=2x-1 and y=x-8 using substitution​
Vitek1552 [10]

Answer:

Step-by-step explanation:

y = 2x - 1

y = x - 8 ------ (i)

substitute y = 2x - 1 in equation (i)

2x - 1 = x - 8

2x = x - 8 + 1

2x = x - 7

2x - x = -7

x = -7

Substitute x value in equation (i)

y = -7 - 8

y = -15

7 0
3 years ago
QUICK PLS HELP
Lilit [14]

Answer:

Step-by-step explanation:

60% = 7.2/12

83% = 10/12

He improved by a supposed 23%

5 0
2 years ago
The number of pennies on square 64 is BLANK
Serga [27]

Answer:

Greater Than

Step-by-step explanation:

edge

3 0
3 years ago
Read 2 more answers
Which pairs of rectangles are similar polygons?
kobusy [5.1K]

the longer side / the shorter side must be the same for rectangles to be similar.

For  A:  105 / 80  =  1.32

For  B:  120 / 90  =  1.33

For  C:  100 / 75  =  1.47

 

So... only  A  and  B are similar.

3 0
3 years ago
Read 2 more answers
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