Mathematics, 22.08.2019 21:50 DarlingtonQueen

Can someone answer these questions for me by the end of the night? would be really if you could show the workings out aswell. you xo

Can someone answer these questions for me by the end of the night? would be really if you could sh

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Answer from: micahwilkerson8344

1) packet contains 750 grams plus 20% extra cereal.
750 grams is 100%. Add 20% = 120%
750 grams * 120% = 900 grams total.

2) Jenny's salary 27,500. Salary increased by 3%.
27,500 is 100%. Add 3% increase = 103%
27,500 x 103% = 28,325 new salary

3) Old ticket price 77. Price increased by 11%
77 is 100%. Add 11% increase = 111%
77 x 111% = 85.47 new ticket price

4) Original price 795. Price reduction 12%
795 is 100%. Deduct 12% reduction = 88%
795 x 88% = 699.60 new price

5) Car battery cost 58. plus VAT at 17 1/2%
58 is 100%. Add 17 1/2 % = 117 1/2%
58 x 117 1/2% = 68.15 Total bill

6) telephone bill 66. plus VAT at 17 1/2%
66 is 100%. Add 17 1/2 %
66 x 117 1/2% = 77.55 total bill

7) Lisa investment 3500. Interest rate 3.5%. term 1 year.
S.I. = 3,500 x 3.5% x 1year
S.I. = 122.50 interest for the year
Total amount at year-end = 3500 + 122.50 = 3,622.50

8) Principal = 2500, interest rate = 4% , term = 3 years.
Needed total value after one year.
S.I. = 2500 x 4% x 1 year
S.I. = 100 interest for the year.
Total value after one year = 2500 + 100 = 2600

9) Value of car = 9000, depreciation rate = 10%
9000 is 100%, less depreciation 10% = 90%
9000 x 90% = 8100 end of year value

10) normal price 1.85. reduced by 25%
1.85 is 100% less 25% = 75%
1.85 x 75% = 1.3875 rounded to 1.39

11) Normal price is 100%, reduced by 15%. Sales price is 85%
a) drill: 60 x 85% = 51.00
b) lawnmower: 190 x 85% = 161.50
c) tin of paint: 12 x 85% = 10.20

Answer from: Quest

Letter b hope it
Consider this right triangle. select all trigonometric functions that are equivalent to the ratio x/

Answer from: Quest

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

$\frac{1}{4}=\frac{x}{5}\\\\x=\frac{4}{5}\\\\x=0.8$

hence, first option 'a' is correct.

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