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NeX [460]
4 years ago
13

Find x (Geometry) Full working out pls. Thank you

Mathematics
1 answer:
vichka [17]4 years ago
7 0

in 1st figure

2:1=(x+2):2

2/1=(x+2)/2

4=x+2

x=2.

Similarly in the 2nd figure

8:5=(8+3):(5+x)

8/5 = 11/ (5+x)

8(5+x) =55

40+8x=55

8x=15

x=15/8

x=1.875

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Felicia bought a jackhammer priced at $8.48. The total price, including sales tax, was $9.73. What was the sales tax percentage?
lys-0071 [83]

Answer:

14.7%

Step-by-step explanation:

GIVEN: Felicia bought a jackhammer priced at \$8.48. The total price, including sales tax, was \$9.73.

TO FIND: What was the sales tax percentage.

SOLUTION:

Price of jackhammer =\$8.48

Total price including sales tax =\$9.73

Total sales tax on jackhammer =9.73-8.48=\$1.25

Total sales tax percentage =\frac{1.25}{8.48}\times100=14.7\%

Hence the total sales tax percentage  on jackhammer is 14.7%

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