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Nostrana [21]
2 years ago
6

When Ricardo was 9 years old, he was 56 inches tall. By age 12, he had increased his

Mathematics
1 answer:
Schach [20]2 years ago
6 0

Answer:

He is 62.72 inches tall now

Step-by-step explanation:

the twelve over 100 is the percentage, he increased by 12 percent. and the x over 56 is the new value (x) over the old value. We get 6.72 so we add that to 56 to get 62.72.

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Softa [21]

x=-4, -14

Hope this helped! :T

7 0
2 years ago
Orignal price $30 markdown 26%​
fredd [130]

Answer:

22.2

Step-by-step explanation:

30 x .26

7.8

30 - 7.8

22.2

5 0
3 years ago
6+[11-{10+2-(8 of 2+1-3×4) }]
Vesna [10]

Answer:

17

Step-by-step explanation:

Step-by-step explanation:

6+[11-{10+2-(8×2+1-3×4)}]

6+[11-{10+2-(8×2+1-3×4)}]6+[11-{10+2-(12)}

6+[11-{10+2-(8×2+1-3×4)}]6+[11-{10+2-(12)} ]6+[11-[10+2-12}]

6+[11-{10+2-(8×2+1-3×4)}]6+[11-{10+2-(12)} ]6+[11-{10+2-12}]6+[11-{0}]

6+[11-0]

6+[11]

6+11

17 Ans.

7 0
2 years ago
Giselle works as a carpenter and as a blacksmith. She earns \$20$20dollar sign, 20 per hour as a carpenter and \$25$25dollar sig
Pani-rosa [81]

She earns 20 dollars as a carpenter and 25 dollars as a blacksmith

b+c=30 hours since she works 30 hours a week

25b+20c=690 since she earns 690 dollar totally and earns 25 dollars an hour as a blacksmith and 20 dollars an hour as a carpenter

lets multiply b+c=30 by -20

-20b-20c=-600

if we substract that from

25b+20c=690

5b=90

b=18 she worked as a blacksmith for 18 hours

4 0
3 years ago
A salesman is offered two deals from his boss. Option A is a salary and commission. You will make $300 and a 4% commission. Opti
mel-nik [20]

Answer:

option A

Step-by-step explanation:

goal is short one

3 0
2 years ago
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