Answer:
a) 2,350,000,000
b) 25,000,000
c) B
Step-by-step explanation:
a) 2350 X 1,000,000 = 2,350,000,000
b) 25 X 10^6 = 25,000,000
c) sqrt(90000) =300
Answer:
A) To solve the ratio, cross multiply then divide.
B)
A / 5/8 = 3/5 / 2/3
Cross multiply:
(5/8 x 3/5) =( A x 2/3)
3/8 = 2/3A
Divide both sides by 2/3:
A = 3/8 /2/3
A = 3/8 x 3/2
A = 9/16
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❖ The train's speed was 130 mph.
Divide:
390 ÷ 3 = 130
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Answer: 4 Rules
Step-by-step explanation:
To add integers having the same sign, keep the same sign and add the absolute value of each number. To add integers with different signs, keep the sign of the number with the largest absolute value and subtract the smallest absolute value from the largest. Subtract an integer by adding its opposite.
Kira did because by the time she walked for 45 minutes, she would be above 2 miles