Answer:
650 Country A Dollars
Step-by-step explanation:
1 Country B Dollar = 1.3 Country A Dollar
Country A Dollars for 500 Country B Dollars = 500 x 1.3 = 650
Answer:
R, in beats per minute, can be approximated by the formulas, where a represents the person's age.
where R= 143 - 0.65a for women.... (1)
and R= 165 - 0.75a for men,..... (2)
So by implementing these two equation we get a = 40
So the age will be 40 years old
know more about “Mathematical Equation” here: brainly.com/question/1214333
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2/21or ethier 2/7 tht will be the answer maybe.
Answer:
7
Step-by-step explanation:
-3 + 3 = 0
0 + 4 = 4
4 + 3 = 7
This is a combination of 20 studants, 6 to 6:
