Answer:
6.861
Step-by-step explanation:
(0,2) because following the formula x,y, the 2 is the y, while the 0 is the x.
Answer: - $110
Step-by-step explanation: If Tyler is overdrawn at the bank it means that he has a negative balance. Tylers balance is -$180. If his brother has $70 more than him you need to add the two numbers together.
-$180 + $70 = -$110
Even though Tyler’s brother has more money than Tyler, his brother is still overdrawn by $110. (-$110)
Answer: Either 2, 5, or 8
This means the number 426 is divisible by 6. So are 456 and 486
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Explanation:
A number is divisible by 6 if both of the following are true
- The number is divisible by 2
- The number is divisible by 3
This is simply because 6 = 2*3. So if 6 is a factor of a number, then 2 and 3 must be factors.
- To have 2 be a factor, the units digit must be in the set {0,2,4,6,8} which is the case here (the units digit is 6 in this case). Therefore we know the number is a multiple of 2 regardless of what the other digits are.
- To have 3 be a factor, the digits must add up to a multiple of 3. Through trial and error, we see that 0 doesn't work because 4+0+6 = 10 which is <u>not</u> a multiple of 3. Same goes for 4+1+6 = 11, but 4+2+6 = 12 is a multiple of 3.
Therefore, 426 is a multiple of 6
Increment that middle digit 2 by 3 and we jump from 426 to 456. Those three digits add to a multiple of 3 as well (4+5+6 = 15). Following that line of logic, we go from 456 to 486 as the last possible three digit number that has these conditions of having 4 first and 6 last, and the number is a multiple of 6.
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In short,
The numbers 426 and 456 and 486 are all multiples of 6 since they are multiples of 2 and 3 at the same time.
So we could replace that middle digit with either 2, 5 or 8.
Answer:
5.7 + 2.5/10x ≥ 8
where x is the artistic score
Step-by-step explanation:
if the technical score is 7.6/10 = 76% of 75% = 0.57 out of 10.
there are still 2.5 more points that can be obtained, so the gymnast needs 8 - 5.7 = 2.3 out of 2.5 possible points
the inequality would be:
5.7 + 2.5/10x ≥ 8
where x is the artistic score
2.5/10x ≥ 8 - 5.7
2.5/10x ≥ 2.3
x ≥ (2.3 x 10) / 2.5
x ≥ 9.2
