The answer is 135 ......
Keegan deposited $700 into his bank account. After one year, his bank account balance was $761.60. What interest rate did he ear
1 answer:
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Step-by-step explanation:
1. Abbie's chance to place first is 12÷100 = 0.12
and Becca's chance to place second is 8÷100= 0.08
We can determine the probability that Abbie will place first and Becca will place second because ., Abbie gets more chance than Becca (0.12 -0.08 =0.04) to get first place
2. Danna's chance to place first is P(A) = 48÷100 = 0.48
Francine's chance to place second is P(B) = 32 ÷100 = 0.38
The probability that Danna or Francine wins the race is
= P(A or B) = P(A) +P(B) - P(A and B)
= 0.48 +0.32 - (0.48× 0.32)
= 0.8 - 0.15 = 0.65
3. Yes .,that Grace's probabilities were wrong Because Grace only informs about the winning chance of Abbie, Becca ,Danna,and Francine.
Grace gives 12% to Abbie and 48% to Danna ., in real Abbie won the first place ., so ., Grace's probabilities were wrong
Answer:
2) ABCD is a RECTANGLE.
Perimeter = 30 units
Step-by-step explanation:
Here, the given points of the quadrilateral are:
A(6, –4), B(11, –4), C(11, 6), D(6, 6)
Now, if P(a,b) and Q(c,d) are any two given points, then the distance between them is given by DISTANCE FORMULA as:
Use this to find the length of all 4 sides:
AB with coordinates A(6, –4), B(11, –4) is given as:
⇒ AB = 5 units
BC with coordinates B(11, –4), C(11, 6) is given as:
⇒ BC = 10 units
CD with coordinates C(11, 6), D(6, 6) is given as:
⇒ CD = 5 units
AD with coordinates A(6, –4),D(6, 6) is given as:
⇒ AD = 10 units
Now, here AB = CD = 5 units, AD = BC = 10 units
Also, in a RECTANGLE, OPPOSITE SIDES ARE EQUAL IN LENGTH.
Hence, ABCD is a RECTANGLE.
Perimeter = AB + BC+ CD + AD = 5 + 10 + 5 + 10 = 30 units