In a study of the tooth-brushing habits of a large number of dental patients, it was observed that time spent brushing teeth each day was Normally distributed, with a mean of 230 seconds and a standard deviation of 20 seconds. A patient who spends 196 seconds brushing their teeth each day is at the percentile in this distribution. 8.08 4.46 27.42 42.07 11.51

Q: m³ ² m² 771 A) m10 26 B mx? 211 p2 D m² x²

A: m5 ●x2 ●m4 / m2 = m9 ● x2 / m2

Q: 5) Determine the value of the missing section: 3 16 ?

A:

Q: 31 a. Solve

A: To solve 12+32+-34

Q: 8) n +3n - 12 = 6

A: Given equation, n2+3n-12=6

Q: 9. Solve. a) 4+6(4 *)= 5 b) 2(5) + 2(5) = 4

A:

Q: Can you help?

A: In the triangle ABC , we know all the sides.  We have to find angle C=?

Q: 5) 45° y 6.

A:

Q: 2) 3x+3 10 9,

A: As per the bartleby guideline I have to solve only first question of multiple question if not…

Q: Find m PSR

A: Given,            The figure is shown below :

Q: f xe"; f C1)

A: Consider the given function as fx=xex

Q: 42 12) 1. +2

A: We have to solve the system of linear equations.

Q: Given A= 7 2 80 and B= - 2 3 find: a) A+B, b) A-B, c) 2A+5B

A: We need to find out the values as given.

Q: 114 19

A:

Q: 4) 45

A: The length of the side AB=32 units. An angle m∠A=45∘ The objective is to find the value of 'x'.

Q: ydy 4) 5) 5-y

A: (4) Let I=∫-1071-ydy. We can rewrite this integral as the following. I=∫-1071·7-ydy=7∫-107-ydy Use…

Q: ५हीकटिकप्रेट %3D (ट+ प्ढ़ी-धा

A: Solution  Given13 - (2n+2) = 2(n+2) + 3n=> 13 - 2n - 2 = 2n + 4 +3n

Q: 1) 8C3 1) 2) 6P4 2)

A: We have given two problems of combinations and permutations. We have to find the value of the given…

Q: 2k 5) 9k 2cs 6) 7c's

A: To solving the power of 5 and 6

Q: Cx-3) Gょ2)tG3)

A:

Q: Compute A B, where A = AB= -5 6 -5 0 and B = 6 7 2 9

A:

Q: 16) 93

A: Explanation of the solution is given below...

Q: Could you please do C) as well

A: A 26 foot ladder is lowered down a vertical wall at a rate of 3 feet per minute. The base of the…

Q: 5) Perform the indicated operations, giuen A = 231 B= 2 1 ans (B+C) A

A:

Q: 16) 93

A: Given,

Q: 1 (b) (r² + m)²

A:

Q: 1.) 4D4 + 20D³ +35D² +25D+6)y=0

A: Given differential equation: 4D4+20D3+35D2+25D+6y=0To find: General solution.

Q: 20) 5V80a? 22) -8V24k

A: Given query is to simplify the redicals.

Q: T1.3 An ice hockey team has 6 forwards, 8 defencemen,  and 2 goaltenders. a) In how many ways can…

A: Given that, An ice hockey team has 6 forwards, 8 defencemen,  and 2 goaltenders. Calculation Part:…

Q: 8)능(x+ 27)-극(x-3) -x*5 -3)%3Dx+5 81 A), B

A: Solving by separation of x we have

Q: 4813 13

A:

Q: 12 189 :- 245 500

A:

Q: 56 C-16)

A:

Q: (2xº)²

A: Given the expression=x(2x0)2

Q: C. In the picture, prove that a(a+b)=c(c+d). a

A: Given : To prove : aa+b=cc+d

Q: 14) 121°

A:

Q: Find the value of n(A U B) if n(A) = 8, n(B) = 13 and n(A n B) = 6. n(AUB) (Type a whole number.) =

A:

Q: а.) у 2 2х- 6

A:

Q: 1+x dr 1+ x?

A:

Q: 11 17 A c.) Find LC 18

A: This question can be solved using properties of triangle.