The manufacturer of a certain engine treatment claims that if you add their product to your engine, it will be protected from excessive wear. An infomercial claims that a woman drove 6 hours without oil, thanks to the engine treatment. A magazine tested engines in which they added the treatment to the motor oil, ran the engines, drained the oil, and then determined the time until the engines seized. Complete parts (a) and (b) below. (a) Determine the null and alternative hypotheses that the magazine will test. H.: H, V (b) Both engines took exactly 12 minutes to seize. What conclusion might the magazine make based on this evidence? O A. The infomercial's claim is not true. O B. The infomercial's claim is true.

Q: 5. 8. 45°

A: Solve for value x

Q: 11 7. Evaluate

A:

Q: 11) 60

A: Here I am attaching image so that you understand each and every step.

Q: 10

A: To simplify 35+710.

Q: 5.1 #7

A: Given that                  A=60-1054-403-3502-425, λ=5

Q: 12 X-

A: The solution is given below

Q: Find lim (x,y)→(12,3) xy cos(x – 4y). OS 1. –36 2. 36 3. 3 4. 0

A:

Q: 10) 21 68

A: We know that tan θ=Opposite sideAdjacent sidetan(68)=x21

Q: 9) 60

A: The figure is

Q: 72

A: here we will find value of x ,

Q: 18 20

A:

Q: 6)270

A: Given data:   The given expression is 270/6.     The number 270 can be written as, 270=3×90=3×2×45

Q: Find the value of x.

A: This can be solved using geometry and trigonometry rule.

Q: 35 45

A: Given: we agr given a right triangle as shown in figure  To find out: As in labled diagram measure…

Q: 6. 5

A:

Q: 29 14

A: It's trigonometric question so I'm providing hand written solution for better understanding.

Q: 16) 34 59

A: The objective is to find the value of x

Q: 8) 16 15

A: Answer is below

Q: 15 17 9.

A: We have to find b

Q: Find the circumference of each circle. Leave your answer in terms of T.

A: The circumference of a circle with radius r is 2πr.

Q: 20) 14 X 4

A:

Q: Find the value of each variable.

A: The solution is:

Q: 5. 20 52

A:

Q: 4) 37 12

A:

Q: 2. tox²Sc.

A:

Q: 10 4 2.

A: Solution-

Q: {n fan c) (wp

A:

Q: 73

A:

Q: 30 40 8.

A:

Q: 14 19

A: To find :- x  Given :- Base = 14 , Hypotenuse = x ,               and θ= 49°   By using…

Q: 4. 19 4

A:

Q: 5) 23

A: To find The other side of the given figure.

Q: 3 19.21 11 11

A:

Q: 5) 45 6. y

A: We have to find x and y