A machine needs 2 of its gears replaced. You find 2 gears, one manufactured 5 years ago and the other manufactured 10 years ago. The specifications sheet says that the chance of failure is 5% after 5 years and increases to 8% after 10 years. If the gears on the machine are in no way linked to each other, what are the chances that both will fail? Answer in % form.If someone could show me the steps I would really appreciate it! Thanks!!!

Answers

Answer 1
Answer: Probability that gear 1 will fail = 5/100 (upto 10 years) 
and 8/100 (after 10 years)

Probability that both will fail = 5/100 * 8/100
= 40/10000
= 0.4 %

Answer 2
Answer:

Answer:

0.4%.

Step-by-step explanation:

If the gears on the machine are not linked to each other, the probability that both replacement gears will fail is 0.4%.


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Which of the following is true of a rectangle?It is also a square.
The sum of its angle measures is 360°.
It has four congruent angles.
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Answers

The answer would be The sum of its angle measure is 360. Hopes this helps!!

Which one is smaller than 2500ml and 25ml

Answers

25 ml is smaller than 2500 ml

1.What is the value of the expression? 12+6*2
-----------
18-3*5

2.What is the value of the expression when a = 6, b = 4, and c = 8?
2a
------
3b-c

3.What is the value of the expression when a = 6 and b = 4?
14a- 2(3b + 4)


4.Which word phrases can be modeled by the expression?

4n + 5

Choose exactly two answers that are correct.

A.
five added to the quotient of 4 and a number

B.
the product of 4 and a number increased by 5

C.
four times the sum of a number and 5

D.
five more than the result of multiplying 4 by a number

5.Which variable expression represents the word phrase?

seven decreased by the sum of a number and four

A.
7 – (m + 4)

B.
(m + 4) – 7

C.
7 – (m – 4)

D.
7 – m + 4

Answers

1. Answer=8
(12+6*2)/(8-3*5)=(12+12)/(18-15)=(24)/(3)=8

2.Answer=3
(2*6)/(3*4-8)=12/(12-8)=12/4=3

3.Answer=52
14*6-2(3*4+4)=84-2(12+4)=84-2(16)=84-32=52

4.Answer=A&B

5.Answer=A

Answer:

The answer is d

Step-by-step explanation:


Write 2 eggs is to 3 cups of flour as 12 eggs is to 18 cups of flour as a proportion.A. 2 eggs / 3 cups of flour = 12 eggs / 18 cups of flour.
B. 3 eggs / 2 cups of flour = 12 eggs / 18 cups of flour.
C. 2 eggs / 3 cups of flour = 18 cups of flour / 12 eggs.
D. 3 eggs / 12 cups of flour = 32 eggs / 18 cups of flour.

Answers

The answer is A. 2 eggs / 3 cups of flour = 12 eggs / 18 cups of flour because 2 x 18 = 3 x 12 = 36.

What is the area of a circle with a radius of 1 foot?

Answers

Answer:

3.14 ft² or 2,917 cm²

Step-by-step explanation:

To do this, we need to know the expression to calculate the area of a circle.

The area of any circle is:

A = πr²

Where:

π: value of pi, which is 3.14

r: radius of the circle, in this case 1 ft

Calculating the area in units of ft:

A = 3.14 * (1)²

A = 3.14 ft²

Now, if you convert the foot to cm we have:

1 * 30.48 = 30.48 cm

Solvinf for A:

A = 3.14 * (30.48)²

A = 2,917.15 cm²

Answer:

Pi feet squared

Step-by-step explanation:

write the slope intercept equation for the line that passes through (-8,11) and is perpendicular t 2x -7y=14

Answers

General\ formula:\ny=ax+b\n\n2x-7y=14\n-7y=14-2x\ny=(2)/(7)x-2\n\nLine\ is\ perpendicular when\ a=-(7)/(2)\ny=-(7)/(2)x+b\n\nPasses\ through\ (-8,11):\n11=(-(7)/(2))*(-8)}+b\n11-28=b\nb=-17\n\ny=(7)/(2)-17