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erica [24]
3 years ago
5

Evaluate the expression 3p – 2q + 6 when p = 8 and q = -2

Mathematics
1 answer:
Yuliya22 [10]3 years ago
3 0

Answer:

34

Step-by-step explanation:

substitute

3(8)-2(-2)+6

dsitribute

24+4+6

add

34

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What is the surface area of a sphere with a radius of 19 units?
almond37 [142]

Hope this helps. Please mark brainliest if it did

Answer: 4536.46

5 0
2 years ago
The thickness of a flange on an aircraft component is uniformly distributed between 0.95 and 1.05 millimeters. (a) Determine the
maxonik [38]

Answer:

a) 0.5 = 50% of flanges exceed 1 millimeter.

b) A thickness of 0.96 millimeters is exceeded by 90% of the flanges

Step-by-step explanation:

A distribution is called uniform if each outcome has the same probability of happening.

The uniform distributon has two bounds, a and b, and the probability of finding a value higher than x is given by:

P(X > x) = \frac{b - x}{b - a}

The thickness of a flange on an aircraft component is uniformly distributed between 0.95 and 1.05 millimeters.

This means that a = 0.95, b = 1.05

(a) Determine the proportion of flanges that exceeds 1.00 millimeters.

P(X > 1) = \frac{1.05 - 1}{1.05 - 0.95} = \frac{0.05}{0.1} = 0.5

0.5 = 50% of flanges exceed 1 millimeter.

(b) What thickness is exceeded by 90% of the flanges?

This is x for which:

P(X > x) = 0.9

So

\frac{1.05 - x}{1.05 - 0.95} = 0.9

1.05 - x = 0.9*0.1

x = 1.05 - 0.9*0.1

x = 0.96

A thickness of 0.96 millimeters is exceeded by 90% of the flanges

4 0
3 years ago
Ok, You are lucky if you see this but here is a free story on the differences between Sicopaths and sociopaths so yeah.
Nataliya [291]
I’m not sure, good observation though!
4 0
3 years ago
Read 2 more answers
*HELP PLEASE*<br> will get BRAINLIEST answer
sashaice [31]

The first table is proportional. Y is 4 times X. The second table is 1.25 times X

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3 years ago
A penguin walks 10 feet in 6 seconds. At this speed:
AlexFokin [52]

Answer:

1. 75 feet

2. 27 seconds

Step-by-step explanation:

1. If six seconds is equal  to 10 feet that means that 42 seconds is equal to 70 feet (6 X 7 = 42) It also means that 3 seconds is equal to 5 feet. (42 + 3 = 45)

2. If 6 seconds is 10 feet, then 6 X 4 is 40 feet (24) And since 5 feet is equal to   3 seconds then we get 24 + 3 = 27

7 0
3 years ago
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