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soldier1979 [14.2K]
3 years ago
7

a mechanist must cut 12 strips of metal that are each 2 ft 4

ula1" title="\frac{7}{8}" alt="\frac{7}{8}" align="absmiddle" class="latex-formula"> What is the total length in inches?
Mathematics
1 answer:
DedPeter [7]3 years ago
3 0
346.5 inches

28 7/8 x 12

In real world at least 348 inches of stock to allow for material lost due to blade width. Machinist wising a band saw
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A random sample of 450 vacationers in a huge luxury resort showed that 150 were business executives. We want to create a 95% con
Zolol [24]

Answer:

p(s) = 0,33

Step-by-step explanation:

n = 450

p₀ = 150/450       p₀ = 0,33      then    q₀  = 0,67

n*p₀ = 0,33*450  =  150

n*q₀  = 0,67*450 = 301

n*p₀  and n*q₀   more than 10, we can approximate  the binomial to a Normal Distribution Distribution

a) p - p₀  = z(c) * √ (p₀q₀)/n

z(c) =  ??

CI   95 %    then α = 5 %    α = 0,05      α/2 = 0,025

z(c) = 1,96

p  =  p₀  ±  z(c) * √ (p₀q₀)/n

p  = 0,33 ± 1,96 * 0,022

p =  (  0,33 - 0,04 ;  0,33 +  0,04

p = ( 0,29  ; 0,37 )

The value of the center of the confidence Interval is 0,33

p(s) = 0,33

7 0
3 years ago
This diagram of airport runway intersections shows two parallel runways. A taxi way crosses both runways. How are 6 and 2 relate
balu736 [363]
Answer: A) Corresponding Angles

Refer to the diagram below.
Two angles are corresponding to each other when they are on the same line that crosses two parallel lines, one angle is inside the parallel lines, the other is on the outside.

5 0
3 years ago
Perform the indicated operation. Show all necessary work. a -2-(-9) b -2 -9 c -2- (-9)-(-2
aksik [14]

Answer:

a=7 b=11 c=9

Step-by-step explanation:

-2-(9)      -2-(9) = -2+9=7 b -2-9=-11 c -2-(-9)-(-2) = -2+9+2=9

7 0
3 years ago
Read 2 more answers
A baseball tournament begins with 128 teams. After each round of games , only half of the teams are left. How many teams will be
Zanzabum

Answer:

128/2=64/2=32

Step-by-step explanation:

you really need a help with that ? you don't know how to divide by 2 ? and then to divide the result another time by 2 ?

not to mention that you could achieve that with in division by 4 (as this is the save as dividing by 2 and then again by 2).

putting such questions in here is a farce and a waste of time for the helping people.

3 0
3 years ago
Read 2 more answers
TO BE ANSERED ASAP<br> If n = 4, then 9ˆ8 ÷ 9 n is equal to__________________.
natita [175]

Answer:

1,195,742.25 (final answer since instructions did not include rounding up or anything)

Step-by-step explanation:

n = 4

The given expression is:

9^8 ÷ 9n

USE PEMDAS order of operations and solve:

9^8 ÷ 9n

= 43046721 ÷ 9n

Substitue n with 4 and solve:

43046721 ÷ 9(4)

= 43046721 ÷ 36

= 1,195,742.25

8 0
3 years ago
Read 2 more answers
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