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Reika [66]
3 years ago
12

Plz help me answer these two questions instantly and plz explain thx

Mathematics
1 answer:
Inessa05 [86]3 years ago
6 0
5. A
6. No, 1/5(25x+15)-7x= -2x+3
-2(x-5)= -2x+10
-2x+3 is not equal to -2x+10
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Weekly demand for a particular item averages 30 units, with a standard deviation of 4. This item is managed with a fixed-order-i
bezimeni [28]

Answer:  93 units should be ordered.

Step-by-step explanation:

Since we have given that

Standard deviation = 4

Average = 30 units

Number of weeks in order interval = 3

Desired service level = 97.5%

Number of units on hand = n = 43

So, the expected  value would be

E[x]=30\times (3+1)+1.96\times 4\sqrt{3+1}-43\\\\E[x]=30\times 4+1.96\times 4\times 2-43\\\\E[x]=120+15.68-43\\\\E[x]=92.68\approx 93

Hence, 93 units should be ordered.

5 0
3 years ago
Pete began practicing his trumpet at fifteen minutes past three write this time using a.M or p.M
densk [106]

Answer:

3:15 PM.

Step-by-step explanation:

If it is already 3:00 and you add 15 to the 2 empty 00's it will add up to 15. Hope this helps!

5 0
3 years ago
Which equation illustrates the commutative property of addition?
Stels [109]
I believe the first one 12+ 6 + 15 = 12 + 15 + 6 is your answer, since you are just moving things around

hope this helps
7 0
4 years ago
Read 2 more answers
What is the area of a triangular base?
goblinko [34]

Answer:

Step-by-step explanation:

A triangular prism has a triangular base. Finding a triangle's area requires two known quantities: base, labeled b, and height, labeled h. Base is the length of one of the triangle's sides, height is the distance from that side to the opposite corner of the triangle.

6 0
3 years ago
Read 2 more answers
Graph y= - |x-3| +4
Julli [10]

Answer:

x-1 y-2

x-2 y-2

x-3 y-4

Step-by-step explanation:

graph the points. It should look like a triangle without the bottom.

7 0
3 years ago
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