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liq [111]
3 years ago
13

Help please (show work please thanks)

Mathematics
1 answer:
madam [21]3 years ago
4 0
The least amount is 2 packs.
i know this becaus first i make a lcm chart which looks like this :
8: 8,16,24,32
12: 12,24
i then see that the lcm is 24 and 12+12 is 24 meaning that i will have to buy 2 packs of large plates.
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Given that X ~ N(120, 35). We survey samples of 25 and are interested in the distribution of X-bar. Find the z-score associated
lubasha [3.4K]

Answer:

Option c -2.8571

Step-by-step explanation:

z-score are calculated as

z=\frac{xbar-mean}{\frac{S.D}{\sqrt{n} } }.

We are given that mean=120 and standard deviation=S.D=35 as X~N(120,35).

Sample size=n=25.

We have to find z-score for x-bar=100. So,

z-score=[100-120]/[35/√25]

z-score=[-20]/[35/5]

z-score=-20/7

z-score=-2.8571.

Thus,  the z-score associated with x-bar = 100 is -2.8571.

8 0
3 years ago
Chloe needed to get her computer fixed. She took it to the repair store. The technician
CaHeK987 [17]

Answer:

he took $55.8for 1hr

Step-by-step explanation:

it's because we should devid eit for calculation for minute

3 0
3 years ago
Which term means 1/1000 decimeter, millimeter, kilometer, decameter
Nata [24]

Answer:

millimeter

Step-by-step explanation:

1/1000

8 0
3 years ago
PLEASE HELP! Will mark brainliest!
Stells [14]

Answer:

x = 4

Step-by-step explanation:

This is special right triangles  

For the triangle on the bottom, the shorter leg is x, the longer leg is x * √3, and the hypotenuse is x *2. This means that the shorter leg is 2 since you the longer leg is that side multiplied by √3. The hypotenuse is x *2, which is 2 * 2 which equals 4.

Now we have one side of the bigger triangle. This triangle is a 45-45-90 triangle, and the rule is that the two legs are x, and the hypotenuse is x *2. Since we found a leg and not the hypotenuse of the bigger triangle, and the two legs are congruent, that means x is 4.

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Find the sale price of the item. round to two decimal places in necessary.
monitta

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50.82

Step-by-step explanation:

5 0
3 years ago
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