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Vaselesa [24]
2 years ago
5

Need help on 7-10 lol pls!!

Mathematics
1 answer:
Afina-wow [57]2 years ago
3 0

Answer:

sorry i dont know :(

Step-by-step explanation:

sorry :(

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For a certain online store, the distribution of number per hour is approximately normal with mean 1200 purchases and standard de
Advocard [28]

Answer: 16%

Step-by-step explanation:

When we have a normal distribution, the 100% of our sample will be placed in a "gaussian bell".

Where the middle of this bell coincides with the mean.

The mean, in this case, is 1200, and the standard deviation is 200.

In the image below you can see that between the points.

Mean + standard deviation and the end of the graph, we have:

13.5% + 2.35% + 0.15% = 16%

And particularly, if we want to know the percentage that exceed 1400, will be the same percentage above the mean plus the standard deviation.

mean = 1200

SD = 200

mean + standard deviation = 1200 + 200 = 1400.

Then the percentage that exceeds 1400 is equal to the percentage that we found above, then the correct option is C: 16%

5 0
3 years ago
I need help with this
PIT_PIT [208]
2x+8y
2x+8times2
2x+16
18x
Your final answer is 18x!
7 0
3 years ago
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A pharmacist is trying to stock the pharmacy with cheaper alternatives for customers. She will stop carrying the more expensive
Leno4ka [110]

Answer:

c. The caplet form is the most expensive

Step-by-step explanation:

A pharmacist is trying to determine which of the form is most expensive. These tablets form comes in 50 mg tablets and these tablet cost is 75.00 for 100 tablets. Capsule comes in 75 mg capsule and cost is 63. 75 for bottle of 85 capsules caplet comes in 100 mg.and 40 caplets are cost of $ 70.00.

Based on these information caplet form is most expensive

8 0
3 years ago
Read 2 more answers
Jared withdrew $5 from his savings account each month for 4 months. Write a multiplication expression for the total change in hi
Ugo [173]
5x4=the amount of change. His total change was $20
3 0
2 years ago
Dorian is spreading mulch on his triangular flowerbed. If the base is 8 feet and the height is 6 feet. How many square feet of m
katovenus [111]

Answer:

24 square feet

Step-by-step explanation:

Given:

Dorian is spreading mulch on his triangular flowerbed.

The base is 8 feet.

The height is 6 feet.

Question asked:

How many square feet of mulch will he need for the flowerbed?

Solution:

The base of  triangular flowerbed = 8 feet.

The height of  triangular flowerbed = 6 feet.

now, to find how many square feet of mulch he will need for the flowerbed, we will find area of the triangular flowerbed:-

As we know:

Area\ of\ triangle=\frac{1}{2} \times base\times height

                           =\frac{1}{2} \times8\times6\\\\ =\frac{48}{2} \\ \\ =24\ square\ feet

Thus, 24 square feet of mulch he will need for the flowerbed.

8 0
3 years ago
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