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inessss [21]
3 years ago
12

Mr. Gomez wants to put a ceramic tile border along all four sides of his kitchen wall.Mr. Gomez has measured and knows he needs

enough tiles to make three rows with twenty-seven tiles in each row on each of his four walls.How many tiles does Mr.Gomez need to make the border?Tiles are sold in boxes with twelve tiles in each box.How many boxes of tiles does Mr.Gomez need to buy?
Mathematics
1 answer:
Step2247 [10]3 years ago
4 0
Your answer is 27 boxes of tiles
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Assume that the random variable X is normally distributed, with mean ? = 50 and standard deviation ? = 7. Compute the following
sineoko [7]

Answer:

Step-by-step explanation:

Given that  the random variable X is normally distributed, with

mean  = 50 and standard deviation  = 7.

Then we have z= \frac{x-50}{7} is N(0,1)

Using this and normal table we find that

a) P(56

b) When z=0.02

we get

x=50+0.02(7)=50.14

c) 90th percentile z value =1.645

90th percentile of X =50+7(1.645)\\= 50+11.515\\=61.515

4 0
3 years ago
PLZZ I need hel if i dont get this done im stuck in the house for a 3 day weekend
Y_Kistochka [10]

Answer:

second one is p^3

Step-by-step explanation:

p^2 is p * p so multiplying another p is p^3

8 0
2 years ago
(1 + 7m)(4) what is it simplified
jek_recluse [69]
Answer
4+21m
Explanation
Use the distributive property 4 times 1 and 4 times 7m keep the m
4 0
3 years ago
The math department needs to buy new textbooks and laptops for the computer science classroom. The textbooks cost $116.00 each,
Sav [38]

Answer:

6 laptops

Step-by-step explanation:

First, find the amount spent on the textbooks:

30(116)

= 3480

Subtract this from the total amount they have to spend:

6500 - 3480

= 3020

Divide this amount by 439 to find how many laptops they can buy:

3020/439

= 6.8

Round down to 6 since you can only have full laptops:

= 6

So, they can buy 6 laptops

6 0
3 years ago
At 6 a.m. the temperature was 18oF. By noon it had risen to 36oF. A student claimed that it was then "twice as warm" as it was a
mart [117]
Yes, 18 x 2 + 36, therefore the student was correct

4 0
3 years ago
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