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REY [17]
3 years ago
12

What is half of 18 !!!

Mathematics
1 answer:
skelet666 [1.2K]3 years ago
5 0

Answer:

9

Step-by-step explanation:

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Michael wanted to buy 7 pizzas. He used a coupon for $4 off the entire order. Let p represent the cost of 1 pizza. Which express
sergij07 [2.7K]

Answer:

D: 7p - 4

Step-by-step explanation:

If we have 7 pizzas and each one is worth p 7p would equal the cost of all seven. Then subtract 4 from the total.

3 0
3 years ago
The mean housing price for an area is $135,000 with a standard of $45,000 but is not normally distributed. According to the Cent
kramer

Answer:

A sample size greater than 30

Step-by-step explanation: The central limit theorem proffers the conditions necessary to obtain a normal or bell shaped distribution. It defines normal distribution in terms of mean, standard deviation and sample size. The sample size is a very important factor in determining the shape of a distribution.

Thus with a population having mean and standard deviation stated, in other to make use of or assume normal distribution, the sample size must be large. According tho the central limit theorem, a size of greater than 30 is deemed to be large enough. As the Same size increases, the sample mean converges to the value of the population mean.

7 0
3 years ago
Pleasee helppp fastt
Phoenix [80]
Not sure if this is how your teacher wants it, but here is how I would approach it in high school geometry:

To find the area of a rectangle, you need the base and the height.

The radius is 28 mm however the radius only covers half of one circle. Multiply 28 by 2 to get the length of one circle (56) and multiply 56 by 2 to get the length of your base of your rectangle (112).

Now to find the height: the center of the circles creates an equilateral triangle with the side length of 2r or 56 in this case. This means each angle of that triangle is 60 degrees, and when split in half, this creates two triangles both with angles of 30, 60, and 90. The altitude of this triangle is r√3 because of the “special right triangle rule” or 28√3 in this case. This comes to 48.497 mm. To find the remaining length of the height, you can use the radii of the top and bottom circle which add to 56. Add this to the previous number. So...

Height: 104.497
Base: 112

Now multiply the base times height to get:

216.497 mm.

Hope that helps!
6 0
4 years ago
What is the tenth term of the sequence 1/2, 3/4, 5/6, 7/8, 9/10,?
Verdich [7]
11/12 i believe that is the answer

3 0
3 years ago
Ms. Salgado needs to have her car repaired but does not want to spend more than $375 for the repairs. The mechanic says that the
elixir [45]

Answer:

The mechanic will need to finish in 4 hours.

Step-by-step explanation:

100+40=140

40+40=80

40+40=80

40

140 +80 + 80+ 40= 340

8 0
3 years ago
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