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aalyn [17]
2 years ago
13

Efectúa la siguientes operaciones 3254+535​

Mathematics
1 answer:
fredd [130]2 years ago
3 0

Answer:

3789

Step-by-step explanation:

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The systolic blood pressure (given in millimeters) of males has an approximately normal distribution with mean μ = 122 and stand
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Evelyn and Tia are having a bake sale. They have 453 cookies. Each box holds 12 cookies. How many boxes do they need?
balu736 [363]

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4 0
3 years ago
How to solve this problem?
valentinak56 [21]

Very nice handwriting but the math and English are confusing.

Let's assume we're told

\displaystyle 45 = \sum_{i=1}^9 (x_i - 10)^2

The subscript is important.

I think we're told the similar sum with 11 gives the smallest possible value for the sum. This is a rather cagey way of telling us 11 is the mean of the nine points. The mean is the number which minimizes the sum of squared deviations.

\displaystyle 45 = \sum_{i=1}^9 (x_i - 10)^2 = \sum x_i^2 - 20 \sum x_i + 9(100)

\displaystyle  \sum x_i^2=  20 \sum x_i  - 900

If 11 is the mean, the sum of the points is 9(11)=99.

\displaystyle  \sum x_i^2=  20 (99)  - 900 = 1080

Answer: 1080

6 0
3 years ago
What is the AOS of y=x^2+8x+12
Advocard [28]

Answer:

(x+6)(x+2)

Step-by-step explanation:

6 0
3 years ago
What is the area of this? Use the picture. Use 3 for pi. Do not answer in a file please, I cannot read it.
yKpoI14uk [10]

Given:

length = 32

Width = 24

Total area the botancial is:

\begin{gathered} \text{Area}=\text{length}\times width \\ \text{Area}=32\times24 \\ =768 \end{gathered}

Shaded region area is:

length of first region

3 0
1 year ago
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