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e-lub [12.9K]
3 years ago
12

What is the factorization of x2+ 10x+21

Mathematics
1 answer:
Marta_Voda [28]3 years ago
7 0

Answer:

(x+7) (x+3)

Step-by-step explanation:

x times x equals x2

3x + 7x = 10x

7 x 3 = 21

(x+7) (x+3)


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1) Find the mean of the following numbers: 5, 11, 8, 8, 7, 4, 10, 9, 7, 7, 6​
SashulF [63]
Mean = 5+11+8+8+7+4+10+9+7+7+6 divided by the number of observations which is 10

Therefore, mean = 73/10
Mean = 7.3
4 0
3 years ago
Emilio keeps 92% of his trading cards in a binder.?
Leya [2.2K]
That means 8% of his trading cards are not in a binder. How we find this out is subtract 92% from 100%, and the remainder is how many he does not have in a binder, for whatever reason.
6 0
3 years ago
Beth is making a beanbag seat in the shape of a cube. Each side of the seat is 2 feet long. Beth needs to find the volume of the
valkas [14]

Answer:

4 bag's

Step-by-step explanation:

Given the bean bag made by beth is in the shape of cube with each side of the cube equal to 2 feet.

Now Also given that each bean bag holds 2 cubic feet of beans.

Let the number of bags of beans recquired are x

The total number of beans available are 2x cubic feet

Now the volume of the bean bag made by beth is

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4 0
3 years ago
What is the total number of relative maximum and minimum points of the function whose derivative for all x is given by f ‘ (x) =
Alexeev081 [22]

Answer:

There are in total 3 maximum and minimum points of f(x)

Step-by-step explanation:

To find the number of stationary points (maximum and minimum points) in any function (f(x)), we need to find for what values of x does the derivative of f(x) equal to 0.

mathematically, for how many values of x does f'(x) = 0

f'(x) = x(x-3)^2(x+1)^4

0 = x(x-3)^2(x+1)^4

since the factors can be separately solved we can write

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x= 0, \sqrt{(x-3)^2} = \sqrt{0}, \sqrt{(x+1)^4}=\sqrt{0}

x=0, (x-3)=0, (x+1)=0

x = 0, x = 3, x = -1

Since there are 3 answers of x for which f'(x) = 0, we can say that the there are a total of 3 stationary (maximum or minimum) points in f(x).

8 0
3 years ago
0.69 rounded to the nearest hundred
patriot [66]

Answer:

0.07   Locate and underline the hundredths place (6) then look at the digit to the right (9):

0.069

Step 2: In this case, the digit to the right (9) is 5 or above. So, we add 1 to the hundredths place (6). The digit(s) after the (6) are replaced by zeros (or dropped)

7 0
2 years ago
Read 2 more answers
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