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patriot [66]
4 years ago
14

I NEED THIS ANSWER FAST!!!!

Mathematics
1 answer:
PtichkaEL [24]4 years ago
5 0

Answer:

C I thinkkkkkkkkkkkkkkkkkk lol

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49x2 - 81 is an example of the difference of two
Shkiper50 [21]

Answer:

(4x + 3)(4x - 3) represents the factorization of a polynomial that was the difference of two squares as it is written as product of sum and difference of two numbers.

Step-by-step explanation:

Formulas are used to factorize the polynomials.

In the given question, we can see a difference of squares

the difference of squares can be factorized using the formula

a^2-b^2 = (a+b)(a-b)

Here a^2 and b^2 are squares and factorized as sum and difference of numbers.

So in the given options,

(4x + 3)(4x - 3) represents the factorization of a polynomial that was the difference of two squares as it is written as product of sum and difference of two numbers.

7 0
3 years ago
Q3. (Calculator)
Leni [432]

Answer:

Find attachment below

Step-by-step explanation:

Please mark as brainliest

5 0
3 years ago
On which number line do the letters represent −3 and +5?
pashok25 [27]

The answer is B

A number line from negative 8 to positive 8 in increments of 1, with only whole numbers that are multiples of 2 labeled. Place point P at the third tick mark to the left of 0. Put point Q at the fifth tick mark to the right of 0.

4 0
4 years ago
Read 2 more answers
Marc can wash the cars in 4 hours alone and Madison can wash the same cars in 2 hours alone how long would it take if they worke
skelet666 [1.2K]

Answer:

My answer 2 hour

Step-by-step explanation:

If whats-his-face can do it in 4 and girl can do it in 2 divide 4 and 2 and get 2.

Hope you get it right tell me if this is correct or not.

6 0
3 years ago
In a one-way ANOVA, the __________ is calculated by taking the squared difference between each person and their specific groups
guapka [62]

Answer:

In a one-way ANOVA, the SS_{within} is calculated by taking the squared difference between each person and their specific groups mean, while the SS_{between} is calculated by taking the squared difference between each group and the grand mean.

Step-by-step explanation:

The one-way analysis of variance (ANOVA) is used "to determine whether there are any statistically significant differences between the means of two or more independent groups".

The sum of squares is the sum of the square of variation, where variation is defined as the spread between each individual value and the mean.

If we assume that we have p groups and each gtoup have a size n_j then we have different sources of variation, the formulas related to the sum of squares are:

SS_{total}=\sum_{j=1}^{p} \sum_{i=1}^{n_j} (x_{ij}-\bar x)^2

A measure of total variation.

SS_{between}=\sum_{j=1}^{p} n_j (\bar x_{j}-\bar x)^2

A measure of variation between each group and the grand mean.

SS_{within}=\sum_{j=1}^{p} \sum_{i=1}^{n_j} (x_{ij}-\bar x_j)^2

A measure of variation between each person and their specific groups mean.

8 0
3 years ago
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