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saveliy_v [14]
3 years ago
7

Hey:) can you please help me posted picture of question

Mathematics
2 answers:
irina1246 [14]3 years ago
7 0
Use F.O.I.L (first, outer, inner, last)
(x-3)(x-7)
x^2*-7x*-3x*21
simplify
x^2-10x+21
juin [17]3 years ago
4 0
Answer:
x² - 10x + 21

Explanation:
To answer this question, we will simply multiply each term from the first bracket by each term from the second and then combine like terms to get the final expression.

This can be done as follows:
(x - 3)(x - 7)
x(x) + x(-7) -3(x) -3(-7)
x² - 7x - 3x + 21
x² - 10x + 21

Hope this helps :)
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Are Functions 1 and 2 the same? Explain. Function 1: y = 3(x + 5) Function 2: y equals three times x, plus 5.
Molodets [167]

Answer:

No, the functions are not the same.

Step-by-step explanation:

For function one you have to distribute the three to the x and the five which would give you a function of 3x+15.

This will result in different y-intercepts function one's why being 15 and function's two y-intercept being 5. Though the will have the same slope they are two different functions.

7 0
3 years ago
the walters backyard pool is rectangular the pool measures 10 feet long and 8 feet wide. If the length of the backyard is 35 fee
Vlad1618 [11]

Answer:28

Step-by-step explanation:

10×

5 0
3 years ago
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Can someone please help me?!?
allsm [11]

Answer:

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Step-by-step explanation:

5 0
2 years ago
Based on the pattern in the table what is the value of A
Arlecino [84]
Answer D, 1/64

The denominator has a pattern , if you look through it carefully each denominator is multiply by 2. There for you multiply 32 x 2 which gives you 64 so it’s 1/64. If you wanna confirm it , you could use a calculator to check your answer.


5 0
3 years ago
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How many different seven-letter sequences can be formed from the letters a, a, a, a, a, b, c?
Kaylis [27]

If b is in the first position then c can be in any 1 of the remaining 6 positions.

If we start with ab then the letter c can be in any one of 5 positions and  if we have aab there are 4 possible positions for c and so on.

So the total number of possible sequences where b comes first = 6+5+4+3+2+1 =  21.

The same argument applies when c comes before b  so that gives us 21 ways also.

So the answer is 2 *21 = 42 different sequences.

A more direct way of doing  this  is to use factorials:-

answer = 7! / 5!     =  7 * 6 = 42.

 ( We divide by 5!   because of the 5 a's.)

4 0
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