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3 years ago

Find the product of (x – a) and (x - b).

Mathematics

1 answer:

yawa3891 [41]3 years ago

6 0

(x−a)(x−b)

=(x+−a)(x+−b)

=(x)(x)+(x)(−b)+(−a)(x)+(−a)(−b)

=x2−bx−ax+ab

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Consider the figure below with circles R, C, and D below, where circle R and circle D are

MArishka [77]

Answer:

a) CA + ED = 74

Step-by-step explanation:

The complete question is attached in the image

Solution

Here the two circles R and D are congruent and thus their radius will be equal

Hence, RA (radius of circle R ) = DE (radius of circle D)

Hence, CA + ED = CA + 42

Also, RC = CD

CA = CE + RA = 32

So, CA + EO = 32 +42 = 74

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3 years ago

HELP PLEASEEEEEEEEEEEEEEEEEEEEEEEEE

umka21 [38]

Answer:

The solution set to the absolute value is:

$S = \{x \in \mathbb{R}| x \ge 0\}$ or $S = [0, +\infty)$

Negative real numbers are not included in the solution set, as for $x < 0$ , $|x| = - x$ .

Step-by-step explanation:

From Mathematics, we know that absolute values are defined by the following characteristics:

1) For $x \ge 0$ , $|x| = x$

2) For $x < 0$ , $|x| = - x$

Then, if $|x| = x$ , then the solution set to the absolute value is:

$S = \{x \in \mathbb{R}| x \ge 0\}$ or $S = [0, +\infty)$

Negative real numbers are not included in the solution set, as for $x < 0$ , $|x| = - x$ .

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3 years ago

The product of 0.6 and a number is 31.8 more than the number . Find the number

Kobotan [32]

0.6n = n + 31.8
0.6n - n = 31.8
-0.4n = 31.8
n = 31.8 / -0.4
n = -79.5

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3 years ago

Find the solution of this system of equations. Separate the x- and y-values with a comma. x + 6y = 23 and x - y = -5

Andrei [34K]

The answer is:
(-1, 4)

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Answer:

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2 years ago

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