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sattari [20]
3 years ago
7

Find the product of (x − 7)^2. Basically Simplify It

Mathematics
1 answer:
Viktor [21]3 years ago
8 0

Answer:

<h2>(x - 7)² = x² - 14x + 49</h2>

Step-by-step explanation:

\bold{METHOD\ 1:}\\\\\text{Use}\ (a-b)^2=a^2-2ab+b^2\\\\(x-7)^2=x^2-2(x)(7)+7^2=x^2-14x+49\\\\\bold{METHOD\ 2:}\\\\\text{We know:}\ a^2=a\cdot a\\\\(x-7)^2=(x-7)(x-7)\\\\\text{Use FOIL:}\ (a+b)(c+d)=ac+ad+bc+bd\\\\=(x)(x)+(x)(-7)+(-7)(x)+(-7)(-7)\\\\=x^2-7x-7x+49\qquad\text{combine like terms}\\\\=x^2-14x+49

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The amount Sandy earns from babysitting is proportional to the number of hours she works. The graph represents this proportional relationship.

Step-by-step explanation:

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3 years ago
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vovikov84 [41]

Answer:

y = -x + 6

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Step-by-step explanation:

slope of function in table is -2

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3 years ago
A piece of property lies between two parallel streets as shown. m&lt;1=(2x+6)°,and m&lt;2=(3x+9)°. What is the relationship betw
kolezko [41]
  • The angles are supplementary angles
  • The measure of angle m<1 and m<2 are 72 and 108 degrees respectively

Find the diagram attached. From the figure, the sum of the angles m<1 and m<2 are supplementary

Given the following angles

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m<2 = 3x + 9

Since both angles are supplementary, hence;

2x + 6 + 3x + 9 = 180

5x + 15 = 180

5x = 180 - 15

5x = 165

x = 165/5

x = 33

Get the measure of m<1;

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Get the measure of m<2:

m<2 = 180 - m<1

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m<2 = 108degrees

Hence the measure of angle m<1 and m<2 are 72 and 108 degrees respectively

Learn more here: brainly.com/question/22309882

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3 years ago
12 yellow balls and 9 red balls are placed in an urn. Two balls are then drawn in succession without replacement. What is the pr
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Answer:

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