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kodGreya [7K]
3 years ago
6

Find the square.. (8m+7)^2

Mathematics
2 answers:
Zepler [3.9K]3 years ago
5 0
The answer is
64m^2 + 112m + 49
julsineya [31]3 years ago
5 0
STEPS :

(8m + 7) ^ 2  
Apply distributing rule : (a + b)^2 = a^2 + 2ab + b^2

= (8m)^2 + 2 ⋅ 8m <span>⋅ 7 + 7^2
</span>   (8m)^2 = 64m^2
   2 ⋅ 8m <span>⋅ 7 = 112m
</span>   7^2 = 49

= 64m^2 + 112m + 49

Hope this helps :)
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Step-by-step explanation:

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3 years ago
If you pay $3.36 in tax, what was the original price at an 8% sales tax
yanalaym [24]

Answer:

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Step-by-step explanation:

<u>Given</u>

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  • 100% = x

<u>Cross multiply and solve for x:</u>

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4 0
3 years ago
Given the functions: f(x) = x^2-9 and g(x) = 3 what is (f/g)(x)? A. x-3 B. x-9 C. x+3 D. x+9
uysha [10]

Answer:

f + g)(x) = f (x) + g(x)

= [3x + 2] + [4 – 5x]

= 3x + 2 + 4 – 5x

= 3x – 5x + 2 + 4

= –2x + 6

(f – g)(x) = f (x) – g(x)

= [3x + 2] – [4 – 5x]

= 3x + 2 – 4 + 5x

= 3x + 5x + 2 – 4

= 8x – 2

(f × g)(x) = [f (x)][g(x)]

= (3x + 2)(4 – 5x)

= 12x + 8 – 15x2 – 10x

= –15x2 + 2x + 8

\left(\small{\dfrac{f}{g}}\right)(x) = \small{\dfrac{f(x)}{g(x)}}(

g

f

)(x)=

g(x)

f(x)

= \small{\dfrac{3x+2}{4-5x}}=

4−5x

3x+2

My answer is the neat listing of each of my results, clearly labelled as to which is which.

( f + g ) (x) = –2x + 6

( f – g ) (x) = 8x – 2

( f × g ) (x) = –15x2 + 2x + 8

\mathbf{\color{purple}{ \left(\small{\dfrac{\mathit{f}}{\mathit{g}}}\right)(\mathit{x}) = \small{\dfrac{3\mathit{x} + 2}{4 - 5\mathit{x}}} }}

3 0
3 years ago
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Sladkaya [172]

Answer:

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Step-by-step explanation:

According to the theorem every peripheral angle in the circle is equal to half value of central angle.

Angle m∠ADB is corresponding peripheral angle of central angle m∠AOB.

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According to this m∠BDC = m∠BOC/2 = 43°

Good luck!!!

7 0
3 years ago
Read 2 more answers
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Drupady [299]

Answer:

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7 0
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