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Viefleur [7K]
3 years ago
5

If a x b = 2a - 3b + ab, then 3 × 5 + 5 × 3 equals to? a.) 20 b.) 22 c.) 24 d.) 26

Mathematics
2 answers:
tino4ka555 [31]3 years ago
5 0

Answer:

IT B!!

IM SMART AND FAST

vodomira [7]3 years ago
4 0

Answer:

The answer is B.)22

Step-by-step explanation:

3∗5+5∗3

⇒3∗5=2×3−3×5+3×5

=6−15+15

=6

⇒5∗3=2×5−3×3+3×5

=10−9+15

=16

Therefore,3∗5+5∗3

⇒6+16=22

Thus the ans is 22

Hope it helps

Peace out

$_$ #_# %_% ;) :)

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3x + 3(x + y) ? <br><br> Help!
tatuchka [14]

Answer:

=6x+3y

Step-by-step explanation:

3X+3(X+Y)

Distribute:

=3X+(3)(X)+(3)(Y)

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Combine Like Terms:

=3x+3x+3y

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4 0
3 years ago
Find the 10th term if a1=1531 and d=76.
xz_007 [3.2K]

\bf n^{th}\textit{ term of an arithmetic sequence} \\\\ a_n=a_1+(n-1)d\qquad \begin{cases} a_n=n^{th}\ term\\ n=\textit{term position}\\ a_1=\textit{first term}\\ d=\textit{common difference}\\[-0.5em] \hrulefill\\ n= 10\\ a_1=1531\\ d=76 \end{cases} \\\\\\ a_{10}=1531+(10-1)76\implies a_{10}=1531+(9)76\implies a_{10}=1531+684 \\\\[-0.35em] ~\dotfill\\\\ ~\hfill a_{10}=2215~\hfill

5 0
3 years ago
Which of the following inequalities is correct?
____ [38]

Answer:

C is the answer

Step-by-step explanation:

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4 0
3 years ago
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Evaluate (4.0x10^5)(7.0x10^7)
nikdorinn [45]

Answer:

2.8(10^13)

Step-by-step explanation:

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Final answer:  28.0(10^12), or, better yet, 2.8(10^13)

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