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Nookie1986 [14]
3 years ago
15

An expression that could be used to multiply 6x198 mentally

Mathematics
2 answers:
Veronika [31]3 years ago
6 0
The answer that I got is 1,188 I don't know if it right but that what I got
elena-14-01-66 [18.8K]3 years ago
5 0
I am pretty sure that addiction because if you add 198 6 times it woyuld be the same as multiplyaction
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How do I solve 4/9+9/2 and write my answer as a mixed number?
jenyasd209 [6]

9 has factors of 3*3.

2 is prime, so no factors.

from those two denominators, we can get the LCD of hmmm simply their product, namely 18.

\bf \cfrac{4}{9}+\cfrac{9}{2}\implies \stackrel{\textit{using the LCD of 18}}{\cfrac{(2)4+(9)9}{18}}\implies \cfrac{8+81}{18}\implies \cfrac{89}{18}\implies 4\frac{17}{18}

now, recall that, to get the mixed fraction, we divide 89 ÷ 18, the quotient goes up front, the "4", and the remainder is the one atop, the "17".

8 0
3 years ago
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Zolol [24]

Answer:

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Step-by-step explanation:

Change the mixed numbers to improper fractions

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= \frac{9(3)}{2(3)} - \frac{11(2)}{3(2)} + \frac{5(2)}{3(2)}

= \frac{27}{6} - \frac{22}{6} + \frac{10}{6}

= \frac{5}{6} + \frac{10}{6}

= \frac{15}{6}

= \frac{5}{2}

= 2 \frac{1}{2}

6 0
3 years ago
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abruzzese [7]

Answer:

Step-by-step explanation:

A

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3 years ago
Help please it's math 15 pts!
blsea [12.9K]

Answer:

i believe its d

Step-by-step explanation:

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5 0
3 years ago
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