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WINSTONCH [101]
3 years ago
9

How do you know that 30 is 1/10 of 300 show your work

Mathematics
2 answers:
jenyasd209 [6]3 years ago
7 0

Answer:

because 3x10=300

Sveta_85 [38]3 years ago
6 0

Answer:

300 x 1/10 = 30 and 30 divided by 1/10 is 300

Step-by-step explanation:

You know 30 is 1/10 of 300 because 300 times 1/10 is 30

300*\frac{1}{10} = \frac{300}{10} =30

^Here you multiply 300 times 1/10, meaning 300/1 times 1/10, and so you multiply the numerator times the numerator and the denominator times the denominator...

Also, if you divide 30 times 1/10 (0.1) it will equal 300.

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4 0
3 years ago
The mathematics department of a college has 6 male professors, 9 female professors, 5 male teaching assistants, and 6 female tea
Hitman42 [59]

Given:

6 male professores

9 female professores

5 male teaching assistants

6 female teaching assistants

Sol:.

N(A\text{ or B)=N(A)+N(B)-N(A and B)}

N (professors)

\begin{gathered} =6+9 \\ =15 \end{gathered}

N(Male)

\begin{gathered} =6+5 \\ =11 \end{gathered}

N(professors and male)

=6

N(professors OR male) = N(professors) + N(males) -N(professor OR male)

\begin{gathered} N(\text{ Professors OR male)=15+11-6} \\ =20 \end{gathered}

N(People to choose from)

\begin{gathered} =6+9+5+6 \\ =26 \end{gathered}

Then probablitiy is:

\begin{gathered} =\frac{20}{26} \\ =\frac{10}{13} \end{gathered}

Then the probability is 10/13

6 0
1 year ago
A store buys an item for $10. To earn a PROFIT of $25, what percent does 13 po
LuckyWell [14K]

Answer:

150%

Step-by-step explanation:

25-10= 15

15/10 = 1.5

1.5 = 150%

6 0
3 years ago
Pls help me on this!
salantis [7]

Answer:

The answer is A

Step-by-step explanation:

You would measure earth's mass is kg and not in g , mg or mcg

5 0
3 years ago
Solve 6x + ( 14x - 5 ) + ( 17 - 3x ) , - ( 2 - x ) -3 ( 6 + 8x ) -12, ( 4x - 9 ) + 8 ( 2x + 3 ) -7x
gregori [183]

Answer:

Step-by-step explanation:

6x + ( 14x - 5 ) + ( 17 - 3x )

= 17x + 12

- ( 2 - x ) -3 ( 6 + 8x ) -12,

= -23x - 32

( 4x - 9 ) + 8 ( 2x + 3 ) -7x

= 13x +15

5 0
3 years ago
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