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mario62 [17]
3 years ago
10

Which two expressions are equivalent?

Mathematics
1 answer:
Nady [450]3 years ago
5 0

Step-by-step explanation:

<em>D</em><em>.</em><em> </em>

<em /><em /><em /><em /><em /><em /><em /><em /><em /><em /><em /><em /><em /><em />

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Mr. Hughes gave 5/14
kow [346]

Answer:

His savings were of $4,200.

Step-by-step explanation:

Mr. Hughes gave 5/14 of his savings to his son, 2/3 of the remainder to his daughter, and the rest to his wife:

This means that the son and daughter amount is:

\frac{5}{14} + \frac{2}{3}(\frac{9}{14})

As \frac{9}{14} is the remained that his son did not get. So

\frac{5}{14} + \frac{2}{3}(\frac{9}{14}) = \frac{15}{42} + \frac{18}{42} = \frac{33}{42}

Fraction his wife got:

1 - \frac{33}{42} = \frac{42}{42} - \frac{33}{42} = \frac{9}{42}

If his wife got $900, what were his savings?

Total savings are x, wife got \frac{9}{42} of x. So

\frac{9x}{42} = 900

9x = 900*42

x = \frac{900*42}{9}

x = 100*42

x = 4200

His savings were of $4,200.

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2 years ago
Evaluate C(44,21) use scientific notation, round to 3 decimal places as needed.
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C(44,21)=\dfrac{44!}{21!23!}=\dfrac{24\cdot25\cdot\ldots\cdot43\cdot44}{2\cdot3\cdot\ldots\cdot 20\cdot21}=2,012,616,400,080\\&#10;\approx2.013\cdot10^{12}
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3 years ago
Can anyone help me with the answer to this please?
stiks02 [169]

Answer:

Step-by-step explanation:

To find the inverse function switch variables out and solve for y

If

y=(x+3)/x swap variables to get

(y+3)/y=x then solve for y

y+3=yx

y-yx+3=0

y-yx=-3

y(1-x)=-3

y=-3/(1-x)

y=3/(x-1)

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2 years ago
1.Un número complejo multiplicado por su conjugado da siempre:
algol13
B. 2+5i dis the answer
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3 years ago
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Ordered pair for 3x + 5y = 2 <br><br> 9x + 11y = 14
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Answer:

Step-by-step explanation:

-9x - 15y = -6

9x + 11y = 14

-4y = 8

y = -2

3x - 10 = 2

3x = 12

x = 4

(4, -2)

8 0
3 years ago
Read 2 more answers
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