2 years ago

Number your answer a and b

Mathematics

1 answer:

Alisiya [41]2 years ago

3 0

A) 24
B) 45
(Hope I could help)

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9 - 10x = 2x + 1 - 8x

Furkat [3]

Answer:

$x=2$

Step-by-step explanation:

$9 - 10x = 2x + 1 - 8x$

$9-10x=-6x+1$

Subtract 9 from both sides:

$9-10x-9=-6x+1-9$

$-10x=-6x-8$

Add 6x to both sides:

$-10x+6x=-6x-8+6x$

$-4x=-8$

Divide both sides by -4:

$\frac{-4x}{-4}=\frac{-8}{-4}$

$x=2$

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The denominator of a rational number is greater than its numerator by 5. If 5 is subtracted from the numerator and 4 is added to

nasty-shy [4]

Answer:

7/12.

Step-by-step explanation:

=x/x+5.

x-5/x+5+4=⅛

x-5/x+9=⅛

x-5=⅛(x+9)

x-5=⅛x+1⅛

x-⅛x=1⅛+5

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7x=49

x=7

thus the initial fraction is x/x+5= 7/12

A rational number is a fraction

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3 years ago

Thirteen equals one plus four s

victus00 [196]

13=1+4s
So you find S
So you take out 1, and subtract 1 from thirteen
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s=3

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What is the mean of the number 48,78,54,68

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Answer:

Step-by-step explanation:

$mean = \frac{48 + 78 + 54 + 68}{4} \\ = \frac{248}{4} \\ = 62$

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Starting at sea level, a submarine descended at a constant rate to a depth of − 4/5 mile relative to sea level in 3 minutes.

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If it were 4 then it would be 1 1/3 for one minute

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