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NNADVOKAT [17]
2 years ago
15

Which of the following is equivalent to the

Mathematics
2 answers:
Mandarinka [93]2 years ago
6 0
Wheres the expression?
Lady bird [3.3K]2 years ago
5 0

The answer is B Your welcome!!!!

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John find 1/5 of the bar chocolate he bought was already eaten by his brother. He eat 3/4 of what was remaining. Find the portio
larisa86 [58]

Answer:

1/5 is left.

Step-by-step explanation:

Portion remaining after the bar was eaten by his brother = 1 - 1/5 = 4/5.

Portion remaining after John ate 3/4 of this = 4/5 - 3/4* 4/5 = 4/5 - 3/5

=  1/5.

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3 years ago
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2 years ago
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What is a / b (2x - 12) = c / d ; x ?
Alex17521 [72]

we are given

\frac{a}{b} (2x-12)=\frac{c}{d}

we can solve for x

We can isolate x

step-1: Multiply both sides by b/a

\frac{b}{a}*\frac{a}{b} (2x-12)=\frac{b}{a}*\frac{c}{d}

(2x-12)=\frac{bc}{ad}

step-2:Add 12 both sides

(2x-12)+12=\frac{bc}{ad}+12

2x=\frac{bc}{ad}+12

step-3: combine right side

2x=\frac{bc+12ad}{ad}

step-4:Divide both sides by 2

x=\frac{bc+12ad}{2ad}..............Answer

3 0
3 years ago
What is the are of this triangle? ( Look at the photo)
Eva8 [605]

Answer:

9 x 4 = 36 divided by 2 = 18

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2 years ago
What geometric construction is shown below
AnnyKZ [126]

Answer:

doubling the square Apex

Step-by-step explanation:

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3 years ago
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