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3 years ago

Equivalent Fractions

Mathematics

1 answer:

Maru [420]3 years ago

6 0

C is the correct answer

3/5 x 2 =6/10

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Based on the diagram below, BC = 12 and m

Mama L [17]

Answer:

Step-by-step explanation:

tan (40) = x/12

x = 12*tan(40)

6 0

3 years ago

I need to solve this equation for my homework, I'm not good with frations and work would be useful 1/4(x-8)=3/4x

Ahat [919]

No problem sir or maam.x=-4

7 0

3 years ago

Read 2 more answers

Convert the fraction 7 24 into a repeating decimal.

goldenfox [79]

$\dfrac7{24}=\dfrac6{24}+\dfrac1{24}=\dfrac14+\dfrac1{24}$

$\dfrac1{24}=\dfrac1{8\time3}=\dfrac a8+\dfrac b3=\dfrac{3a+8b}{24}$
$\implies3a+8b=1$

We can choose $a=-1$ and $b=\dfrac12$ , so that

$\dfrac1{24}=-\dfrac18+\dfrac16$

Recalling that $\dfrac13=0.333\ldots$ , it follows that $\dfrac16=0.166\ldots$ . So,

$\dfrac1{24}=0.125+0.166\ldots=0.04166\ldots$
$\implies\dfrac7{24}=0.25+0.4166\ldots=0.29166\ldots$

6 0

3 years ago

What are the solutions of 8x{2}=6+22x

Olenka [21]

$8x^2=6+22x\ \ \ \ |-22x-6\\\\8x^2-22x-6=0\ \ \ |:2\\\\4x^2-11x-3=0\\\\4x^2-12x+x-3=0\\\\4x(x-3)+1(x-3)=0\\\\(x-3)(4x+1)=0\iff x-3=0\ \vee\ 4x+1=0\\\\x-3=0\ \ \ |+3\\x=3\\\\4x+1=0\ \ \ |-1\\4x=-1\ \ \ |:4\\x=-0.25$

Answer: x = 3 or x = -0.25

3 0

3 years ago

Find the common ratio of the sequence. 3,-9,27,-81

romanna [79]

Answer:

r = - 3

Step-by-step explanation:

To find the common ratio r, divide consecutive terms

- 9 ÷ 3 = - 3

27 ÷ - 9 = - 3

- 81 ÷ 27 = - 3

Thus common ratio = - 3

7 0

3 years ago