Easy! just compare then cross multiply 70:1 × 10:4 because you need to use the negative reciprocal of either one to create division with ratios/fractions
$\frac{70}{1} = \frac{10}{4}$

8 0

3 years ago

How many variables in are the following expression? 8 + b -12c + m

Alex

Answer:

3 variables.

Step-by-step explanation:

b, c, and m are all variables.

6 0

2 years ago

What is the solution of x=2+ sqrt x-2

wariber [46]

Answer:

Step-by-step explanation:

$x=2+\sqrt{x-2} \\\\x-2=\sqrt{x-2} \\\\(x-2)^2=\pm(x-2) \\\\x^2-4x+4=\pm(x-2) \\\\$

$x^2-5x+6=0$ OR $x^2+3x+2=0$

x=2 and 3

Hope this helps!

4 0

2 years ago

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Write three fractions between 3/10 and 9/10​

Write three fractions between 3/10 and 9/10