What are the three ratios equivalent to 8:12

1 answer:

6 0

2/3- divide both numerator and denominator by its common factors which in this case is 4 (following this would get you 2/3)
4/6- divide both numerator and denominator by its common factor which in this case is 2 (following this would get you 4/6)
16/24- multiply both the numerator and denominator by 2

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Seven less than two times a number is 29.

Alexxx [7]

2x-7=29

"Seven less than" => minus 7.
"Two times <u>a number</u>" => 2x (x is the unknown number)
"is twenty-nine" => =29
Putting it all together,

-7 + 2x = 29
or
2x-7=29
(if you were wondering x is equal to 18)

4 0

3 years ago

The chart below shows conversion between gallons and fluid Ounces. Conversion Chart Gallons Fluid Ounces 2 256 3 384 4 512 6 Wha

LenaWriter [7]

Answer:

Step-by-step explanation:

between gallons and Fluid Ounces.because The chart below shows the conversion

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3 years ago

Medical researchers have determined that for exercise to be beneficial, a person’s desirable heart rate, R, in beats per minute,

MA_775_DIABLO [31]

Answer:

40 years old

Step-by-step explanation:

R, in beats per minute, can be approximated by the formulas , where a represents the person's age.

R= 143 - 0.65a for women

R= 165 - 0.75a for men,

7 0

3 years ago

3x+1/5y=7 solve for y

Vladimir79 [104]

Hello!

First, let's write the problem.
$3x+\frac{1}{5}y=7$
Subtract 3x from both sides.
$3x+\frac{1}{5}y-3x=7-3x$
$\frac{1}{5}y=7-3x$
The opposite of division is multiplication, so we are going to multiply in order to undo the fraction.
$5\cdot \frac{1}{5}y=5\cdot \:7-5\cdot \:3x$

Our final answer would be,
$y=35-15x$

Thanks!
-TetraFish

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4 years ago

In a class test, +4 marks were awarded for the correct answers and -1 mark for the wrong answers. Student scores 40 marks. If hi

nikklg [1K]

Step-by-step explanation:

Let <em>y</em> the number of wrong answers got.

$11( + 4) + ( - 1)y = 40 \\ 44 - y = 40 \\ - y = - 4 \\ y = 4$

∴ He got 4 wrong answers.

7 0

3 years ago