What is the answer to 2/5*7/9?

Mathematics

2 answers:

AlladinOne [14]3 years ago

4 0

The answer is equal to 2x7 / 5x9 = 14/45

andrezito [222]3 years ago

4 0

2/5 * 7/9 = 14/45
add it as brainy answer if it's right

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A man s five times as old as his son.in three years time,the product of their ages will be 380.

Mademuasel [1]

Answer:

son age: X

man_age= 5X

in 3 years: we have: (man_age+3)(X+3)=380

we can replace the man age by 5X and we get :

(5X+3)(X+3)=380

it is a quadratic equation with 2 solutions. One negative and 7

The solution is thus 7, since age can not be negative.

The son is thus 7 and the dad 5 times more 35

Step-by-step explanation:

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Write an equation of the line that passes through (18,2) and is parallel to the line 3y-x=-12 .

uysha [10]

Answer:

$y = \frac{1}{3}x-4$

Step-by-step explanation:

Step 1: Solve for y in the first equation

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$3y - x + x = -12 + x$

$\frac{3y}{3} = \frac{x}{3} - \frac{12}{3}$

$y = \frac{1}{3}x - 4$

Step 2: Determine the important aspects

We know that our line is parallel to the other line that has a slope of 1/3 which means that our slope is also going to be 1/3. We also know that our line crosses the point (18, 2) which means that we can use the point slope form to determine our equation

Point Slope Form → $(y-y_1) = m(x - x_1)$