Question

E) 18/a = 3/4 ж) 2/0,7=4/x з) 3/8=x/1,6

Answer 1

Ответ:

Пошаговое объяснение:

e) 18/a = 3/4

3а=18*4

3а=72

а=72:3

а=24

ж) 2/0,7=4/x

2х=0.7*4

2х=2.8

х=2.8:2

х=1.4

з) 3/8=x/1,6

8х=1.6*3

8х=4.8

х=4.8:8

х=0.6

Answer 2

Ответ:

е)24 ж)1.4 3)0.6

Пошаговое объяснение:

е)18•4=3а ж)2/0.7=4/х з)3/8=х/1.6

72=3а 2х=2.8 8х=4.8

а=24 х=1.4 х=0.6

Answer 3

Let's solve each equation step by step:

E) $\frac{18}{a} = \frac{3}{4}$

To solve for $a$, you can cross-multiply:

$18 \times 4 = 3 \times a$ $72 = 3a$

Divide both sides by 3:

$a = 24$

Ж) $\frac{2}{0.7} = \frac{4}{x}$

To solve for $x$, first, divide 2 by 0.7:

$\frac{2}{0.7} \approx 2.857$

Now, set up the equation:

$2.857 = \frac{4}{x}$

Cross-multiply:

$2.857x = 4$

Divide both sides by 2.857:

$x \approx \frac{4}{2.857} \approx 1.397$

З) $\frac{3}{8} = \frac{x}{1.6}$

Cross-multiply:

$3 \times 1.6 = 8x$

$4.8 = 8x$

Divide by 8:

$x = \frac{4.8}{8}$

$x = 0.6$

So, the solutions are: E) $a = 24$ Ж) $x \approx 1.397$ З) $x = 0.6$