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4 years ago

Write. the ratio 4/9÷5/9 in simpil

2 answers:

Nookie1986 [14]4 years ago

6 0

$\frac{\frac{4}{9}}{\frac{5}{9}}=\ \ \ \ | multiply\ first\ fraction\ by\ inverse\ of\ the\ second\\\\
\frac{4}{9}*\frac{9}{5}=\frac{4}{5}\\\\Solution\ is\ \frac{4}{5}.$

barxatty [35]4 years ago

3 0

4/9*9/5 you have to reciprocate the 5/9 since you want to change division to multiplication.
So 36/45 is the answer

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2x+y=3 x-y= 1 solve the equation

svetlana [45]

Answer:

x = 4/3

y = 1/3

Step-by-step explanation:

System of equations! This is set up really well to make the second equation equal x then substitute.

x - y = 1

x = 1 + y

and then our substitution:

2 (1+y) + y = 3

and solve:

2 + 2y + y = 3

3y + 2 = 3

3y = 1

y = 1/3

And now we can substitute that value into one of our equations:

x - (1/3) = 1

x = 4/3

Next we should check by substituting these values into both of our equations:

2 (4/3) + (1/3) = 3

9 / 3 does equal 3 !

(4/3) - (1/3) does equal 1 !

Therefore, x = 4/3 , and y = 1/3

4 0

3 years ago

Read 2 more answers

Find the solution to the system of equations. x+y+z=23 y+z=14 z=9

Ne4ueva [31]

A) x+y+z=23
B) y+z=14
C) z=9
Since z = 9 then
A) x + y = 14
B) y = 5
A) x + y+ z=23
A) x + 5 + 9 = 23
A) x = 9

3 0

3 years ago

Solve for x. x = [?] 4x - 2 3x + 14

Ilya [14]

Answer:

X = 7

Step-by-step explanation:

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6 0

3 years ago

The sum of two positive integers, a and b, is at least 30. The difference of the two integers is at least 10. If b is th

Dafna11 [192]

Answer:

$a + b \geq 30$

$b - a \geq 10$

Step-by-step explanation:

Given

The sum of the two positive integer a and b is at least 30, this means the sum of the two positive integer is 30 or greater than 30, so we write the inequalities as below.

$a + b \geq 30$

The difference of the two integers is at least 10, if b is the greater integer then we subtract integer a from integer b, so we write the inequality as below.

$b - a \geq 10$

Therefore, the following system of inequalities could represent the values of two positive integers a and b.

$a + b \geq 30$

$b - a \geq 10$

6 0

4 years ago

Solve the following equations;- x - 9 /√x + 3 =1

fgiga [73]

Answer:

13 , 6.

Step-by-step explanation:

A equation is given to us and we need to find out the value of x . The given equation to us is ,